[jira] [Commented] (HDFS-4960) Unnecessary .meta seeks even when skip checksum is true

[ https://issues.apache.org/jira/browse/HDFS-4960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13703810#comment-13703810 ] Varun Sharma commented on HDFS-4960: Actually, I am currently failing to max out the

[jira] [Commented] (HDFS-4960) Unnecessary .meta seeks even when skip checksum is true

[ https://issues.apache.org/jira/browse/HDFS-4960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13703840#comment-13703840 ] Varun Sharma commented on HDFS-4960: IIRC, I ran with 10K or something...

[jira] [Commented] (HDFS-4960) Unnecessary .meta seeks even when skip checksum is true

[ https://issues.apache.org/jira/browse/HDFS-4960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13702832#comment-13702832 ] Varun Sharma commented on HDFS-4960: I don't know about the future plans of .meta -

[jira] [Created] (HDFS-4960) Unnecessary .meta seeks even when skip checksum is true

Varun Sharma created HDFS-4960: -- Summary: Unnecessary .meta seeks even when skip checksum is true Key: HDFS-4960 URL: https://issues.apache.org/jira/browse/HDFS-4960 Project: Hadoop HDFS Issue

[jira] [Updated] (HDFS-4960) Unnecessary .meta seeks even when skip checksum is true

[ https://issues.apache.org/jira/browse/HDFS-4960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4960: --- Attachment: 4960-trunk.patch Unnecessary .meta seeks even when skip checksum is true

[jira] [Updated] (HDFS-4960) Unnecessary .meta seeks even when skip checksum is true

[ https://issues.apache.org/jira/browse/HDFS-4960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4960: --- Attachment: 4960-branch2.patch Unnecessary .meta seeks even when skip checksum is true

[jira] [Updated] (HDFS-4960) Unnecessary .meta seeks even when skip checksum is true

[ https://issues.apache.org/jira/browse/HDFS-4960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4960: --- Assignee: Varun Sharma Status: Patch Available (was: Open) Unnecessary .meta seeks even

[jira] [Updated] (HDFS-4960) Unnecessary .meta seeks even when skip checksum is true

[ https://issues.apache.org/jira/browse/HDFS-4960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4960: --- Issue Type: Bug (was: Improvement) Unnecessary .meta seeks even when skip checksum is true

[jira] [Commented] (HDFS-4960) Unnecessary .meta seeks even when skip checksum is true

[ https://issues.apache.org/jira/browse/HDFS-4960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701677#comment-13701677 ] Varun Sharma commented on HDFS-4960: Yep, that is how I confirmed it - strace now only

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13649155#comment-13649155 ] Varun Sharma commented on HDFS-4721: I think so... Speed up

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-branch2.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-trunk-v4.patch Speed up lease/block recovery when DN fails and a block goes

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: (was: 4721-hadoop2.patch) Speed up lease/block recovery when DN fails and a

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13641509#comment-13641509 ] Varun Sharma commented on HDFS-4721: [~szetszwo] Sorry, I traced this down to a bug in

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-trunk-v3.patch Speed up lease/block recovery when DN fails and a block goes

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13641884#comment-13641884 ] Varun Sharma commented on HDFS-4721: [~szetszwo] The tests are passing with the latest

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-trunk-v2.patch Speed up lease/block recovery when DN fails and a block goes

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13640619#comment-13640619 ] Varun Sharma commented on HDFS-4721: [~szetszwo] I had a question about lease recovery

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13641117#comment-13641117 ] Varun Sharma commented on HDFS-4721: Sure, I am checking on the unit tests. Okay, I

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13641135#comment-13641135 ] Varun Sharma commented on HDFS-4721: I dont think - if i grep the file name - all I

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13641221#comment-13641221 ] Varun Sharma commented on HDFS-4721: Here are the remainder messages - looking at it

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13641222#comment-13641222 ] Varun Sharma commented on HDFS-4721: One more thing, currently we do it this way: 1)

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13641237#comment-13641237 ] Varun Sharma commented on HDFS-4721: Sorry I mean the directory containing the File is

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13641275#comment-13641275 ] Varun Sharma commented on HDFS-4721: So there are three messages in the 1st log snippet

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13641276#comment-13641276 ] Varun Sharma commented on HDFS-4721: I have already pasted every single line for the

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-v5.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639225#comment-13639225 ] Varun Sharma commented on HDFS-4721: Thanks [~saint@gmail.com] I personally prefer

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639252#comment-13639252 ] Varun Sharma commented on HDFS-4721: [~nkeywal] From what I think we may really have a

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639330#comment-13639330 ] Varun Sharma commented on HDFS-4721: Yep, this patch does not fix that behaviour on the

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639342#comment-13639342 ] Varun Sharma commented on HDFS-4721: Yeah, I don't want to combine the NN and the DN

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639413#comment-13639413 ] Varun Sharma commented on HDFS-4721: Hi Nicholas, Thanks for your comments. My

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639438#comment-13639438 ] Varun Sharma commented on HDFS-4721: I have pasted the log above in the comments trail

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639629#comment-13639629 ] Varun Sharma commented on HDFS-4721: I think additional opinions from other HDFS

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639678#comment-13639678 ] Varun Sharma commented on HDFS-4721: Thanks ! [~szetszwo] I agree with all your

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-v6.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: (was: 4721-v6.patch) Speed up lease/block recovery when DN fails and a block

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-v6.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639862#comment-13639862 ] Varun Sharma commented on HDFS-4721: [~szetszwo] I just attached v6 with the changes

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-v7.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639909#comment-13639909 ] Varun Sharma commented on HDFS-4721: Fixed in v7 [~szetszwo] Speed up

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-v8.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639916#comment-13639916 ] Varun Sharma commented on HDFS-4721: Fixed some naming in v8. Thanks

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13639944#comment-13639944 ] Varun Sharma commented on HDFS-4721: Is this failing because its patching against trunk

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-trunk.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638125#comment-13638125 ] Varun Sharma commented on HDFS-4721: nicholas, Good point. I will create a patch which

[jira] [Commented] (HDFS-4724) Provide API for checking whether lease is recovered or not

[ https://issues.apache.org/jira/browse/HDFS-4724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638172#comment-13638172 ] Varun Sharma commented on HDFS-4724: I guess we still need a client side timeout.

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638457#comment-13638457 ] Varun Sharma commented on HDFS-4721: Attached v2 which does the following: 1)

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638569#comment-13638569 ] Varun Sharma commented on HDFS-4721: Hi Nicholas, Thanks for taking a look... In my

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-v3.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638578#comment-13638578 ] Varun Sharma commented on HDFS-4721: Hi Nicholas, I attached v3 which does that.

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638595#comment-13638595 ] Varun Sharma commented on HDFS-4721: Thanks Andrew for taking a look ! I just attached

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638614#comment-13638614 ] Varun Sharma commented on HDFS-4721: Yeah, so currently, we just try to avoid trying

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638679#comment-13638679 ] Varun Sharma commented on HDFS-4721: Hi Nicholas, I think thats a good point. Do you

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638694#comment-13638694 ] Varun Sharma commented on HDFS-4721: I think in 99 % of cases, when we see no heart

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-v4.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638723#comment-13638723 ] Varun Sharma commented on HDFS-4721: Attached patch v4... This one is a lot cleaner

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: (was: 4721-v4.patch) Speed up lease/block recovery when DN fails and a block

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-v4.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13638726#comment-13638726 ] Varun Sharma commented on HDFS-4721: Sorry, there was some issue with the previous

[jira] [Created] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

Varun Sharma created HDFS-4721: -- Summary: Speed up lease/block recovery when DN fails and a block goes into recovery Key: HDFS-4721 URL: https://issues.apache.org/jira/browse/HDFS-4721 Project: Hadoop

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13637611#comment-13637611 ] Varun Sharma commented on HDFS-4721: As a 2nd action item, it would also be nice to

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Attachment: 4721-hadoop2.patch Speed up lease/block recovery when DN fails and a block goes into

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13637698#comment-13637698 ] Varun Sharma commented on HDFS-4721: I attached a rough patch which a) Avoids a stale

[jira] [Updated] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Varun Sharma updated HDFS-4721: --- Fix Version/s: 2.0.4-alpha Status: Patch Available (was: Open) Speed up lease/block

[jira] [Commented] (HDFS-4721) Speed up lease/block recovery when DN fails and a block goes into recovery

[ https://issues.apache.org/jira/browse/HDFS-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13637743#comment-13637743 ] Varun Sharma commented on HDFS-4721: [~ted_yu] Thanks Ted ! I plan to have config

[jira] [Commented] (HDFS-3703) Decrease the datanode failure detection time

[ https://issues.apache.org/jira/browse/HDFS-3703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13636941#comment-13636941 ] Varun Sharma commented on HDFS-3703: I have a question. What happens if a client tries

[jira] [Commented] (HDFS-3703) Decrease the datanode failure detection time

[ https://issues.apache.org/jira/browse/HDFS-3703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13636959#comment-13636959 ] Varun Sharma commented on HDFS-3703: I actually am seeing an interesting race condition

[jira] [Commented] (HDFS-3703) Decrease the datanode failure detection time

[ https://issues.apache.org/jira/browse/HDFS-3703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13636998#comment-13636998 ] Varun Sharma commented on HDFS-3703: Do you know if for a block which is not FINALIZED

[jira] [Commented] (HDFS-3703) Decrease the datanode failure detection time

[ https://issues.apache.org/jira/browse/HDFS-3703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13637072#comment-13637072 ] Varun Sharma commented on HDFS-3703: Thanks, Jing.. This holds for UNDER_RECOVERY