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https://issues.apache.org/jira/browse/SPARK-18085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16141091#comment-16141091
 ] 

jincheng commented on SPARK-18085:
----------------------------------

it is really a good idea to speed up history server with levelDB.  I met a 
problem with following exception.

{code:java}
java.lang.IndexOutOfBoundsException: Page 1 is out of range. Please select a 
page number between 1 and 0.
    at org.apache.spark.ui.PagedDataSource.pageData(PagedTable.scala:56)
    at org.apache.spark.ui.PagedTable$class.table(PagedTable.scala:108)
    at org.apache.spark.ui.jobs.TaskPagedTable.table(StagePage.scala:703)
    at org.apache.spark.ui.jobs.StagePage.liftedTree1$1(StagePage.scala:296)
    at org.apache.spark.ui.jobs.StagePage.render(StagePage.scala:285)
    at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:82)
    at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:82)
    at org.apache.spark.ui.JettyUtils$$anon$3.doGet(JettyUtils.scala:88)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    at 
org.spark_project.jetty.servlet.ServletHolder.handle(ServletHolder.java:845)
    at 
org.spark_project.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1689)
    at 
org.apache.spark.deploy.history.ApplicationCacheCheckFilter.doFilter(ApplicationCache.scala:438)
    at 
org.spark_project.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1676)
    at 
org.spark_project.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)
    at 
org.spark_project.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
    at 
org.spark_project.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)
    at 
org.spark_project.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
    at 
org.spark_project.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    at 
org.spark_project.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
    at 
org.spark_project.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
    at org.spark_project.jetty.server.Server.handle(Server.java:524)
    at org.spark_project.jetty.server.HttpChannel.handle(HttpChannel.java:319)
    at 
org.spark_project.jetty.server.HttpConnection.onFillable(HttpConnection.java:253)
    at 
org.spark_project.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
    at org.spark_project.jetty.io.FillInterest.fillable(FillInterest.java:95)
    at 
org.spark_project.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
    at 
org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
    at 
org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
    at 
org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
    at 
org.spark_project.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
    at 
org.spark_project.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
    at java.lang.Thread.run(Thread.java:748)
{code}

it will occur when we clicking stages with no tasks successful.


> SPIP: Better History Server scalability for many / large applications
> ---------------------------------------------------------------------
>
>                 Key: SPARK-18085
>                 URL: https://issues.apache.org/jira/browse/SPARK-18085
>             Project: Spark
>          Issue Type: Umbrella
>          Components: Spark Core, Web UI
>    Affects Versions: 2.0.0
>            Reporter: Marcelo Vanzin
>              Labels: SPIP
>         Attachments: spark_hs_next_gen.pdf
>
>
> It's a known fact that the History Server currently has some annoying issues 
> when serving lots of applications, and when serving large applications.
> I'm filing this umbrella to track work related to addressing those issues. 
> I'll be attaching a document shortly describing the issues and suggesting a 
> path to how to solve them.



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