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Todd Lipcon commented on HDFS-1623:
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Good point about upgrade failover. I think for the f
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Todd Lipcon commented on HDFS-2949:
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Yep, this is not supposed to solve issues, just to p
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Todd Lipcon commented on HDFS-2949:
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I think we should probably un-document the transitio
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Todd Lipcon commented on HDFS-1623:
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Hi Mingjie,
Yes, the first cut doesn't include auto
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Todd Lipcon commented on HDFS-2934:
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Ran all the HA tests with this change and they passe
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Todd Lipcon commented on HDFS-2948:
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exception from the jenkins build:
{code|
java.lang.N
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Todd Lipcon commented on HDFS-2815:
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Oops, sorry, I phrased that poorly (I agree that HDF
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Todd Lipcon commented on HDFS-2506:
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Can this be marked resolved?
> Umbr
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Todd Lipcon commented on HDFS-2935:
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Combined with HDFS-2934, one could do either.
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Todd Lipcon commented on HDFS-2934:
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The shared edits dir, for example, might be {{/filer
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Todd Lipcon commented on HDFS-2917:
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k, +1 with the typo fixed
> HA: haa
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Todd Lipcon commented on HDFS-2920:
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I'm going to work on this, and also address a few ot
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Todd Lipcon commented on HDFS-2781:
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There's some interaction with fencing, here, though.
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Todd Lipcon commented on HDFS-2909:
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{quote}
Say everything is healthy and FSImage.rollEd
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Todd Lipcon commented on HDFS-2865:
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Hi Hari. I'd like to close this as invalid, since it
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Todd Lipcon commented on HDFS-2866:
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Hi Hari. Is this issue still valid? If not can we cl
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Todd Lipcon commented on HDFS-1623:
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Hey Konstantin. What specific performance tests woul
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Todd Lipcon commented on HDFS-2510:
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Sorry, missed the comment above:
{quote}
Similarly,
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Todd Lipcon commented on HDFS-2917:
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I think consistency with the other administrative op
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Todd Lipcon commented on HDFS-2922:
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+1
> HA: close out operation catego
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Todd Lipcon commented on HDFS-2579:
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Hi Jitendra. I considered using tryLock with a timeo
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Todd Lipcon commented on HDFS-2922:
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setBalancerBandwidth (a somewhat bizarre RPC) would
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Todd Lipcon commented on HDFS-2911:
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OK, you've convinced me :)
> Gracef
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Todd Lipcon commented on HDFS-2911:
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We could simply recommend the following for the java
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Todd Lipcon commented on HDFS-2912:
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I think the issue is this -- previously the abort lo
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Todd Lipcon commented on HDFS-2910:
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In order to make the NN ride over a hiccup, it seems
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Todd Lipcon commented on HDFS-2912:
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In log4j, LOG.fatal doesn't actually terminate the N
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Todd Lipcon commented on HDFS-2579:
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We've found one bug during stress testing - there's
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Todd Lipcon commented on HDFS-2910:
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We should just do a hard exit here -- upon restart o
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Todd Lipcon commented on HDFS-2913:
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Currently it is meant to do a "fail fast" shutdown -
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Todd Lipcon commented on HDFS-2510:
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{code}
+ public long getMillisSinceLastLoadedEdits(
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Todd Lipcon commented on HDFS-2911:
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One option we use in HBase is to set the JVM to kill
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Todd Lipcon commented on HDFS-2839:
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One possibility we'd discussed last year is to use D
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Todd Lipcon commented on HDFS-2909:
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It seems that, when rollEditLogs fails in the shared
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Todd Lipcon commented on HDFS-2905:
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Can you add a unit test for this in TestFileJournalM
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Todd Lipcon commented on HDFS-2905:
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Probably just need to replace currentDir.listFiles()
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Todd Lipcon commented on HDFS-2586:
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Did you mean for the changes to the NodeType enum to
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Todd Lipcon commented on HDFS-2781:
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I think if you were continuously writing to the acti
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Todd Lipcon commented on HDFS-2794:
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I intend to commit this later this afternoon unless
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Todd Lipcon commented on HDFS-2794:
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I thought a bit about that, but it would require ano
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Todd Lipcon commented on HDFS-2781:
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Currently, if the shared edits goes away, we don't d
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Todd Lipcon commented on HDFS-2733:
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+1, lgtm.
> Document HA configurati
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Todd Lipcon commented on HDFS-2794:
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Changed the description to:
{quote}
The number of
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Todd Lipcon commented on HDFS-2782:
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Been thinking about this a bit... I don't think it's
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Todd Lipcon commented on HDFS-2752:
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The other issue is that, in order to support multipl
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Todd Lipcon commented on HDFS-2733:
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- "In the event of an unplanned event" could be word
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Todd Lipcon commented on HDFS-2901:
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Hi Brandon. Since you already have HDFS-2830 assigne
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Todd Lipcon commented on HDFS-2819:
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+1
> Document new HA-related config
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Todd Lipcon commented on HDFS-2894:
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+1
> HA: automatically determine th
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Todd Lipcon commented on HDFS-2819:
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{code}
+often the logs are rolled. Note that fai
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Todd Lipcon commented on HDFS-2752:
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Just one nit: you can remove the following empty jav
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Todd Lipcon commented on HDFS-2894:
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- Did you test the non-HA federated config as well?
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Todd Lipcon commented on HDFS-2893:
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In the HA case, where we don't want to start any 2NN
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Todd Lipcon commented on HDFS-2794:
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Attached patch adds a new configuration, dfs.namenod
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Todd Lipcon commented on HDFS-2579:
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Spent the afternoon working on this. Here's the diag
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Todd Lipcon commented on HDFS-2792:
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+1
> HA: Make fsck work
> -
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Todd Lipcon commented on HDFS-2890:
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lgtm, +1
> HA: DFSUtil#getSuffixIDs
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Todd Lipcon commented on HDFS-2808:
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typo:
+// No namepsace ID was given and more
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Todd Lipcon commented on HDFS-2792:
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You've still got a bunch of changes in DFSUtil?
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Todd Lipcon commented on HDFS-2890:
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Want to also include the other change you add, where
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Todd Lipcon commented on HDFS-2874:
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I ran two manual tests using mdadm fault injection:
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Todd Lipcon commented on HDFS-2874:
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It should restart from 101 since, when it starts up,
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Todd Lipcon commented on HDFS-2792:
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- Can you move the changes in DFSUtil to another pat
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Todd Lipcon commented on HDFS-2874:
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I ran all the tests which reference EditLog and they
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Todd Lipcon commented on HDFS-2379:
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I'm currently pretty slammed with work on the HA bra
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Todd Lipcon commented on HDFS-2808:
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- I think we do have to push the idea of the "namese
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Todd Lipcon commented on HDFS-2718:
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No major issues, but this is fairly critical code an
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Todd Lipcon commented on HDFS-2718:
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Looking at what was committed to trunk, I found a co
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Todd Lipcon commented on HDFS-2877:
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No, because on a local disk, if the process crashes,
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Todd Lipcon commented on HDFS-2874:
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bq. Adding any type of write ordering to edit log up
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Todd Lipcon commented on HDFS-2877:
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Uma's got it -- the RandomAccessFile constructor wil
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Todd Lipcon commented on HDFS-2874:
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Yes, we could certainly attach a priority level to e
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Todd Lipcon commented on HDFS-2865:
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Oh, I meant to attach that to HDFS-2877... sorry, wi
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Todd Lipcon commented on HDFS-2876:
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I vote we just move these "unit" tests back into the
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Todd Lipcon commented on HDFS-2859:
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bq. A general question I have is whether it is ok fo
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Todd Lipcon commented on HDFS-2861:
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I ran the tests before commit and realized this need
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Todd Lipcon commented on HDFS-2866:
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Assuming /homes/hortonha is NFS-mounted (makes sense
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Todd Lipcon commented on HDFS-2865:
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If you have both NNs pointing to the same name dir,
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Todd Lipcon commented on HDFS-2865:
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Can you please include your configuration snippet fo
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Todd Lipcon commented on HDFS-2288:
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Sorry to have left this ticket idle for such a long
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Todd Lipcon commented on HDFS-2866:
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One possibility I can imagine is that, if the NN wri
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Todd Lipcon commented on HDFS-2742:
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Here's an explanation of why this is still important
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https://issues.apache.org/jira/browse/HDFS-2856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196680#comment-13196680
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Todd Lipcon commented on HDFS-2856:
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We do already wait for a BlockOpResponseProto before
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https://issues.apache.org/jira/browse/HDFS-2824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196490#comment-13196490
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Todd Lipcon commented on HDFS-2824:
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+1, thanks for the explanation
> HA
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https://issues.apache.org/jira/browse/HDFS-2824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196387#comment-13196387
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Todd Lipcon commented on HDFS-2824:
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- Please add INFO or WARN level logs anywhere you de
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https://issues.apache.org/jira/browse/HDFS-2856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196376#comment-13196376
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Todd Lipcon commented on HDFS-2856:
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Or handshake at the beginning of a write -- we alrea
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https://issues.apache.org/jira/browse/HDFS-2742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196301#comment-13196301
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Todd Lipcon commented on HDFS-2742:
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Sanjay makes a good point above about this being les
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https://issues.apache.org/jira/browse/HDFS-2691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196300#comment-13196300
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Todd Lipcon commented on HDFS-2691:
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oops -- the above comment was meant for HDFS-2742. P
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https://issues.apache.org/jira/browse/HDFS-2691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196280#comment-13196280
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Todd Lipcon commented on HDFS-2691:
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Sanjay makes a good point above about this being les
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https://issues.apache.org/jira/browse/HDFS-2779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195837#comment-13195837
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Todd Lipcon commented on HDFS-2779:
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Hi Suresh, I think this is handled by HDFS-2691, rig
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https://issues.apache.org/jira/browse/HDFS-2841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195835#comment-13195835
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Todd Lipcon commented on HDFS-2841:
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+1
> HA: HAAdmin does not work if s
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https://issues.apache.org/jira/browse/HDFS-2759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195092#comment-13195092
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Todd Lipcon commented on HDFS-2759:
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bq. The explanation, per the comment, is that syncin
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https://issues.apache.org/jira/browse/HDFS-2791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195086#comment-13195086
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Todd Lipcon commented on HDFS-2791:
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bq. I am coming to the conclusion that when a NN as
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https://issues.apache.org/jira/browse/HDFS-2759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195074#comment-13195074
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Todd Lipcon commented on HDFS-2759:
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This seems reasonable. I remember you ran a benchmar
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https://issues.apache.org/jira/browse/HDFS-2844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194871#comment-13194871
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Todd Lipcon commented on HDFS-2844:
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Sorry, I mentioned this in HDFS-2742:
https://issue
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https://issues.apache.org/jira/browse/HDFS-2830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194866#comment-13194866
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Todd Lipcon commented on HDFS-2830:
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HDFS-2845 points out that we should remove the "brow
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https://issues.apache.org/jira/browse/HDFS-2847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194863#comment-13194863
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Todd Lipcon commented on HDFS-2847:
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+1 pending Jenkins results
> Nameno
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https://issues.apache.org/jira/browse/HDFS-2825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194857#comment-13194857
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Todd Lipcon commented on HDFS-2825:
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Yes, for create/append
> Add test h
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https://issues.apache.org/jira/browse/HDFS-2825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194436#comment-13194436
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Todd Lipcon commented on HDFS-2825:
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Maybe we should open a new JIRA to do this as a clie
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https://issues.apache.org/jira/browse/HDFS-2839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13192842#comment-13192842
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Todd Lipcon commented on HDFS-2839:
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For #1 above, you could configure the "logical URI"
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