Hoffman2:Interactive Mode
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Interactive mode allows you to start a session on a working node with specific resource. To initiate a interactive mode, use qrsh command.
To reserve 1 core, 1 GB memory for 2 hours, simply
qrsh
qrsh can take arguments with "-l" option to specify more detailed resource requests. Examples:
To reserve 4G for 10 hours
qrsh –l h_data=4G,h_rt=10:00:00
To reserve 2 cores with 4G memory for 8 hours ( Total memory reserved will be 2 x 4 = 8GB)
qrsh –l h_data=4G,h_rt=8:00:00 –pe shared 2
To reserve for jobs longer than 24 hours needs “highp” (CCN contributed nodes)
qrsh -l h_data=4G,h_rt=72:00:00,highp