Minor compaction does not work as expected #6159
Labels
affects-6.0
affects-6.1
affects-6.2
affects-6.3
component/storage
severity/major
type/bug
The issue is confirmed as a bug.
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
2. What did you expect to see? (Required)
3. What did you see instead (Required)
The logs from https://asktug.com/t/topic/994062/22
The minor compaction only compact the last two column file into one column file with 4 rows, leaving other compaction files in level 0 not merged
And move these files into level 1.
Lots of delta leaving column files unmerged, finally there are more than 32,764,491 pages on one PageStorage (
__global__.log
) instance and cause OOM. Thedb/page/log/wal/log_xxx_1
take about 7.1 GB.4. What is your TiFlash version? (Required)
v6.2.0
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