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From "Hadoop QA (JIRA)" <>
Subject [jira] [Commented] (PHOENIX-5131) Make spilling to disk for order/group by configurable
Date Sat, 09 Mar 2019 06:37:00 GMT


Hadoop QA commented on PHOENIX-5131:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment
  against master branch at commit 26d3734d3c2a05c56e92a0ea09a99fd90059f568.
  ATTACHMENT ID: 12961783

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 9 new or modified

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:red}-1 release audit{color}.  The applied patch generated 1 release audit warnings
(more than the master's current 0 warnings).

    {color:red}-1 lineLengths{color}.  The patch introduces the following lines longer than
    +                "SELECT /*+ USE_SORT_MERGE_JOIN*/ item.\"item_id\",, supp.\"supplier_id\", FROM "
+                        + " supp ON item.\"supplier_id\" = supp.\"supplier_id\" ORDER BY
+                                && clientVersion < MetaDataProtocol.MIN_5_x_DISABLE_SERVER_SPOOL_THRESHOLD)
+                                && clientVersion < MetaDataProtocol.MIN_4_x_DISABLE_SERVER_SPOOL_THRESHOLD);
+            List<OrderByExpression> orderByExpressions, boolean spoolingEnabled, long
+    SpoolingResultIterator(SpoolingMetricsHolder sMetrics, MemoryMetricsHolder mMetrics,
ResultIterator scanner, MemoryManager mm, final long thresholdBytes, final long maxSpoolToDisk,
final String spoolDirectory) throws SQLException {

     {color:red}-1 core tests{color}.  The patch failed these unit tests:

Test results:
Release audit warnings:
Console output:

This message is automatically generated.

> Make spilling to disk for order/group by configurable
> -----------------------------------------------------
>                 Key: PHOENIX-5131
>                 URL:
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: Abhishek Singh Chouhan
>            Assignee: Abhishek Singh Chouhan
>            Priority: Major
>             Fix For: 4.15.0, 5.1.0
>         Attachments: PHOENIX-5131-master-v2.patch, PHOENIX-5131-master-v2.patch, PHOENIX-5131-master-v3.patch,
PHOENIX-5131-master.patch, PHOENIX-5131-master.patch
> We've observed that large queries, doing order/group by leading to issues on the regionserver
(crashes/long gc pauses/file handler exhaustion etc.). We should make spilling to disk configurable
and in case its disabled, fail the query once it hits the spilling limit on any of the region
servers. Also make spooling threshold server-side property only to prevent clients from controlling
memory allocation on the rs side.

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