Nodetool proxyhistograms

proxyhistograms - Provide the latency request that recorded by the coordinator. This command is helpful if you encounter slow node operations.

For example:

nodetool proxyhistograms

proxy histograms
Percentile      Read Latency     Write Latency     Range Latency
                 (micros)          (micros)          (micros)
50%                   353.50           1214.50           4103.00
75%                   972.50           2969.25           5073.25
95%                  4832.85          15394.80          14981.50
98%                  8181.18          21873.00          27640.50
99%                  8356.63          21873.00          31843.79
Min                    22.00            207.00            499.00
Max                  8365.00          21873.00         208960.00

Parameter

Description

Percentile

Latency rank

Read Latency

Read latency

Write Latency

Write latency

Range Latency

Range scan latency for the node

Nodetool Reference