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Bug #16217

closed

[arvados-ws] Websocket server stops processing events, but stays connected

Added by Tom Clegg almost 5 years ago. Updated about 4 years ago.

Status:
Resolved
Priority:
Normal
Assigned To:
Tom Clegg
Category:
API
Target version:
2020-04-08 Sprint
Start date:
03/12/2020
Due date:
% Done:

100%

Estimated time:
(Total: 0.00 h)
Story points:
-
Release:
Arvados 2.1.0
Release relationship:
Auto

Description

Sometimes, after successfully processing hundreds or thousands of events, arvados-ws goes into a state where clients don't receive any events. The EventsIn number at /status.json is static, which indicates arvados-ws isn't receiving events from PostgreSQL.

Clients can still connect / stay connected, the once-per-minute empty "ping" message still works.

Cause is unknown.

Subtasks 4 (0 open — 4 closed)

Task #16230: Review 16217-ws-pingResolvedTom Clegg03/12/2020

Actions
Task #16231: Export event counters as metricsResolvedTom Clegg03/31/2020

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Task #16232: [ops] Add arvados-ws to prometheus configsResolved04/07/2020

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Task #16309: Review 16217-ws-metricsResolvedTom Clegg03/12/2020

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