ceph large omap objects

本文主要是介绍ceph large omap objects，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

问题

出现下面告警信息

 ceph -scluster:id:     xxxxxxxxxxxxxxxxxxxxxxxhealth: HEALTH_WARN7 large omap objects

获取问题 pool

# ceph health detail
HEALTH_WARN 7 large omap objects; 4 clients failing to respond to cache pressure
[WRN] LARGE_OMAP_OBJECTS: 7 large omap objects7 large objects found in pool 'k8s-metadata'

获取有问题 pg 信息

结果返回时间跟你当前集群拥有 PG 数量成正比
PG 越少，返回速度越快

for i in `ceph pg ls-by-pool k8s-metadata | tail -n +2 | head -n -2 | awk '{print $1}'`; do echo -n "$i: "; ceph pg $i query | grep num_large_omap_objects | head -1 | awk '{print $2}'; done | grep ": 1"
11.18a: 1,
11.1fc: 1,
11.215: 1,
11.44f: 1,
11.5d7: 1,
11.808: 1,
11.c23: 1,

获取每个 PG 信

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