- 15 Oct, 2022 1 commit
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filipe oliveira authored
optimizing d2string() and addReplyDouble() with grisu2: double to string conversion based on Florian Loitsch's Grisu-algorithm (#10587) All commands / use cases that heavily rely on double to a string representation conversion, (e.g. meaning take a double-precision floating-point number like 1.5 and return a string like "1.5" ), could benefit from a performance boost by swapping snprintf(buf,len,"%.17g",value) by the equivalent [fpconv_dtoa](https://github.com/night-shift/fpconv) or any other algorithm that ensures 100% coverage of conversion. This is a well-studied topic and Projects like MongoDB. RedPanda, PyTorch leverage libraries ( fmtlib ) that use the optimized double to string conversion underneath. The positive impact can be substantial. This PR uses the grisu2 approach ( grisu explained on https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf section 5 ). test suite changes: Despite being compatible, in some cases it produces a different result from printf, and some tests had to be adjusted. one case is that `%.17g` (which means %e or %f which ever is shorter), chose to use `5000000000` instead of 5e+9, which sounds like a bug? In other cases, we changed TCL to compare numbers instead of strings to ignore minor rounding issues (`expr 0.8 == 0.79999999999999999`)
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- 06 Oct, 2022 1 commit
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Ozan Tezcan authored
Currently, we add -flto to the compile flags only. We are supposed to add it to the linker flags as well. Clang build fails because of this. Added a change to add -flto to REDIS_CFLAGS and REDIS_LDFLAGS if the build optimization flag is -O3. (noopt build will not use -flto)
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- 02 Oct, 2022 2 commits
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David CARLIER authored
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Maria Markova authored
Optimization update from -O2 to -O3 -flto gives up to 5% performance gain in 'redis-benchmarks-spec-client-runner' tests geomean where GCC 9.4.0 is used for build * Fix for false-positive warning in bitops.c Warning appeared with O3, on CentOS during inlininig procedure * Fixed unitialized streamID within streamTrim() (#1) Co-authored-by:
filipe oliveira <filipecosta.90@gmail.com>
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- 23 Aug, 2022 1 commit
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Oran Agra authored
* Support BUILD_TLS=module to be loaded as a module via config file or command line. e.g. redis-server --loadmodule redis-tls.so * Updates to redismodule.h to allow it to be used side by side with server.h by defining REDISMODULE_CORE_MODULE * Changes to server.h, redismodule.h and module.c to avoid repeated type declarations (gcc 4.8 doesn't like these) * Add a mechanism for non-ABI neutral modules (ones who include server.h) to refuse loading if they detect not being built together with redis (release.c) * Fix wrong signature of RedisModuleDefragFunc, this could break compilation of a module, but not the ABI * Move initialization of listeners in server.c to be after loading the modules * Config TLS after initialization of listeners * Init cluster after initialization of listeners * Add TLS module to CI * Fix a test suite race conditions: Now that the listeners are initialized later, it's not sufficient to wait for the PID message in the log, we need to wait for the "Server Initialized" message. * Fix issues with moduleconfigs test as a result from start_server waiting for "Server Initialized" * Fix issues with modules/infra test as a result of an additional module present Notes about Sentinel: Sentinel can't really rely on the tls module, since it uses hiredis to initiate connections and depends on OpenSSL (won't be able to use any other connection modules for that), so it was decided that when TLS is built as a module, sentinel does not support TLS at all. This means that it keeps using redis_tls_ctx and redis_tls_client_ctx directly. Example code of config in redis-tls.so(may be use in the future): RedisModuleString *tls_cfg = NULL; void tlsInfo(RedisModuleInfoCtx *ctx, int for_crash_report) { UNUSED(for_crash_report); RedisModule_InfoAddSection(ctx, ""); RedisModule_InfoAddFieldLongLong(ctx, "var", 42); } int tlsCommand(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) { if (argc != 2) return RedisModule_WrongArity(ctx); return RedisModule_ReplyWithString(ctx, argv[1]); } RedisModuleString *getStringConfigCommand(const char *name, void *privdata) { REDISMODULE_NOT_USED(name); REDISMODULE_NOT_USED(privdata); return tls_cfg; } int setStringConfigCommand(const char *name, RedisModuleString *new, void *privdata, RedisModuleString **err) { REDISMODULE_NOT_USED(name); REDISMODULE_NOT_USED(err); REDISMODULE_NOT_USED(privdata); if (tls_cfg) RedisModule_FreeString(NULL, tls_cfg); RedisModule_RetainString(NULL, new); tls_cfg = new; return REDISMODULE_OK; } int RedisModule_OnLoad(void *ctx, RedisModuleString **argv, int argc) { .... if (RedisModule_CreateCommand(ctx,"tls",tlsCommand,"",0,0,0) == REDISMODULE_ERR) return REDISMODULE_ERR; if (RedisModule_RegisterStringConfig(ctx, "cfg", "", REDISMODULE_CONFIG_DEFAULT, getStringConfigCommand, setStringConfigCommand, NULL, NULL) == REDISMODULE_ERR) return REDISMODULE_ERR; if (RedisModule_LoadConfigs(ctx) == REDISMODULE_ERR) { if (tls_cfg) { RedisModule_FreeString(ctx, tls_cfg); tls_cfg = NULL; } return REDISMODULE_ERR; } ... } Co-authored-by:
zhenwei pi <pizhenwei@bytedance.com> Signed-off-by:
zhenwei pi <pizhenwei@bytedance.com>
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- 22 Aug, 2022 3 commits
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zhenwei pi authored
Unix socket uses different accept handler/create listener from TCP, to hide these difference to avoid hard code, use a new unix socket connection type. Also move 'acceptUnixHandler' into unix.c. Currently, the connection framework becomes like following: uplayer | connection layer / | \ TCP Unix TLS It's possible to build Unix socket support as a shared library, and load it dynamically. Because TCP and Unix socket don't require any heavy dependencies or overheads, we build them into Redis statically. Signed-off-by:
zhenwei pi <pizhenwei@bytedance.com>
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zhenwei pi authored
Use connTypeRegister() to register a connection type into redis, and query connection by connectionByType() via type. With this change, we can hide TLS specified methods into connection type: - void tlsInit(void); - void tlsCleanup(void); - int tlsConfigure(redisTLSContextConfig *ctx_config); - int isTlsConfigured(void); Merge isTlsConfigured & tlsConfigure, use an argument *reconfigure* to distinguish: tlsConfigure(&server.tls_ctx_config) -> onnTypeConfigure(CONN_TYPE_TLS, &server.tls_ctx_config, 1) isTlsConfigured() && tlsConfigure(&server.tls_ctx_config) -> connTypeConfigure(CONN_TYPE_TLS, &server.tls_ctx_config, 0) Finally, we can remove USE_OPENSSL from config.c. If redis is built without TLS, and still run redis with TLS, then redis reports: # Missing implement of connection type 1 # Failed to configure TLS. Check logs for more info. The log can be optimised, let's leave it in the future. Maybe we can use connection type as a string. Although uninitialized fields of a static struct are zero, we still set them as NULL explicitly in socket.c, let them clear to read & maintain: .init = NULL, .cleanup = NULL, .configure = NULL, Signed-off-by:
zhenwei pi <pizhenwei@bytedance.com>
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zhenwei pi authored
ConnectionType CT_Socket is implemented in connection.c, so rename this file to socket.c. Signed-off-by:
zhenwei pi <pizhenwei@bytedance.com>
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- 18 Jul, 2022 1 commit
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ranshid authored
replace use of: sprintf --> snprintf strcpy/strncpy --> redis_strlcpy strcat/strncat --> redis_strlcat **why are we making this change?** Much of the code uses some unsafe variants or deprecated buffer handling functions. While most cases are probably not presenting any issue on the known path programming errors and unterminated strings might lead to potential buffer overflows which are not covered by tests. **As part of this PR we change** 1. added implementation for redis_strlcpy and redis_strlcat based on the strl implementation: https://linux.die.net/man/3/strl 2. change all occurrences of use of sprintf with use of snprintf 3. change occurrences of use of strcpy/strncpy with redis_strlcpy 4. change occurrences of use of strcat/strncat with redis_strlcat 5. change the behavior of ll2string/ull2string/ld2string so that it will always place null termination ('\0') on the output buffer in the first index. this was done in order to make the use of these functions more safe in cases were the user will not check the output returned by them (for example in rdbRemoveTempFile) 6. we added a compiler directive to issue a deprecation error in case a use of sprintf/strcpy/strcat is found during compilation which will result in error during compile time. However keep in mind that since the deprecation attribute is not supported on all compilers, this is expected to fail during push workflows. **NOTE:** while this is only an initial milestone. We might also consider using the *_s implementation provided by the C11 Extensions (however not yet widly supported). I would also suggest to start looking at static code analyzers to track unsafe use cases. For example LLVM clang checker supports security.insecureAPI.DeprecatedOrUnsafeBufferHandling which can help locate unsafe function usage. https://clang.llvm.org/docs/analyzer/checkers.html#security-insecureapi-deprecatedorunsafebufferhandling-c The main reason not to onboard it at this stage is that the alternative excepted by clang is to use the C11 extensions which are not always supported by stdlib.
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- 22 May, 2022 1 commit
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yoav-steinberg authored
This PR does 2 main things: 1) Add warning for suspected slow system clocksource setting. This is Linux specific. 2) Add a `--check-system` argument to redis which runs all system checks and prints a report. ## System checks Add a command line option `--check-system` which runs all known system checks and provides a report to stdout of which systems checks have failed with details on how to reconfigure the system for optimized redis performance. The `--system-check` mode exists with an appropriate error code after running all the checks. ## Slow clocksource details We check the system's clocksource performance by running `clock_gettime()` in a loop and then checking how much time was spent in a system call (via `getrusage()`). If we spend more than 10% of the time in the kernel then we print a warning. I verified that using the slow clock sources: `acpi_pm` (~90% in the kernel on my laptop) and `xen` (~30% in the kernel on an ec2 `m4.large`) we get this warning. The check runs 5 system ticks so we can detect time spent in kernel at 20% jumps (0%,20%,40%...). Anything more accurate will require the test to run longer. Typically 5 ticks are 50ms. This means running the test on startup will delay startup by 50ms. To avoid this we make sure the test is only executed in the `--check-system` mode. For a quick startup check, we specifically warn if the we see the system is using the `xen` clocksource which we know has bad performance and isn't recommended (at least on ec2). In such a case the user should manually rung redis with `--check-system` to force the slower clocksource test described above. ## Other changes in the PR * All the system checks are now implemented as functions in _syscheck.c_. They are implemented using a standard interface (see details in _syscheck.c_). To do this I moved the checking functions `linuxOvercommitMemoryValue()`, `THPIsEnabled()`, `linuxMadvFreeForkBugCheck()` out of _server.c_ and _latency.c_ and into the new _syscheck.c_. When moving these functions I made sure they don't depend on other functionality provided in _server.c_ and made them use a standard "check functions" interface. Specifically: * I removed all logging out of `linuxMadvFreeForkBugCheck()`. In case there's some unexpected error during the check aborts as before, but without any logging. It returns an error code 0 meaning the check didn't not complete. * All these functions now return 1 on success, -1 on failure, 0 in case the check itself cannot be completed. * The `linuxMadvFreeForkBugCheck()` function now internally calls `exit()` and not `exitFromChild()` because the latter is only available in _server.c_ and I wanted to remove that dependency. This isn't an because we don't need to worry about the child process created by the test doing anything related to the rdb/aof files which is why `exitFromChild()` was created. * This also fixes parsing of other /proc/\<pid\>/stat fields to correctly handle spaces in the process name and be more robust in general. Not that before this fix the rss info in `INFO memory` was corrupt in case of spaces in the process name. To recreate just rename `redis-server` to `redis server`, start it, and run `INFO memory`.
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- 11 May, 2022 1 commit
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Yossi Gottlieb authored
Before this commit, all source files including those that are not going to be compiled were used. Some of these files are platform specific and won't even pre-process on another platform. With GCC/Clang, that's not an issue and they'll simply ignore them, but ICC aborts in this case. This commit only attempts to generate Makefile.dep from the actual set of C source files that will be compiled.
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- 06 Jan, 2022 1 commit
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Viktor Söderqvist authored
With this rule, the script to generate commands.c from JSON runs whenever commands.o is built if any of commands/*.json are modified. Without such rule, it's easy to forget to run the script when updating the JSON files. It's a follow-up on #9656 and #9951.
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- 05 Jan, 2022 1 commit
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filipe oliveira authored
Added INFO LATENCYSTATS section: latency by percentile distribution/latency by cumulative distribution of latencies (#9462) # Short description The Redis extended latency stats track per command latencies and enables: - exporting the per-command percentile distribution via the `INFO LATENCYSTATS` command. **( percentile distribution is not mergeable between cluster nodes ).** - exporting the per-command cumulative latency distributions via the `LATENCY HISTOGRAM` command. Using the cumulative distribution of latencies we can merge several stats from different cluster nodes to calculate aggregate metrics . By default, the extended latency monitoring is enabled since the overhead of keeping track of the command latency is very small. If you don't want to track extended latency metrics, you can easily disable it at runtime using the command: - `CONFIG SET latency-tracking no` By default, the exported latency percentiles are the p50, p99, and p999. You can alter them at runtime using the command: - `CONFIG SET latency-tracking-info-percentiles "0.0 50.0 100.0"` ## Some details: - The total size per histogram should sit around 40 KiB. We only allocate those 40KiB when a command was called for the first time. - With regards to the WRITE overhead As seen below, there is no measurable overhead on the achievable ops/sec or full latency spectrum on the client. Including also the measured redis-benchmark for unstable vs this branch. - We track from 1 nanosecond to 1 second ( everything above 1 second is considered +Inf ) ## `INFO LATENCYSTATS` exposition format - Format: `latency_percentiles_usec_<CMDNAME>:p0=XX,p50....` ## `LATENCY HISTOGRAM [command ...]` exposition format Return a cumulative distribution of latencies in the format of a histogram for the specified command names. The histogram is composed of a map of time buckets: - Each representing a latency range, between 1 nanosecond and roughly 1 second. - Each bucket covers twice the previous bucket's range. - Empty buckets are not printed. - Everything above 1 sec is considered +Inf. - At max there will be log2(1000000000)=30 buckets We reply a map for each command in the format: `<command name> : { `calls`: <total command calls> , `histogram` : { <bucket 1> : latency , < bucket 2> : latency, ... } }` Co-authored-by:
Oran Agra <oran@redislabs.com>
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- 04 Jan, 2022 1 commit
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王辉 authored
Older version of GNU Make (<4.3) required quoting of number signs (#) to avoid them being treated as a comment. Newer versions will treat this quote as a literal. This issue and a proposed solution is discussed here: https://lists.gnu.org/archive/html/info-gnu/2020-01/msg00004.html Co-authored-by:
Yossi Gottlieb <yossigo@gmail.com>
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- 15 Dec, 2021 1 commit
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guybe7 authored
Delete the hardcoded command table and replace it with an auto-generated table, based on a JSON file that describes the commands (each command must have a JSON file). These JSON files are the SSOT of everything there is to know about Redis commands, and it is reflected fully in COMMAND INFO. These JSON files are used to generate commands.c (using a python script), which is then committed to the repo and compiled. The purpose is: * Clients and proxies will be able to get much more info from redis, instead of relying on hard coded logic. * drop the dependency between Redis-user and the commands.json in redis-doc. * delete help.h and have redis-cli learn everything it needs to know just by issuing COMMAND (will be done in a separate PR) * redis.io should stop using commands.json and learn everything from Redis (ultimately one of the release artifacts should be a large JSON, containing all the information about all of the commands, which will be generated from COMMAND's reply) * the byproduct of this is: * module commands will be able to provide that info and possibly be more of a first-class citizens * in theory, one may be able to generate a redis client library for a strictly typed language, by using this info. ### Interface changes #### COMMAND INFO's reply change (and arg-less COMMAND) Before this commit the reply at index 7 contained the key-specs list and reply at index 8 contained the sub-commands list (Both unreleased). Now, reply at index 7 is a map of: - summary - short command description - since - debut version - group - command group - complexity - complexity string - doc-flags - flags used for documentation (e.g. "deprecated") - deprecated-since - if deprecated, from which version? - replaced-by - if deprecated, which command replaced it? - history - a list of (version, what-changed) tuples - hints - a list of strings, meant to provide hints for clients/proxies. see https://github.com/redis/redis/issues/9876 - arguments - an array of arguments. each element is a map, with the possibility of nesting (sub-arguments) - key-specs - an array of keys specs (already in unstable, just changed location) - subcommands - a list of sub-commands (already in unstable, just changed location) - reply-schema - will be added in the future (see https://github.com/redis/redis/issues/9845) more details on these can be found in https://github.com/redis/redis-doc/pull/1697 only the first three fields are mandatory #### API changes (unreleased API obviously) now they take RedisModuleCommand opaque pointer instead of looking up the command by name - RM_CreateSubcommand - RM_AddCommandKeySpec - RM_SetCommandKeySpecBeginSearchIndex - RM_SetCommandKeySpecBeginSearchKeyword - RM_SetCommandKeySpecFindKeysRange - RM_SetCommandKeySpecFindKeysKeynum Currently, we did not add module API to provide additional information about their commands because we couldn't agree on how the API should look like, see https://github.com/redis/redis/issues/9944 . ### Somehow related changes 1. Literals should be in uppercase while placeholder in lowercase. Now all the GEO* command will be documented with M|KM|FT|MI and can take both lowercase and uppercase ### Unrelated changes 1. Bugfix: no_madaory_keys was absent in COMMAND's reply 2. expose CMD_MODULE as "module" via COMMAND 3. have a dedicated uint64 for ACL categories (instead of having them in the same uint64 as command flags) Co-authored-by:
Itamar Haber <itamar@garantiadata.com>
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- 02 Dec, 2021 1 commit
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meir@redislabs.com authored
Redis function unit is located inside functions.c and contains Redis Function implementation: 1. FUNCTION commands: * FUNCTION CREATE * FCALL * FCALL_RO * FUNCTION DELETE * FUNCTION KILL * FUNCTION INFO 2. Register engine In addition, this commit introduce the first engine that uses the Redis Function capabilities, the Lua engine.
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- 01 Dec, 2021 2 commits
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meir@redislabs.com authored
Script unit is a new unit located on script.c. Its purpose is to provides an API for functions (and eval) to interact with Redis. Interaction includes mostly executing commands, but also functionalities like calling Redis back on long scripts or check if the script was killed. The interaction is done using a scriptRunCtx object that need to be created by the user and initialized using scriptPrepareForRun. Detailed list of functionalities expose by the unit: 1. Calling commands (including all the validation checks such as acl, cluster, read only run, ...) 2. Set Resp 3. Set Replication method (AOF/REPLICATION/NONE) 4. Call Redis back to on long running scripts to allow Redis reply to clients and perform script kill The commit introduce the new unit and uses it on eval commands to interact with Redis.
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meir@redislabs.com authored
This commit is only move code around without changing it. The reason behind this is to make review process easier by allowing the reviewer to simply ignore all code movements. changes: 1. rename scripting.c to eval.c 2. introduce and new file, script_lua.c, and move parts of Lua functionality to this new file. script_lua.c will eventually contains the shared code between legacy lua and lua engine. This commit does not compiled on purpose. Its only purpose is to move code and rename files.
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- 11 Nov, 2021 1 commit
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Ozan Tezcan authored
- Added sanitizer support. `address`, `undefined` and `thread` sanitizers are available. - To build Redis with desired sanitizer : `make SANITIZER=undefined` - There were some sanitizer findings, cleaned up codebase - Added tests with address and undefined behavior sanitizers to daily CI. - Added tests with address sanitizer to the per-PR CI (smoke out mem leaks sooner). Basically, there are three types of issues : **1- Unaligned load/store** : Most probably, this issue may cause a crash on a platform that does not support unaligned access. Redis does unaligned access only on supported platforms. **2- Signed integer overflow.** Although, signed overflow issue can be problematic time to time and change how compiler generates code, current findings mostly about signed shift or simple addition overflow. For most platforms Redis can be compiled for, this wouldn't cause any issue as far as I can tell (checked generated code on godbolt.org). **3 -Minor leak** (redis-cli), **use-after-free**(just before calling exit()); UB means nothing guaranteed and risky to reason about program behavior but I don't think any of the fixes here worth backporting. As sanitizers are now part of the CI, preventing new issues will be the real benefit.
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- 30 Sep, 2021 1 commit
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Yunier Pérez authored
While the original issue was on Linux, this should work for other platforms as well.
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- 09 Sep, 2021 1 commit
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yancz2000 authored
Add make test-cluster option
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- 08 Aug, 2021 1 commit
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Yossi Gottlieb authored
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- 04 Aug, 2021 1 commit
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Meir Shpilraien (Spielrein) authored
## Current state 1. Lua has its own parser that handles parsing `reds.call` replies and translates them to Lua objects that can be used by the user Lua code. The parser partially handles resp3 (missing big number, verbatim, attribute, ...) 2. Modules have their own parser that handles parsing `RM_Call` replies and translates them to RedisModuleCallReply objects. The parser does not support resp3. In addition, in the future, we want to add Redis Function (#8693) that will probably support more languages. At some point maintaining so many parsers will stop scaling (bug fixes and protocol changes will need to be applied on all of them). We will probably end up with different parsers that support different parts of the resp protocol (like we already have today with Lua and modules) ## PR Changes This PR attempt to unified the reply parsing of Lua and modules (and in the future Redis Function) by introducing a new parser unit (`resp_parser.c`). The new parser handles parsing the reply and calls different callbacks to allow the users (another unit that uses the parser, i.e, Lua, modules, or Redis Function) to analyze the reply. ### Lua API Additions The code that handles reply parsing on `scripting.c` was removed. Instead, it uses the resp_parser to parse and create a Lua object out of the reply. As mentioned above the Lua parser did not handle parsing big numbers, verbatim, and attribute. The new parser can handle those and so Lua also gets it for free. Those are translated to Lua objects in the following way: 1. Big Number - Lua table `{'big_number':'<str representation for big number>'}` 2. Verbatim - Lua table `{'verbatim_string':{'format':'<verbatim format>', 'string':'<verbatim string value>'}}` 3. Attribute - currently ignored and not expose to the Lua parser, another issue will be open to decide how to expose it. Tests were added to check resp3 reply parsing on Lua ### Modules API Additions The reply parsing code on `module.c` was also removed and the new resp_parser is used instead. In addition, the RedisModuleCallReply was also extracted to a separate unit located on `call_reply.c` (in the future, this unit will also be used by Redis Function). A nice side effect of unified parsing is that modules now also support resp3. Resp3 can be enabled by giving `3` as a parameter to the fmt argument of `RM_Call`. It is also possible to give `0`, which will indicate an auto mode. i.e, Redis will automatically chose the reply protocol base on the current client set on the RedisModuleCtx (this mode will mostly be used when the module want to pass the reply to the client as is). In addition, the following RedisModuleAPI were added to allow analyzing resp3 replies: * New RedisModuleCallReply types: * `REDISMODULE_REPLY_MAP` * `REDISMODULE_REPLY_SET` * `REDISMODULE_REPLY_BOOL` * `REDISMODULE_REPLY_DOUBLE` * `REDISMODULE_REPLY_BIG_NUMBER` * `REDISMODULE_REPLY_VERBATIM_STRING` * `REDISMODULE_REPLY_ATTRIBUTE` * New RedisModuleAPI: * `RedisModule_CallReplyDouble` - getting double value from resp3 double reply * `RedisModule_CallReplyBool` - getting boolean value from resp3 boolean reply * `RedisModule_CallReplyBigNumber` - getting big number value from resp3 big number reply * `RedisModule_CallReplyVerbatim` - getting format and value from resp3 verbatim reply * `RedisModule_CallReplySetElement` - getting element from resp3 set reply * `RedisModule_CallReplyMapElement` - getting key and value from resp3 map reply * `RedisModule_CallReplyAttribute` - getting a reply attribute * `RedisModule_CallReplyAttributeElement` - getting key and value from resp3 attribute reply * New context flags: * `REDISMODULE_CTX_FLAGS_RESP3` - indicate that the client is using resp3 Tests were added to check the new RedisModuleAPI ### Modules API Changes * RM_ReplyWithCallReply might return REDISMODULE_ERR if the given CallReply is in resp3 but the client expects resp2. This is not a breaking change because in order to get a resp3 CallReply one needs to specifically specify `3` as a parameter to the fmt argument of `RM_Call` (as mentioned above). Tests were added to check this change ### More small Additions * Added `debug set-disable-deny-scripts` that allows to turn on and off the commands no-script flag protection. This is used by the Lua resp3 tests so it will be possible to run `debug protocol` and check the resp3 parsing code. Co-authored-by:
Oran Agra <oran@redislabs.com> Co-authored-by:
Yossi Gottlieb <yossigo@gmail.com>
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- 22 Jun, 2021 1 commit
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Evan authored
Previously, passing 0 for newlen would not truncate the string at all. This adds handling of this case, freeing the old string and creating a new empty string. Other changes: - Move `src/modules/testmodule.c` to `tests/modules/basics.c` - Introduce that basic test into the test suite - Add tests to cover StringTruncate - Add `test-modules` build target for the main makefile - Extend `distclean` build target to clean modules too
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- 16 Jun, 2021 1 commit
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yoav-steinberg authored
Gopher support was added mainly because it was simple (trivial to add). But apparently even something that was trivial at the time, does cause complications down the line when adding more features. We recently ran into a few issues with io-threads conflicting with the gopher support. We had to either complicate the code further in order to solve them, or drop gopher. AFAIK it's completely unused, so we wanna chuck it, rather than keep supporting it.
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- 26 Apr, 2021 2 commits
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Yossi Gottlieb authored
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Andy Pan authored
Most of the ae.c backends didn't explicitly handle errors, and instead ignored all errors and did an implicit retry. This is desired for EAGAIN and EINTER, but in case of other systematic errors, we prefer to fail and log the error we got rather than get into a busy loop.
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- 10 Apr, 2021 1 commit
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yjph authored
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- 10 Mar, 2021 1 commit
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sundb authored
1. Add `redis-server test all` support to run all tests. 2. Add redis test to daily ci. 3. Add `--accurate` option to run slow tests for more iterations (so that by default we run less cycles (shorter time, and less prints). 4. Move dict benchmark to REDIS_TEST. 5. fix some leaks in tests 6. make quicklist tests run on a specific fill set of options rather than huge ranges 7. move some prints in quicklist test outside their loops to reduce prints 8. removing sds.h from dict.c since it is now used in both redis-server and redis-cli (uses hiredis sds)
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- 24 Feb, 2021 1 commit
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Yossi Gottlieb authored
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- 23 Dec, 2020 2 commits
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Greg Femec authored
When a database on a 64 bit build grows past 2^31 keys, the underlying hash table expands to 2^32 buckets. After this point, the algorithms for selecting random elements only return elements from half of the available buckets because they use random() which has a range of 0 to 2^31 - 1. This causes problems for eviction policies which use dictGetSomeKeys or dictGetRandomKey. Over time they cause the hash table to become unbalanced because, while new keys are spread out evenly across all buckets, evictions come from only half of the available buckets. Eventually this half of the table starts to run out of keys and it takes longer and longer to find candidates for eviction. This continues until no more evictions can happen. This solution addresses this by using a 64 bit PRNG instead of libc random(). Co-authored-by:
Greg Femec <gfemec@google.com>
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Felix Bünemann authored
Homebrew for darwin-arm64 uses /opt/homebrew instead of /usr/local as the prefix, so that it can coexist with darwin-x86_64 using Rosetta 2.
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- 17 Dec, 2020 1 commit
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Nick Revin authored
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- 13 Dec, 2020 1 commit
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Yossi Gottlieb authored
* Allow runtest-moduleapi use a different 'make', for systems where GNU Make is 'gmake'. * Fix issue with builds on Solaris re-building everything from scratch due to CFLAGS/LDFLAGS not stored. * Fix compile failure on Solaris due to atomicvar and a bunch of warnings. * Fix garbled log timestamps on Solaris.
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- 22 Nov, 2020 1 commit
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Yossi Gottlieb authored
When USE_SYSTEMD=yes is specified, try to use pkg-config to determine libsystemd linker flags. If not found, silently fall back to simply using "-lsystemd". We now use a LIBSYSTEMD_LIBS variable so users can explicitly override it and specify their own library. If USE_SYSTEMD is unspecified the old behavior of auto-enabling it if both pkg-config and libsystemd are available is retained.
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- 28 Oct, 2020 1 commit
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filipe oliveira authored
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- 26 Oct, 2020 1 commit
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filipe oliveira authored
- add test suite coverage for redis-benchmark - add --version (similar to what redis-cli has) - fix bug sending more requests than intended when pipeline > 1. - when done sending requests, avoid freeing client in the write handler, in theory before responses are received (probably dead code since the read handler will call clientDone first) Co-authored-by:
Oran Agra <oran@redislabs.com>
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- 01 Oct, 2020 1 commit
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Rafi Einstein authored
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- 29 Sep, 2020 1 commit
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David CARLIER authored
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- 28 Sep, 2020 1 commit
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WuYunlong authored
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