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https://issues.apache.org/jira/browse/HBASE-1000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-1000:
-------------------------
Attachment: hbase-1000-v2.patch
Previous patch went into infinite loop; duh. Try this one.
> Sleeper.sleep does not go back to sleep when interrupted and no stop flag
> given.
> --------------------------------------------------------------------------------
>
> Key: HBASE-1000
> URL: https://issues.apache.org/jira/browse/HBASE-1000
> Project: Hadoop HBase
> Issue Type: Bug
> Components: util
> Reporter: Nitay Joffe
> Priority: Trivial
> Fix For: 0.19.0
>
> Attachments: hbase-1000-v2.patch, hbase-1000.patch
>
>
> When interrupted, the Sleeper.sleep method should exit if the stop flag was
> given, otherwise it should continue sleeping. Currently it seems to exits
> regardless, which means the stop flag is meaningless.
> Here is the relevant code, from
> src/java/org/apache/hadoop/hbase/util/Sleeper.java:
> {code}
> public void sleep(final long startTime) {
> if (this.stop.get()) {
> return;
> }
> long now = System.currentTimeMillis();
> long waitTime = this.period - (now - startTime);
> if (waitTime > this.period) {
> LOG.warn("Calculated wait time > " + this.period +
> "; setting to this.period: " + System.currentTimeMillis() + ", " +
> startTime);
> }
> if (waitTime > 0) {
> try {
> Thread.sleep(waitTime);
> long slept = System.currentTimeMillis() - now;
> if (slept > (10 * this.period)) {
> LOG.warn("We slept " + slept + "ms, ten times longer than
> scheduled: " +
> this.period);
> }
> } catch(InterruptedException iex) {
> // We we interrupted because we're meant to stop? If not, just
> // continue ignoring the interruption
> if (this.stop.get()) {
> return;
> }
> }
> }
> }
> {code}
> Essentially, the 'if (waitTime > 0)' portion needs to change to a while loop
> so that the sleeping will continue after an interruption occurs. I'll attach
> a patch when I get around to fixing it.
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