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https://issues.apache.org/jira/browse/HBASE-5434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13214940#comment-13214940
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Andrew Purtell commented on HBASE-5434:
---------------------------------------
Check exactly what is being checked at
{{{TestStorageClusterStatusModel.checkModel(TestStorageClusterStatusModel.java:126)}}}
When checking cluster status, if there's some race or nondeterministic behavior
in the test rig, for example sometimes a RS takes a long time to spin up on
Hudson but not locally, then that can fail the test.
IMO, it might be best to fully mock the cluster status model so the above is no
longer an (occasional) concern.
> [REST] Include more metrics in cluster status request
> -----------------------------------------------------
>
> Key: HBASE-5434
> URL: https://issues.apache.org/jira/browse/HBASE-5434
> Project: HBase
> Issue Type: Improvement
> Components: metrics, rest
> Affects Versions: 0.94.0
> Reporter: Mubarak Seyed
> Assignee: Mubarak Seyed
> Priority: Minor
> Labels: noob
> Fix For: 0.94.0
>
> Attachments: HBASE-5434.trunk.v1.patch
>
>
> /status/cluster shows only
> {code}
> stores=2
> storefiless=0
> storefileSizeMB=0
> memstoreSizeMB=0
> storefileIndexSizeMB=0
> {code}
> for a region but master web-ui shows
> {code}
> stores=1,
> storefiles=0,
> storefileUncompressedSizeMB=0
> storefileSizeMB=0
> memstoreSizeMB=0
> storefileIndexSizeMB=0
> readRequestsCount=0
> writeRequestsCount=0
> rootIndexSizeKB=0
> totalStaticIndexSizeKB=0
> totalStaticBloomSizeKB=0
> totalCompactingKVs=0
> currentCompactedKVs=0
> compactionProgressPct=NaN
> {code}
> In a write-heavy REST gateway based production environment, ops team needs to
> verify whether write counters are getting incremented per region (they do run
> /status/cluster on each REST server), we can get the same values from
> *rpc.metrics.put_num_ops* and *hbase.regionserver.writeRequestsCount* but
> some home-grown tools needs to parse the output of /status/cluster and
> updates the dashboard.
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