Commit Graph

41 Commits (45e07d62945c0e26dcb7d72b4c362c103538fa02)

Author SHA1 Message Date
Vitaliy Filippov 45e07d6294 Sadly we have to refcount dyn_data... 2023-07-29 12:17:18 +03:00
Vitaliy Filippov 874a766b62 Rename meta_version to meta_format 2023-07-29 12:17:18 +03:00
Vitaliy Filippov e42975ffd1 Fix wait_journal_count not being zeroed 2023-07-29 12:17:18 +03:00
Vitaliy Filippov 92c6e16eba Fix checksum verification in big_write journal reads 2023-07-29 12:17:18 +03:00
Vitaliy Filippov 213a9ccb4d Verify checksums during journal reads 2023-07-29 12:17:18 +03:00
Vitaliy Filippov a166147110 Add backwards compatibility with non-checksum metadata and journal formats 2023-07-29 12:17:18 +03:00
Vitaliy Filippov 7d532880c3 Implement large csum_block_size support (more than 4k) + refactor blockstore_flush 2023-07-29 12:17:18 +03:00
Vitaliy Filippov 0b0405d115 Implement bitmap-granular (4k) metadata & data checksums 2023-07-29 12:17:18 +03:00
Vitaliy Filippov b7e4d0c9bf Fix journal dirty_start position tracking and some debug prints
Fixes two bugs found during HDD testing :-)
1) OSD crashed with "BUG: Attempt to overwrite used offset of the journal" during
   `fio -bs=900k -iodepth=128` test with 16 MB journal
2) OSD stalled during `fio -bs=512k -iodepth=128` test with 64 MB journal
2023-07-09 01:17:55 +03:00
Vitaliy Filippov 86b4682975 Put get_trim_pos into the "critical section". Fixes rare journal corruption issue
The consequence of this issue was that in some very rare cases (only reproduced
under load in CI when running 4+ tests in parallel) small write data written to
journal could overwrite journal entries.

Also add an assert-type safety check to be able to catch this issue in the
future again in case of a regression.
2023-06-17 00:06:42 +03:00
Vitaliy Filippov f9fbea25a4 Remove double write when old and new locations are in the same metadata block
Also add another metadata entry fool-safety check which, ideally, will never fire %)
2023-06-03 00:47:10 +03:00
Vitaliy Filippov b74ccb613c Fix another variant of flusher sync-waiting stall 2023-04-24 00:44:41 +03:00
Vitaliy Filippov d7bd36dc32 Fix another rare journal flush stall 2022-12-30 02:03:33 +03:00
Vitaliy Filippov 795020674d Loop journal flusher when the queue is empty but there is a trim request 2022-12-27 02:28:20 +03:00
Vitaliy Filippov 49b88b01f9 Fix clang build 2022-12-17 16:25:26 +03:00
Vitaliy Filippov 552e207d2b Explicitly print errors about -EAGAIN in io_uring 2022-12-17 15:49:49 +03:00
Vitaliy Filippov 1a93e3f33a Wait for data writes before fsyncing data if data fsync is enabled 2022-12-16 20:46:55 +03:00
Vitaliy Filippov a276a1f737 Do not copy journal data additional time when flushing 2022-11-20 00:50:13 +03:00
Vitaliy Filippov ea632367e9 Do not alter dsk.meta_offset/len to skip superblock 2022-07-15 01:38:30 +03:00
Vitaliy Filippov dfd80626bd Extract disk opening functions to separate module 2022-07-15 01:38:30 +03:00
Vitaliy Filippov 839ec9e6e0 Shard clean_db by PGs to speedup listings 2022-02-20 00:21:24 +03:00
Vitaliy Filippov 7bdd92ca4f Fix build under clang and some warnings
Build problems fixed:
- void* pointer arithmetic which is a GNU extension (works as byte*)
- "variable size object may not be initialized" which is OK under GCC
- nullptr_t related error in json11 (it lacks 'operator <' in clang)

Warnings fixed:
- empty nested struct initializer { 0 } replaced by {}
- removed several unused lambda captures
2022-01-16 00:02:54 +03:00
Vitaliy Filippov c6d104ecd6 Print object version on fatal overwrite 2021-12-14 01:57:04 +03:00
Vitaliy Filippov 8398ad0117 Fix #36 - Fix old version data sometimes overriding new version data
Reproduction case:
- v3 = (offset 4kb, length 16kb)
- v2 = (offset 24kb, length 16kb)
- v1 = (offset 16kb, length 16kb)
- At the third step it was inserting 16..24kb instead of 20..24kb
2021-11-27 01:17:45 +03:00
Vitaliy Filippov 28bd94d2c2 Make diagnostics slightly better 2021-07-18 01:24:38 +03:00
Vitaliy Filippov 148ff04aa8 Do not lose flusher queue entries when an "older object rescan" happens in parallel with flushing of an older version of another object 2021-07-18 01:20:54 +03:00
Vitaliy Filippov e74af9745e Print journal flusher diagnostics on slow ops 2021-07-17 16:13:41 +03:00
Vitaliy Filippov f684d9101a Refuse to start with old journal version 2021-04-10 17:44:12 +03:00
Vitaliy Filippov ab39ce2bbb Use clean_entry_bitmap_size instead of entry_attr_size back because of changed bitmap handling 2021-04-10 17:44:12 +03:00
Vitaliy Filippov 6107a4d07b Add "external" bitmap support to blockstore 2021-04-10 17:44:12 +03:00
Vitaliy Filippov 95c29b9dc3 Add "external" bitmap support to osd_rmw 2021-04-10 17:44:12 +03:00
Vitaliy Filippov 6909807068 Allow to start the OSD just to flush the journal completely 2021-04-10 17:44:12 +03:00
Vitaliy Filippov 52097c4856 Stop flushing when less than min_flusher_count operations are available (unless a trim is forced) 2021-04-03 00:53:28 +03:00
Vitaliy Filippov 8f8b90be7a Add min_flusher_count configuration 2021-04-03 00:53:28 +03:00
Vitaliy Filippov 843b7052d2 Add an assertion when clearing deleted metadata entries, add debug details when freeing blocks 2021-04-03 00:53:28 +03:00
Vitaliy Filippov 564d64e271 Add some details for debug prints 2021-03-25 11:00:10 +03:00
Vitaliy Filippov 06f4978085 Fix fsync check in blockstore_flush (data fsyncs were disabled instead of journal fsyncs) 2021-03-25 02:41:58 +03:00
Vitaliy Filippov b0ad1e1e6d Remember writes as "unsynced" only after completing them
Previously BS_OP_SYNC could take unfinished writes and add them into the journal before
they were actually completed. This was leading to crashes with the message
"BUG: Unexpected dirty_entry 2000000000001:9f2a0000 v3 unstable state during flush: 338"
2021-03-25 02:41:58 +03:00
Vitaliy Filippov 88671cf745 Fix a bug causing all flushers to wait for an fsync without actually trying to do it
This happened because flusher_count became dynamic and fsync_batch() was comparing the number
of flushers currently ready to do an fsync with the maximum number of flushers. Also the number
wasn't rechecked on every loop which was also incorrect.

Now the interrupted_rebalance test passes even without IMMEDIATE_COMMIT=1.
2021-03-13 17:27:29 +03:00
Vitaliy Filippov c974cb539c Make flusher_count adaptive and limit write iodepth 2021-02-25 23:59:33 +03:00
Vitaliy Filippov bf9a175efc Move C/C++ sources to src subdirectory 2021-02-25 23:59:03 +03:00