Lars Hofhansl created PHOENIX-2763:
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Summary: rowcount stats not correct after major compaction
Key: PHOENIX-2763
URL: https://issues.apache.org/jira/browse/PHOENIX-2763
Project: Phoenix
Issue Type: Bug
Affects Versions: 4.7.0
Reporter: Lars Hofhansl
I just loaded a table with a few million rows. After the load I flushed and
major compacted the table.
In the stats table I see that GUIDE_POSTS_ROW_COUNT was exactly 10485760 for
each guide post (that's exactly 1024 * 1024 * 10), which is not correct - the
table has 16m rows, but the guide posts added up to over 30m rows. Running
UPDATE STATISTICS fixed it to about 3.5m rows per guide post, it should not be
by a factor of 3 off from a major compaction.
Not sure about the cause, but wanted to report to that I (or someone) can keep
track of it.
This was with a build from the 4.7.0-0.98 tag.
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