Bug #4591: [API] When websockets server runs out of memory, it should exit so it can be restarted, instead of wedging. - Arvados

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Bug #4591

closed

[API] When websockets server runs out of memory, it should exit so it can be restarted, instead of wedging.

Added by Bryan Cosca over 9 years ago. Updated over 9 years ago.

Status:

Resolved

Priority:

Normal

Assigned To:

Brett Smith

Category:

API

Target version:

2014-12-10 sprint

Story points:

0.5

Description

Symptom: Pages not refreshing due to failure to connect to websockets

bcosc:
If I start a new instance, the page will not get refreshed that the job has started/running.

Peter:
"Iceweasel can't establish a connection to the server at wss://ws.qr1hi.arvadosapi.com/websocket"

Tom:
http://ruby-doc.org/core-2.1.4/Thread.html#method-c-abort_on_exception-3D ?

Subtasks 1 (0 open — 1 closed)

Task #4701: Review 4591-websockets-raise-oom-wip

Resolved

Brett Smith

12/02/2014

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Related issues

Has duplicate Arvados - Bug #4623: No auto-update of pipeline times in browser

Closed

11/20/2014

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Updated by Bryan Cosca over 9 years ago

also from queued to pending

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Updated by Bryan Cosca over 9 years ago

or pending to complete for that matter

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Updated by Peter Amstutz over 9 years ago

Subject changed from workbench fails to refresh at pipeline instances when jobs are "Not ready" to [OPS] Websockets not working
Target version set to Bug Triage

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Updated by Peter Amstutz over 9 years ago

Subject changed from [OPS] Websockets not working to [OPS] Pages not refreshing due to failure to connect to websockets

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Updated by Peter Amstutz over 9 years ago

Description updated (diff)

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Updated by Tom Clegg over 9 years ago

Subject changed from [OPS] Pages not refreshing due to failure to connect to websockets to [API] When websockets server runs out of memory, it should exit so it can be restarted, instead of wedging.
Description updated (diff)
Category set to API

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Updated by Brett Smith over 9 years ago

Assigned To set to Brett Smith
Target version changed from Bug Triage to 2014-12-10 sprint

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Updated by Brett Smith over 9 years ago

Status changed from New to In Progress

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Updated by Peter Amstutz over 9 years ago

Per Tom's comment in the description, let's try setting Thread.abort_on_exception = true and see if that breaks anything. The websockets server retains very little state so it is best to just kill it with extreme prejudice at the first sign of trouble.

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#10

Updated by Brett Smith over 9 years ago

Peter Amstutz wrote:

Per Tom's comment in the description, let's try setting Thread.abort_on_exception = true and see if that breaks anything. The websockets server retains very little state so it is best to just kill it with extreme prejudice at the first sign of trouble.

Seems to be fine. Tested this locally with a hacked arv-ws that was rigged up to send a non-JSON string. That got back the "malformed request" response as expected. Then a normal arv-ws could connect without trouble. Now at 95d12ecb.

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#11