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Jesse Yates commented on HBASE-5547: ------------------------------------ @Ted: yeah. In the worst case, the data is kept around for an extra ttl (because that's how the cleaner works), so at worst they have the reference file for another 5-10 mins (depending on defaults). > Don't delete HFiles when in "backup mode" > ----------------------------------------- > > Key: HBASE-5547 > URL: https://issues.apache.org/jira/browse/HBASE-5547 > Project: HBase > Issue Type: New Feature > Reporter: Lars Hofhansl > Assignee: Jesse Yates > Fix For: 0.96.0, 0.94.2 > > Attachments: 5547-v12.txt, 5547-v16.txt, hbase-5447-v8.patch, > hbase-5447-v8.patch, hbase-5547-v9.patch, java_HBASE-5547.addendum, > java_HBASE-5547.addendum-v1, java_HBASE-5547_v13.patch, > java_HBASE-5547_v14.patch, java_HBASE-5547_v15.patch, > java_HBASE-5547_v4.patch, java_HBASE-5547_v5.patch, java_HBASE-5547_v6.patch, > java_HBASE-5547_v7.patch > > > This came up in a discussion I had with Stack. > It would be nice if HBase could be notified that a backup is in progress (via > a znode for example) and in that case either: > 1. rename HFiles to be delete to <file>.bck > 2. rename the HFiles into a special directory > 3. rename them to a general trash directory (which would not need to be tied > to backup mode). > That way it should be able to get a consistent backup based on HFiles (HDFS > snapshots or hard links would be better options here, but we do not have > those). > #1 makes cleanup a bit harder. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira