[ https://issues.apache.org/jira/browse/AMBARI-15448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Siddharth Wagle updated AMBARI-15448: ------------------------------------- Summary: Report AMS / Grafana Per Disk Metrics and other cahnges (was: Report [AMS / Grafana] Per Disk Metrics) > Report AMS / Grafana Per Disk Metrics and other cahnges > ------------------------------------------------------- > > Key: AMBARI-15448 > URL: https://issues.apache.org/jira/browse/AMBARI-15448 > Project: Ambari > Issue Type: Task > Components: ambari-metrics > Affects Versions: 2.2.2 > Reporter: Siddharth Wagle > Assignee: Siddharth Wagle > Fix For: 2.2.2 > > > We need to collect and expose per-disk metrics from AMS for iostats counters. > We can sort the disk names alphabetically, and name the metrics like _1, _2, > etc. > Plus from psutils: > busy_time: (Linux, FreeBSD) time spent doing actual I/Os (in milliseconds) > read_merged_count (Linux): number of merged reads (see iostat doc) > write_merged_count (Linux): number of merged writes (see iostats doc) > _Additional fixes_: > - Combined_disk_total metric seems to be wrong : it is a sum() of all disk > percentages from different disks > - Missing ATS and JHS metrics due to wrong config item in > hadoop-metrics2.properties file > - Report number of disks -- This message was sent by Atlassian JIRA (v6.3.4#6332)