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ASF GitHub Bot commented on HADOOP-18805: ----------------------------------------- virajjasani opened a new pull request, #5887: URL: https://github.com/apache/hadoop/pull/5887 branch-3.3 backport of PR: #5851 > s3a large file prefetch tests are too slow, don't validate data > --------------------------------------------------------------- > > Key: HADOOP-18805 > URL: https://issues.apache.org/jira/browse/HADOOP-18805 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/s3, test > Affects Versions: 3.3.9 > Reporter: Steve Loughran > Priority: Major > Labels: pull-request-available > > the large file prefetch tests (including LRU cache eviction) are really slow. > moving under -scale may hide the problem for most runs, but they are still > too slow, can time out, etc etc. > also, and this is very, very important, they can't validate the data. > Better: > * test on smaller files by setting a very small block size (1k bytes or less) > just to force paged reads of a small 16k file. > * with known contents to the values of all forms of read can be validated > * maybe the LRU tests can work with a fake remote object which can then be > used in a unit test > * extend one of the huge file tests to read from there -including s3-CSE > encryption coverage. -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org