Add io_time metric to FsInfo.IoStats #67805
Labels
:Data Management/Stats
Statistics tracking and retrieval APIs
>enhancement
Team:Data Management
Meta label for data/management team
In Nodes stats API ,we can get following io_stats metric:
But these metrics do not give an indication of disk busyness,I looked at some metrics, such as iowait, await,ioutil,but they were not rigorous enough, Refer to the collectd and ganglia implementation, They use ioTime to observe disk busyness.
link:https://collectd.org/wiki/index.php/Plugin:Disk
for Elasticsearch , this can be read Field 10 in /proc/diskstats
Would it make sense to add this metric? Thanks!
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