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https://issues.apache.org/jira/browse/SPARK-18298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15645220#comment-15645220
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Alex Bozarth commented on SPARK-18298:
--------------------------------------
I'm not sure what problem are you seeing, because dates are just stored as
longs.
Is it?
1. Dates displayed are being translated from local time to GMT (Times are
correct, just wrong timezone)
2. Dates are showing local time but claimed as GMT (the actual stored time
would be incorrect in this case, since the longs are always GMT)
If its number two then it's a bug we should fix, if it's 1 then that would be a
feature request to support timezones in the History Server.
> HistoryServer use GMT time all time
> -----------------------------------
>
> Key: SPARK-18298
> URL: https://issues.apache.org/jira/browse/SPARK-18298
> Project: Spark
> Issue Type: Bug
> Components: Web UI
> Affects Versions: 2.0.0, 2.0.1
> Environment: suse 11.3 with CST time
> Reporter: Tao Wang
>
> When I started HistoryServer for reading event logs, the timestamp readed
> will be parsed using local timezone like "CST"(confirmed via debug).
> But the time related columns like "Started"/"Completed"/"Last Updated" in
> History Server UI using "GMT" time, which is 8 hours earlier than "CST".
> {quote}
> App ID App Name Started Completed Duration Spark
> User Last Updated Event Log
> local-1478225166651 Spark shell 2016-11-04 02:06:06 2016-11-07
> 01:33:30 71.5 h root 2016-11-07 01:33:30
> {quote}
> I've checked the REST api and found the result like:
> {color:red}
> [ {
> "id" : "local-1478225166651",
> "name" : "Spark shell",
> "attempts" : [ {
> "startTime" : "2016-11-04T02:06:06.020GMT",
> "endTime" : "2016-11-07T01:33:30.265GMT",
> "lastUpdated" : "2016-11-07T01:33:30.000GMT",
> "duration" : 257244245,
> "sparkUser" : "root",
> "completed" : true,
> "lastUpdatedEpoch" : 1478482410000,
> "endTimeEpoch" : 1478482410265,
> "startTimeEpoch" : 1478225166020
> } ]
> }, {
> "id" : "local-1478224925869",
> "name" : "Spark Pi",
> "attempts" : [ {
> "startTime" : "2016-11-04T02:02:02.133GMT",
> "endTime" : "2016-11-04T02:02:07.468GMT",
> "lastUpdated" : "2016-11-04T02:02:07.000GMT",
> "duration" : 5335,
> "sparkUser" : "root",
> "completed" : true,
> ...
> {color}
> So maybe the change happened in transferring between server and browser? I
> have no idea where to go from this point.
> Hope guys can offer some help, or just fix it if it's easy? :)
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