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https://issues.apache.org/jira/browse/CASSANDRA-10511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14979096#comment-14979096
] Ariel Weisberg edited comment on CASSANDRA-10511 at 10/28/15 7:38 PM: ---------------------------------------------------------------------- Do we also need to fix this for files that have broken summaries already? I am going to check, but I think that you don't any portion of the file mapped if the bounds aren't set correctly. |[2.2 code|https://github.com/apache/cassandra/compare/apache:cassandra-2.2...aweisberg:CASSANDRA-10511-2.2?expand=1]|[utests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10511-2.2-testall/]|[dtests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10511-2.2-dtest/]| |[2.1 code|https://github.com/apache/cassandra/compare/apache:cassandra-2.1...aweisberg:CASSANDRA-10511-2.1?expand=1]|[utests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10511-2.1-testall/]|[dtests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10511-2.1-dtest/]| was (Author: aweisberg): Do we need to also fix this for files that have broken summaries already? I am going to check, but I think that you don't any portion of the file mapped if the bounds aren't set correctly. |[2.2 code|https://github.com/apache/cassandra/compare/apache:cassandra-2.2...aweisberg:CASSANDRA-10511-2.2?expand=1]|[utests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10511-2.2-testall/]|[dtests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10511-2.2-dtest/]| |[2.1 code|https://github.com/apache/cassandra/compare/apache:cassandra-2.1...aweisberg:CASSANDRA-10511-2.1?expand=1]|[utests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10511-2.1-testall/]|[dtests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10511-2.1-dtest/]| > Index summary downsampling prevents mmap access of large files after restart > ---------------------------------------------------------------------------- > > Key: CASSANDRA-10511 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10511 > Project: Cassandra > Issue Type: Bug > Reporter: Benedict > Assignee: Ariel Weisberg > Fix For: 2.1.x, 2.2.x, 3.1 > > > {{SSTableReader.cloneWithNewSummarySampleLevel}} constructs a > {{SegmentedFile.Builder}} but never populates it with any boundaries. For > files larger than 2Gb, this will result in their being accessed via buffered > io after a restart. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
