- 20 Apr, 2021 3 commits
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Huang Zhw authored
This scene is hard to happen. When first attempt some keys expired, only kv position is updated not ov. Then socket err happens, second attempt is taken. This time kv items may be mismatching with ov items.
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Madelyn Olson authored
Interior rax pointers were not being freed
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Bonsai authored
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- 19 Apr, 2021 6 commits
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Viktor Söderqvist authored
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Hanna Fadida authored
Adding a new type mask for key space notification, REDISMODULE_NOTIFY_MODULE, to enable unique notifications from commands on REDISMODULE_KEYTYPE_MODULE type keys (which is currently unsupported). Modules can subscribe to a module key keyspace notification by RM_SubscribeToKeyspaceEvents, and clients by notify-keyspace-events of redis.conf or via the CONFIG SET, with the characters 'd' or 'A' (REDISMODULE_NOTIFY_MODULE type mask is part of the '**A**ll' notation for key space notifications). Refactor: move some pubsub test infra from pubsub.tcl to util.tcl to be re-used by other tests.
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guybe7 authored
Before this commit using RM_Call without "!" could cause the master to lazy-expire a key (delete it) but without replicating to replicas. This could cause the replica's memory usage to gradually grow and could also cause consistency issues if the master and replica have a clock diff. This bug was introduced in #8617 Added a test which demonstrates that scenario.
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Harkrishn Patro authored
In the initial release of Redis 6.2 setting a user to only allow pubsub access to a specific channel, and doing ACL SAVE, resulted in an assertion when ACL LOAD was used. This was later changed by #8723 (not yet released), but still not properly resolved (now it errors instead of crash). The problem is that the server that generates an ACL file, doesn't know what would be the setting of the acl-pubsub-default config in the server that will load it. so ACL SAVE needs to always start with resetchannels directive. This should still be compatible with old acl files (from redis 6.0), and ones from earlier versions of 6.2 that didn't mess with channels. Co-authored-by:
Harkrishn Patro <harkrisp@amazon.com> Co-authored-by:
Oran Agra <oran@redislabs.com>
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sundb authored
The tail size of c->reply is 16kb, but in the test only publish a few chars each time, due to a change in #8699, the obuf limit is now checked a new memory allocation is made, so this test would have sometimes failed to trigger a soft limit disconnection in time. The solution is to write bigger payloads to the output buffer, but still limit their rate (not more than 100k/s).
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Wen Hui authored
When replica never successfully connect to master, server.repl_down_since will be initialized to 0, therefore, the info master_link_down_since_seconds was showing the current unix timestamp, which does not make much sense. This commit fixes the issue by showing master_link_down_since_seconds to -1. means the replica never connect to master before. This commit also resets this variable back to 0 when a replica is turned into a master, so that it'll behave the same if the master is later turned into a replica again. The implication of this change is that if some app is checking if the value is > 60 do something, like conclude the replica is stale, this could case harm (changing a big positive number with a small one).
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- 18 Apr, 2021 3 commits
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Yossi Gottlieb authored
Disables #8649 and subsequent attempts to stabilize the test.
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Oran Agra authored
In github actions CI with valgrind, i saw that even the fast replica (one that wasn't paused), didn't get to complete the replication fast enough, and ended up getting disconnected by timeout. Additionally, due to a typo in uname, we didn't get to actually run the CPU efficiency part of the test.
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Oran Agra authored
1. the `dump_logs` option would have printed only logs of servers that were spawn before the test proc started, and not ones that the test proc started inside it. 2. when a server proc catches an exception it should normally forward the exception upwards, specifically when it's an assertion that should be caught by a test proc above. however, in `durable` mode, we caught all exceptions printed them to stdout and let the code continue, this was wrong to do for assertions, which should have still been propagated to the test function. 3. don't bother to search for crash log to print if we printed the the entire log anyway 4. if no crash log was found, no need to print anything (i.e. the fact it wasn't found) 5. rename warnings_from_file to crashlog_from_file
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- 16 Apr, 2021 1 commit
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guybe7 authored
Fixes #8797
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- 15 Apr, 2021 4 commits
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Wen Hui authored
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guybe7 authored
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guybe7 authored
Starting redis 6.0 (part of the TLS feature), diskless master uses pipe from the fork child so that the parent is the one sending data to the replicas. This mechanism has an issue in which a hung replica will cause the master to wait for it to read the data sent to it forever, thus preventing the fork child from terminating and preventing the creations of any other forks. This PR adds a timeout mechanism, much like the ACK-based timeout, we disconnect replicas that aren't reading the RDB file fast enough.
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Bonsai authored
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- 14 Apr, 2021 2 commits
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Bonsai authored
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YaacovHazan authored
replace the hardcoded after 2000, with waiting for the sync and wait for condition
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- 13 Apr, 2021 8 commits
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Viktor Söderqvist authored
* Modules API docs: Link API function names to their definitions Occurrences of API functions are linked to their definition. A function index with links to all functions is added on the bottom of the page. Comment blocks in module.c starting with a markdown h2 heading are used as sections. A table of contents is generated from these headings. The functions names are changed from h2 to h3, since they are now rendered as sub-headings within each section. Existing sections in module.c are used with some minor changes. Some documentation text is added or sligtly modified. The markdown renderer will add IDs which may clash with our generated IDs. By prefixing section IDs with "section-" we make them different. Replace double dashes with a unicode long ndash
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Huang Zhw authored
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Viktor Söderqvist authored
In a code example, using RedisModule_FreeString instead of RedisModule_Free makes it behave correctly regardless of whether automatic memory is used or not.
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Oran Agra authored
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Wen Hui authored
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Oran Agra authored
server.client_pause_end_time is uninitialized, or actually 0, at startup, which means this method would think the timeout was reached and go look for paused clients. This causes no harm since unpauseClients will not find any paused clients.
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Oran Agra authored
The code used to decide on the next time to wake on a timer with microsecond accuracy, but when deciding to go to sleep it used milliseconds accuracy (with truncation), this means that it would wake up too early, see that there's no timer to process, and go to sleep again for 0ms again and again until the right microsecond arrived. i.e. a timer for 100ms, would sleep for 99ms, but then do a busy loop through the kernel in the last millisecond, triggering many calls to beforeSleep. The fix is to change all the logic in ae.c to work with microseconds, which is good since most of the ae backends support micro (or even nano) seconds. however the epoll backend, doesn't support micro, so to avoid this problem it needs to round upwards, rather than truncate. Issue created by the monotonic timer PR #7644 (redis 6.2) Before that, all the timers in ae.c were in milliseconds (using mstime), so when it requested the backend to sleep till the next timer event, it would have worked ok.
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- 12 Apr, 2021 1 commit
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Yossi Gottlieb authored
Disable replica migration to avoid a race condition where the migrated-from node turns into a replica. Long term, this test should probably be improved to handle multiple slots and accept such auto migrations but this is a quick fix to stabilize the CI without completely dropping this test.
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- 11 Apr, 2021 1 commit
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Wang Yuan authored
The bio aof fsync fd may be closed by main thread (AOFRW done handler) and even possibly reused for another socket, pipe, or file. This can can an EBADF or EINVAL fsync error, which will lead to -MISCONF errors failing all writes. We just ignore these errno because aof fsync did not really fail. We handle errno when fsyncing aof in bio, so we could know the real reason when users get -MISCONF Errors writing to the AOF file error Issue created with #8419
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- 10 Apr, 2021 1 commit
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yjph authored
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- 07 Apr, 2021 2 commits
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Wen Hui authored
just a cleanup
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Yang Bodong authored
Fix out of range error messages to be clearer (avoid mentioning 9223372036854775807) * Fix XAUTOCLAIM COUNT option confusing error msg * Fix other RPOP and alike error message to mention positive
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- 06 Apr, 2021 4 commits
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Oran Agra authored
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yjph authored
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Bonsai authored
With this fix, module data type registration will fail if the load or save callbacks are not defined, or the optional aux load and save callbacks are not either both defined or both missing.
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Yossi Gottlieb authored
This is work in progress, focusing on two main areas: * Avoiding race conditions with cluster configuration propagation. * Ignoring limitations with redis-cli --cluster fix which makes it hard to distinguish real errors (e.g. failure to fix) from expected conditions in this test (e.g. nodes not agreeing on configuration).
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- 05 Apr, 2021 2 commits
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Huang Zhw authored
Fix "default" and overwritten / reset users will not have pubsub channels permissions by default. (#8723) Background: Redis 6.2 added ACL control for pubsub channels (#7993), which were supposed to be permissive by default to retain compatibility with redis 6.0 ACL. But due to a bug, only newly created users got this `acl-pubsub-default` applied, while overwritten (updated) users got reset to `resetchannels` (denied). Since the "default" user exists before loading the config file, any ACL change to it, results in an update / overwrite. So when a "default" user is loaded from config file or include ACL file with no channels related rules, the user will not have any permissions to any channels. But other users will have default permissions to any channels. When upgraded from 6.0 with config rewrite, this will lead to "default" user channels permissions lost. When users are loaded from include file, then call "acl load", users will also lost channels permissions. Similarly, the `reset` ACL rule, would have reset the user to be denied access to any channels, ignoring `acl-pubsub-default` and breaking compatibility with redis 6.0. The implication of this fix is that it regains compatibility with redis 6.0, but breaks compatibility with redis 6.2.0 and 2.0.1. e.g. after the upgrade, the default user will regain access to pubsub channels. Other changes: Additionally this commit rename server.acl_pubusub_default to server.acl_pubsub_default and fix typo in acl tests.
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Huang Zhw authored
When DBSIZE failed (e.g. on AUTH error), the printed error didn't reflect the reason.
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- 04 Apr, 2021 1 commit
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Sokolov Yura authored
Previously (and by default after commit) when master loose its last slot (due to migration, for example), its replicas will migrate to new last slot holder. There are cases where this is not desired: * Consolidation that results with removed nodes (including the replica, eventually). * Manually configured cluster topologies, which the admin wishes to preserve. Needlessly migrating a replica triggers a full synchronization and can have a negative impact, so we prefer to be able to avoid it where possible. This commit adds 'cluster-allow-replica-migration' configuration option that is enabled by default to preserve existed behavior. When disabled, replicas will not be auto-migrated. Fixes #4896 Co-authored-by:
Oran Agra <oran@redislabs.com>
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- 01 Apr, 2021 1 commit
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Wang Yuan authored
In `aof.c`, we call fsync when stop aof, and now print a log to let user know that if fail. In `cluster.c`, we now return error, the calling function already handles these write errors. In `redis-cli.c`, users hope to save rdb, we now print a message if fsync failed. In `rio.c`, we now treat fsync errors like we do for write errors. In `server.c`, we try to fsync aof file when shutdown redis, we only can print one log if fail. In `bio.c`, if failing to fsync aof file, we will set `aof_bio_fsync_status` to error , and reject writing just like last writing aof error, moreover also set INFO command field `aof_last_write_status` to error.
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