[jira] [Assigned] (SPARK-25885) HighlyCompressedMapStatus deserialization optimization
[ https://issues.apache.org/jira/browse/SPARK-25885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen reassigned SPARK-25885: - Assignee: Artem Kupchinskiy > HighlyCompressedMapStatus deserialization optimization > -- > > Key: SPARK-25885 > URL: https://issues.apache.org/jira/browse/SPARK-25885 > Project: Spark > Issue Type: Improvement > Components: Spark Core >Affects Versions: 2.2.0 >Reporter: Artem Kupchinskiy >Assignee: Artem Kupchinskiy >Priority: Minor > Fix For: 3.0.0 > > > HighlyCompressedMapStatus uses unnecessary indirection level during > deserialization and construction. It uses ArrayBuffer, as an interim storage, > before the actual map construction. Since both methods could be application > hot spots under certain workloads, it is worth to get rid of that > intermediate level. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Assigned] (SPARK-25885) HighlyCompressedMapStatus deserialization optimization
[ https://issues.apache.org/jira/browse/SPARK-25885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-25885: Assignee: (was: Apache Spark) > HighlyCompressedMapStatus deserialization optimization > -- > > Key: SPARK-25885 > URL: https://issues.apache.org/jira/browse/SPARK-25885 > Project: Spark > Issue Type: Improvement > Components: Spark Core >Affects Versions: 2.2.0 >Reporter: Artem Kupchinskiy >Priority: Minor > > HighlyCompressedMapStatus uses unnecessary indirection level during > deserialization and construction. It uses ArrayBuffer, as an interim storage, > before the actual map construction. Since both methods could be application > hot spots under certain workloads, it is worth to get rid of that > intermediate level. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Assigned] (SPARK-25885) HighlyCompressedMapStatus deserialization optimization
[ https://issues.apache.org/jira/browse/SPARK-25885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-25885: Assignee: Apache Spark > HighlyCompressedMapStatus deserialization optimization > -- > > Key: SPARK-25885 > URL: https://issues.apache.org/jira/browse/SPARK-25885 > Project: Spark > Issue Type: Improvement > Components: Spark Core >Affects Versions: 2.2.0 >Reporter: Artem Kupchinskiy >Assignee: Apache Spark >Priority: Minor > > HighlyCompressedMapStatus uses unnecessary indirection level during > deserialization and construction. It uses ArrayBuffer, as an interim storage, > before the actual map construction. Since both methods could be application > hot spots under certain workloads, it is worth to get rid of that > intermediate level. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org