[jira] [Updated] (CASSANDRA-19381) StreamingTombstoneHistogramBuilder.DataHolder does not merge histogram points correctly on overflow
[ https://issues.apache.org/jira/browse/CASSANDRA-19381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ariel Weisberg updated CASSANDRA-19381: --- Source Control Link: https://github.com/apache/cassandra/pull/3136 (was: https://github.com/apache/cassandra/pull/3094) > StreamingTombstoneHistogramBuilder.DataHolder does not merge histogram points > correctly on overflow > --- > > Key: CASSANDRA-19381 > URL: https://issues.apache.org/jira/browse/CASSANDRA-19381 > Project: Cassandra > Issue Type: Bug > Components: Local/SSTable >Reporter: Ariel Weisberg >Assignee: Ariel Weisberg >Priority: Normal > Fix For: 5.0, 5.1 > > > The algorithm tries to merge the two nearest points in the histogram and > create a new point that is in between the two merged points based on the > weight of each point. This can overflow long arithmetic with the code that is > currently there and the work around is pick one of the points and just put > it there. > This can be worked around by changing the midpoint calculation to not > overflow. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-19381) StreamingTombstoneHistogramBuilder.DataHolder does not merge histogram points correctly on overflow
[ https://issues.apache.org/jira/browse/CASSANDRA-19381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ariel Weisberg updated CASSANDRA-19381: --- Status: In Progress (was: Patch Available) > StreamingTombstoneHistogramBuilder.DataHolder does not merge histogram points > correctly on overflow > --- > > Key: CASSANDRA-19381 > URL: https://issues.apache.org/jira/browse/CASSANDRA-19381 > Project: Cassandra > Issue Type: Bug > Components: Local/SSTable >Reporter: Ariel Weisberg >Assignee: Ariel Weisberg >Priority: Normal > Fix For: 5.0, 5.1 > > > The algorithm tries to merge the two nearest points in the histogram and > create a new point that is in between the two merged points based on the > weight of each point. This can overflow long arithmetic with the code that is > currently there and the work around is pick one of the points and just put > it there. > This can be worked around by changing the midpoint calculation to not > overflow. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-19381) StreamingTombstoneHistogramBuilder.DataHolder does not merge histogram points correctly on overflow
[ https://issues.apache.org/jira/browse/CASSANDRA-19381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ariel Weisberg updated CASSANDRA-19381: --- Summary: StreamingTombstoneHistogramBuilder.DataHolder does not merge histogram points correctly on overflow (was: StreamingTombstoneHistogramBuilder.DataHolder does not merge bins correctly on overflow) > StreamingTombstoneHistogramBuilder.DataHolder does not merge histogram points > correctly on overflow > --- > > Key: CASSANDRA-19381 > URL: https://issues.apache.org/jira/browse/CASSANDRA-19381 > Project: Cassandra > Issue Type: Bug > Components: Local/SSTable >Reporter: Ariel Weisberg >Assignee: Ariel Weisberg >Priority: Normal > Fix For: 5.0, 5.1 > > > The algorithm tries to merge the two nearest points in the histogram and > create a new point that is in between the two merged points based on the > weight of each point. This can overflow long arithmetic with the code that is > currently there and the work around is pick one of the points and just put > it there. > This can be worked around by changing the midpoint calculation to not > overflow. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
