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Posted to issues@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2015/11/04 03:29:28 UTC
[jira] [Commented] (HBASE-14693) Add client-side metrics for
received pushback signals
[ https://issues.apache.org/jira/browse/HBASE-14693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14988768#comment-14988768 ]
Andrew Purtell commented on HBASE-14693:
----------------------------------------
Mostly lgtm.
Fix this typo. Should be incrNormalRunners.
{code}
@@ -242,6 +333,21 @@ public class MetricsConnection {
metaCacheMisses.inc();
}
+ /** Increment the number of normal runner counts. */
+ public void incrNormaRunners() {
+ this.runnerStats.incrNormalRunners();
+ }
{code}
I can fix this on commit if there's nothing else.
> Add client-side metrics for received pushback signals
> -----------------------------------------------------
>
> Key: HBASE-14693
> URL: https://issues.apache.org/jira/browse/HBASE-14693
> Project: HBase
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Assignee: Heng Chen
> Fix For: 2.0.0, 1.2.0, 1.3.0, 0.98.16
>
> Attachments: HBASE-14693.patch, HBASE-14693_v1.patch, HBASE-14693_v2.patch, HBASE-14693_v3.patch
>
>
> HBASE-12911 added client side metrics. HBASE-5162 added a mechanism for sending advisory backpressure signals to clients when the server is heavily loaded, and HBASE-12702 and subtasks backported this to all active branches. Add client-side metrics for received pushback signal.
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