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https://issues.apache.org/jira/browse/HBASE-19722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16463090#comment-16463090
]
Xu Cang commented on HBASE-19722:
---------------------------------
Metrics look like this frmo JMX:
, {
"name" :
"Hadoop:service=HBase,name=RegionServer,sub=Coprocessor.Region.CP_org.apache.hadoop.hbase.coprocessor.example.ExampleMetaTableMetrics",
"modelerType" :
"RegionServer,sub=Coprocessor.Region.CP_org.apache.hadoop.hbase.coprocessor.example.ExampleMetaTableMetrics",
"tag.Context" : "regionserver",
"tag.Hostname" : "xxxxx-wsl",
"MetaTable_region_1524877520424.46fb9f6fc36ccf43fa8aa7f3541f521b._request_count"
: 3,
"MetaTable_region_1524877520424.46fb9f6fc36ccf43fa8aa7f3541f521b._request_mean_rate"
: 0.03334871250785361,
"MetaTable_region_1524877520424.46fb9f6fc36ccf43fa8aa7f3541f521b._request_1min_rate"
: 0.1581582828694362,
"MetaTable_region_1524877520424.46fb9f6fc36ccf43fa8aa7f3541f521b._request_5min_rate"
: 0.4595570030187892,
"MetaTable_region_1524877520424.46fb9f6fc36ccf43fa8aa7f3541f521b._request_15min_rate"
: 0.5489683372380184,
"MetaTable_table_Mytable_request_count" : 8,
"MetaTable_table_Mytable_request_mean_rate" : 1.3661568372281345,
"MetaTable_table_Mytable_request_1min_rate" : 1.6,
"MetaTable_table_Mytable_request_5min_rate" : 1.6,
"MetaTable_table_Mytable_request_15min_rate" : 1.6,
"MetaTable_client_/10.9.99.3_request_count" : 23,
"MetaTable_client_/10.9.99.3_request_mean_rate" : 0.2551310070059783,
"MetaTable_client_/10.9.99.3_request_1min_rate" : 0.7790609821989923,
"MetaTable_client_/10.9.99.3_request_5min_rate" : 1.9910647551251752,
"MetaTable_client_/10.9.99.3_request_15min_rate" : 2.3767086233278225,
"MetaTable_region_1524877604607.8e3c9c166b2a833e7c74fcd80dd75f69._request_count"
: 3,
"MetaTable_region_1524877604607.8e3c9c166b2a833e7c74fcd80dd75f69._request_mean_rate"
: 0.5139987786676274,
"MetaTable_region_1524877604607.8e3c9c166b2a833e7c74fcd80dd75f69._request_1min_rate"
: 0.6,
"MetaTable_region_1524877604607.8e3c9c166b2a833e7c74fcd80dd75f69._request_5min_rate"
: 0.6,
"MetaTable_region_1524877604607.8e3c9c166b2a833e7c74fcd80dd75f69._request_15min_rate"
: 0.6,
"MetaTable_region_null_request_count" : 17,
"MetaTable_region_null_request_mean_rate" : 0.18857535863238242,
"MetaTable_region_null_request_1min_rate" : 0.5894107235743777,
"MetaTable_region_null_request_5min_rate" : 1.529350349248615,
"MetaTable_region_null_request_15min_rate" : 1.8274759788920178
}, {
> Implement a meta query statistics metrics source
> ------------------------------------------------
>
> Key: HBASE-19722
> URL: https://issues.apache.org/jira/browse/HBASE-19722
> Project: HBase
> Issue Type: Sub-task
> Reporter: Andrew Purtell
> Priority: Major
> Attachments: HBASE-19722.patch
>
>
> Implement a meta query statistics metrics source, created whenever a
> regionserver starts hosting meta, removed when meta hosting moves. Provide
> views on top tables by request counts, top meta rowkeys by request count, top
> clients making requests by their hostname.
> Can be implemented as a coprocessor.
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