[ https://issues.apache.org/jira/browse/HBASE-21462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Josh Elser updated HBASE-21462: ------------------------------- Status: Patch Available (was: Open) > Add note for CopyTable section explained it does not perform a diff, but a > full write from source to target > ----------------------------------------------------------------------------------------------------------- > > Key: HBASE-21462 > URL: https://issues.apache.org/jira/browse/HBASE-21462 > Project: HBase > Issue Type: Improvement > Components: documentation > Reporter: Wellington Chevreuil > Assignee: Wellington Chevreuil > Priority: Minor > Attachments: HBASE-21462.master.001.patch > > > Performance is a common issue with CopyTable is when the key/time range for > the data to be copied is large because it basically scans all rows on the > specified range, in the source and perform related puts on the source. We > should add extra note explaining that on the reference guide, to help > users/admins understand when to choose between the different tools/approaches > for syncing clusters. -- This message was sent by Atlassian JIRA (v7.6.3#76005)