Add number of running flushes & compactions to --stats_per_interval output (#9726)
Summary:
This is for https://github.com/facebook/rocksdb/issues/9709 and add two lines to the end of DB Stats
for num-running-compactions and num-running-flushes.
For example ...
** DB Stats **
Uptime(secs): 6.0 total, 1.0 interval
Cumulative writes: 915K writes, 915K keys, 915K commit groups, 1.0 writes per commit group, ingest: 0.11 GB, 18.95 MB/s
Cumulative WAL: 915K writes, 0 syncs, 915000.00 writes per sync, written: 0.11 GB, 18.95 MB/s
Cumulative stall: 00:00:0.000 H:M:S, 0.0 percent
Interval writes: 133K writes, 133K keys, 133K commit groups, 1.0 writes per commit group, ingest: 16.62 MB, 16.53 MB/s
Interval WAL: 133K writes, 0 syncs, 133000.00 writes per sync, written: 0.02 GB, 16.53 MB/s
Interval stall: 00:00:0.000 H:M:S, 0.0 percent
num-running-compactions: 0
num-running-flushes: 0
Pull Request resolved: https://github.com/facebook/rocksdb/pull/9726
Reviewed By: jay-zhuang
Differential Revision: D35066759
Pulled By: mdcallag
fbshipit-source-id: c161fadd3c15c5aa715a820dab6bfedb46dc099b
Mark Callaghan