- 02 Aug, 2023 1 commit
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zhaozhao.zz authored
When doing merge selector, we should check whether the merge has started (i.e., whether open_bracket_start is -1) every time. Otherwise, encountering an illegal selector pattern could succeed and also cause memory leaks, for example: ``` acl setuser test1 (+PING (+SELECT (+DEL ) ``` The above would leak memory and succeed with only DEL being applied, and would now error after the fix. Co-authored-by:
Oran Agra <oran@redislabs.com>
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- 01 Aug, 2023 1 commit
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Diego Lopez Recas authored
Changing the masterauth while turning into a replica is racy. Turn into replica after changing the masterauth instead.
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- 30 Jul, 2023 1 commit
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DarrenJiang13 authored
In the tcl foreach loop, the function should compare line rather than the whole file.
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- 25 Jul, 2023 2 commits
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Harkrishn Patro authored
Additional test coverage for incr/decr operation. integer number could be present in raw encoding format due to operation like append. A incr/decr operation following it optimize the string to int encoding format.
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Harkrishn Patro authored
Add test coverage to validate object encoding update on APPEND command usage on a integer value
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- 20 Jul, 2023 1 commit
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Makdon authored
When the redis server cluster running on cluster-preferred-endpoint-type unknown-endpoint mode, and receive a request that should be redirected to another redis server node, it does not reply the hostip, but a empty host like MOVED 3999 :6381. The redis-cli would try to connect to an address without a host, which cause the issue: ``` 127.0.0.1:7002> set bar bar -> Redirected to slot [5061] located at :7000 Could not connect to Redis at :7000: No address associated with hostname Could not connect to Redis at :7000: No address associated with hostname not connected> exit ``` In this case, the redis-cli should use the previous hostip when there's no host provided by the server. --------- Co-authored-by:
Viktor Söderqvist <viktor.soderqvist@est.tech> Co-authored-by:
Madelyn Olson <madelynolson@gmail.com>
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- 10 Jul, 2023 1 commit
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Oran Agra authored
* Fix integer overflows due to using wrong integer size. * Add assertions / panic when overflow still happens. * Deletion of dead code to avoid need to maintain it * Some changes are not because of bugs, but rather paranoia. * Improve cmsgpack and cjson test coverage. Co-authored-by:
Yossi Gottlieb <yossigo@gmail.com>
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- 06 Jul, 2023 1 commit
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Sankar authored
Process loss of slot ownership in cluster bus When a node no longer owns a slot, it clears the bit corresponding to the slot in the cluster bus messages. The receiving nodes currently don't record the fact that the sender stopped claiming a slot until some other node in the cluster starts claiming the slot. This can cause a slot to go missing during slot migration when subjected to inopportune race with addition of new shards or a failover. This fix forces the receiving nodes to process the loss of ownership to avoid spreading wrong information.
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- 05 Jul, 2023 1 commit
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Binbin authored
The test fails on freebsd CI: ``` *** [err]: stats: eventloop metrics in tests/unit/info.tcl Expected '31777' to be less than '16183' (context: type eval line 17 cmd {assert_lessthan $el_sum2 [expr $el_sum1+10000] } proc ::test) ``` The test added in #11963, fails on freebsd CI which is slow, increase tollerance and also add some verbose logs, now we can see these logs in verbose mode (for better views): ``` eventloop metrics cycle1: 12, cycle2: 15 eventloop metrics el_sum1: 315, el_sum2: 411 eventloop metrics cmd_sum1: 126, cmd_sum2: 137 [ok]: stats: eventloop metrics (111 ms) instantaneous metrics instantaneous_eventloop_cycles_per_sec: 8 instantaneous metrics instantaneous_eventloop_duration_usec: 55 [ok]: stats: instantaneous metrics (1603 ms) [ok]: stats: debug metrics (112 ms) ```
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- 03 Jul, 2023 1 commit
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Lior Lahav authored
When getKeysUsingKeySpecs processes a command with more than one key-spec, and called with a total of more than 256 keys, it'll call getKeysPrepareResult again, but since numkeys isn't updated, getKeysPrepareResult will not bother to copy key names from the old result (leaving these slots uninitialized). Furthermore, it did not consider the keys it already found when allocating more space. Co-authored-by:
Oran Agra <oran@redislabs.com>
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- 02 Jul, 2023 1 commit
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Binbin authored
The negative offset check was added in #9052, we realized that this is a non-mandatory breaking change and we would like to add it only in 8.0. This reverts PR #9052, will be re-introduced later in 8.0.
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- 27 Jun, 2023 1 commit
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judeng authored
Optimized the performance of the SCAN command in a few ways: 1. Move the key filtering (by MATCH pattern) in the scan callback, so as to avoid collecting them for later filtering. 2. Reduce a many memory allocations and copying (use a reference to the original sds, instead of creating an robj, an excessive 2 mallocs and one string duplication) 3. Compare TYPE filter directly (as integers), instead of inefficient string compare per key. 4. fixed a small bug: when scan zset and hash types, maxiterations uses a more accurate number to avoid wrong double maxiterations. Changes **postponed** for a later version (8.0): 1. Prepare to move the TYPE filtering to the scan callback as well. this was put on hold since it has side effects that can be considered a breaking change, which is that we will not attempt to do lazy expire (delete) a key that was filtered by not matching the TYPE (changing it would mean TYPE filter starts behaving the same as MATCH filter already does in that respect). 2. when the specified key TYPE filter is an unknown type, server will reply a error immediately instead of doing a full scan that comes back empty handed. Benchmark result: For different scenarios, we obtained about 30% or more performance improvement. Co-authored-by:
Oran Agra <oran@redislabs.com>
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- 26 Jun, 2023 1 commit
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Chen Tianjie authored
Support TLS service when "tls-cluster" is not enabled and persist both plain and TLS port in nodes.conf (#12233) Originally, when "tls-cluster" is enabled, `port` is set to TLS port. In order to support non-TLS clients, `pport` is used to propagate TCP port across cluster nodes. However when "tls-cluster" is disabled, `port` is set to TCP port, and `pport` is not used, which means the cluster cannot provide TLS service unless "tls-cluster" is on. ``` typedef struct { // ... uint16_t port; /* Latest known clients port (TLS or plain). */ uint16_t pport; /* Latest known clients plaintext port. Only used if the main clients port is for TLS. */ // ... } clusterNode; ``` ``` typedef struct { // ... uint16_t port; /* TCP base port number. */ uint16_t pport; /* Sender TCP plaintext port, if base port is TLS */ // ... } clusterMsg; ``` This PR renames `port` and `pport` in `clusterNode` to `tcp_port` and `tls_port`, to record both ports no matter "tls-cluster" is enabled or disabled. This allows to provide TLS service to clients when "tls-cluster" is disabled: when displaying cluster topology, or giving `MOVED` error, server can provide TLS or TCP port according to client's connection type, no matter what type of connection cluster bus is using. For backwards compatibility, `port` and `pport` in `clusterMsg` are preserved, when "tls-cluster" is enabled, `port` is set to TLS port and `pport` is set to TCP port, when "tls-cluster" is disabled, `port` is set to TCP port and `pport` is set to TLS port (instead of 0). Also, in the nodes.conf file, a new aux field displaying an extra port is added to complete the persisted info. We may have `tls_port=xxxxx` or `tcp_port=xxxxx` in the aux field, to complete the cluster topology, while the other port is stored in the normal `<ip>:<port>` field. The format is shown below. ``` <node-id> <ip>:<tcp_port>@<cport>,<hostname>,shard-id=...,tls-port=6379 myself,master - 0 0 0 connected 0-1000 ``` Or we can switch the position of two ports, both can be correctly resolved. ``` <node-id> <ip>:<tls_port>@<cport>,<hostname>,shard-id=...,tcp-port=6379 myself,master - 0 0 0 connected 0-1000 ```
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- 25 Jun, 2023 1 commit
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Meir Shpilraien (Spielrein) authored
blocking RM_Call was introduced on: #11568, It allows a module to perform blocking commands and get the reply asynchronously.If the command gets block, a special promise CallReply is returned that allow to set the unblock handler. The unblock handler will be called when the command invocation finish and it gets, as input, the command real reply. The issue was that the real CallReply was created using a stack allocated RedisModuleCtx which is no longer available after the unblock handler finishes. So if the module keeps the CallReply after the unblock handler finished, the CallReply holds a pointer to invalid memory and will try to access it when the CallReply will be released. The solution is to create the CallReply with a NULL context to make it totally detached and can be freed freely when the module wants. Test was added to cover this case, running the test with valgrind before the fix shows the use after free error. With the fix, there are no valgrind errors. unrelated: adding a missing `$rd close` in many tests in that file.
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- 22 Jun, 2023 1 commit
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guybe7 authored
Apart from adding the missing coverage, this PR also adds `blockedBeforeSleep` that gathers all block-related functions from `beforeSleep` The order inside `blockedBeforeSleep` is different: now `handleClientsBlockedOnKeys` (which may unblock clients) is called before `processUnblockedClients` (which handles unblocked clients). It makes sense to have this order. There are no visible effects of the wrong ordering, except some cleanups of the now-unblocked client would have happen in the next `beforeSleep` (will now happen in the current one) The reason we even got into it is because i triggers an assertion in logresreq.c (breaking the assumption that `unblockClient` is called **before** actually flushing the reply to the socket): `handleClientsBlockedOnKeys` is called, then it calls `moduleUnblockClientOnKey`, which calls `moduleUnblockClient`, which adds the client to `moduleUnblockedClients` back to `beforeSleep`, we call `handleClientsWithPendingWritesUsingThreads`, it writes the data of buf to the client, so `client->bufpos` became 0 On the next `beforeSleep`, we call `moduleHandleBlockedClients`, which calls `unblockClient`, which calls `reqresAppendResponse`, triggering the assert. (because the `bufpos` is 0) - see https://github.com/redis/redis/pull/12301#discussion_r1226386716
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- 21 Jun, 2023 1 commit
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Madelyn Olson authored
To determine when everything was stable, we couldn't just query the nodename since they aren't API visible by design. Instead, we were using a proxy piece of information which was bumping the epoch and waiting for everyone to observe that. This works for making source Node 0 and Node 1 had pinged, and Node 0 and Node 2 had pinged, but did not guarantee that Node 1 and Node 2 had pinged. Although unlikely, this can cause this failure message. To fix it I hijacked hostnames and used its validation that it has been propagated, since we know that it is stable. I also noticed while stress testing this sometimes the test took almost 4.5 seconds to finish, which is really close to the current 5 second limit of the log check, so I bumped that up as well just to make it a bit more consistent.
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- 20 Jun, 2023 7 commits
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guybe7 authored
Introduced by https://github.com/redis/redis/pull/11923 (Redis 7.2 RC2) It's very weird and counterintuitive that `RM_ReplyWithError` requires the error-code **without** a hyphen while `RM_ReplyWithErrorFormat` requires either the error-code **with** a hyphen or no error-code at all ``` RedisModule_ReplyWithError(ctx, "BLA bla bla"); ``` vs. ``` RedisModule_ReplyWithErrorFormat(ctx, "-BLA %s", "bla bla"); ``` This commit aligns RM_ReplyWithErrorFormat to behvae like RM_ReplyWithError. it's a breaking changes but it's done before 7.2 goes GA.
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Oran Agra authored
When a connection that's subscribe to a channel emits PUBLISH inside MULTI-EXEC, the push notification messes up the EXEC response. e.g. MULTI, PING, PUSH foo bar, PING, EXEC the EXEC's response will contain: PONG, {message foo bar}, 1. and the second PONG will be delivered outside the EXEC's response. Additionally, this PR changes the order of responses in case of a plain PUBLISH (when the current client also subscribed to it), by delivering the push after the command's response instead of before it. This also affects modules calling RM_PublishMessage in a similar way, so that we don't run the risk of getting that push mixed together with the module command's response.
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Binbin authored
Now we will check the offset in zrangeGenericCommand. With a negative offset, we will throw an error and return. This also resolve the issue of zeroing the destination key in case of the "store" variant when we input a negative offset. ``` 127.0.0.1:6379> set key value OK 127.0.0.1:6379> zrangestore key myzset 0 10 byscore limit -1 10 (integer) 0 127.0.0.1:6379> exists key (integer) 0 ``` This change affects the following commands: - ZRANGE / ZRANGESTORE / ZRANGEBYLEX / ZRANGEBYSCORE - ZREVRANGE / ZREVRANGEBYSCORE / ZREVRANGEBYLEX
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Wen Hui authored
For geosearch and georadius we have already test coverage for wrong type, but we dont have for geodist, geohash, geopos commands. So adding the wrong type test cases for geodist, geohash, geopos commands. Existing code, we have verify_geo_edge_response_bymember function for wrong type test cases which has member as an option. But the function is being called in other test cases where the output is not inline with these commnds(geodist, geohash, geopos). So I could not include these commands(geodist, geohash, geopos) as part of existing function, hence implemented a new function verify_geo_edge_response_generic and called from the test case.
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Binbin authored
The parameter name is WITHSCORE instead of WITHSCORES.
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Wen Hui authored
Sanitizer reported memory leak for '--invalid' option or port number is missed cases to redis-server. (#12322) Observed that the sanitizer reported memory leak as clean up is not done before the process termination in negative/following cases: **- when we passed '--invalid' as option to redis-server.** ``` -vm:~/mem-leak-issue/redis$ ./src/redis-server --invalid *** FATAL CONFIG FILE ERROR (Redis 255.255.255) *** Reading the configuration file, at line 2 >>> 'invalid' Bad directive or wrong number of arguments ================================================================= ==865778==ERROR: LeakSanitizer: detected memory leaks Direct leak of 8 byte(s) in 1 object(s) allocated from: #0 0x7f0985f65867 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145 #1 0x558ec86686ec in ztrymalloc_usable_internal /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:117 #2 0x558ec86686ec in ztrymalloc_usable /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:135 #3 0x558ec86686ec in ztryrealloc_usable_internal /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:276 #4 0x558ec86686ec in zrealloc /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:327 #5 0x558ec865dd7e in sdssplitargs /home/ubuntu/mem-leak-issue/redis/src/sds.c:1172 #6 0x558ec87a1be7 in loadServerConfigFromString /home/ubuntu/mem-leak-issue/redis/src/config.c:472 #7 0x558ec87a13b3 in loadServerConfig /home/ubuntu/mem-leak-issue/redis/src/config.c:718 #8 0x558ec85e6f15 in main /home/ubuntu/mem-leak-issue/redis/src/server.c:7258 #9 0x7f09856e5d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 SUMMARY: AddressSanitizer: 8 byte(s) leaked in 1 allocation(s). ``` **- when we pass '--port' as option and missed to add port number to redis-server.** ``` vm:~/mem-leak-issue/redis$ ./src/redis-server --port *** FATAL CONFIG FILE ERROR (Redis 255.255.255) *** Reading the configuration file, at line 2 >>> 'port' wrong number of arguments ================================================================= ==865846==ERROR: LeakSanitizer: detected memory leaks Direct leak of 8 byte(s) in 1 object(s) allocated from: #0 0x7fdcdbb1f867 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145 #1 0x557e8b04f6ec in ztrymalloc_usable_internal /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:117 #2 0x557e8b04f6ec in ztrymalloc_usable /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:135 #3 0x557e8b04f6ec in ztryrealloc_usable_internal /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:276 #4 0x557e8b04f6ec in zrealloc /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:327 #5 0x557e8b044d7e in sdssplitargs /home/ubuntu/mem-leak-issue/redis/src/sds.c:1172 #6 0x557e8b188be7 in loadServerConfigFromString /home/ubuntu/mem-leak-issue/redis/src/config.c:472 #7 0x557e8b1883b3 in loadServerConfig /home/ubuntu/mem-leak-issue/redis/src/config.c:718 #8 0x557e8afcdf15 in main /home/ubuntu/mem-leak-issue/redis/src/server.c:7258 #9 0x7fdcdb29fd8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 Indirect leak of 10 byte(s) in 1 object(s) allocated from: #0 0x7fdcdbb1fc18 in __interceptor_realloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:164 #1 0x557e8b04f9aa in ztryrealloc_usable_internal /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:287 #2 0x557e8b04f9aa in ztryrealloc_usable /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:317 #3 0x557e8b04f9aa in zrealloc_usable /home/ubuntu/mem-leak-issue/redis/src/zmalloc.c:342 #4 0x557e8b033f90 in _sdsMakeRoomFor /home/ubuntu/mem-leak-issue/redis/src/sds.c:271 #5 0x557e8b033f90 in sdsMakeRoomFor /home/ubuntu/mem-leak-issue/redis/src/sds.c:295 #6 0x557e8b033f90 in sdscatlen /home/ubuntu/mem-leak-issue/redis/src/sds.c:486 #7 0x557e8b044e1f in sdssplitargs /home/ubuntu/mem-leak-issue/redis/src/sds.c:1165 #8 0x557e8b188be7 in loadServerConfigFromString /home/ubuntu/mem-leak-issue/redis/src/config.c:472 #9 0x557e8b1883b3 in loadServerConfig /home/ubuntu/mem-leak-issue/redis/src/config.c:718 #10 0x557e8afcdf15 in main /home/ubuntu/mem-leak-issue/redis/src/server.c:7258 #11 0x7fdcdb29fd8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 SUMMARY: AddressSanitizer: 18 byte(s) leaked in 2 allocation(s). ``` As part analysis found that the sdsfreesplitres is not called when this condition checks are being hit. Output after the fix: ``` vm:~/mem-leak-issue/redis$ ./src/redis-server --invalid *** FATAL CONFIG FILE ERROR (Redis 255.255.255) *** Reading the configuration file, at line 2 >>> 'invalid' Bad directive or wrong number of arguments vm:~/mem-leak-issue/redis$ =========================================== vm:~/mem-leak-issue/redis$ ./src/redis-server --jdhg *** FATAL CONFIG FILE ERROR (Redis 255.255.255) *** Reading the configuration file, at line 2 >>> 'jdhg' Bad directive or wrong number of arguments --------------------------------------------------------------------------- vm:~/mem-leak-issue/redis$ ./src/redis-server --port *** FATAL CONFIG FILE ERROR (Redis 255.255.255) *** Reading the configuration file, at line 2 >>> 'port' wrong number of arguments ``` Co-authored-by:
Oran Agra <oran@redislabs.com>
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Shaya Potter authored
Adds API - RedisModule_CommandFilterGetClientId() Includes addition to commandfilter test module to validate that it works by performing the same command from 2 different clients
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- 18 Jun, 2023 1 commit
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Wen Hui authored
This PR adds a human readable name to a node in clusters that are visible as part of error logs. This is useful so that admins and operators of Redis cluster have better visibility into failures without having to cross-reference the generated ID with some logical identifier (such as pod-ID or EC2 instance ID). This is mentioned in #8948. Specific nodenames can be set by using the variable cluster-announce-human-nodename. The nodename is gossiped using the clusterbus extension in #9530. Co-authored-by:
Madelyn Olson <madelyneolson@gmail.com>
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- 16 Jun, 2023 4 commits
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sundb authored
## Issue: When a dict has a long chain or the length of the chain is longer than the number of samples, we will never be able to sample the elements at the end of the chain using dictGetSomeKeys(). This could mean that SRANDMEMBER can be hang in and endless loop. The most severe case, is the pathological case of when someone uses SCAN+DEL or SSCAN+SREM creating an unevenly distributed dict. This was amplified by the recent change in #11692 which prevented a down-sizing rehashing while there is a fork. ## Solution 1. Before, we will stop sampling when we reach the maximum number of samples, even if there is more data after the current chain. Now when we reach the maximum we use the Reservoir Sampling algorithm to fairly sample the end of the chain that cannot be sampled 2. Fix the rehashing code, so that the same as it allows rehashing for up-sizing during fork when the ratio is extreme, it will allow it for down-sizing as well. Issue was introduced (or became more severe) by #11692 Co-authored-by:
Oran Agra <oran@redislabs.com>
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Binbin authored
In SPOP, when COUNT is greater than or equal to set's size, we will remove the set. In dbDelete, we will do DEL or UNLINK according to the lazy flag. This is also required for propagate. In RESTORE, we won't store expired keys into the db, see #7472. When used together with REPLACE, it should emit a DEL or UNLINK according to the lazy flag. This PR also adds tests to cover the propagation. The RESTORE test will also cover #7472.
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YaacovHazan authored
In 4ba47d2d the following tests added in both tracking.tcl and introspection.tcl - Coverage: Basic CLIENT CACHING - Coverage: Basic CLIENT REPLY - Coverage: Basic CLIENT TRACKINGINFO - Coverage: Basic CLIENT GETREDIR
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Binbin authored
* Add command being unblocked cause another command to get unblocked execution order test In #12301, we observed that if the `while(listLength(server.ready_keys) != 0)` in handleClientsBlockedOnKeys is changed to `if(listLength(server.ready_keys) != 0)`, the order of command execution will change. It is wrong to change that. It means that if a command being unblocked causes another command to get unblocked (like a BLMOVE would do), then the new unblocked command will wait for later to get processed rather than right away. It'll not have any real implication if we change that since we do call handleClientsBlockedOnKeys in beforeSleep again, and redis will still behave correctly, but we don't change that. An example: 1. $rd1 blmove src{t} dst{t} left right 0 2. $rd2 blmove dst{t} src{t} right left 0 3. $rd3 set key1{t}, $rd3 lpush src{t}, $rd3 set key2{t} in a pipeline The correct order would be: 1. set key1{t} 2. lpush src{t} 3. lmove src{t} dst{t} left right 4. lmove dst{t} src{t} right left 5. set key2{t} The wrong order would be: 1. set key1{t} 2. lpush src{t} 3. lmove src{t} dst{t} left right 4. set key2{t} 5. lmove dst{t} src{t} right left This PR adds corresponding test to cover it. * Add comment near while(listLength(server.ready_keys) != 0)
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- 15 Jun, 2023 1 commit
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Binbin authored
In PXAT case, there is no need to do the rewriteClientCommandVector, a simply benchmark show we gain a improvement of 10%.
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- 14 Jun, 2023 1 commit
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Wen Hui authored
Looks like the Zadd test case was copied to create Zincrby test case ,but missed to change the command.
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- 13 Jun, 2023 2 commits
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Harkrishn Patro authored
It would be helpful for clients to get cluster slots/shards information during a node failover and is loading data.
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Binbin authored
For the XREADGROUP BLOCK > scenario, there is an endless loop. Due to #11012, it keep going, reprocess command -> blockForKeys -> reprocess command The right fix is to avoid an endless loop in handleClientsBlockedOnKey and handleClientsBlockedOnKeys, looks like there was some attempt in handleClientsBlockedOnKeys but maybe not sufficiently good, and it looks like using a similar trick in handleClientsBlockedOnKey is complicated. i.e. stashing the list on the stack and iterating on it after creating a fresh one for future use, is problematic since the code keeps accessing the global list. Co-authored-by:
Oran Agra <oran@redislabs.com>
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- 12 Jun, 2023 1 commit
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Oran Agra authored
This will increase the size of an already large COB (one already passed the threshold for disconnection) This could also mean that we'll attempt to write that data to the socket and the replica will manage to read it, which will result in an undesired partial sync (undesired for the test)
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- 11 Jun, 2023 3 commits
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YaacovHazan authored
In 7.2, After 971b177f we make sure (assert) that the duration has been recorded when resetting the client. This is not true for rejected commands. The use case I found is a blocking command that an ACL rule changed before it was unblocked, and while reprocessing it, the command rejected and triggered the assert. The PR reset the command duration inside rejectCommand / rejectCommandSds. Co-authored-by:
Oran Agra <oran@redislabs.com>
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Chen Tianjie authored
In #11963, some new tests about eventloop duration were added, which includes time measurement in TCL scripts. This has caused some unexpected CI failures, such as #12169 and #12177, due to slow test servers or some performance jittering.
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Wen Hui authored
Added missing test case coverage for below scenarios: 1. The command only works if all the specified slots are, from the point of view of the node receiving the command, currently not assigned. A node will refuse to take ownership for slots that already belong to some other node (including itself). 2. The command fails if the same slot is specified multiple times.
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- 29 May, 2023 1 commit
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Binbin authored
This test was introduced in #12079, it works well most of the time, but occasionally fails: ``` 00:34:45> SENTINEL SIMULATE-FAILURE crash-after-election works: OK 00:34:45> SENTINEL SIMULATE-FAILURE crash-after-promotion works: FAILED: Sentinel set crash-after-promotion but did not exit ``` Don't know the reason, it may be affected by the exit of the previous crash-after-election test. Because it doesn't really make much sense to go deeper into it now, we re-source init-tests to get a clean environment before each test, to try to fix this. After applying this change, we found a new error: ``` 16:39:33> SENTINEL SIMULATE-FAILURE crash-after-election works: FAILED: caught an error in the test couldn't open socket: connection refused couldn't open socket: connection refused ``` I am guessing the sentinel triggers failover and exits before SENTINEL FAILOVER, added a new || condition in wait_for_condition to fix it.
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- 28 May, 2023 3 commits
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Oran Agra authored
This is a redo of #11594 which got reverted in #11940 It improves performance by avoiding double lookup of the the key.
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Oran Agra authored
So far clients being blocked and unblocked by a module command would update the c->woff variable and so WAIT was ineffective and got released without waiting for the command actions to propagate. This seems to have existed since forever, but not for RM_BlockClientOnKeys. It is problematic though to know if the module did or didn't propagate anything in that command, so for now, instead of adding an API, we'll just update the woff to the latest offset when unblocking, this will cause the client to possibly wait excessively, but that's not that bad.
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Wen Hui authored
XREAD only supports a special ID of $ and XREADGROUP only supports ^. make sure not to suggest the wrong one when rerunning an error about unbalanced ID arguments Co-authored-by:
Oran Agra <oran@redislabs.com>
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