[jira] [Commented] (BOOKKEEPER-928) Add custom client supplied metadata field to LedgerMetadata

2016-06-03 Thread Rithin Shetty (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15315131#comment-15315131 ] Rithin Shetty commented on BOOKKEEPER-928: -- Here is the link to the github re

[jira] [Commented] (BOOKKEEPER-928) Add custom client supplied metadata field to LedgerMetadata

2016-06-03 Thread Rithin Shetty (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15314453#comment-15314453 ] Rithin Shetty commented on BOOKKEEPER-928: -- Yes, I can share my workspace. I'

Re: Improve Write performance with Relax durability.

2016-06-03 Thread Venkateswara Rao Jujjuri
@sijie let me expand what I mean by " this changes something fundamental " Everything starts that we are not persisting. Also I share lot of the points raised by @Matteo. - In theory, we could loose all copies of EntryId X but persist EntryId X+Y. How does reads,replication, consistency cope up

[jira] [Commented] (BOOKKEEPER-928) Add custom client supplied metadata field to LedgerMetadata

2016-06-03 Thread Enrico Olivelli (JIRA)
[ https://issues.apache.org/jira/browse/BOOKKEEPER-928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15313967#comment-15313967 ] Enrico Olivelli commented on BOOKKEEPER-928: Are you going to add a generi

Re: Improve Write performance with Relax durability.

2016-06-03 Thread Matteo Merli
I was interested in trying something in this area, but never actually got to do it. A few random notes: 1. My suspicion, with no backing data at this point, is that simply skipping the fsync for "non-durable" ledgers might not give a big improvement, just a bit less latency for non-fsynce