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Posted to issues@mesos.apache.org by "Alexander Rukletsov (JIRA)" <ji...@apache.org> on 2018/06/04 14:41:00 UTC
[jira] [Comment Edited] (MESOS-8942) Master streaming API does not
send (health) check updates for tasks.
[ https://issues.apache.org/jira/browse/MESOS-8942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16500297#comment-16500297 ]
Alexander Rukletsov edited comment on MESOS-8942 at 6/4/18 2:40 PM:
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{noformat:title=master}
commit 4e6d8047fd127745ef10463818dadc2399732961
Author: Alexander Rukletsov <ru...@gmail.com>
AuthorDate: Mon Jun 4 16:31:38 2018 +0200
Commit: Alexander Rukletsov <al...@apache.org>
CommitDate: Mon Jun 4 16:31:38 2018 +0200
Sent task (health) check updates over the operator streaming API.
With this patch subscribers to the master operator streaming API
start receiving task health (check) updates. This allows subscribers
to maintain more accurate view of the cluster's state, closer to
what the traditional `state.json` endpoint offers.
Review: https://reviews.apache.org/r/67320/
{noformat}
{noformat:title=1.6.x}
commit 047ae01ae8533025cd8415a6efa420951ff98659
Author: Alexander Rukletsov <ru...@gmail.com>
AuthorDate: Mon Jun 4 16:31:38 2018 +0200
Commit: Alexander Rukletsov <al...@apache.org>
CommitDate: Mon Jun 4 16:36:56 2018 +0200
Sent task (health) check updates over the operator streaming API.
With this patch subscribers to the master operator streaming API
start receiving task health (check) updates. This allows subscribers
to maintain more accurate view of the cluster's state, closer to
what the traditional `state.json` endpoint offers.
Review: https://reviews.apache.org/r/67320/
(cherry picked from commit 4e6d8047fd127745ef10463818dadc2399732961)
{noformat}
was (Author: alexr):
{noformat}
commit 4e6d8047fd127745ef10463818dadc2399732961
Author: Alexander Rukletsov <ru...@gmail.com>
AuthorDate: Mon Jun 4 16:31:38 2018 +0200
Commit: Alexander Rukletsov <al...@apache.org>
CommitDate: Mon Jun 4 16:31:38 2018 +0200
Sent task (health) check updates over the operator streaming API.
With this patch subscribers to the master operator streaming API
start receiving task health (check) updates. This allows subscribers
to maintain more accurate view of the cluster's state, closer to
what the traditional `state.json` endpoint offers.
Review: https://reviews.apache.org/r/67320/
{noformat}
> Master streaming API does not send (health) check updates for tasks.
> --------------------------------------------------------------------
>
> Key: MESOS-8942
> URL: https://issues.apache.org/jira/browse/MESOS-8942
> Project: Mesos
> Issue Type: Task
> Components: HTTP API
> Affects Versions: 1.4.1, 1.5.0, 1.6.0
> Reporter: Alexander Rukletsov
> Assignee: Alexander Rukletsov
> Priority: Major
> Labels: api, mesosphere, streaming-api
>
> Currently, Master API subscribers get task status updates when task state changes (the actual logic is [slightly more complex|https://github.com/apache/mesos/blob/d7d7cfbc3e5609fc9a4e8de8203a6ecb11afeac7/src/master/master.cpp#L10794-L10841]). We use task status updates to deliver health and check information to schedulers, in which case task state does not change. Hence these updates are filtered out and the subscribers do not get any task health updates.
> Here is a test that confirms the described behaviour: https://gist.github.com/rukletsov/c079d95479fb134d137ea3ae8b7ae874
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