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Posted to dev@hbase.apache.org by "Gary Helmling (JIRA)" <ji...@apache.org> on 2009/08/05 01:10:15 UTC
[jira] Updated: (HBASE-1722) Add support for exporting HBase
metrics via JMX
[ https://issues.apache.org/jira/browse/HBASE-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gary Helmling updated HBASE-1722:
---------------------------------
Attachment: metrics_docs_trunk.patch
Here's a patch for metrics.xml in trunk.
This is my first time using Forrest, so let me know if anything seems off or missing.
The last bit about editing bin/hbase is kind of hacky, but is necessary since we currently don't split out opts for master vs. regionserver vs. shell, etc.
I'll attach a separate version for 0.19 -- the only real difference is the domain where the MBeans show up.
> Add support for exporting HBase metrics via JMX
> -----------------------------------------------
>
> Key: HBASE-1722
> URL: https://issues.apache.org/jira/browse/HBASE-1722
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: ipc, master, regionserver
> Affects Versions: 0.19.3
> Reporter: Gary Helmling
> Priority: Minor
> Fix For: 0.21.0
>
> Attachments: jmx_metrics-0.19.patch, jmx_support-trunk.patch, metrics_docs_trunk.patch
>
>
> Current HBase metrics collection and reporting (for the 0.19 releases at least) doesn't seem to export any of the metrics as MBeans via JMX.
> This patch adds JMX MBean support for reporting metrics collected in 3 areas:
> * org.apache.hadoop.hbase.ipc.HBaseRpcMetrics
> * org.apache.hadoop.hbase.master.metrics.MasterMetrics
> * org.apache.hadoop.hbase.regionserver.metrics.RegionServerMetrics
> This patch is only against the 0.19 branch, as the metrics API seems to have changed a bit in Hadoop 0.20, including adding support for dynamic MBeans. I'll add a patch reworked for trunk shortly.
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