Readme File for IBM^® Spectrum Symphony 7.1.2 Interim Fix 535406

Readme File for: IBM Spectrum Symphony 

Product Release: 7.1.2

Update Name: Interim Fix 535406

Fix ID: sym-7.1.2-build535406

Publication Date: December 12, 2019

This interim fix provides a resolution when you encounter a core dump for the shuffle service daemon (MRSS), with the “It is about to timeout, have to report a new progress in reduce Shuffle stage” message recorded in a long-running Reduce task’s log in IBM Spectrum Symphony 7.1.2.

Contents

1. List of fixes

2. Download location

3. Product and components affected

4. Installation and configuration

5. Uninstallation

6. List of files

7. Product notifications

8. Copyright and trademark information

1.    List of fixes

APAR: P103333

2.    Download location

Download interim fix 535406 from the following location: https://www.ibm.com/eserver/support/fixes/

3.    Product and components affected

Component name, Platform, Fix ID:                                                   

MRSS, Linux x86_64, sym-7.1.2_x86_64-build535406

4.    Installation and configuration

Follow the instructions in this section to download and install this interim fix in your cluster.

System requirements

Linux x86_64

Installation

a.     Log on to the master host as the cluster administrator and stop the MRSS service:

> egosh user logon -u Admin -x Admin

> egosh service stop MRSS

b.     On each management and compute host, back up the following files for recovery purposes:

$EGO_TOP/soam/mapreduce/7.1.2/linux-x86_64/lib/hadoop-2.7.x/hadoop-mapreduce-client-core-2.7.2.jar

$EGO_TOP/soam/mapreduce/7.1.2/linux-x86_64/etc/mrss

c.      On each management and compute host, download the sym-7.1.2_x86_64_build535406.tar.gz file and extract its contents to the top-level installation directory, for example:

> tar zxfo sym-7.1.2_x86_64_build535406.tar.gz -C $EGO_TOP/

d.     From the master host, start the MRSS service:

> egosh service start MRSS

5.    Uninstallation

If required, follow the instructions in this section to uninstall this interim fix from your cluster.

a.     Log on to the master host as the cluster administrator and stop the MRSS service:

> egosh user logon -u Admin -x Admin

> egosh service stop MRSS

b.     On each management and compute host, restore your backup for the following files:

$EGO_TOP/soam/mapreduce/7.1.2/linux-x86_64/lib/hadoop-2.7.x/hadoop-mapreduce-client-core-2.7.2.jar

$EGO_TOP/soam/mapreduce/7.1.2/linux-x86_64/etc/mrss

c.      From the master host, start the MRSS service:

> egosh service start MRSS

6.    List of files

soam/mapreduce/7.1.2/linux-x86_64/lib/hadoop-2.7.x/hadoop-mapreduce-client-core-2.7.2.jar

soam/mapreduce/7.1.2/linux-x86_64/etc/mrss

7.    Product notifications

To receive information about product solution and patch updates automatically, subscribe to product notifications on the My Notifications page http://www.ibm.com/support/mynotifications/ on the IBM Support website (http://support.ibm.com). You can edit your subscription settings to choose the types of information you want to get notification about, for example, security bulletins, fixes, troubleshooting, and product enhancements or documentation changes. 

8.    Copyright and trademark information

© Copyright IBM Corporation 2019

U.S. Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

IBM®, the IBM logo, and ibm.com® are trademarks of International Business Machines Corp., registered in many jurisdictions worldwide. Other product and service names might be trademarks of IBM or other companies. A current list of IBM trademarks is available on the Web at "Copyright and trademark information" at www.ibm.com/legal/copytrade.shtml.