Shulou(Shulou.com)06/01 Report--

Problem description:

When analyzing the performance problems in the production environment, it is often impossible to start because there is no real-time basis. Then the author captures db.currentOp () to the file and serves as a scheduled task for subsequent analysis.

Solution:

Step 1: Shell script records db.currentOp ()

1. Create a folder

Mkdir currentOp

two。 Create currentOp.sh

#! / bin/shMONGO=/usr/bin/mongoDATE=$ (date +% Y%m%d%H%M) CURRENTOPFILE=/home/xucy/currentOp/$DATE$MONGO admin-uxucy-pPassw0rd-- eval "rs.slaveOk (); printjson (db.currentOp ());" > $CURRENTOPFILE 2 > & 1LOCATION=/home/xucy/currentOp/find $LOCATION-mtime + 1-type f | xargs rm-f

Step 2: join the Crontab scheduled task

Crontab-eBay home/xucy/currentOp.sh 5 * / bin/sh / home/xucy/currentOp.sh > / dev/null 2 > & 1

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.