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Mark /relations endpoint as usable on workers. #14028
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clokep
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Oct 3, 2022
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For what it's worth, I get an error on isolated client_reader tests. |
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Hmmm, maybe we're not mounting that properly, but why isn't it failing in this repo?! 😢 |
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The Complement testing machinery on the synapse side defines what workers
are being used, which is not a full set. Only known good workers are
utilized. I believe it's declared in start_for_complement.sh or such?
…On Mon, Oct 3, 2022, 3:13 PM Patrick Cloke ***@***.***> wrote:
Hmmm, maybe we're not mounting that properly, but why isn't it failing in
this repo?! 😢
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Ah ok, so this goes to my comment above saying that I don't. Now if adding the config is all that's needed. Thanks for answering! |
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That looks good for testing with the docker image. Outside of that is out of my scope of expertise. For example: I don't know enough about the internals of how generic_workers become actual workers to say that defining an endpoint and giving it an arbitrary name is sufficient. Documentation is...misleading, in this aspect. |
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Oct 4, 2022
Co-authored-by: Eric Eastwood <erice@element.io>
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Spawning from matrix-org/synapse#14028 (comment) The reason they failed before was because we're fighting against stale caches across workers racing while waiting for invalidation, see matrix-org/synapse#13185 (comment) > Here is what happens: > > 1. `serverB` has `event1` stored as an `outlier` from previous requests (specifically from MSC3030 jump to date pulling in a missing `prev_event` after backfilling) > 1. Client on `serverB` calls `/messages?dir=b` > 1. `serverB:client_reader1` accepts the request and drives things > 1. `serverB:client_reader1` has some backward extremities in range and requests `/backfill` from `serverA` > 1. `serverB:client_reader1` processes the events from backfill including `event1` and puts them in the `_event_persist_queue` > 1. `serverB:master` picks up the events from the `_event_persist_queue` and persists them to the database, de-outliers `event1` and invalidates its own cache and sends them over replication > 1. `serverB:client_reader1` starts assembling the `/messages` response and gets `event1` out of the stale cache still as an `outlier` > 1. `serverB:client_reader1` responds to the `/messages` request without `event1` because `outliers` are filtered out > 1. `serverB:client_reader1` finally gets the replication data and invalidates its own cache for `event1` (too late, we already got the events from the stale cache and responded)
This was referenced Oct 6, 2022
This PR already updates that w/ the new endpoint. Is there an additional change you'd like to see? |
I swear that wasn't there before!!!! |
erikjohnston
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Co-authored-by: Eric Eastwood <erice@element.io>
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Spawning from matrix-org/synapse#14028 (comment) CI failure: https://github.com/matrix-org/synapse/actions/runs/3182998161/jobs/5189731097#step:6:15343 (from [discussion](matrix-org/synapse#14028 (comment))) ``` WORKERS=1 POSTGRES=1 COMPLEMENT_ALWAYS_PRINT_SERVER_LOGS=1 COMPLEMENT_DIR=../complement ./scripts-dev/complement.sh -run TestJumpToDateEndpoint/parallel/federation/can_paginate_after_getting_remote_event_from_timestamp_to_event_endpoint ``` ### Why did this test fail with workers before? The reason they failed before was because we're fighting against stale caches across workers racing while waiting for invalidation, see matrix-org/synapse#13185 (comment) > Here is what happens: > > 1. `serverB` has `event1` stored as an `outlier` from previous requests (specifically from MSC3030 jump to date pulling in a missing `prev_event` after backfilling) > 1. Client on `serverB` calls `/messages?dir=b` > 1. `serverB:client_reader1` accepts the request and drives things > 1. `serverB:client_reader1` has some backward extremities in range and requests `/backfill` from `serverA` > 1. `serverB:client_reader1` processes the events from backfill including `event1` and puts them in the `_event_persist_queue` > 1. `serverB:master` picks up the events from the `_event_persist_queue` and persists them to the database, de-outliers `event1` and invalidates its own cache and sends them over replication > 1. `serverB:client_reader1` starts assembling the `/messages` response and gets `event1` out of the stale cache still as an `outlier` > 1. `serverB:client_reader1` responds to the `/messages` request without `event1` because `outliers` are filtered out > 1. `serverB:client_reader1` finally gets the replication data and invalidates its own cache for `event1` (too late, we already got the events from the stale cache and responded)
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Upstream changes: Synapse 1.70.1 (2022-10-28) =========================== (bugfixes) Synapse 1.70.0 (2022-10-26) =========================== Features -------- - Support for [MSC3856](matrix-org/matrix-spec-proposals#3856): threads list API. ([\#13394](matrix-org/synapse#13394), [\#14171](matrix-org/synapse#14171), [\#14175](matrix-org/synapse#14175)) - Support for thread-specific notifications & receipts ([MSC3771](matrix-org/matrix-spec-proposals#3771) and [MSC3773](matrix-org/matrix-spec-proposals#3773)). ([\#13776](matrix-org/synapse#13776), [\#13824](matrix-org/synapse#13824), [\#13877](matrix-org/synapse#13877), [\#13878](matrix-org/synapse#13878), [\#14050](matrix-org/synapse#14050), [\#14140](matrix-org/synapse#14140), [\#14159](matrix-org/synapse#14159), [\#14163](matrix-org/synapse#14163), [\#14174](matrix-org/synapse#14174), [\#14222](matrix-org/synapse#14222)) - Stop fetching missing `prev_events` after we already know their signature is invalid. ([\#13816](matrix-org/synapse#13816)) - Send application service access tokens as a header (and query parameter). Implements [MSC2832](matrix-org/matrix-spec-proposals#2832). ([\#13996](matrix-org/synapse#13996)) - Ignore server ACL changes when generating pushes. Implements [MSC3786](matrix-org/matrix-spec-proposals#3786). ([\#13997](matrix-org/synapse#13997)) - Experimental support for redirecting to an implementation of a [MSC3886](matrix-org/matrix-spec-proposals#3886) HTTP rendezvous service. ([\#14018](matrix-org/synapse#14018)) - The `/relations` endpoint can now be used on workers. ([\#14028](matrix-org/synapse#14028)) - Advertise support for Matrix 1.3 and 1.4 on `/_matrix/client/versions`. ([\#14032](matrix-org/synapse#14032), [\#14184](matrix-org/synapse#14184)) - Improve validation of request bodies for the [Device Management](https://spec.matrix.org/v1.4/client-server-api/#device-management) and [MSC2697 Device Dehyrdation](matrix-org/matrix-spec-proposals#2697) client-server API endpoints. ([\#14054](matrix-org/synapse#14054)) - Experimental support for [MSC3874](matrix-org/matrix-spec-proposals#3874): Filtering threads from the `/messages` endpoint. ([\#14148](matrix-org/synapse#14148)) - Improve the validation of the following PUT endpoints: [`/directory/room/{roomAlias}`](https://spec.matrix.org/v1.4/client-server-api/#put_matrixclientv3directoryroomroomalias), [`/directory/list/room/{roomId}`](https://spec.matrix.org/v1.4/client-server-api/#put_matrixclientv3directorylistroomroomid) and [`/directory/list/appservice/{networkId}/{roomId}`](https://spec.matrix.org/v1.4/application-service-api/#put_matrixclientv3directorylistappservicenetworkidroomid). ([\#14179](matrix-org/synapse#14179)) Deprecations and Removals ------------------------- - Remove the experimental implementation of [MSC3772](matrix-org/matrix-spec-proposals#3772). ([\#14094](matrix-org/synapse#14094)) - Remove the unstable identifier for [MSC3715](matrix-org/matrix-spec-proposals#3715). ([\#14106](matrix-org/synapse#14106), [\#14146](matrix-org/synapse#14146))
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This has always been safe to my knowledge, but now there are complement tests (matrix-org/complement#467).
Fixes #12290