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https://issues.apache.org/jira/browse/CASSANDRA-8549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14264571#comment-14264571
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Benedict commented on CASSANDRA-8549:
-------------------------------------
It's possible you're facing CASSANDRA-8552. If so, please contribute any
information you have about the problem you're facing to that ticket.
> Not able to bring cassandra cluster to stable state
> ---------------------------------------------------
>
> Key: CASSANDRA-8549
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8549
> Project: Cassandra
> Issue Type: Bug
> Environment: centos 6
> Reporter: Rahul Bhardwaj
> Attachments: cassandra_conf.txt, system.log
>
>
> Hi,
> We are using cassandra 2.1 on prod environment (cluster with three 64 GB RAM
> machines) where a batch of write operations are done per minute (around 10000
> inserts) using PHP PDO.
> Couple of days back we found our cluster unstable then we restarted cassandra
> service on all machines, but since then cassandra is busy in flushing bulk of
> sstable_activity which causes cassandra shutdown or unresponsive due to full
> heap space (java heap space 8GB).
> After several attempts of restarting cassandra service two nodes started. Out
> of these two nodes, one node's cassandra daemon consumed whole RAM (64 GB).
> Top command shows 75G of virtual memory consumed and 69 G of Resident memory
> consumption. Other node is ok.
> But node1 again busy in flushing sstable_activity and not getting statrted.
> please help in solving this, these issues are on prod environment.
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