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https://issues.apache.org/jira/browse/HBASE-5635?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhihong Yu updated HBASE-5635:
------------------------------
Hadoop Flags: Reviewed
Status: Patch Available (was: Open)
> If getTaskList() returns null splitlogWorker is down. It wont serve any
> requests.
> ----------------------------------------------------------------------------------
>
> Key: HBASE-5635
> URL: https://issues.apache.org/jira/browse/HBASE-5635
> Project: HBase
> Issue Type: Bug
> Components: wal
> Affects Versions: 0.92.1
> Reporter: Kristam Subba Swathi
> Attachments: HBASE-5635.1.patch, HBASE-5635.2.patch, HBASE-5635.patch
>
>
> During the hlog split operation if all the zookeepers are down ,then the
> paths will be returned as null and the splitworker thread wil be exited
> Now this regionserver wil not be able to acquire any other tasks since the
> splitworker thread is exited
> Please find the attached code for more details
> {code}
> private List<String> getTaskList() {
> for (int i = 0; i < zkretries; i++) {
> try {
> return (ZKUtil.listChildrenAndWatchForNewChildren(this.watcher,
> this.watcher.splitLogZNode));
> } catch (KeeperException e) {
> LOG.warn("Could not get children of znode " +
> this.watcher.splitLogZNode, e);
> try {
> Thread.sleep(1000);
> } catch (InterruptedException e1) {
> LOG.warn("Interrupted while trying to get task list ...", e1);
> Thread.currentThread().interrupt();
> return null;
> }
> }
> }
> {code}
> in the org.apache.hadoop.hbase.regionserver.SplitLogWorker
>
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