[ https://issues.apache.org/jira/browse/HBASE-7365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matteo Bertozzi updated HBASE-7365: ----------------------------------- Attachment: HBASE-7365-v2.patch > Safer table creation and deletion using .tmp dir > ------------------------------------------------ > > Key: HBASE-7365 > URL: https://issues.apache.org/jira/browse/HBASE-7365 > Project: HBase > Issue Type: Improvement > Components: master > Reporter: Matteo Bertozzi > Assignee: Matteo Bertozzi > Fix For: 0.96.0 > > Attachments: HBASE-7365-v0.patch, HBASE-7365-v1.patch, > HBASE-7365-v2.patch > > > Currently tables are created in the root directory, and the removal works on > the root directory. > Change the code to use a /hbase/.tmp directory to make the creation and > removal a bit safer > Table Creation steps > * Create the table descriptor (table folder, in /hbase/.tmp/) > * Create the table regions (always in temp) > * Move the table from temp to the root folder > * Add the regions to meta > * Trigger assignment > * Set enable flag in ZooKeeper > Table Deletion steps > * Wait for regions in transition > * Remove regions from meta (use bulk delete) > * Move the table in /hbase/.tmp > * Remove the table from the descriptor cache > * Remove table from zookeeper > * Archive the table > The main changes in the current code are: > * Writing to /hbase/.tmp and then rename > * using bulk delete in DeletionTableHandler -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira