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vitastor
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50 Commits (85b6134910acd2557591ec424e9563bbdcf7a043)

Author SHA1 Message Date
Vitaliy Filippov 85b6134910 Return dirty buffers on read in client 
Required at least to return buffers when they need to be replayed, but until
they are actually replayed
 2023-08-09 00:57:08 +03:00
Vitaliy Filippov b1b07a393d Fix incorrect marking op parts as done with snapshots (could probably lead to client hangs) 2023-08-09 00:57:08 +03:00
Vitaliy Filippov 84ed3c6395 Fix CAS retries during snapshot merge 2023-06-30 02:30:23 +03:00
Vitaliy Filippov 0e5d0e02a9 Add "vitastor-cli describe" command 2023-05-20 23:19:39 +03:00
Vitaliy Filippov 8cac795445 Return EIO instead of EINVAL for incomplete EC objects 2023-05-11 01:15:23 +03:00
Vitaliy Filippov 888a6975ab Fix a rare use-after-free in cluster_client caused by a reenterability issue 2023-04-08 02:44:02 +03:00
Vitaliy Filippov d06ed2b0e7 Implement online config update 2023-03-26 19:21:50 +03:00
Vitaliy Filippov 936122bbcf Initialize msgr lazily in client to speedup vitastor-cli with RDMA enabled 2023-02-19 18:59:07 +03:00
Vitaliy Filippov 3d08a1ad6c Fix cluster_client test after last reenterability fixes 2023-02-05 01:47:32 +03:00
Vitaliy Filippov 8b552a01f9 Do not retry successful operation parts in client (could lead to "double free" bugs) 2023-01-25 01:30:36 +03:00
Vitaliy Filippov 137309cf29 Implement bdrv_co_block_status for snapshot export support 2023-01-07 17:06:58 +03:00
Vitaliy Filippov 7a71e7ef01 Fix possible duplication of ping & op message IDs 2022-12-04 00:16:47 +03:00
Vitaliy Filippov bf8a0581cd Fix possible "assertion failed: next->prev_wait >= 0" in client 2022-11-20 00:50:13 +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 73a363bf92 Rename some variables and constants 2022-07-15 01:38:30 +03:00
Vitaliy Filippov 2a2e914ef9 Show no_recovery, no_rebalance and readonly flags in status 2022-06-04 13:27:06 +03:00
Vitaliy Filippov 7c2379d458 Simplified NFS proxy based on own NFS/XDR implementation 2022-05-07 01:01:20 +03:00
Vitaliy Filippov 714dda8151 Fix slow connection ramp-up caused by up_wait_retry_interval pausing operations on first connection attempt 2022-05-06 02:12:08 +03:00
Vitaliy Filippov 732e2804e9 Fix operation dependency counter underflow for reads without immediate_commit=all mode 2022-02-11 10:54:11 +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 5859f913fc Fix client failover in case of etcd shutdown or crash 2021-12-01 00:33:02 +03:00
Vitaliy Filippov 6d307d5391 Ignore "readonly" flag when merging snapshots 2021-09-26 11:32:42 +03:00
Vitaliy Filippov acf637950c Implement layer merge 
A new command merges multiple snapshot/clone layers into one of them,
so merged layers can be deleted after this procedure
 2021-07-31 00:23:30 +03:00
Vitaliy Filippov 7d3d696110 Implement object listing with controllable parallelism in cluster_client 2021-07-20 00:19:34 +03:00
Vitaliy Filippov aad7792d3f Check for loops in parent inode chains 2021-06-20 00:23:03 +03:00
Vitaliy Filippov 891250d355 Implement CAS writes 
From now on, reads will return the server-side object version numbers
and writes and deletes will have an additional "version" parameter
which, if set to a non-zero value, will be atomically compared with
the current version of the object plus 1 and the modification will
fail if it doesn't match.

This feature opens the road to correct online flattening of snapshot
layers and other interesting things.
 2021-06-15 00:12:35 +03:00
Vitaliy Filippov 699a0fbbc7 Log to stderr instead of stdout in client 2021-05-15 19:22:24 +03:00
Vitaliy Filippov 4a7365660d Do not wait for down OSDs during sync 
Fixes a hang introduced in 0.5.11 in the non-immediate_commit mode
 2021-05-01 00:26:07 +03:00
Vitaliy Filippov 72aa2fd819 Make OSD and client read common configuration from /etc/vitastor/vitastor.conf 2021-04-30 01:11:27 +03:00
Vitaliy Filippov ce777319c3 WIP RDMA support 
Basic naive implementation works, but it's highly non-optimal as
RNR retransmissions occur all the time. RDMA expects the receiver
to always have place for incoming WRs...
 2021-04-29 02:03:54 +03:00
Vitaliy Filippov f8ff39b0ab Rework continue_ops() to remove a CPU hot spot 
This rework increases fio -rw=randread -iodepth=128 result from ~120k to ~180k iops :)
 2021-04-29 01:50:13 +03:00
Vitaliy Filippov d749159585 Linked list experiment 
Rework client operation queue from a vector to a linked list.
This is required to rework continue_ops() as its current implementation
consumes ~25% of client process CPU.
 2021-04-29 01:47:33 +03:00
Vitaliy Filippov 9703773a63 Fix has_flushes setting 2021-04-28 23:40:44 +03:00
Vitaliy Filippov 5f5b6ef150 Enable chained reads in the client 2021-04-10 17:44:12 +03:00
Vitaliy Filippov 38a3df4a0e Implement chained (optimized) read in the primary OSD code 2021-04-10 17:44:12 +03:00
Vitaliy Filippov 6950b8e3a0 Watch inode metadata revisions 2021-04-10 17:44:12 +03:00
Vitaliy Filippov d6524670e1 Introduce data distribution locality 2021-04-10 17:44:12 +03:00
Vitaliy Filippov d0c2e31312 Add a test for snapshots, fix bugs. Now the test passes 2021-04-10 17:44:12 +03:00
Vitaliy Filippov 691f066055 Actual snapshot support (untested) 2021-04-10 17:44:12 +03:00
Vitaliy Filippov 0aa2dd2890 Send bitmaps with primary-reads, actually read bitmaps for READ ops 2021-04-10 17:44:12 +03:00
Vitaliy Filippov 18c72f4835 Correct reenterability fix (now verified with a test) 
It's rather funny but 0.5.12 has to be re-published again
 2021-04-09 12:10:16 +03:00
Vitaliy Filippov efb3678606 Fix qemu-img broken in 0.5.11 
Caused by the lack of reenterability of the main cluster_client function
 2021-04-08 14:59:20 +03:00
Vitaliy Filippov f6d705383a Fix client connection recovery bugs, add dirty_ops limit 2021-04-07 11:06:31 +03:00
Vitaliy Filippov a48e2bbf18 Fix write replay ordering when immediate_commit != all 
Previous implementation didn't respect write ordering and could lead
to corrupted data when restarting writes after an OSD outage

Also rework cluster_client queueing logic and add tests for it to verify the correct behaviour
 2021-04-03 14:51:52 +03:00
Vitaliy Filippov 3e162d95a0 Remove http_client.h include from etcd_state_client.h 2021-04-03 14:36:04 +03:00
Vitaliy Filippov 54f2353f24 Use bitmap granularity for alignment checks 2021-04-03 14:36:04 +03:00
Vitaliy Filippov e47f6fba60 Remove cluster_client_t::stop() 2021-04-03 14:35:42 +03:00
Vitaliy Filippov e1355cbc74 Report failed operation name in cluster_client 2021-04-03 00:53:28 +03:00
Vitaliy Filippov ad577c4aac Add PING operation and timeouts to detect OSD failures when a host goes down 2021-03-09 02:15:38 +03:00
Vitaliy Filippov bf9a175efc Move C/C++ sources to src subdirectory 2021-02-25 23:59:03 +03:00