[jira] [Created] (HBASE-16857) RateLimiter may fails during parallel scan execution

2016-10-16 Thread Sergey Soldatov (JIRA)
Sergey Soldatov created HBASE-16857: --- Summary: RateLimiter may fails during parallel scan execution Key: HBASE-16857 URL: https://issues.apache.org/jira/browse/HBASE-16857 Project: HBase Is

Re: Why HBase scan HFile first, before scan memstore?

2016-10-16 Thread Xi Yang
Great explanation. And thank you for your patiently! Thanks. Alex 2016-10-16 23:34 GMT-07:00 ramkrishna vasudevan < ramkrishna.s.vasude...@gmail.com>: > Yes you are right. You can see the code after the list of scanners are > formed. They are all collected in a KeyValueHeap. > Pls note that mems

Re: Why HBase scan HFile first, before scan memstore?

2016-10-16 Thread ramkrishna vasudevan
Yes you are right. You can see the code after the list of scanners are formed. They are all collected in a KeyValueHeap. Pls note that memstore is not a cache, it is only a data structure where the data is first written and subsequently gets flushed into files. So the data you read may or may not r

Re: Why HBase scan HFile first, before scan memstore?

2016-10-16 Thread Xi Yang
Got it. So you mean, actually, the result HBase return to user is from the Heap. And the scanners' jobs are collecting data into that Heap. So the order of how to arrange HFile scanners and memstore scanner is not a big deal? Thanks, Alex 2016-10-16 23:04 GMT-07:00 Anoop John : > Over all these

[jira] [Created] (HBASE-16856) Exception message in SyncRunner.run() should print currentSequence but syncFutureSequence

2016-10-16 Thread Allan Yang (JIRA)
Allan Yang created HBASE-16856: -- Summary: Exception message in SyncRunner.run() should print currentSequence but syncFutureSequence Key: HBASE-16856 URL: https://issues.apache.org/jira/browse/HBASE-16856

Re: Why HBase scan HFile first, before scan memstore?

2016-10-16 Thread Anoop John
Over all these scanners we will be creating a Heap. (See in StoreScanner where we make KeyValueHeap). Out of this cells come in their key order. So said that, we will be opening and seeking to all scanners and get cur cells from all.. Based on the comparator result of all these cells emerge out

Why HBase scan HFile first, before scan memstore?

2016-10-16 Thread Xi Yang
I found codes in HStore.java List sfScanners = StoreFileScanner.getScannersForStoreFiles(files, cacheBlocks, usePread, isCompaction, false, matcher, readPt, isPrimaryReplicaStore()); List scanners = new ArrayList(sfScanners.size() + 1); scanners.addAll(sfScanners); // Then the me

[jira] [Created] (HBASE-16855) Avoid NPE in MetricsConnection’s construction

2016-10-16 Thread ChiaPing Tsai (JIRA)
ChiaPing Tsai created HBASE-16855: - Summary: Avoid NPE in MetricsConnection’s construction Key: HBASE-16855 URL: https://issues.apache.org/jira/browse/HBASE-16855 Project: HBase Issue Type: B

Re: [ANNOUNCE] Stephen Yuan Jiang joins Apache HBase PMC

2016-10-16 Thread 张铎
Congratulations! 2016-10-17 9:07 GMT+08:00 Heng Chen : > Congrats! :) > > 2016-10-16 8:19 GMT+08:00 Jerry He : > > Congratulations, Stephen. > > > > Jerry > > > > On Fri, Oct 14, 2016 at 12:56 PM, Dima Spivak > wrote: > > > >> Congrats, Stephen! > >> > >> -Dima > >> > >> On Fri, Oct 14, 2016 at

Re: [ANNOUNCE] Stephen Yuan Jiang joins Apache HBase PMC

2016-10-16 Thread Heng Chen
Congrats! :) 2016-10-16 8:19 GMT+08:00 Jerry He : > Congratulations, Stephen. > > Jerry > > On Fri, Oct 14, 2016 at 12:56 PM, Dima Spivak wrote: > >> Congrats, Stephen! >> >> -Dima >> >> On Fri, Oct 14, 2016 at 11:27 AM, Enis Söztutar wrote: >> >> > On behalf of the Apache HBase PMC, I am happy

[jira] [Created] (HBASE-16854) refactor the org.apache.hadoop.hbase.client.Action

2016-10-16 Thread ChiaPing Tsai (JIRA)
ChiaPing Tsai created HBASE-16854: - Summary: refactor the org.apache.hadoop.hbase.client.Action Key: HBASE-16854 URL: https://issues.apache.org/jira/browse/HBASE-16854 Project: HBase Issue Ty

Successful: HBase Generate Website

2016-10-16 Thread Apache Jenkins Server
Build status: Successful If successful, the website and docs have been generated. To update the live site, follow the instructions below. If failed, skip to the bottom of this email. Use the following commands to download the patch and apply it to a clean branch based on origin/asf-site. If yo

[jira] [Created] (HBASE-16853) Regions are assigned to Region Servers in /hbase/draining after HBase Master failover

2016-10-16 Thread David Pope (JIRA)
David Pope created HBASE-16853: -- Summary: Regions are assigned to Region Servers in /hbase/draining after HBase Master failover Key: HBASE-16853 URL: https://issues.apache.org/jira/browse/HBASE-16853 Pro

[jira] [Created] (HBASE-16852) TestDefaultCompactSelection failed on branch-1.3

2016-10-16 Thread Mikhail Antonov (JIRA)
Mikhail Antonov created HBASE-16852: --- Summary: TestDefaultCompactSelection failed on branch-1.3 Key: HBASE-16852 URL: https://issues.apache.org/jira/browse/HBASE-16852 Project: HBase Issue