Commit Graph

179 Commits

Author SHA1 Message Date
Andrew Mayorov
74881e8706
feat(dsrepl): make storage layer unaware of granularity of time
Storage also becomes a bit more pure, depending on the upper layer to
provide the timestamps, which also makes it possible to handle more
operations idempotently.
2024-03-20 13:20:23 +01:00
Andrew Mayorov
3cb36a5619
feat(ds-lts): extract timestamp from storage key itself
1. This avoids the need to deserialize the message to get the timestamp.
2. It also makes possible to decouple the storage key timestamp from the
   message timestamp, which might be useful for replication purposes.
2024-03-19 20:21:56 +01:00
Andrew Mayorov
5cc0246351
feat(dsrepl): allow to tune select ra options 2024-03-19 20:21:55 +01:00
Andrew Mayorov
54b5adf868
feat(dsrepl): allocate shards predictably
To ensure strictly optimal and fair shard allocation across
cluster. Before this commit it was quite easy to end up with
an allocation significantly skewed towards some node, because
of the nature of randomness and relatively small number of
shards.
2024-03-19 20:21:55 +01:00
Andrew Mayorov
887e151be5
fix(dsrepl): handle errors gracefully in shard egress process
Also add cooldown on timeout / unavailability.
2024-03-19 20:21:53 +01:00
Andrew Mayorov
e16aee99b4
chore(dsrepl): clarify how to perform leadership transfer in runtime 2024-03-19 20:21:18 +01:00
Andrew Mayorov
00d509f27b
feat(dsrepl): prefer local replica in read path
To optimize out any unnecessary RPCs. Given the load should be
smoothed evenly across the cluster, choosing non-leader node is
not a priority.
2024-03-19 20:11:42 +01:00
Andrew Mayorov
19305c223c
fix(dsrepl): require majority for replication-related tables 2024-03-19 20:11:42 +01:00
Andrew Mayorov
f89909f60c
fix(dsrepl): tolerate trigger election timeouts for existing servers 2024-03-19 20:11:42 +01:00
Andrew Mayorov
3b59cf2ebf
feat(dsrepl): move shard allocation to separate process
That starts shard and egress processes only when shards are fully
allocated.
2024-03-19 20:11:41 +01:00
Andrew Mayorov
4dafbf21f6
fix(dsrepl): make db + shard part of machine state
It doesn't feel right, but right now is the easiest way to have it
in the scope of `apply/3`, because `init/1` doesn't actually invoked
for ra machines recovered from the existing log / snapshot.
2024-03-19 20:11:41 +01:00
Andrew Mayorov
d19128ed65
feat(dsrepl): cache shard metadata in persistent terms 2024-03-19 20:11:41 +01:00
Andrew Mayorov
e6c2c2fb07
feat(dsrepl): manage generations / db config through ra machine 2024-03-19 20:11:39 +01:00
Andrew Mayorov
5e94bdb932
feat(dsrepl): allocate shards once predefined number of sites online
Before this commit the most likely shard allocation outcome was
that all shard are allocated to just one node.
2024-03-19 20:11:03 +01:00
Andrew Mayorov
be793e4735
fix(dsrepl): reassign timestamp at the time of submission
This is needed to ensure total message order for a shard, and
guarantee that no messages will be written "in the past". which
may break replay consistency.
2024-03-19 20:11:01 +01:00
Andrew Mayorov
146f082fdc
feat(dsrepl): implement raft-based replication
Still very rough but mostly working.
2024-03-19 20:09:44 +01:00
Ivan Dyachkov
f2dc940436 Merge remote-tracking branch 'upstream/release-56' into 0319-sync-release56 2024-03-19 15:20:08 +01:00
Thales Macedo Garitezi
11ae04d810 test(ds): rm unused var warning 2024-03-14 17:16:24 -03:00
Thales Macedo Garitezi
2ebc8dcc55 fix(ds): use infinity timeout when storing batches 2024-03-14 10:17:18 -03:00
Thales Macedo Garitezi
6af01b916e feat(ds): implement get_delete_streams, make_delete_iterator and delete_next callbacks for builtin storage
Part of https://emqx.atlassian.net/browse/EMQX-11841
2024-03-08 09:56:46 -03:00
Andrew Mayorov
f7e3afde16
test(ds): avoid introducing new macros 2024-03-07 16:49:20 +01:00
Andrew Mayorov
69427dc42d
test(ds): add tests for error mapping and replay recovery 2024-03-07 12:59:58 +01:00
Andrew Mayorov
09905d78cd
chore(ds): make error handling slightly simpler
Co-Authored-By: Thales Macedo Garitezi <thalesmg@gmail.com>
2024-03-07 12:59:57 +01:00
Andrew Mayorov
b39c710ec2
fix(ds): tidy up few typespecs 2024-03-07 12:59:57 +01:00
Andrew Mayorov
2146d9e1fe
feat(ds): introduce error classes in critical API functions
For now, only recoverable / unrecoverable errors are introduced.
2024-03-07 12:59:57 +01:00
Thales Macedo Garitezi
5d87d400f4 feat(ds): add atomic store API
Part of https://emqx.atlassian.net/browse/EMQX-11841
2024-03-06 15:24:14 -03:00
Thales Macedo Garitezi
06334798a5 fix(ds): fix drop_generation typespec
This typespec fix will be used downstream by other backends.
2024-03-04 14:15:59 -03:00
Ilya Averyanov
b706caf294 feat(ds): export types 2024-02-29 14:27:18 +03:00
Ilya Averyanov
d5ae0e5c53 feat(ds): update delete/count interface 2024-02-28 22:51:24 +03:00
Ilya Averyanov
b010d34640 chore(ds): add delete callbacks 2024-02-26 17:35:13 +03:00
Zaiming (Stone) Shi
46877e979b chore: update copyright-year 2024-02-23 08:21:06 +01:00
Thales Macedo Garitezi
d469f4158e chore: bump app vsns 2024-02-20 16:53:57 -03:00
ieQu1
8cfb22f0b8
fix(ds): Retry getting the shard leader 2024-02-16 12:42:48 +01:00
ieQu1
280fcd8c52
Merge pull request #12437 from ieQu1/dev/optimize_make_filter
Optimize emqx_ds_bitmask_keymapper:make_filter function.
2024-02-05 17:32:28 +01:00
ieQu1
4665837cf0 fix(ds): Apply review remarks 2024-02-05 16:52:06 +01:00
ieQu1
c7888ad1f1
Merge pull request #12475 from ieQu1/dev/lean-stream
Use a more compact data structure to represent streams
2024-02-05 13:55:24 +01:00
ieQu1
698ba3f271 fix(ds): Optimize emqx_ds_bitmask_keymapper:make_filter
This optimization makes idle polling faster
2024-02-05 10:54:19 +01:00
ieQu1
8edbec5929 refactor(ds): Clarify the language used in ds_bitmapper 2024-02-05 10:54:18 +01:00
Zaiming (Stone) Shi
75023f2ca3
Merge pull request #12442 from ieQu1/dev/ds-license-apache
Relicense apps/emqx_durable_storage under Apache 2.0
2024-02-05 10:16:52 +01:00
ieQu1
2e56810ea2 refactor(ds): Use a simple improper list to represent the streams 2024-02-03 21:15:54 +01:00
ieQu1
3d2ac97c61 feat(ds): Add a CLI interface to inspect status of DS databases 2024-02-02 10:11:01 +01:00
ieQu1
139f5dc3bd chore(ds): Remove an obsolete document; superceded by ./README.md 2024-02-01 00:14:08 +01:00
ieQu1
b50d6bf1fd chore(ds): Change the license to Apache 2.0
Due to technicalities parts of the original code were licensed under
BSL.
In preparations for the public release of the feature, the license has
been changed to Apache 2.0
2024-02-01 00:10:48 +01:00
Thales Macedo Garitezi
f7b12470dd test(ds): fix inter-suite flakiness
Attempt to mitigate this frequent source of flakiness:

```
=CRASH REPORT==== 31-Jan-2024::17:30:15.025404 ===
  crasher:
    initial call: emqx_ds_replication_layer_egress:init/1
    pid: <0.11312.0>
    registered_name: []
    exception error: no match of right hand side value {error,
                                                        no_leader_for_shard}
      in function  emqx_ds_replication_layer_egress:init/1 (/emqx/apps/emqx_durable_storage/src/emqx_ds_replication_layer_egress.erl, line 93)
      in call from gen_server:init_it/2 (gen_server.erl, line 980)
      in call from gen_server:init_it/6 (gen_server.erl, line 935)
    ancestors: [<0.11310.0>,<0.11304.0>,emqx_ds_builtin_databases_sup,
                  emqx_ds_builtin_sup,emqx_ds_sup,<0.11236.0>]
    message_queue_len: 0
    messages: []
    links: [<0.11310.0>]
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 376
    stack_size: 28
    reductions: 231
  neighbours:
```
2024-01-31 15:42:26 -03:00
Thales Macedo Garitezi
d51deac222 fix(ds): use configured data dir for site storage 2024-01-31 15:42:26 -03:00
JianBo He
35c4ef2ee2
Merge pull request #12407 from zmstone/0126-script-to-update-bsl-license-convert-time
0126 script to update bsl license convert time
2024-01-30 09:54:34 +08:00
ieQu1
7ee0a6aaa4
Merge pull request #12414 from ieQu1/dev/ds-readme
doc(ds): Update README
2024-01-29 18:01:03 +01:00
Zaiming (Stone) Shi
82403167c2 chore: update BSL license change date 2024-01-29 16:47:31 +01:00
ieQu1
2479e1189a fix(ds): Remove unused module 2024-01-29 00:36:13 +01:00
ieQu1
96c527541b docs(ds): Update README 2024-01-28 20:27:20 +01:00