[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-08-01 Thread Andrew Purtell (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402468#comment-15402468 ] Andrew Purtell commented on HBASE-16296: The client view of the scanning result i

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-08-01 Thread Andrew Purtell (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402234#comment-15402234 ] Andrew Purtell commented on HBASE-16296: I also agree this is a bug fix, not anot

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-08-01 Thread Sean Busbey (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402223#comment-15402223 ] Sean Busbey commented on HBASE-16296: - sounds good to me. > Reverse scan performance

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-08-01 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402205#comment-15402205 ] Lars Hofhansl commented on HBASE-16296: --- The key point of my message is that {{new

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-08-01 Thread Sean Busbey (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402154#comment-15402154 ] Sean Busbey commented on HBASE-16296: - (speaking wrt a 1.2.z fix) > Reverse scan per

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-08-01 Thread Sean Busbey (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402152#comment-15402152 ] Sean Busbey commented on HBASE-16296: - I'd rather a release note / known issue callin

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-08-01 Thread Ted Yu (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401778#comment-15401778 ] Ted Yu commented on HBASE-16296: w.r.t. the location where isFilterDoneInternal() is call

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-08-01 Thread ramkrishna.s.vasudevan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401664#comment-15401664 ] ramkrishna.s.vasudevan commented on HBASE-16296: Just created https://iss

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-08-01 Thread ramkrishna.s.vasudevan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401661#comment-15401661 ] ramkrishna.s.vasudevan commented on HBASE-16296: Pls see this comment ht

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-08-01 Thread Ted Yu (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401655#comment-15401655 ] Ted Yu commented on HBASE-16296: In repro-snippet, I only see PageFilter. Not sure if Fil

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-31 Thread ramkrishna.s.vasudevan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401538#comment-15401538 ] ramkrishna.s.vasudevan commented on HBASE-16296: {code} if (isFilt

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-31 Thread ramkrishna.s.vasudevan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401483#comment-15401483 ] ramkrishna.s.vasudevan commented on HBASE-16296: bq. is the scenario you

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-31 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401427#comment-15401427 ] Lars Hofhansl commented on HBASE-16296: --- I will still maintain that the FilterList

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-31 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401420#comment-15401420 ] Lars Hofhansl commented on HBASE-16296: --- One would have to analyze the code to see

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-31 Thread Ted Yu (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401409#comment-15401409 ] Ted Yu commented on HBASE-16296: As Lars acknowledged, since his patch did change the beh

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-31 Thread Andrew Purtell (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401251#comment-15401251 ] Andrew Purtell commented on HBASE-16296: I will read the relevant code when back

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-31 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401162#comment-15401162 ] Lars Hofhansl commented on HBASE-16296: --- Actually {{WhileMatchFilter}} is used in {

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-31 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401160#comment-15401160 ] Lars Hofhansl commented on HBASE-16296: --- {{SkipFilter}} does not implement {{filter

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-31 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401158#comment-15401158 ] Lars Hofhansl commented on HBASE-16296: --- Yeah... That's what I wanted to start the

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-30 Thread Ted Yu (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15400649#comment-15400649 ] Ted Yu commented on HBASE-16296: w.r.t. Lars' patch, isn't the following change of behavi

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-30 Thread Ted Yu (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15400645#comment-15400645 ] Ted Yu commented on HBASE-16296: Is there any case involving SkipFilter or whileMatchFilt

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-29 Thread ramkrishna.s.vasudevan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15400429#comment-15400429 ] ramkrishna.s.vasudevan commented on HBASE-16296: Will this be right for S

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-29 Thread Ted Yu (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15400164#comment-15400164 ] Ted Yu commented on HBASE-16296: I wonder if the following change would help : {code} dif

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-29 Thread Ted Yu (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15400063#comment-15400063 ] Ted Yu commented on HBASE-16296: The FilterList involves not only PageFilter but also Whi

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-29 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15399320#comment-15399320 ] Lars Hofhansl commented on HBASE-16296: --- Even TestFilterList is confusing: {code}

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-29 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15399258#comment-15399258 ] Lars Hofhansl commented on HBASE-16296: --- While I'm still at the airport waiting for

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-29 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15399246#comment-15399246 ] Lars Hofhansl commented on HBASE-16296: --- Thanks [~ram_krish], please feel free to w

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-29 Thread ramkrishna.s.vasudevan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15399060#comment-15399060 ] ramkrishna.s.vasudevan commented on HBASE-16296: [~lhofhansl] Sorry for a

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-29 Thread ramkrishna.s.vasudevan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15399058#comment-15399058 ] ramkrishna.s.vasudevan commented on HBASE-16296: I think I figured out th

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread ramkrishna.s.vasudevan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398805#comment-15398805 ] ramkrishna.s.vasudevan commented on HBASE-16296: bq.Am not able to see an

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Anoop Sam John (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398798#comment-15398798 ] Anoop Sam John commented on HBASE-16296: FilterList is created with Operator.MUST

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Hudson (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398485#comment-15398485 ] Hudson commented on HBASE-16296: SUCCESS: Integrated in Phoenix-master #1346 (See [https

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread churro morales (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398300#comment-15398300 ] churro morales commented on HBASE-16296: yes putting the page filter in a filter

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398242#comment-15398242 ] Lars Hofhansl commented on HBASE-16296: --- Yeah, can easily repro this now. Will be t

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread James Taylor (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398156#comment-15398156 ] James Taylor commented on HBASE-16296: -- Sorry - had no idea that the FilterList with

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Mujtaba Chohan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398144#comment-15398144 ] Mujtaba Chohan commented on HBASE-16296: Yes so far only found this to be an issu

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398138#comment-15398138 ] Lars Hofhansl commented on HBASE-16296: --- This is terrible. Happens only with revers

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398133#comment-15398133 ] Lars Hofhansl commented on HBASE-16296: --- Ahh... So this really just happens with a

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Mujtaba Chohan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398123#comment-15398123 ] Mujtaba Chohan commented on HBASE-16296: [~larsh] please check with the following

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Mujtaba Chohan (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398112#comment-15398112 ] Mujtaba Chohan commented on HBASE-16296: There is a significant different (30+ se

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398097#comment-15398097 ] Lars Hofhansl commented on HBASE-16296: --- Just deleted that comment. :) I added a lo

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread James Taylor (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398092#comment-15398092 ] James Taylor commented on HBASE-16296: -- Yes, that sounds like you're able to repro n

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread James Taylor (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398091#comment-15398091 ] James Taylor commented on HBASE-16296: -- [~mujtabachohan] - what version of HBase wer

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398086#comment-15398086 ] Lars Hofhansl commented on HBASE-16296: --- OK. I find it about 10ms, unless I set the

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398057#comment-15398057 ] Lars Hofhansl commented on HBASE-16296: --- I see no difference in speed whether I set

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-28 Thread Lars Hofhansl (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398048#comment-15398048 ] Lars Hofhansl commented on HBASE-16296: --- Which version of HBase is this against? I

[jira] [Commented] (HBASE-16296) Reverse scan performance degrades when scanner cache size matches page filter size

2016-07-27 Thread James Taylor (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-16296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15396750#comment-15396750 ] James Taylor commented on HBASE-16296: -- To setup, follow the directions in generated