The Aggregate Action in SAS LASR Analytic Server might attempt to access memory that has already been freed. This can cause the LASR Analytic Server to become unresponsive. A traceback message is written to the log of the affected worker node. The message includes a reference to the ComputeAggregate function, similar to the following:

The only workaround for this problem is to restart the LASR Analytic Server.

Click the Hot Fix tab in this note to access the hot fix for this issue.

Operating System and Release Information

Product Family	Product	System	Product Release		SAS Release
			Reported	Fixed*	Reported	Fixed*
SAS System	SAS LASR Analytic Server	Solaris for x64	2.3	2.82	9.4 TS1M1	9.4 TS1M6
		Linux for x64	2.3	2.82	9.4 TS1M1	9.4 TS1M6
		64-bit Enabled Solaris	2.3	2.82	9.4 TS1M1	9.4 TS1M6
		64-bit Enabled AIX	2.3	2.82	9.4 TS1M1	9.4 TS1M6
		Microsoft® Windows® for x64	2.3	2.82	9.4 TS1M1	9.4 TS1M6

* For software releases that are not yet generally available, the Fixed Release is the software release in which the problem is planned to be fixed.

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A fix for this issue for LASR Analytic Server 2.7 is available at:

https://tshf.sas.com/techsup/download/hotfix/HF2/W67.html#62716

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The Aggregate Action in SAS LASR Analytic Server might attempt to access memory that has already been freed on a worker node. This can cause the LASR Analytic Server to issue a traceback message and become unresponsive.

Type:	Problem Note
Priority:	medium

Date Modified:	2018-09-11 15:18:05
Date Created:	2018-08-06 09:04:41