The problem is still there even after merging HIVE-30128 so we will
keep looking. Will update this thread once I have further information.

Best,
Stamatis

On Thu, Oct 15, 2026 at 6:36 PM Stamatis Zampetakis <[email protected]> wrote:
>
> My analysis of the problem in the past few days also points to the GKE
> autoscaler bringing down nodes with scheduled pods. HIVE-30128 is a
> promising fix so I merged it a few minutes ago. Let's continue
> monitoring the situation to see if additional actions are needed.
>
> For the record, there has been a Kubernetes upgrade on September 20
> which may have brought new changes in the autoscaler logic aggravating
> the issue.
>
> $ gcloud logging read
> 'protoPayload.methodName="google.container.internal.ClusterManagerInternal.PatchCluster"
> AND protoPayload.metadata.operationType="UPGRADE_MASTER" AND
> timestamp>="2026-08-20T00:00:00Z"' --limit=10 --format=json | jq '.[]
> |{timestamp:.timestamp,newversion:.protoPayload.metadata.currentMasterVersion,
> oldversion:.protoPayload.metadata.previousMasterVersion}'
> {
>   "timestamp": "2026-09-27T23:15:18.476357688Z",
>   "newversion": "1.35.6-gke.1250000",
>   "oldversion": "1.35.6-gke.1250000"
> }
> {
>   "timestamp": "2026-09-20T23:23:51.890372730Z",
>   "newversion": "1.35.6-gke.1250000",
>   "oldversion": "1.34.9-gke.1655001"
> }
>
> There were ChannelClosedException issues appearing on master around
> September 20 [1] but also before [2, 3] so it's hard to fully blame
> just the upgrade.
>
> Best,
> Stamatis
>
> [1] https://ci.hive.apache.org/job/hive-precommit/job/master/3094/
> [2] https://ci.hive.apache.org/job/hive-precommit/job/master/3063/
> [3] https://ci.hive.apache.org/job/hive-precommit/job/master/3006/
>
> On Wed, Oct 14, 2026 at 6:20 PM Raghav Aggarwal
> <[email protected]> wrote:
> >
> > Hi Stamatis,
> >
> > This issue has been occurring for over three weeks, so it is not a recent 
> > problem. I have observed it multiple times across my pull requests.
> >
> > For reference:
> >
> >   - A fix attempt appears to be in progress (HIVE-30128): 
> > https://github.com/apache/hive/pull/6843
> >   - A related PR merged 19 days ago demonstrates this pod failure issue: 
> > https://ci.hive.apache.org/blue/organizations/jenkins/hive-precommit/detail/PR-6750
> >
> > Regards,
> > Raghav Aggarwal
> >
> >
> > On Wed, Oct 14, 2026 at 5:19 PM Stamatis Zampetakis <[email protected]> 
> > wrote:
> >>
> >> Small correction: The PR 6644 and 6872 advance normally. However, in
> >> PR#6815 the ChannelClosedException popped up but the underlying pods
> >> are long gone so don't really know what happened. I will check a bit
> >> further to see if I can determine something.
> >>
> >> [2026-10-14T10:07:50.257Z] Cannot contact
> >> hive-precommit-pr-6815-5-9327p-g96pl-71l7f:
> >> hudson.remoting.ChannelClosedException: Channel
> >> "hudson.remoting.Channel@5ca733ed:JNLP4-connect connection from
> >> 10.0.13.8/10.0.13.8:39556": Remote call on JNLP4-connect connection
> >> from 10.0.13.8/10.0.13.8:39556 failed. The channel is closing down or
> >> has closed down
> >>
> >> Best,
> >> Stamatis
> >>
> >> On Wed, Oct 14, 2026 at 12:36 PM Stamatis Zampetakis <[email protected]> 
> >> wrote:
> >> >
> >> > Hi Konstantin,
> >> >
> >> > I just checked the Google Cloud incidents and it appears that there
> >> > was a problem affecting VMs in us-central1 where our pods are running.
> >> > The incident timeline:
> >> > * Started on October 13, 2026 at 3:19:12 PM UTC+1
> >> > * Resolved on October 13, 2026 at 6:35:59 PM UTC+1
> >> >
> >> > At the moment, I see 61 pods up and running normally for the following
> >> > PRs: 6644, 6815, 6872. Let's see if the problem persists to
> >> > investigate further.
> >> >
> >> > Best,
> >> > Stamatis
> >> >
> >> > On Wed, Oct 14, 2026 at 12:48 AM Konstantin Bereznyakov
> >> > <[email protected]> wrote:
> >> > >
> >> > > Hi all,
> >> > >
> >> > > I investigated repeated CI failures on HIVE-30037 (PR #6842
> >> > > (https://github.com/apache/hive/pull/6842)) and found matching
> >> > > agent/pod failures on unrelated PRs.
> >> > >
> >> > > All times below are October 13, UTC:
> >> > >
> >> > > #6842 build #12: split-09 pod failed at 09:24; postprocessing raised
> >> > > AgentOfflineException. Archived test reports contain zero
> >> > > failures/errors, including the new branch tests.
> >> > > PR #6861 (https://github.com/apache/hive/pull/6861), build #8:
> >> > > split-15 pod failed at 16:58.
> >> > > PR #6871 (https://github.com/apache/hive/pull/6871), build #3: six
> >> > > pods failed between 18:58 and 19:17.
> >> > > #6842 build #13: pod failed at 19:28 during workspace upload, after
> >> > > successful compilation and before testing.
> >> > >
> >> > > The logs consistently show ChannelClosedException, “Pod just failed,”
> >> > > and agent deletion. This appears to be a shared infrastructure issue.
> >> > >
> >> > > Could someone with CI access check the Kubernetes pod/node events? I
> >> > > have saved all four console logs.
> >> > >
> >> > > Thanks,
> >> > > Konstantin
> >
> >
> >
> > --
> > Thanks,
> > Raghav Aggarwal

Reply via email to