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Zhihong Ted Yu commented on HBASE-6233: --------------------------------------- >From discussion of HDFS-3370, it is unknown when hdfs hardlink would get >accepted. > [brainstorm] snapshots: hardlink alternatives > --------------------------------------------- > > Key: HBASE-6233 > URL: https://issues.apache.org/jira/browse/HBASE-6233 > Project: HBase > Issue Type: Brainstorming > Reporter: Matteo Bertozzi > Assignee: Matteo Bertozzi > > Discussion ticket around snapshots and hardlink alternatives. > (See the HDFS-3370 discussion about hardlink and implementation problems) > (taking for a moment WAL out of the discussion and focusing on hfiles) > With hardlinks available taking snapshot will be fairly easy: > * (hfiles are immutable) > * hardlink to .snapshot/name to take snapshot > * hardlink from .snapshot/name to restore the snapshot > * No code change needed (on fs.delete() only one reference is deleted) > but we don't have hardlinks, what are the alternatives? -- 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