Collecting system level diagnostics
Steps to collect system-wide performance information about a cluster using the DataStax Enterprise Performance Service.
The following system level diagnostic tables collect system-wide performance
information about a cluster:
- key_cache
Per node key cache metrics. Equivalent to nodetool info.
- net_stats
Per node network information. Equivalent to nodetool netstats.
- thread_pool
Per node thread pool active/blocked/pending/completed statistics by pool. Equivalent to nodetool tpstats.
- thread_pool_messages
Per node counts of dropped messages by message type. Equivalent to nodetool tpstats.
Procedure
To collect system level data: