- 27 Nov, 2023 1 commit
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Binbin authored
When we register notification or server event in RedisModule_OnLoad, but RedisModule_OnLoad eventually fails, triggering notification or server event will cause the server to crash. If the loading fails on a later stage of moduleLoad, we do call moduleUnload which handles all un-registration, but when it fails on the RedisModule_OnLoad call, we only un-register several specific things and these were missing: - moduleUnsubscribeNotifications - moduleUnregisterFilters - moduleUnsubscribeAllServerEvents Refactored the code to reuse the code from moduleUnload. Fixes #12808.
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- 30 Nov, 2022 1 commit
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Huang Zhw authored
Add a new module event `RedisModule_Event_Key`, this event is fired when a key is removed from the keyspace. The event includes an open key that can be used for reading the key before it is removed. Modules can also extract the key-name, and use RM_Open or RM_Call to access key from within that event, but shouldn't modify anything from within this event. The following sub events are available: - `REDISMODULE_SUBEVENT_KEY_DELETED` - `REDISMODULE_SUBEVENT_KEY_EXPIRED` - `REDISMODULE_SUBEVENT_KEY_EVICTED` - `REDISMODULE_SUBEVENT_KEY_OVERWRITE` The data pointer can be casted to a RedisModuleKeyInfo structure with the following fields: ``` RedisModuleKey *key; // Opened Key ``` ### internals * We also add two dict functions: `dictTwoPhaseUnlinkFind` finds an element from the table, also get the plink of the entry. The entry is returned if the element is found. The user should later call `dictTwoPhaseUnlinkFree` with it in order to unlink and release it. Otherwise if the key is not found, NULL is returned. These two functions should be used in pair. `dictTwoPhaseUnlinkFind` pauses rehash and `dictTwoPhaseUnlinkFree` resumes rehash. * We change `dbOverwrite` to `dbReplaceValue` which just replaces the value of the key and doesn't fire any events. The "overwrite" part (which emits events) is just when called from `setKey`, the other places that called dbOverwrite were ones that just update the value in-place (INCR*, SPOP, and dbUnshareStringValue). This should not have any real impact since `moduleNotifyKeyUnlink` and `signalDeletedKeyAsReady` wouldn't have mattered in these cases anyway (i.e. module keys and stream keys didn't have direct calls to dbOverwrite) * since we allow doing RM_OpenKey from withing these callbacks, we temporarily disable lazy expiry. * We also temporarily disable lazy expiry when we are in unlink/unlink2 callback and keyspace notification callback. * Move special definitions to the top of redismodule.h This is needed to resolve compilation errors with RedisModuleKeyInfoV1 that carries a RedisModuleKey member. Co-authored-by:
Oran Agra <oran@redislabs.com>
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- 07 Mar, 2022 1 commit
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Shaya Potter authored
Add a new REDISMODULE_EVENT_CONFIG event type for notifying modules when Redis configuration changes.
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- 13 Jan, 2022 1 commit
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chenyang8094 authored
Force create a BASE file (use a foreground `rewriteAppendOnlyFile`) when redis starts from an empty data set and `appendonly` is yes. The reasoning is that normally, after redis is running for some time, and the AOF has gone though a few rewrites, there's always a base rdb file. and the scenario where the base file is missing, is kinda rare (happens only at empty startup), so this change normalizes it. But more importantly, there are or could be some complex modules that are started with some configuration, when they create persistence they write that configuration to RDB AUX fields, so that can can always know with which configuration the persistence file they're loading was created (could be critical). there is (was) one scenario in which they could load their persisted data, and that configuration was missing, and this change fixes it. Add a new module event: REDISMODULE_SUBEVENT_PERSISTENCE_SYNC_AOF_START, similar to REDISMODULE_SUBEVENT_PERSISTENCE_AOF_START which is async. Co-authored-by:
Oran Agra <oran@redislabs.com>
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- 11 Oct, 2020 1 commit
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Meir Shpilraien (Spielrein) authored
* Introduce a new API's: RM_GetContextFlagsAll, and RM_GetKeyspaceNotificationFlagsAll that will return the full flags mask of each feature. The module writer can check base on this value if the Flags he needs are supported or not. * For each flag, introduce a new value on redismodule.h, this value represents the LAST value and should be there as a reminder to update it when a new value is added, also it will be used in the code to calculate the full flags mask (assuming flags are incrementally increasing). In addition, stated that the module writer should not use the LAST flag directly and he should use the GetFlagAll API's. * Introduce a new API: RM_IsSubEventSupported, that returns for a given event and subevent, whether or not the subevent supported. * Introduce a new macro RMAPI_FUNC_SUPPORTED(func) that returns whether or not a function API is supported by comparing it to NULL. * Introduce a new API: int RM_GetServerVersion();, that will return the current Redis version in the format 0x00MMmmpp; e.g. 0x00060008; * Changed unstable version from 999.999.999 to 255.255.255 Co-authored-by:
Oran Agra <oran@redislabs.com> Co-authored-by:
Yossi Gottlieb <yossigo@gmail.com>
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- 20 Sep, 2020 1 commit
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Wen Hui authored
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- 29 Oct, 2019 1 commit
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Oran Agra authored
* replication hooks: role change, master link status, replica online/offline * persistence hooks: saving, loading, loading progress * misc hooks: cron loop, shutdown, module loaded/unloaded * change the way hooks test work, and add tests for all of the above startLoading() now gets flag indicating what is loaded. stopLoading() now gets an indication of success or failure. adding startSaving() and stopSaving() with similar args and role.
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- 24 Oct, 2019 1 commit
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antirez authored
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- 23 Oct, 2019 5 commits
- 26 Sep, 2018 2 commits
- 12 Apr, 2018 1 commit
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antirez authored
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- 31 Mar, 2018 1 commit
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antirez authored
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- 04 Aug, 2016 1 commit
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Guo Xiao authored
Fix warning: ISO C does not support '__FUNCTION__' predefined identifier [-Wpedantic]
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- 27 Jul, 2016 1 commit
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antirez authored
By grepping the continuous integration errors log a number of GEORADIUS tests failures were detected. Fortunately when a GEORADIUS failure happens, the test suite logs enough information in order to reproduce the problem: the PRNG seed, coordinates and radius of the query. By reproducing the issues, three different bugs were discovered and fixed in this commit. This commit also improves the already good reporting of the fuzzer and adds the failure vectors as regression tests. The issues found: 1. We need larger squares around the poles in order to cover the area requested by the user. There were already checks in order to use a smaller step (larger squares) but the limit set (+/- 67 degrees) is not enough in certain edge cases, so 66 is used now. 2. Even near the equator, when the search area center is very near the edge of the square, the north, south, west or ovest square may not be able to fully cover the specified radius. Now a test is performed at the edge of the initial guessed search area, and larger squares are used in case the test fails. 3. Because of rounding errors between Redis and Tcl, sometimes the test signaled false positives. This is now addressed. Whenever possible the original code was improved a bit in other ways. A debugging example stanza was added in order to make the next debugging session simpler when the next bug is found.
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- 26 Jul, 2015 1 commit
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antirez authored
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- 19 Aug, 2013 2 commits
- 19 Feb, 2012 1 commit
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antirez authored
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- 05 May, 2011 1 commit
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Pieter Noordhuis authored
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- 23 Dec, 2010 1 commit
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Pieter Noordhuis authored
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- 16 Dec, 2010 1 commit
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Pieter Noordhuis authored
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- 03 Nov, 2010 1 commit
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Pieter Noordhuis authored
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- 02 Nov, 2010 1 commit
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antirez authored
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- 02 Sep, 2010 1 commit
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antirez authored
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- 24 Jul, 2010 1 commit
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Benjamin Kramer authored
calloc is more effecient than malloc+memset when the system uses mmap to allocate memory. mmap always returns zeroed memory so the memset can be avoided. The threshold to use mmap is 16k in osx libc and 128k in bsd libc and glibc. The kernel can lazily allocate the pages, this reduces memory usage when we have a page table or hash table that is mostly empty. This change is most visible when you start a new redis instance with vm enabled. You'll see no increased memory usage no matter how big your page table is.
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- 01 Jul, 2010 1 commit
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antirez authored
networking related stuff moved into networking.c moved more code more work on layout of source code SDS instantaneuos memory saving. By Pieter and Salvatore at VMware ;) cleanly compiling again after the first split, now splitting it in more C files moving more things around... work in progress split replication code splitting more Sets split Hash split replication split even more splitting more splitting minor change
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- 19 Feb, 2010 1 commit
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antirez authored
A problem with replication with multiple slaves connectiong to a single master fixed. It was due to a typo, and reported on github by the user micmac. Also the copyright year fixed from many files.
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- 15 Jan, 2010 1 commit
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antirez authored
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- 23 Mar, 2009 1 commit
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antirez authored
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- 22 Mar, 2009 1 commit
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antirez authored
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