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Daniel Carl Jones commented on HADOOP-18218: -------------------------------------------- I'll scope this ticket down to focus on memory consumption. HADOOP-18291 highlights that there is no limits or clean-up for the disk cache. > Ensure S3A prefetching stream memory consumption scales > ------------------------------------------------------- > > Key: HADOOP-18218 > URL: https://issues.apache.org/jira/browse/HADOOP-18218 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/s3 > Affects Versions: 3.3.9 > Reporter: Steve Loughran > Priority: Major > > A recurrent problem in cloud store IO is running out of memory because blocks > are buffered in reads or writes. > We need to make sure that data/memory is managed in the prefetch code such > that it works in processes with many worker threads (hive, spark....) and > does not exhaust resources. -- 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