[jira] [Created] (HBASE-30240) TestPrefetchPersistence fails because of a file is not fully cached

["Duo Zhang (Jira)" <ji...@apache.org>]

Duo Zhang created HBASE-30240:
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             Summary: TestPrefetchPersistence fails because of a file is not fully cached
                 Key: HBASE-30240
                 URL: https://issues.apache.org/jira/browse/HBASE-30240
             Project: HBase
          Issue Type: Sub-task
            Reporter: Duo Zhang
         Attachments: out

{noformat}
2026-06-20T23:44:49,592 DEBUG [hfile-prefetch-1781970289521] bucket.BucketCache(2445): Prefetch executor completed for /home/zhangduo/hbase/code/hbase-server/target/test-data/93a585a9-e5a9-d554-3df6-1ac14eabc2ff/TestPrefetch0/6de8b2415ccc430db423ae697b3727bf, but only 53 data blocks were cached. Total data blocks for file: 55. Checking for blocks pending cache in cache writer queue.
2026-06-20T23:44:49,592 INFO  [hfile-prefetch-1781970289521] bucket.BucketCache(2460): The total block count was 56. We found only 53 data blocks cached from a total of 55 data blocks for file /home/zhangduo/hbase/code/hbase-server/target/test-data/93a585a9-e5a9-d554-3df6-1ac14eabc2ff/TestPrefetch0/6de8b2415ccc430db423ae697b3727bf, but no blocks pending caching. Maybe cache is full or evictions happened concurrently to cache prefetch.
2026-06-20T23:44:49,593 DEBUG [hfile-prefetch-1781970289521] hfile.PrefetchExecutor(121): Prefetch completed for 6de8b2415ccc430db423ae697b3727bf
{noformat}

Found this in the test output, this means the file is not fully cached, we missed some data block in BucketCache, which fails the test.



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