how to increase size

CentOS6.5 increase swap space and centos6.5 swap spaceWhen installing Oracle 11g on CentOS 6.5, the system prompts that the swap space is insufficient. Baidu has come to find a way to increase the swap space. There are two ways to increase the swap space: strictly speaking, after the system is installed, there is only one method to add swap, which is the second m

Reference articlesHttp://ref.onixs.biz/lost-multicast-packets-troubleshooting.htmlOperating System Kernel Network buffers tuningOperating system kernel Network buffer tuningLinuxRun the command to check the current settings of the sysctl -A | grep net | grep ‘mem\|backlog‘ | grep ‘udp_mem\|rmem_max\|max_backlog‘ system level buffers.For example: Net.core.rmem_max = 131071 Net.core.netdev_max_backlog = 1000 Net.ipv4.udp_mem =

indicates that the request Never times out. This setting has potential risks. Generally, it can be set to 30000 ms.Maxkeepaliverequests:Number of requests to be retained. The default value is 100.Buffersize:The input stream buffer size. The default value is 2048 bytes.Compression:Compression and transmission. Optional values: On, off, and force. Default Value: off.The parameters related to the maximum number of connections are maxthreads and acceptco

outside, it is possible for the browser to cache them, allowing the cache to be used directly at a later time, while the size of the HTML document decreases, increasing the loading speed.Impact factors:1. The less page views each user produces, the stronger the argument for inline scripting and styling. For example, if a user visits your website only one or two times per month, then inline will be better in this case. And if the user can generate a l

Standard Linux system How to increase the swap partition space small? Quasi-linux installation, swap partition is twice times the size of memory, if the addition of memory, the swap partition will also increase. If you increase the 1G memory, the swap partition will increase

There are many ways to promote a website. For example, a website can improve its access volume by implementing search engine optimization or purchasing keyword advertisements. However, increasing only the access volume is far from enough for business development, A more professional and in-depth approach is to enable potential customers who come to the website to purchase and convert customers to improve the conversion rate of website users. What do websites need to do to

/test ext3 defaults 0 0" >>/etc/fstabHow do I increase the size of a logical volume?The first step is to partition the newly added hard disk and modify the partition ID number, please refer to the second step above.The second step creates the newly created partition as a physical volume (PV)Pvcreate/dev/sdd1Third Step Expansion Volume groupVgextend FIRST_VG/DEV/SDD1Step fourth Unmount the mounted logical vo

-xx:cmsfullgcsbeforecompaction=2-xx:softreflrupolicymspermb=0-xx:+printclasshistogram-xx:+printgcdetails-xx:+printgctimestamps-xx:+printheapatgc-xloggc:logs/gc.log-dsun.rmi.dgc.server.gcinterval=3600000-dsun.rmi.dgc.client.gcinterval=3600000-dsun.rmi.server.exceptiontrace=trueModify point:On the above basis, adjust the xmn size to 36M, set the cmsinitiatingoccupancyfraction=73.The size of the Dden area and

system. Maximize RAM/minimize disk access frequency The next topic is to minimize the frequency of dealing with physical disk drives in your database program. The key to this is to release as much RAM space as possible for your applications. To achieve this, you need to do the following: Increase the maximum buffer size First, you need to set the maximum buffer size