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SWAP-RELEASENOTES
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SWAP-RELEASENOTES
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================================================================================
ror-2.0.2 Released Wed Dec 18 00:00:00 CST 2024
================================================================================
* [fix] add ttl compact metrics && modify sst-age-limit initial value
* [fix] CI asan check
* [fix] help info
* [fix] fix ttl compact after flushdb
================================================================================
ror-2.0.1 Released Wed Oct 23 00:00:00 CST 2024
================================================================================
* [feat] support ttl compact.
================================================================================
ror-2.0.0 Released Fri Oct 11 00:00:00 CST 2024
================================================================================
* [fix] support xsync.
================================================================================
ror-1.4.2 Released Wed Sept 24 00:00:00 CST 2024
================================================================================
* [fix] assert failed when execute GET on expired bitmap key
================================================================================
ror-1.4.1 Released Tue July 16 00:00:00 CST 2024
================================================================================
* [new] bitmap supports turn on/off by swap-bitmap-subkeys-enabled.
* [fix] bitmap self-describing subkey_size.
* [opt] bitmap supports memory usage.
* [opt] list crash due to var_arg type not match.
* [fix] ratelimit not effective.
================================================================================
ror-1.4.0 Released Fri June 7 00:00:00 CST 2024
================================================================================
* [new] support bitmap.
* [opt] reduce latency spike when UNLINK/DEL large value by free big object async.
* [new] expose rdb size and last rdb save time in info.
================================================================================
ror-1.3.2 Released Thu Apr 11 00:00:00 CST 2024
================================================================================
* [fix] crash when assigning scan session if all scan session binded.
* [fix] swap blocked list chain missing key when multiple client blocked on single key.
* [fix] memory leak when mock string for unlinking
================================================================================
ror-1.3.1 Released Thu Mar 11 00:00:00 CST 2024
================================================================================
* [fix] fix crash caused by ltrim command(key request not correctly parsed).
* [opt] del/unlink big string will not swap in whole string and cuase latency spike
================================================================================
ror-1.3.0 Released Fri Feb 23 00:00:00 CST 2024
================================================================================
* [new] introduce rordb(a new rdb file format that store cold keys as SST file)
to speedup fullresync.
* [opt] reduce fullresync possibility: dont discard dispatched but not executed
command of slave client, so that if another replica psync with larger
offset wont result in full resync.
* [opt] slowdown expire rate so that ror expire will not cause significant
latency spike.
* [opt] memory usage swaps in only a subset of subkeys of hash/list/set/zset.
================================================================================
ror-1.2.4 Released Thu Nov 23 00:00:00 CST 2023
================================================================================
* [new] support blob db (to reduce write amplification for big key)
* [opt] reduce flush stall by increasing rocksdb.max_write_buffer_number
================================================================================
ror-1.2.3 Released Wed Sep 13 00:00:00 CST 2023
================================================================================
* [fix] code crash when executing zremrangebyscore command
================================================================================
ror-1.2.2 Released Mon Sep 4 00:00:00 CST 2023
================================================================================
* [fix] rocksdb data leak because object.persistent not set after persist keep,
which will leak when expired.
* [fix] swap_version not correctly resumed after load fix.
* [fix] code crash when client rate limit.
================================================================================
ror-1.2.1 Released Wed Jul 6 00:00:00 CST 2023
================================================================================
* [opt] suggest compaction: deletion_ratio change from 0.5 to 0.95; introduce
silding_window_size & num_dels_trigger to reduce false positive.
* [opt] flush memtable when there are too much tombstones.
* [opt] make cf options dynamic change as possible.
* [fix] persist: dont persist redundent(may be delete previously) dirty subkeys.
* [fix] persist: set swap version to biggest scanned version from persist fix.
================================================================================
ror-1.2.0 Released Wed Jul 6 00:00:00 CST 2023
================================================================================
* [new] support persist, data could recovered across restarts if persist enabled
================================================================================
ror-1.1.2 Released Wed Jun 7 00:00:00 CST 2023
================================================================================
* [fix] backport #9311 #11242 to fix quicklist bug encountered when swap list.
* [fix] ratelimit will be diabled when maxmemory set manually.
================================================================================
ror-1.1.1 Released Wed May 31 00:00:00 CST 2023
================================================================================
* [opt] refactor ratelimit: ratelimit reason changed from inprogress memory to used_memory.
* [opt] refactor eviction: eviction supports both disk and memory mode.
* [opt] fix: memory command return wrong type error.
================================================================================
ror-1.1.0 Released Wed May 10 16:37:14 CST 2023
================================================================================
* [opt] batch swap request to reduce main thread and swap thread cpu usage.
* [opt] add cuckoo filter to avoid (almost) IO if key not found.
* [opt] disable compaction filter to speed up rdb load.
* [new] info add main thread, swap thread cpu usage fields.
* [fix] evalsha not swap_in_del, master dbsize may less than slave.
* [fix] debug reload/debug digest do not wait for in-flight swap to finish,
rdb might saved inconsistent.
* [opt] opt rpop/evict big list performance by choosing reasonable iter direction.
* [fix] zset might convert to skiplist if master slave use different zset config.
* [opt] cache hot absent subkey to avoid IO when accessing absent subkeys.
* [new] optionally fix metalen mismatch when bgsave.
* [new] gradually evict to avoid from causing latency spike if maxmemory set
to lower value manually.
* [fix] zrangebyscore command on hash structure cause crash (command type not
not match data type).
================================================================================
ror-1.0.6 Released Wed Mar 15 16:37:14 CST 2023
================================================================================
* [opt] cache hot absent keys to avoid IO when accessing absent keys.
* [opt] ignore accept event when reached maxclients.
* [new] add seperate monitor port so that metrics can be collected when reached
max connection.
* [new] add average and max lock wait time metric.
================================================================================
ror-1.0.6 Released Wed Mar 15 16:37:14 CST 2023
================================================================================
* [fix] fix rocksdb-data overwrite hash-data in memory.
* [opt] use specific swap-thread for exspiescan avoid long scan slowing down query.
* [opt] optimize unnecessary rio for hot data
* [opt] async swap in dest key for cmd brpoplpush|blmove, optimize delay for cmd
pushing blocked key.
* [opt] auto roll rocksdb log, avoid rocksdb log piling up.
* [fix] fix swap statistic data mismatch.
* [opt] optimize info Rocksdb output.
================================================================================
ror-1.0.5 Released Mon Feb 13 13:40:48 CST 2023
================================================================================
* [opt] use skiplist to store gtid set, so complexity to test gtid set contains
gno is now Olog(n).
* [new] limit gtid gap maxmemory, so that gtid gap consumed memory is bounded.
* [opt] scan command now supports scan with connection pool.
* [opt] add periodic compact/suggest compact/dynamic level bytes to optimize disk
usage.
================================================================================
ror-1.0.4 Released Fri Jan 13 16:35:48 CST 2023
================================================================================
* [fix] txid overflow int.
* [fix] github ci fail cases.
* [opt] log config update to help troubleshoot ror maxmemory update issue.
* [opt] flush output buffer before disconnect slaves, so it will be more likely
to psync when failover.
* [opt] refactor: rocks_scan, rocks_iterate, rocks_range.
* [opt] refactor: remove SWAP_EXEC_OUT_META flag.
* [opt] refactor: split encodeKeys into encodeKeys and encodeRange.
================================================================================
ror-1.0.3 Released Wen Dec 14 15:35:48 CST 2022
================================================================================
* [fix] zset bylex changed to swap in_delete.
* [fix] zincrby swap in_delete.
* [opt] async create checkpoint for bgsave.
* [new] separate rocksdb parameter for data(score) and meta column family.
================================================================================
ror-1.0.2 Released Tue Nov 29 17:05:48 CST 2022
================================================================================
* [fix] eval/evalsha intention flags changed to INTENTION_IN_DEL.
* [opt] gtid re-orgnized as a submodule
* [opt] lock refactor: don't promote lock level.
================================================================================
ror-1.0.1 Released Mon Nov 14 10:59:48 CST 2022
================================================================================
* [feature] swap now supports multi-db.
* [feature] add swap hit rate stats to info (with swap_swapin_ prefix).
* [refactor] revisited most config/info/command name(now almost all swap related
name comes with swap_ prefix; rocksdb related comes with rocksdb prefix).
* [feature] swap now supports list.
* [opt] use rocksdb delete range instead of removing data.rocks folder.
* [fix] column family options now inherits db options.
* [fix] zset zrem not correctly delete rocksdb subkeys when zset is hot.
* [fix] zset memory leak by rio RANGE, parsing command score/lex range failed.
================================================================================
ror-1.0.0 Released Mon Nov 14 10:59:48 CST 2022
================================================================================
* [feature] ror object meta persisted.
* [feature] ror add supports for set & zset.
================================================================================
ror-0.0.1 Released Wed Jun 29 10:59:48 CST 2022
================================================================================
* [feature] support swap between redis and rocksdb.