[ https://issues.apache.org/jira/browse/FLINK-8602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sihua Zhou closed FLINK-8602. ----------------------------- Resolution: Done All sub-tasks are done. > Improve recovery performance for rocksdb backend > ------------------------------------------------ > > Key: FLINK-8602 > URL: https://issues.apache.org/jira/browse/FLINK-8602 > Project: Flink > Issue Type: Improvement > Components: State Backends, Checkpointing > Affects Versions: 1.5.0 > Reporter: Sihua Zhou > Assignee: Sihua Zhou > Priority: Major > > Right now, RocksDB backend supports {{fully checkpoint}} & {{incremental > checkpoint}}. This issue try to improve the performance of recovery from > {{fully checkpoint}} as well as from {{incremental checkpoint}}. It contains > 2 sub-tasks. > 1. improve recovery performance for incremental checkpoint when > {{hasExtraKeys = true}} > 2. introduce `parallel recovery` from both {{fully checkpoint}} and > {{incremental checkpoint}} (Base on {{ingestExternalFile()}} and > {{SstFileWriter}} provided by RocksDB). > Any advice would be highly appreciated! -- This message was sent by Atlassian JIRA (v7.6.3#76005)