hbase performance monitoring

several ways to get fps under Android article refers to the Gamebench tool, which not only obtains FPS, but also obtains system state information such as CPU and memory occupancy rate. Its limitations are also obvious, and the monitoring object needs to be re-selected when switching applications. In addition, one months and 30 minutes of trial time, even if the application of several accounts is not enough. To facilitate development and

Sysstat is a handy tool with a multitude of system resource monitoring tools for monitoring system performance and usage. A significant portion of the tools we use on a daily basis are from the Sysstat Toolkit. It also provides a collection plan that uses CRON expressions to develop performance and activity data.The fo

Linux system performance monitoring common commands Blog Categories:Technical methods First, Linux server performance concerns 1) CPU -> load: The sum of statistics that represents the tasks that the CPU is processing and waiting to process over a period of time, simple to understand the ratio of the number of threads being processed by the CPU to the number of

This article focuses on performance performance monitoring on Linux (CentOS). 1. Monitor CPU Usage--uptime The command will print out how long the current time system has been running. Average system load of logged on users The load here is per unit of time, the CPU waits in the queue, evaluates how many processes are waiting, the more processes

The PCP tool is a very powerful performance analysis monitoring tool introduced in RHEL7/CENTOS7, citing its official site and Red Hat official introduction: Performance Co-pilot (PCP) is an open source, distributed, Metrics gathering and analysis system. This is includes coverage of activity in the areas Of:cpu, disk, memory, swapping, network, NFS, RPC, filesys

, OpenBSD, and Solaris. You can download the Iperf Win32 installer on Nlanr, while the Java GUI version (JPERF) can be downloaded from sourceforge. To measure Wi-Fi performance, you may need to install iperf--This is your test server in the upstream position of the Ethernet host of the Access point (AP) being tested. Next, install iperf--on one or more Wi-Fi notebooks that will be your test client. This is the typical application network between the

Linux system performance and use of activity monitoring tool-Sysstat Sysstat is indeed a convenient tool for monitoring system resources, system performance, and usage activities. The sysstat package is used more or less in our daily basic tools. It also provides a tool that can use cron for scheduled operation to coll

Analyzer or packet sniffer program-to capture or filter TCP/IP packets received or transferred from a specific interface on the network. It also saves the captured package to a folder. Tcpdump can be used on all major Linux distributions.5.netstat--Network StatisticsNetstat is a command-line tool for monitoring incoming and outgoing network packet information and interface information statistics. It is useful for system administrators to use it to mo

of setting method and level, one is by adding –slowms boot parameter configuration. The second is to invoke Db.setprofilinglevel with the second argument: Db.setprofilinglevel (level, SLOWMS) 2. Query Profiling Records Unlike MySQL's slow query log, the MongoDB profile record is directly present in the system DB, and the record location is System.profile, so we'll just have to check the collection record to get our profile records. List profile records with execution times longer

Label:Original: SQL Server Automation Operations series-Monitoring Performance metrics script (Power Shell)Requirements DescriptionGenerally in the production environment, sometimes need to automatically detect the status of the indicator value, if there is an exception, need early warning, such as e-mail notification, this article is introduced if the power shell to achieve status value monitoringRange of

, generate a memory dump snapshot (heapdump file) of the virtual machine.5) JHAT:JVM Heap Dump Browser, which parses the Headdump file, establishes a http/html server that allows the user to view the results of the analysis on the browser6) Jstack:stack Trace for Java to generate a thread snapshot of the current moment of the virtual machine2. Visualization Tools1. Jconsle2. JVISULAVMRemote connection needs to be set for Java opt to use, see: http://www.cnblogs.com/Jtianlin/p/5021540.htmlJVM (4)

There are many valid command-line tools in the Bin directory of the jdk, which are the encapsulation of the Jdk\lib\toos.jar class Library.first, jps: virtual machine process status tool, query out Lvmid.second, jstat: Virtual Machine Statistics monitoring tool,three, Jinfo:java Configuration Information toolView and adjust the parameters of a virtual machine in real Time.Iv. Jmap:java memory Image Tool: generating a heap dump snapshotNot only can you

, the default monitoring is CPU resourcesPidstat-p 1 2 3-trLinux 2.6.32-71.el6.i686 (stephen-pc) 11/16/2011 _i686_ (1 CPU)07:37:04 AM tgid TID minflt/s majflt/s VSZ RSS%MEM Command07:37:06 AM 1-0.00 0.00 2828 1368 0.13 Init07:37:06 AM-1 0.00 0.00 2828 1368 0.13 |__init07:37:06 AM tgid TID minflt/s majflt/s VSZ RSS%MEM Command07:37:08 AM 1-0.00 0.00 2828 1368 0.13 Init07:37:08 AM-1 0.00 0.00 2828 1368 0.13 |__init07:37:08 AM tgid TID minflt/s majflt/s

The topas command of AIX performance monitoring parses the most comprehensive dynamics of the operating system in detail, and the convenient performance view is the topas command. The topas output is used as an example below, briefly describe the performance monitoring of th

All the content in this article is based on JDK 5, which may be different if JDK 6 is used.In the past few days, we have done some performance monitoring work, some of which are worth recording:JDK itself provides many tools based on command lines and guis. It is very useful to learn to apply them rationally.Jmap is a command line program that is used to view the number of objects in the JVM. directly input

The JDK provides us with a range of JVM performance monitoring and troubleshooting tools, which are documented here based on learning progress. Easy to read later1.JPS Virtual Machine Process ToolSimilar to the PS command in Linux systems for viewing virtual machine processes, the following features are commonly usedJps-l Show virtual machine process ID and process main classJps-q shows only the process ID

: Number of bytes sent per secondRXCMP/S: Compressed packets received per secondTXCMP/S: Compressed packets sent per secondRXMCST/S: Multicast packets received per secondb) Sar-n Edev 2 10Linux 2.6.18-53.el5pae (Localhost.localdomain) 03/29/200901:42:18 AM IFACE rxerr/s txerr/s coll/s rxdrop/s txdrop/s txcarr/s rxfram/s rxfifo/s txfifo/s01:42:20 AM Lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0001:42:20 AM eth1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0001:42:20 AM sit0 0.00 0.00 0.00 0.00 0.00

Recently built a more private blog, because it is a foreign VPS, so want to test the visit time around.Turn around and find this: Listen to the Cloud CDN.Of course, not to listen to the Cloud CDN, but began to try to listen to the cloud server. What does listening to the cloud do? Listen to the Cloud app: monitor crashes, connection timeouts, memory leaks, and more during mobile app usage. Listen to Cloud server: monitor the efficiency and performance