Application maintenance is a meticulous task. In addition to requiring the technical staff to be rigorous and responsible, technical personnel are also required to have high processing capabilities and work experience in various emergencies. With the establishment of ICBC's two big data centers, ICBC's core business data is concentrated in the data center, the primary branches focus on the maintenance of pe
relatively small compared to the disk, once the index is large, the query process caused by the memory pressure will also be the result of the data cache and the plan cache have a negligible impact. Maintenance of clustered indexes, such as rebuilds, can cause a cascade of nonclustered indexes. The more indexes you have, the slower the speed. Many systems do not have enough time for you to maintain the ind
Unix operating system is widely used in various telecom operators, and the backend servers of various business management systems almost all use UNIX operating system. As one of the UNIX operating systems, AIX has been welcomed by many system administrators because of its high stability and good compatibility.Here are a few ways for everyone to share, to improve the purpose of
Many open source operating systems and maintenance systems, such as Nagios, Zabbix, CATI, etc., but, when they get the time to their own personalized operation and maintenance needs, always powerless!A recent study of Python. Therefore, we believe that python+django+twisted to customize a fully personalized operation a
Tags: grep view GRE Disk Sync integrity system Linu RoutinesTo view memory:TopTo view disk space:Df-hlTo write the cache to a file:SyncClear Memory:Echo 1 >/proc/sys/vm/drop_cachesTo view memory:TopThe Sync:sync command runs the Sync subroutine. If you must stop the system, run the Sync command to ensure the integrity of the file system. The sync command writes all non-writable system buffers to disk, including modified I-node, deferred block I/O, and read-write mapping filesEcho 1 0 Default 1 e
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