The size of the hard drive to delete files in linux remains unchanged.

The size of the file hard disk deleted in linux remains unchanged. recently, the game server's hard disk is full. What's strange is that du/opt/is only 25 GB, but df is? N case study? Capacity in use available %? Mongod? /Dev/sda5195g23g1631613... Info & nbsp; | linux delete File hard disk size not changed solved recently game server hard disk full. What's strange is that du/opt/is only 25 GB, but df is? N case study? Capacity in use available %? Mongod? /Dev/sda5 195G 23G 163G 13% // dev/sda2 68G 65G 0 100%/opt/dev/sda1 99 M 12 M 82 M 13%/boottmpfs 16G 0 16G 0%/dev/shm cannot figure out why 65g runs du -- max-depth = 1-h in the/opt/directory, but more than 20G. later, I accidentally discovered lsof. | the grep delete command can be used to view deleted files that are still in use by the system. these files do not release disk space. only when there are many such resources that cause the hard disk to fill up with mysqld 1859 mysql 4u REG 8, 5 0 45645829 /tmp/ibWdlI73 (deleted) mysqld 1859 mysql 5u REG 8, 5 0 45645830/tmp/ib7hOICX (deleted) mysqld 1859 mysql 6u REG 8, 5 0 45645831/tmp/ib2DrJ7Q (deleted) mysqld 1859 mysql 7u REG 8, 5 0 45645832/tmp/ibP15b4K (deleted) mysqld 1859 mysql 34u REG 8, 5 0 45645833/tmp/ibGnNBCG (deleted) nginx 5135 root 2 w REG 8201036 16564486/opt/nginx/logs/error. log (deleted) nginx 5135 root 4 w REG 40241299485 16564444/opt/nginx/logs/access. log (deleted) nginx 5135 root 5 w REG 8201036 16564486/opt/nginx/logs/error. log (d Eleted) nginx 5136 nobody 2 w REG 8201036 16564486/opt/nginx/logs/error. log (deleted) nginx 5136 nobody 4 w REG 40241299485 16564444/opt/nginx/logs/access. log (deleted) nginx 5136 nobody 5 w REG 8201036 16564486/opt/nginx/logs/error. log (deleted) nginx 5137 nobody 2 w REG 8201036 16564486/opt/nginx/logs/error. log (deleted) nginx 5137 nobody 4 w REG 40241299485 16564444/opt/nginx/log S/access. log (deleted) nginx 5137 nobody 5 w REG 8201036 16564486/opt/nginx/logs/error. log (deleted) nginx 5138 nobody 2 w REG 8201036 16564486/opt/nginx/logs/error. log (deleted) nginx 5138 nobody 4 w REG 40241299485 16564444/opt/nginx/logs/access. log (deleted) nginx 5138 nobody 5 w REG 8201036 16564486/opt/nginx/logs/error. log (deleted) nginx 5139 nobody 2 w REG 8201036 16564486/op T/nginx/logs/error. log (deleted) nginx 5139 nobody 4 w REG 40241299485 16564444/opt/nginx/logs/access. log (deleted) nginx 5139 nobody 5 w REG 8201036 16564486/opt/nginx/logs/error. log (deleted) java 15027 root 11 w REG 3911 15518134/opt/tomcat. wgame/logs/logs.20130328/catalina.2013-03-28.log (deleted) java 15027 root 12 w REG 2058 15518161/opt/tomcat. wgame/logs/logs.20130328/localhost. 2013-03-28.log (deleted) java 15027 root 13 w REG 8, 2 0 15518172/opt/tomcat. wgame/logs/logs.20130328/manager.2013-03-28.log (deleted) java 15027 root 14 w REG 8, 2 0 15518184/opt/tomcat. wgame/logs/logs.20130328/admin.2013-03-28.log (deleted) java 15027 root 15 w REG 8, 2 0 15518185/opt/tomcat. wgame/logs/logs.20130328/host-manager.2013-03-28.log (deleted) java 15027 root 63 w REG 165413 15518332/opt/ Tomcat. wgame/logs/wgame_s1_s2-deleteItemJob.logjava 15027 root 97 w REG 10436 15518319/opt/tomcat. wgame/logs/wgame_s3-deleteBattlefieldJob.logjava 15027 root 103 w REG 10437 15518322/opt/tomcat. wgame/logs/wgame_s1_s2-deleteBattlefieldJob.logjava 15027 root 104 w REG 9850 15518323/opt/tomcat. wgame/logs/wgame-deleteBattlefieldJob.logjava 15027 root 111 w REG 272 15518331/opt/tomcat. w Game/logs/wgame-deleteItemJob.logjava 15027 root 113 w REG 172381 15518334/opt/tomcat. wgame/logs/wgame_s3-deleteItemJob.logmysqld_sa 23075 root 0u CHR 136, 1 3/dev/pts/1 (deleted) mysqld_sa 23075 root 1u CHR 136, 1 3/dev/pts/1 (deleted) mysqld_sa 23075 root 2u CHR 136, 1 3/dev/pts/1 (deleted). after these services are completed, restart the service and run df? N case study? Capacity in use available %? Mongod? /Dev/sda5 195G 25G 160G 14% // dev/sda2 68G 24G 41G 37%/opt/dev/sda1 99 M 12 M 82 M 13%/boottmpfs 16G 0 16G 0%/dev/shm problem solved.