Andrew Wong created KUDU-2136:
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Summary: Add a "crashed"/"failed" mode to tablets
Key: KUDU-2136
URL: https://issues.apache.org/jira/browse/KUDU-2136
Project: Kudu
Issue Type: Improvement
Reporter: Andrew Wong
There are a number of errors that currently crash Kudu tablet servers (e.g.
disk failure). In the push to keep tablet servers alive in spite of these
failures, the affected tablets should no longer service any type of request.
Writes should not proceed, scans should be bounced to another tablet server,
flushes and compactions should exit early, etc. The tablet should act as though
it were deleted, with the exception that its data is not yet deleted, for the
sake of durability in case it is the last remaining replica.
This mode may be need to be entered from a myriad of tablet operations: from
corruptions in reading a cfile, from disk failures when flushing to disk (while
locks may be held), etc.
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