high cpu usage fix

Http://www.blogjava.net/hankchen/archive/2012/05/09/377735.html An application consumes a high CPU, and in addition to being a compute-intensive application, it is often the result of a dead loop. (Friendly tip: This blog article welcome reprint, but please specify the source: Hankchen,http://www.blogjava.net/hankchen) Taking one of our recent practical failures as an example, this paper describes how to lo

Tags: water SSO Machine Technology share complete registration Memcach run CPUThe analysis should be memcache memory size or the default configuration, has not satisfied the current large data volume needs, a large number of new caches need to enter, while a large number of old cache needs to be eliminated, one in one out of the CPU occupied too much.Enter the registry, locate: Hkey_local_machine\system\currentcontrolset\services\memcached ServerThe v

Problems encountered in the article directory use SQLServerProfiler to monitor the database SQL1: Find the latest 30 alarm events SQL2: Get the current total number of alarm records what SQL statements will cause high CPU? When you select the top record for the SQL query plan, try to index the fields in the order clause to view the SQL statements with high

"grep"echo "Cup usage is:"echo $ULINE | awk ' {print '} 'Echo-e ' \ n 'Doneecho "========================================================================================================="#查询内存和CPU使用率都较高的应用Echo-e ' \ n 'echo "========================================================================================================="echo "============================="echo "Applications with

This morning in the formal service deployment of new code, over a period of time, server load alarm, CPU usage alarm, Login server query, found that MySQL led to high CPU usage, so show processlist query a bit, see a lot of threads in sending The state of data and lock is th

A text message alert was sent at noon, indicating that the CPU usage of the Web server is high. It is occupied by Java processes, and the internal system traffic is very small (less than 300). Therefore, high CPU utilization on the server is abnormal, and there are not many

large number of group by and other statements, union query, etc. will certainly increase the occupancy rate of MySQL. So you need to optimize the SQL statements, the site as far as possible to generate static, general 4W IP static Web site, MySQL occupancy rate of almost 0. So this is a consideration for the programmer's experience. Maximize MySQL Performance (best 20 + experience sharing for MySQL performance optimization) The following is a collection of articles by the cloud Habitat commun

WIN10 version of the first version of 2015, the first installation without this problem, after each installation after the normal boot, but as long as the run for a period of time (the machine has run a variety of software scenarios), found that the CPU utilization of 100%Even if the end of all the running program, still high, if you do not restart the computer, it is stuck can not be usedBaidu looked at a

Linux lookup Java process consumes high CPU cause1. Find a processTop View Process Usage resourcesIt is obvious that Java's two processes 22714,12406 consume too much CPU.2. Find ThreadsUse Top-h-P 3. Finding stack information for JavaConvert thread ID to hexadecimal#printf%x 15664#3d30Then use Jstack to query the thre

Loadaverage is displayed when we use the top command to view system resource usage, as shown in. It indicates the average workload of the system in 1, 5, 15 minutes. So what is the load? What is the relationship between it and cpu utilization? When we use the top command to view the system resource usage, we will see the load average, as shown in. It indicates th

Tags: Oracle database server CPU resource consumption Ultra highEnvironment:Oracle Database 11g Enterprise Edition Release 11.2.0.2.0-64bit ProductionCentOS Release 6.5 X64Symptom: System CPU usage reaches 75%, viewing system process resource status.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/6F/2A/wKiom1WTeJHRpKQUAAQoNpVWXMs155.jpg "title=" 1.png

Oracle CPU is too high to handle, this article will describe the Oracle process CPU usage is too high, need to know more than friends can refer to the 1: First use the top command to upload the CPU-intensive SPID number PID USERNA

' write Times ',[Logical_reads] As ' logical read Times ',[Row_count] As ' returns the number of result rows 'From Sys. [Dm_exec_requests] As DerINNER JOIN [SYS]. [Dm_os_wait_stats] As dows on der.[wait_type] = [dows]. [Wait_type]Cross APPLY sys. [Dm_exec_sql_text] (Der.[sql_handle]) As DestWHERE [session_id] > 50ORDER by [Cpu_time] DESC--Five, query the high CPU usage