[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-22 Thread Flavio Junqueira (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14903500#comment-14903500 ] Flavio Junqueira commented on BOOKKEEPER-874: - [~jujjuri] that's a good id

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-23 Thread Sijie Guo (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14904097#comment-14904097 ] Sijie Guo commented on BOOKKEEPER-874: -- it is non-trivial to do that right now. b

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-23 Thread Venkateswararao Jujjuri (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14904510#comment-14904510 ] Venkateswararao Jujjuri commented on BOOKKEEPER-874: alternatively

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-23 Thread Flavio Junqueira (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14904669#comment-14904669 ] Flavio Junqueira commented on BOOKKEEPER-874: - What if we use a LAC cache

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-23 Thread Flavio Junqueira (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14904675#comment-14904675 ] Flavio Junqueira commented on BOOKKEEPER-874: - bq. Can't we update LAC of

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-23 Thread Flavio Junqueira (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14904759#comment-14904759 ] Flavio Junqueira commented on BOOKKEEPER-874: - bq. Are you worried about t

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-23 Thread Sijie Guo (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14904818#comment-14904818 ] Sijie Guo commented on BOOKKEEPER-874: -- {quote} >>Can't we update LAC of the

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-23 Thread Flavio Junqueira (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14904821#comment-14904821 ] Flavio Junqueira commented on BOOKKEEPER-874: - bq. an entry is digested wi

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-23 Thread Venkateswararao Jujjuri (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14904846#comment-14904846 ] Venkateswararao Jujjuri commented on BOOKKEEPER-874: This sounds l

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-10-22 Thread Venkateswararao Jujjuri (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14969481#comment-14969481 ] Venkateswararao Jujjuri commented on BOOKKEEPER-874: Finally I sta

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-10-23 Thread Sijie Guo (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14972237#comment-14972237 ] Sijie Guo commented on BOOKKEEPER-874: -- I'd suggest a different type of request/r

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-10-24 Thread Venkateswararao Jujjuri (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14972708#comment-14972708 ] Venkateswararao Jujjuri commented on BOOKKEEPER-874: Sijie, I woul

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-10-28 Thread Venkateswararao Jujjuri (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14979063#comment-14979063 ] Venkateswararao Jujjuri commented on BOOKKEEPER-874: Looks like we

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-10-28 Thread Sijie Guo (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14979181#comment-14979181 ] Sijie Guo commented on BOOKKEEPER-874: -- for read lac, in BOOKKEEPER-670, we are g

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-10-28 Thread Sijie Guo (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14979184#comment-14979184 ] Sijie Guo commented on BOOKKEEPER-874: -- >> This may not be very good for the netw

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-11-18 Thread Venkateswararao Jujjuri (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15012264#comment-15012264 ] Venkateswararao Jujjuri commented on BOOKKEEPER-874: How about thi

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2016-12-09 Thread ASF GitHub Bot (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15736442#comment-15736442 ] ASF GitHub Bot commented on BOOKKEEPER-874: --- GitHub user reddycharan opened

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2016-12-13 Thread ASF GitHub Bot (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15747191#comment-15747191 ] ASF GitHub Bot commented on BOOKKEEPER-874: --- Github user jvrao commented on

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2016-12-14 Thread ASF GitHub Bot (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15749189#comment-15749189 ] ASF GitHub Bot commented on BOOKKEEPER-874: --- Github user sijie commented on

[jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2016-12-22 Thread ASF GitHub Bot (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15771149#comment-15771149 ] ASF GitHub Bot commented on BOOKKEEPER-874: --- Github user reddycharan comment

Re: [jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-23 Thread Venkateswara Rao Jujjuri
Sijie, > it is non-trivial to do that right now. because bookies don't store LAC out side of entries. > to support this, we might need to ledger storage to store LAC somewhere. Can't we update LAC of the last entry in place on bookies? Does this violate any BookKeeper's principles? Thanks, JV O

Re: [jira] [Commented] (BOOKKEEPER-874) Explict LAC from Writer to Bookies

2015-09-23 Thread Venkateswara Rao Jujjuri
Flavio, Thanks for your quick response. > bq. alternatively reader may try to read ack quorum reads for LAC+1 > yeah, that isn't really safe. Are you worried about the case where reader may read ahead of writer got Acks and crashes before returning to the user? I agree this solution does have t