Still need one more +1 On Thu, Mar 9, 2017 at 11:27 PM, Vladimir Rodionov <vladrodio...@gmail.com> wrote:
> bump > > On Thu, Mar 9, 2017 at 10:11 AM, Ted Yu <yuzhih...@gmail.com> wrote: > >> +1 from me as well. >> >> On Wed, Mar 8, 2017 at 3:48 PM, Enis Söztutar <e...@apache.org> wrote: >> >> > Thanks Vladimir for the write up and the work. Glad to see progress. >> > >> > Here is my +1. I'm pretty sure we can get the blockers in before the 2.0 >> > timeframe with the momentum, so it is a good idea to merge now so that >> > development can continue in master, and there is more exposure for >> testing, >> > etc. >> > >> > Enis >> > >> > On Wed, Mar 8, 2017 at 1:32 PM, Vladimir Rodionov < >> vladrodio...@gmail.com> >> > wrote: >> > >> > > Hello, HBase folks >> > > >> > > For your consideration today is Backup/Restore feature for Apache >> HBAse >> > > 2.0. >> > > Backup code is available as a mega patch in HBASE-14123 (v61), applies >> > > cleanly to the current master, all test PASS, patch has no other >> issues. >> > > >> > > The patch has gone through numerous rounds of code reviews and has >> > probably >> > > the most lengthy discussion thread on Apache JIRA (HBASE-14123) :) >> > > >> > > The work has been split into 3 phases (HBASE-14030, 14123, 14414) Two >> > first >> > > are complete, third one is still in progress. >> > > >> > > >> > > *** Summary of work HBASE-14123 >> > > >> > > The new feature introduces new command-line extensions to the hbase >> > command >> > > and, from the client side, is accessible through command-line only >> > > Operations: >> > > * Create full backup on a list of tables or backup set >> > > * Create incremental backup image for table list or backup set >> > > * Restore list of tables from a given backup image >> > > * Show current backup progress >> > > * Delete backup image and all related images >> > > * Show history of backups >> > > * Backup set operations: create backup set, add/remove table to/from >> > backup >> > > set, etc >> > > >> > > In the current implementation, the feature is already usable, meaning >> > that >> > > users can backup tables and restore them using provided command-line >> > tools. >> > > Both: full and incremental backups are supported. >> > > This work is based on original work of IBM team (HBASE-7912). The full >> > list >> > > of JIRAs included in this mega patch can be found in three umbrella >> > JIRAs: >> > > HBASE-14030 (Phase 1), HBASE-14123 (Phase 2) and HBASE-14414 (Phase 3 >> - >> > all >> > > resolved ones made it into the patch) >> > > >> > > *** What are the remaining work items >> > > >> > > All remaining items can be found in Phase 3 umbrella JIRA: >> HBASE-14414. >> > > They are split into 3 groups: BLOCKER, CRITICAL, MAJOR >> > > Only BLOCKERs and CRITICALs are guaranteed for HBase 2.0 release. >> > > >> > > ***** BLOCKER >> > > >> > > * HBASE-14417 Incremental backup and bulk loading ( Patch available) >> > > * HBASE-14135 HBase Backup/Restore Phase 3: Merge backup images >> > > * HBASE-14141 HBase Backup/Restore Phase 3: Filter WALs on backup to >> > > include only edits from backup tables (Patch available) >> > > * HBASE-17133 Backup documentation >> > > * HBASE-15227 Fault tolerance support >> > > >> > > ***** CRITICAL >> > > >> > > * HBASE-16465 Disable split/merges during backup >> > > >> > > We have umbrella JIRA (HBASE-14414) to track all the remaining work >> > > All the BLOCKER and CRITICAL JIRAs currently in open state will be >> > > implemented by 2.0 release time. Some MAJOR too, but it depends on >> > resource >> > > availability >> > > The former development branch (HBASE-7912) is obsolete and will be >> > > closed/deleted after the merge. >> > > We want backup to be a GA feature in 2.0 >> > > We are going to support full backward compatibility for backup tool in >> > 2.0 >> > > and onwards. >> > > >> > > **** Configuration >> > > >> > > Backup is disabled, by default. To enable it, the following >> configuration >> > > properties must be added to hbase-site.xml: >> > > >> > > hbase.backup.enable=true >> > > hbase.master.logcleaner.plugins=YOUR_PLUGINS,org. >> > > apache.hadoop.hbase.backup.master.BackupLogCleaner >> > > hbase.procedure.master.classes=YOUR_CLASSES,org. >> > > apache.hadoop.hbase.backup.master.LogRollMasterProcedureManager >> > > hbase.procedure.regionserver.classes=YOUR_CLASSES,org. >> > > apache.hadoop.hbase.backup.regionserver.LogRollRegionServerP >> rocedureMa >> > > nager >> > > >> > > >> > > I would like to thank IBM team and Jerry He for original work, >> > > >> > > Enis, Ted, Stack, Matteo, Jerry for time spent on code reviews >> > > >> > > Special thanks to Ted Yu for his co-development work. >> > > >> > > References: >> > > >> > > https://issues.apache.org/jira/browse/HBASE-7912 (original IBM, >> contains >> > > design doc) >> > > https://issues.apache.org/jira/browse/HBASE-14030 (Phase 1) >> > > https://issues.apache.org/jira/browse/HBASE-14123 (Phase 2) >> > > https://issues.apache.org/jira/browse/HBASE-14414 (Phase 3) >> > > >> > > Please vote +1/-1 by midnight Pacific Time (00:00 >> > > -0800 GMT) on March 11th on whether or not we should merge this into >> > the >> > > current master. >> > > >> > > -Vladimir Rodionov >> > > >> > >> > >
