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https://issues.apache.org/jira/browse/HDFS-7739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brahma Reddy Battula updated HDFS-7739:
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Attachment: zkfctd.out
> ZKFC - transitionToActive is indefinitely waiting to complete fenceOldActive
> ----------------------------------------------------------------------------
>
> Key: HDFS-7739
> URL: https://issues.apache.org/jira/browse/HDFS-7739
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: auto-failover
> Affects Versions: 2.6.0
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Priority: Critical
> Attachments: zkfctd.out
>
>
> *Scenario:*
> One of the cluster disk got full and ZKFC making tranisionToAcitve ,To fence
> old active node it needs to execute the command and wait for tge result,
> since disk got full, strempumper thread will be indefinitely waiting( Even
> after free the disk also, it will not come out)...
> Please check the attached thread dump for ZKFC..
> Better to maintain the timeout for stream-pumper thread..
> {code}
> protected void pump() throws IOException {
> InputStreamReader inputStreamReader = new InputStreamReader(stream);
> BufferedReader br = new BufferedReader(inputStreamReader);
> String line = null;
> while ((line = br.readLine()) != null) {
> if (type == StreamType.STDOUT) {
> log.info(logPrefix + ": " + line);
> } else {
> log.warn(logPrefix + ": " + line);
> }
> {code}
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