Vmstat Analysis

Adb bugreport records the log of the android startup process, as well as the system state after startup, including the process list, memory information, VM information, etc.

In the development of friends especially and MySQL have contact friends will encounter sometimes MySQL query is very slow, of course, I refer to the large amount of data millions level, not dozens of, the following we take a look at the resolution of the query slow way. -Often find developers looking up statements that are not indexed or limit n, which can have a significant impact on the database, such as a large table of tens of millions of records to scan all, or do filesort, and the database and server IO impact. This is the case above the mirrored library. And ...

Loadbars 0.2.1 This version increases the switching mode under the CPU, and the gray divider line between each host. It has a more intelligent CPU core number in CPU switching mode. Graphics support for the FreeBSD server CPU has been tested and installed to work under/compat/linux/proc Linprocfs. The license has been changed to GPLV2. There are more documentation and minor bug fixes. Loadbars is a small script that can be used to observe multiple remote servers in a real-time C ...

Loadbars 0.2.0.2 This is a bug-corrected release (rod width calculation error is fixed). Loadbars is a small script that can be used to observe the load on multiple remote server CPUs in one real-time. It uses SSH to connect to each other (using SSH public/private key auth) several servers and vizualizes all server CPUs (either summarizing or buying each individual core). Loadbars does not collect CPU load, but provides charting for future analysis. However, due to this kind of ...

Loadbars is a small script that can be used to observe the load on multiple remote server CPUs in one real-time. It uses SSH to connect to each other (using SSH public/private key auth) several servers and vizualizes all server CPUs (either summarizing or buying each individual core). Loadbars does not collect CPU load, but provides charting for future analysis. However, due to the large amount of time required before such tools produce results, Loadbars allows you to immediately observe the current state. Load ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall TAG: the website monitors youmonitor.us internetsupervision Monitwitter in this year June's accident, the Taobao server loses power one hours, loses 10 million or so on-line     Transaction amount. In the era of increasingly intense competition in this website, in everyone's idea ...

Pangu is a distributed file system, in the entire Alibaba cloud computing platform-"flying", it is the earliest developed services, so with the ancient Chinese mythology epoch-making Pangu named for it, hoping to create a new "cloud world." In the "flying" platform, it is the cornerstone of the data storage system, which hosts a series of cloud services (shown in Figure 1). Pangu's design goal is to aggregate the storage resources of a large number of general-purpose machines to provide users with large, high availability, high throughput and good scalability storage services. Pangu's upper service, both to ...