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Date: Mon, 16 Nov 2015 16:46:11 +0000 (UTC)
From: "Ariel Weisberg (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Message-ID: <JIRA.12903277.1444291025000.81685.1447692371108@Atlassian.JIRA>
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Subject: [jira] [Updated] (CASSANDRA-10477) java.lang.AssertionError in
 StorageProxy.submitHint
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     [ https://issues.apache.org/jira/browse/CASSANDRA-10477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ariel Weisberg updated CASSANDRA-10477:
---------------------------------------
    Component/s: Local Write-Read Paths

> java.lang.AssertionError in StorageProxy.submitHint
> ---------------------------------------------------
>
>                 Key: CASSANDRA-10477
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10477
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local Write-Read Paths
>         Environment: CentOS 6, Oracle JVM 1.8.45
>            Reporter: Severin Leonhardt
>            Assignee: Ariel Weisberg
>             Fix For: 2.1.x
>
>
> A few days after updating from 2.0.15 to 2.1.9 we have the following log entry on 2 of 5 machines:
> {noformat}
> ERROR [EXPIRING-MAP-REAPER:1] 2015-10-07 17:01:08,041 CassandraDaemon.java:223 - Exception in thread Thread[EXPIRING-MAP-REAPER:1,5,main]
> java.lang.AssertionError: /192.168.11.88
>         at org.apache.cassandra.service.StorageProxy.submitHint(StorageProxy.java:949) ~[apache-cassandra-2.1.9.jar:2.1.9]
>         at org.apache.cassandra.net.MessagingService$5.apply(MessagingService.java:383) ~[apache-cassandra-2.1.9.jar:2.1.9]
>         at org.apache.cassandra.net.MessagingService$5.apply(MessagingService.java:363) ~[apache-cassandra-2.1.9.jar:2.1.9]
>         at org.apache.cassandra.utils.ExpiringMap$1.run(ExpiringMap.java:98) ~[apache-cassandra-2.1.9.jar:2.1.9]
>         at org.apache.cassandra.concurrent.DebuggableScheduledThreadPoolExecutor$UncomplainingRunnable.run(DebuggableScheduledThreadPoolExecutor.java:118) ~[apache-cassandra-2.1.9.jar:2.1.9]
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_45]
>         at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [na:1.8.0_45]
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_45]
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [na:1.8.0_45]
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_45]
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_45]
>         at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
> {noformat}
> 192.168.11.88 is the broadcast address of the local machine.
> When this is logged the read request latency of the whole cluster becomes very bad, from 6 ms/op to more than 100 ms/op according to OpsCenter. Clients get a lot of timeouts. We need to restart the affected Cassandra node to get back normal read latencies. It seems write latency is not affected.
> Disabling hinted handoff using {{nodetool disablehandoff}} only prevents the assert from being logged. At some point the read latency becomes bad again. Restarting the node where hinted handoff was disabled results in the read latency being better again.


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