Todd Lipcon created KUDU-2289:
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Summary: Tablet deletion should be throttled
Key: KUDU-2289
URL: https://issues.apache.org/jira/browse/KUDU-2289
Project: Kudu
Issue Type: Improvement
Components: tserver
Reporter: Todd Lipcon
Currently if a large amount of data is deleted simultaneously, the master will
not do any throttling of the DeleteTablet requests send to the tservers. The
tservers will use up to the configured number of service threads to work on
deleting tablets. The deletion can be relatively heavy-weight -- lots of file
system operations to hole-punch out the dead tablets, etc. This can have a
negative impact on other concurrent workloads.
It would be desirable to do some throttling either on the master or tserver
side to avoid overwhelming disks and thread resources during heavy deletion.
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