Abhishek created KUDU-3378:
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Summary: Handle out of disk space issues more gracefully
Key: KUDU-3378
URL: https://issues.apache.org/jira/browse/KUDU-3378
Project: Kudu
Issue Type: Improvement
Reporter: Abhishek
Currently Kudu directories (WAL/meta) when run out of disk space cause the
server to crash. If all of the data directories of a tablet are full the server
crashes.
[https://kudu.apache.org/releases/1.16.0/docs/administration.html#disk_full_recovery]
In such cases of a crash unless the disk space increased, the server cannot
startup to even serve reads causing unavailability of data.
The proposition is to introduce write rejections beyond a certain configurable
threshold of free space (similar to memory pressure based write rejection
mechanism) so that the server would allow the data to be read without crashing
the server due to out of disk space.
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