Hi Bharath,

Did you mean to merge this? Or did I misinterpret the Gerrit mail?

Cheers, Lars

On Aug 2, 2016 12:55, "Bharath Vissapragada (Code Review)" <
[email protected]> wrote:

> Bharath Vissapragada has submitted this change and it was merged.
>
> Change subject: IMPALA-2979: Fix scheduling on remote hosts
> ......................................................................
>
>
> IMPALA-2979: Fix scheduling on remote hosts
>
> Also fixes: IMPALA-2400, IMPALA-3043
>
> This change fixes scheduling scan-ranges on remote hosts by adding
> remote backend selection capability to SimpleScheduler. Prior to this
> change the scheduler would try to select a local backend even when
> remote scheduling was requested.
>
> This change also allows pseudo-randomized remote backend selection to
> prevent convoying, which could happen when different independent
> schedulers had the same internal state, e.g. after a cluster restart. To
> enable the new behavior set the query option SCHEDULE_RANDOM_REPLICA to
> true.
>
> This change also fixes IMPALA-2400: Unpredictable locality behavior
> for reading Parquet files
>
> This change also fixes IMPALA-3043: SimpleScheduler does not handle
> hosts with multiple IP addresses correctly
>
> This change also does some clean-up in scheduler.h and
> simple-scheduler.{h,cc}.
>
> Change-Id: I044f83806fcde820fcb38047cf6b8e780d803858
> Reviewed-on: http://gerrit.cloudera.org:8080/3771
> Reviewed-by: Lars Volker <[email protected]>
> Reviewed-by: Sailesh Mukil <[email protected]>
> Tested-by: Internal Jenkins
> (cherry picked from commit 0ad935b63c23029bd4cac4beefde6b3b7c0e322b)
> ---
> M be/src/scheduling/scheduler.h
> M be/src/scheduling/simple-scheduler-test.cc
> M be/src/scheduling/simple-scheduler.cc
> M be/src/scheduling/simple-scheduler.h
> M be/src/service/query-options.cc
> M be/src/service/query-options.h
> M common/thrift/ImpalaInternalService.thrift
> M common/thrift/ImpalaService.thrift
> M fe/src/main/java/com/cloudera/impala/analysis/TableRef.java
> M fe/src/test/java/com/cloudera/impala/analysis/AnalyzeStmtsTest.java
> M fe/src/test/java/com/cloudera/impala/analysis/ParserTest.java
> M fe/src/test/java/com/cloudera/impala/analysis/ToSqlTest.java
> 12 files changed, 984 insertions(+), 489 deletions(-)
>
>
>
> --
> To view, visit http://gerrit.cloudera.org:8080/2200
> To unsubscribe, visit http://gerrit.cloudera.org:8080/settings
>
> Gerrit-MessageType: merged
> Gerrit-Change-Id: I044f83806fcde820fcb38047cf6b8e780d803858
> Gerrit-PatchSet: 33
> Gerrit-Project: Impala
> Gerrit-Branch: cdh5-trunk
> Gerrit-Owner: Lars Volker <[email protected]>
> Gerrit-Reviewer: Bharath Vissapragada <[email protected]>
> Gerrit-Reviewer: Internal Jenkins
> Gerrit-Reviewer: Lars Volker <[email protected]>
> Gerrit-Reviewer: Marcel Kornacker <[email protected]>
> Gerrit-Reviewer: Matthew Jacobs <[email protected]>
> Gerrit-Reviewer: Mostafa Mokhtar <[email protected]>
> Gerrit-Reviewer: Sailesh Mukil <[email protected]>
> Gerrit-Reviewer: anujphadke <[email protected]>
>

Reply via email to