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https://issues.apache.org/jira/browse/HDDS-1136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16782063#comment-16782063
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Aravindan Vijayan edited comment on HDDS-1136 at 3/1/19 9:04 PM:
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Added metric gauges for tracking DB checkpointing statistics. The OMMetrics
class will hold these gauge values at any instant. We dont store historic
values for these metrics. These can be pulled from OM by a sink (File sink,
Prometheus sink, Recon etc).
*Testing done*
Integration test for Servlet method that gets the OM DB checkpoint added.
Manually verified the patch on single node Ozone cluster.
Github PR returned clean run.
was (Author: avijayan):
Added metric gauges for tracking DB checkpointing statistics. The OMMetrics
class will hold these gauge values at any instant. We dont store historic
values for these metrics. These can be pulled from OM by a sink (File sink,
Prometheus sink, Recon etc).
*Testing done*
Integration test for Servlet method that gets the OM DB checkpoint added.
Manually verified the patch on single node Ozone cluster.
> Add metric counters to capture the RocksDB checkpointing statistics.
> --------------------------------------------------------------------
>
> Key: HDDS-1136
> URL: https://issues.apache.org/jira/browse/HDDS-1136
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Major
> Labels: pull-request-available
> Attachments: HDDS-1136-000.patch
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> As per the discussion with [~anu] on HDDS-1085, this JIRA tracks the effort
> to add metric counters to capture ROcksDB checkpointing performance.
> From [~anu]'s comments, it might be interesting to have 3 counters – or a map
> of counters.
> * How much time are we taking for each CheckPoint
> * How much time are we taking for each Tar operation – along with sizes
> * How much time are we taking for the transfer.
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