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144 Commits (bb7709e824f786641633da9550babea3bc055d8f)

Author SHA1 Message Date
Vitaliy Filippov 1fe678e57b Add --no-block to udev rule 2023-10-30 12:18:29 +03:00
Vitaliy Filippov 2e592a2f22 Fix undefined variable "timeout" 2023-10-29 01:30:55 +03:00
Vitaliy Filippov b92f644e3a Fix statistics aggregation, calculate inode stats by first deriving per-OSD stats, too 2023-10-29 01:30:55 +03:00
Vitaliy Filippov 8222e3c77d Release 1.1.0 
New features:

- Implement [client writeback cache](docs/config/client.en.md#client_enable_writeback)
- Add the third I/O mode: [O_DIRECT|O_SYNC](docs/config/osd.en.md#data_io) (good for Optane)
- Reduce load on etcd by splitting OSD lease and statistics reporting intervals:
  [etcd_stats_interval](docs/config/osd.en.md#etcd_stats_interval) (default 30 sec)
- Make MON automatically filter OSDs by layout (block_size/immediate_commit/bitmap_granularity)
  to prevent "refusing to start PGs of this pool" errors on misconfiguration
- Support running fio benchmarks on systems without io_uring
- Make QEMU driver compatible with QEMU 8.1
- Document usage of [vhost-user-blk](docs/usage/qemu.en.md#vhost-user-blk)

Bug fixes:

- Fix resizing disks in QEMU driver (for example, in Proxmox)
- Fix "unexpected result" in Proxmox driver by making CLI flush output on exit
- Remove unneeded block_size mismatch warnings on pools without matching PGs
- Fix possible segfault in vitastor-cli ls -l (usually with deleted pools)
- Fix QEMU driver compatibility with systems without io_uring
- Fix monitor eating 100% CPU when etcd is down (caused by infinite retries)
- Fix potential incorrect write processing with snapshots (not caught in tests
  but could probably lead to client hangs)
- Fix buffer insertion in cluster_client (not caught in tests but could
  probably lead to incorrect writes in rare cases)
- Fix rare OSD crash during sync operation processing
- Fix a reenterability issue in cluster_client not reproducible in QEMU/fio,
  but reproducible with the currently developed K/V database implementation
- Fix deletion of the first modified object - OSDs could crash if you modified
  the same object a lot of times, then deleted it, and then modified it again
- Fix the fio_sec_osd test tool
 2023-10-28 00:33:06 +03:00
Vitaliy Filippov be7e76f849 Split etcd_stats_interval out of etcd_report_interval 2023-10-27 01:26:26 +03:00
Vitaliy Filippov 38db53f5ee Implement client writeback cache 
- Disabled by default, enable with client_enable_writeback=true
- Even then only enabled in FIO when -direct is disabled and in QEMU when
  block device cache is enabled in settings
- Can also be enabled in other clients like vitastor-cli using parameter
  client_writeback_allowed=true, but not recommended
 2023-09-16 17:52:17 +03:00
Vitaliy Filippov ff479a102d Make MON filter OSDs by block layout to prevent "refusing to start PGs of this pool" errors on misconfiguration 2023-09-16 17:52:17 +03:00
Vitaliy Filippov ab8627c9fa Fix monitor retrying failed etcd connection in an infinite loop without pauses 2023-08-09 00:57:08 +03:00
Vitaliy Filippov 25a15d24cf Fix incorrect EC space statistics in `vitastor-cli status` 2023-07-27 02:26:17 +00:00
Vitaliy Filippov 2f999d8607 Reduce etcd memory usage 
With default --snapshot-count 100000 and GOGC=100 it easily reaches 6.6 GB
even when we only store 1-2 MB of data in it
 2023-07-06 00:46:26 +03:00
Vitaliy Filippov d007a374f2 Delete extra /pool/stats/ keys for non-existing pools 2023-07-06 00:40:13 +03:00
Vitaliy Filippov f12b8e45a9 Remove /usr/local/bin path from make-etcd 2023-06-29 23:49:31 +03:00
Vitaliy Filippov a4186e20aa First derive, then sum per-OSD statistics instead of first summing and then deriving 
This makes statistics reported by vitastor-cli status much smoother
 2023-06-18 01:32:24 +03:00
Vitaliy Filippov aea567cfbd Slightly improve scrub docs 2023-05-21 12:52:30 +03:00
Vitaliy Filippov ce02f47de6 Allow to disable scrub_find_best 2023-05-21 12:33:38 +03:00
Vitaliy Filippov 8d40ad99a6 Add scrub documentation 2023-05-20 23:19:39 +03:00
Vitaliy Filippov 3475772b07 Add configuration online update documentation 2023-05-20 23:19:39 +03:00
Vitaliy Filippov 6648f6bb6e Implement ambiguity detection during scrub 2023-05-20 23:19:39 +03:00
Vitaliy Filippov 3c924397e7 Store next scrub timestamp instead of last scrub timestamp 2023-05-20 23:19:39 +03:00
Vitaliy Filippov c3bd26193d Implement PG scrub runner 2023-05-20 23:19:39 +03:00
Vitaliy Filippov 0538a484b3 Add corrupted object state 2023-05-20 23:19:39 +03:00
Vitaliy Filippov 022176aa98 Fix NaN during PG optimisation if there are nonexisting OSDs in node_placement 2023-05-17 01:20:30 +03:00
Vitaliy Filippov 120e3fa7bc Fix pool deletion 2023-05-17 00:45:59 +03:00
Vitaliy Filippov 6f4dc16c59 Handle etcd connection errors correctly in mon (unhandled error events) 2023-05-11 11:02:44 +03:00
Vitaliy Filippov 321cb435a6 Fix monitor incorrectly changing PG count when last_clean_pgs contains less PGs than the new number 2023-05-08 20:39:20 +03:00
Vitaliy Filippov 5b9031fecc Fix monitor possibly applying incorrect PG history under heavy load 
Monitor could deceive itself by immediately saving PG configuration changes
which weren't applied to etcd yet in memory, and apply incorrect PG history
changes next time if the first update fails.

This usually only happened under heavy load and was caught in CI. :-)
 2023-05-07 23:23:00 +03:00
Vitaliy Filippov 5e295e346e Do not make vitastor-mon part of vitastor.target 2023-04-29 00:17:47 +03:00
Vitaliy Filippov d06ed2b0e7 Implement online config update 2023-03-26 19:21:50 +03:00
Vitaliy Filippov 14d6acbcba Set default rdma_max_recv/send to 16/8, fix documentation 2023-02-28 11:00:56 +03:00
Vitaliy Filippov c3e80abad7 Allow to send more than 1 operation at a time 2023-02-26 02:01:04 +03:00
Vitaliy Filippov 2c8241b7db Remove PG "peered" state 2023-02-21 01:30:42 +03:00
Vitaliy Filippov 749c837045 Replace non-existing local.target with multi-user.target 2023-01-25 01:29:31 +03:00
Vitaliy Filippov a38957c1a7 Skip empty hosts in lp-optimizer 2023-01-09 16:26:16 +03:00
Vitaliy Filippov 0f6b946add Time changes with every stat change, do not schedule checks based on it 2023-01-05 13:54:16 +03:00
Vitaliy Filippov 465cbf0b2f Do not re-schedule recheck indefinitely, run it after mon_change_timeout in any case 2023-01-05 13:48:06 +03:00
Vitaliy Filippov 41add50e4e Track last_clean_pgs on a per-pool basis 2023-01-03 02:20:50 +03:00
Vitaliy Filippov 37a6aff2fa Write OSD numbers always as numbers in mon 2023-01-01 23:17:42 +03:00
Vitaliy Filippov 3de57e87b1 Recheck OSD tree in monitor on /osd/stats changes 2022-12-26 02:48:48 +03:00
Vitaliy Filippov 8972878c77 Fix make-etcd for ip:port 2022-09-04 14:11:59 +03:00
Vitaliy Filippov 2f13f347b0 Fix space stats in mon 2022-09-03 11:16:33 +03:00
Vitaliy Filippov 9453db0e99 Add a newer make-etcd.js 2022-09-03 02:04:21 +03:00
Vitaliy Filippov a828a1233d Remove old make-osd scripts 2022-09-03 02:04:21 +03:00
Vitaliy Filippov bd11db5d0a Add vitastor-mon.service, vitastor.target, create user and log directory during package installation 2022-09-03 00:09:22 +03:00
Vitaliy Filippov 40d8d65188 Rewrite upgrade-simple to C++ 2022-08-18 01:31:31 +03:00
Vitaliy Filippov a16263e88c Fix bugs in the upgrade script and in the udev startup script 2022-08-17 10:28:34 +03:00
Vitaliy Filippov e62bab1b39 Add systemd unit for udev deployments 2022-08-15 00:23:26 +03:00
Vitaliy Filippov 5a10d135f3 Allow to configure block_size, bitmap_granularity and immediate_commit per-pool 2022-08-11 01:56:33 +03:00
Vitaliy Filippov 4c9aaa8a86 vitastor-disk prepare: implement first form of the command 2022-08-09 01:29:29 +03:00
Vitaliy Filippov 6fde9950d6 Implement upgrade tool from "simple" units to superblock+udev deployments 2022-07-27 02:33:43 +03:00
Vitaliy Filippov 837407a84c Add udev import command 2022-07-19 01:14:31 +03:00