Jun Rao created KAFKA-4734:
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Summary: timeindex on old segments not trimmed to actual size
Key: KAFKA-4734
URL: https://issues.apache.org/jira/browse/KAFKA-4734
Project: Kafka
Issue Type: Improvement
Affects Versions: 0.10.1.0
Reporter: Jun Rao
When upgrading from 0.9.0 to 0.10.1, the broker creates empty .timeindex files
on old log segments without trimming them. So, on disk, you will see .timeindex
files with preallocated size.
-rw-r--r-- 1 junrao wheel 10485756 Feb 3 15:15
00000000000000000000.timeindex
-rw-r--r-- 1 junrao wheel 10485756 Feb 3 15:15
00000000000000000960.timeindex
-rw-r--r-- 1 junrao wheel 10485756 Feb 3 15:15
00000000000000001920.timeindex
-rw-r--r-- 1 junrao wheel 10485756 Feb 3 15:15
00000000000000002880.timeindex
-rw-r--r-- 1 junrao wheel 10485756 Feb 3 15:15
00000000000000003840.timeindex
-rw-r--r-- 1 junrao wheel 10485760 Feb 3 15:15 00000000000000004800.index
-rw-r--r-- 1 junrao wheel 10485756 Feb 3 15:15
00000000000000004800.timeindex
If the broker is restarted again, all .timeindex files (except for the one on
the active segment) are trimmed to 0 size. It would be better if we do that in
the first place.
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