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tech:linux:throttle_process [2015/04/22 06:42] |
tech:linux:throttle_process [2015/04/22 06:42] (current) |
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| + | ====== Throttle background processes ====== | ||
| + | Example to throttle the number of unzips running when a large number of files need to be unzipped | ||
| + | <code bash> | ||
| + | #!/bin/sh | ||
| + | cd /data/somefolder/rzips | ||
| + | TARD=/data/somefolder/anotherfolder | ||
| + | LOGF=/data/somefolder/unziplog | ||
| + | COUNTER=0 | ||
| + | for z in *.zip; do | ||
| + | LOGFILE=$LOGF/${z}.log | ||
| + | CNTUNZIP=`ps -ef|grep -c unzip` | ||
| + | while [ $CNTUNZIP -gt 51 ]; do | ||
| + | sleep 1 | ||
| + | CNTUNZIP=`ps -ef|grep -c unzip` | ||
| + | done | ||
| + | let COUNTER=COUNTER+1 | ||
| + | echo "#: $COUNTER - Unzipping $z" | ||
| + | nohup unzip $z -x LOG* -d $TARD > $LOGFILE 2>&1 & | ||
| + | done | ||
| + | </code> | ||
