JMAP command - use to take memory dump

If you have a Java application and if you need to know memory allocation and leakage you can use JMAP command. In this article I will show how to run the command.

1. Find the pid of Java process
In Linux system you can identify using ps command. But the best way is to use JPS command.

In terminal run below command

jps

This command will give output like below.

In above output we see 4 Java process on which one is JPS itself. The prices listed above are SAS Java process.

Using JMAP

For JMAP we need the pid of Java process and the location to store the dump.

In the command line run as below.

jmap -dump:file=/tmp/wrapperStartStop_mem_usage.log -F 147213

Once you run above command you will get message like you see in below screenshot.

The file generated will be as large as current memory configuration.

Comments

Insufficient authorization to access PIPE error in SAS EG

Issue: When I tried to run SAS code in SAS Enterprise Guide it throws following errors: ERROR: Insufficient authorization to access PIPE. ERROR: Error in the FILENAME statement. Screenshot of error: Solution: This error occurs when you try to run OS commands in SAS code. To run the OS commands in SAS code you need to enable XCMD option. You check it in SAS Management Console by following below steps. Open SMC -> Expand Servers -> Expand In SASApp , expand Logical Workspace Server -> right click on Workspace Server. Click properties -> option tab -> advanced options -> launch properties. Check whether Allow XCMD is checked. The issue arises if the Allow XCMD is not checked. In above image, Allow XCMD option is not checked. It should be checked to run OS commands from SAS code. In Unix /Linux machines, this XCMD option can be enabled by using system option XCMD in sasv9 config file or workspaceserver.sh script f...

The authentication server is not SETUID ROOT error in SAS

Question: When validating the SAS Server from SAS Management Console, I received the following error: The authentication server is not SETUID ROOT. So, I ran the setuid.sh utility and restarted the services many times. I just checked the elssrv sasauth sasperm setuid bit. There were no error in sasauth-debug.log, sasauth-access.log, sasauth-error.log. Any suggestions? Answer: Please do the following: 1) Run /<SASConfig>/Lev<X>/ObjectSpawner/ObjectSpawner.sh stop 2) Edit /<SASConfig>/Lev<X>/ObjectSpawner/ObjectSpawner.sh and add the code shown below right after SCRIPT=`basename $0`: if [ -n ""$TKPATH"" ]; then unset TKPATH fi if [ -n ""$TK_PATHLIST"" ]; then unset TK_PATHLIST fi 3) Run /<SASConfig>/Lev<X>/ObjectSpawner/ObjectSpawner.sh start The above code change in ObjectSpawner.sh should fix the issue.

SAS - CLI error trying to establish connection

Issue: User asked me to make a database connectivity to SQL Server. They provided following details SQL server hostname and ip address Database/DSN name Username Password I made entry in ODBC.ini file. You know, SQL Server entries were made in ODBC.ini and Oracle entries were made in TNS.ora file. Everything went fine, took back up of odbc.ini, made entry and saved the file. So to test this connection I ran the libname statement in SAS Enterprise Guide 6.1. It throwed following error. Error Message: My DB team showed that they are able to login 14 GOPTIONS ACCESSIBLE; 15 LIBNAME test ODBC DATASRC=SGE_DS SCHEMA=VST USER=sales PASSWORD=XXXXXXXXX; ERROR: CLI error trying to establish connection: [SAS/ACCESS to SQL Server][ODBC SQL Server Legacy Driver][SQL Server]Login failed for user 'sales'. Solution: First I suspected that Login failed for user 'sales' meant the password provided by DB team was wrong. They responded that they were able to login wi...

SAS Platform Admin Blog

Search This Blog