This extension provides ability to monitor usage of Ceph storage system. It covers both client side and host level in-depth data.
This is intended for users, who:
Would like to monitor usage and performance of their Ceph platform.
Require constant ability to have live information about host resources and data flow.
Aim to shorten analysis time, required to find out root cause of possible system failures, to the minimum.
This enables you to:
Monitor host resources usage and its capacity levels.
Collect data regarding active and inactive Ceph object storage daemons.
Observe system data flow in terms of write/read operations, for the cluster as a whole, and for the osd's in particular.
Environment with Ceph storage deployed
The only thing required is to have an environment with Ceph storage running
|Open Sessions||ceph_mon_num_sessions||Count||Number of open monitor sessions|
|Quorum||ceph_mon_quorum_status||Count||Monitor daemons in quorum|
|OSD Apply Latency||ceph_osd_apply_latency_ms||MilliSecond||Latency of the "commit" operation on the OSD|
|OSD Commit Latency||ceph_osd_commit_latency_ms||MilliSecond||Latency of the "commit" operation on the OSD|
|Total OSD Write Latency||ceph_osd_op_w_latency_sum||MilliSecond||Total latency of the "write" operations on the OSD|
|Total OSD Read Latency||ceph_osd_op_r_latency_sum||MilliSecond||Total latency of the "read" operations on the OSD|
|Objects Count||ceph_pool_objects||Count||Number of objects in pool|
|Objects Recovered||ceph_pool_num_objects_recovered||Count||Number of recovered objects in pool|
|Bytes Recovered||ceph_pool_num_bytes_recovered||Byte||Number of recovered bytes in pool|
|Pool Objects Quota||ceph_pool_quota_objects||Count||Object quota set for pool|
|Pool Bytes Quota||ceph_pool_quota_bytes||Count||Byte quota set for pool|
|Bytes Written||ceph_osd_op_w_in_bytes||Byte||Total sum of bytes written to OSD|
|Bytes Read||ceph_osd_op_r_out_bytes||Byte||Total sum of bytes read from OSD|
|Write Operations||ceph_osd_op_w||Count||Total sum of write operations performed on OSD|
|Read Operations||ceph_osd_op_r||Count||Total sum of read operation performed on OSD|
|Recovery Operations||ceph_osd_recovery_ops||Count||Number of recovery operations in OSD|
|OSDs IN||ceph_osd_in||Count||Storage daemons in the cluster|
|OSDs UP||ceph_osd_up||Count||Storage daemons running|
|Placement groups||ceph_osd_numpg||Count||Placement groups|
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