[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16905359#comment-16905359 ] Wei-Chiu Chuang commented on HDFS-13873: [~xkrogen] [~shv] this commit is now in branch-2. It 

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16720660#comment-16720660 ] Erik Krogen commented on HDFS-13873: +1 LGTM. Just committed based off of v004 Jenkins run given that

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16719748#comment-16719748 ] Hadoop QA commented on HDFS-13873: -- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16719539#comment-16719539 ] Erik Krogen commented on HDFS-13873: The logic seems fine to me now that the exception handling has

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16718465#comment-16718465 ] Hadoop QA commented on HDFS-13873: -- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16718354#comment-16718354 ] Konstantin Shvachko commented on HDFS-13873: Slightly modified patch. # Fixed exception

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16718115#comment-16718115 ] Hadoop QA commented on HDFS-13873: -- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16717750#comment-16717750 ] Chen Liang commented on HDFS-13873: --- I guess there are (at least) two directions: estimate-based and

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16717689#comment-16717689 ] Chao Sun commented on HDFS-13873: - I'm thinking whether we can just try the simplest thing: a time

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16717580#comment-16717580 ] Erik Krogen commented on HDFS-13873: I like your logic, [~shv], but I think it could still result in

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16715942#comment-16715942 ] Konstantin Shvachko commented on HDFS-13873: I simplest solution would be to assume that

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16626547#comment-16626547 ] Chen Liang commented on HDFS-13873: --- Update here for reference: Synced offline with Konstantin. Seems

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16626489#comment-16626489 ] Konstantin Shvachko commented on HDFS-13873: So the main idea is to come up with an estimate

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16622948#comment-16622948 ] Chen Liang commented on HDFS-13873: --- Thanks [~csun]! I had some thoughts on this, sharing here for

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16622716#comment-16622716 ] Chao Sun commented on HDFS-13873: - [~vagarychen]: feel free to take it - I was waiting for HDFS-13749 to

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16622645#comment-16622645 ] Chen Liang commented on HDFS-13873: --- [~csun] any updates/plans for this? I saw you are busy with two

[jira] [Commented] (HDFS-13873) ObserverNode should reject read requests when it is too far behind.

[ https://issues.apache.org/jira/browse/HDFS-13873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16598379#comment-16598379 ] Chao Sun commented on HDFS-13873: - I'll grab this one since we've implemented the same logic internally