downtime movie

Zookeeper Analog Monitoring Service node downtime /*** Analog Monitoring Service node outage * thought:* node is on line, create a node under/watch, and then monitor the node Log event types to determine if nodes are down * @throws Exception*/publicstaticvoid Watch () throwsexception{while (true) {finalzookeeper zkclient=newzookeeper ("192.168.1.231,192.168.1.232,192.168.1.233",50000, NULL); stringpath=zkclient.create ("/watch/", "". GetBytes (), zood

Recently, a Data transformation engine service was required to be written in the project, synchronizing data every 5 minutes. The implementation is a scheduledexecutorservice and a threadpoolexecutor thread pool that is initialized after the engine server is started. Schduel executor every 5 minutes, each tranform in the datatransformlist is added to the thread pool to run. Each data converter is responsible for converting a set of database data. There is a service restart during execution and a

More irritable in the near future. The system is prone to downtime. The WebLogic console prints such as the following:# Afatal error has been detected by the Java Runtime environment:## SIGSEGV (0XB) at pc=0x0000003373c89afc,pid=21500, tid=139781136643840## JREVERSION:6.0_45-B06# Javavm:java HotSpot (TM) 64-bit Server VM (20.45-b01 mixed mode linux-amd64compressed oops)#Problematic Frame:# C [LIBC.SO.6+0X89AFC] unsigned LONG+0X2DC## anerror report fil

1. When the database is down, (Ps-ef | grep smon) First consider whether it is a RAC or not, which affects the normal build environment. Determine the approximate repair time. if it is a RAC, then enter the action command on the other database.Find the static parameter file to start. 2. Static parameter files can also be found in the local outage database system. In general the location is CD $ORACLE _home/dbs find the static parameter file (you can refer to an instance on another instance Ps-ef

ended -------------------------------------------------------------------------------------------------------------- --------------------------------------------------------- Analyze the above log information: --------------------------------------------------------------------------------------- 127029889 127029978 , 127029985 ------- -------------------------------------------------------------------------------- the thing that causes a database outage is

Downtime Monitoring Alarm Program A. Source of Demand Downtime is most painful for ops people. How to check if a server is still performing properly, assuming that the server is down, how to monitor and notify the first-line OPS personnel to maintain, and minimize the loss.two. Program Functions perform a downtime test on the specified server, a

The ORACLE tutorial is to optimize the Oracle downtime and database recovery. Here we will discuss the steps to minimize Oracle downtime. Various types of downtime-planned or unplanned-always happen. a dba should have the correct backup policy so that the database can be restored faster when a problem occurs.The following are hypothetical backup policies and data

It is usually easy to upgrade the hardware, but there is no doubt that upgrading the database has a painful experience for everyone. An experienced OracleDBA mainly focuses on the successful completion of the upgrade and the possible downtime. Success does not only mean that the upgrade process is completed normally, but more importantly, production applications can run in the database after upgrade without failure. Ben It is usually easy to upgrade t

Analysis of database downtime caused by ORA-04031 BackgroundOn February 5, the user's database went down unexpectedly. After restarting the server, the Oracle database went back to normal. The user hoped to troubleshoot the problem and avoid another downtime accident, troubleshooting of such unexpected downtime is a common case of remote processing. Although ther

The Oracle tutorial you are looking at is optimizing Oracle downtime and database recovery. 　 The steps to minimize Oracle downtime are discussed here. All forms of downtime-planned or unplanned-always occur,A DBA should have the correct backup strategy so that it can be recovered faster if there is a problem with the database.The following are the assumptions o

No downtime xtrabackup creating slave nodesMaster: 10.1.1.17: 3306 slave: 10.1.1.18: 3307slave node configure the Basic Environment: Create a mysql user, install the same version of mysql software, xtrabackup software package, and create a directory, configure Script 1 and create a full backup: master [mysql@master1 backup]$ innobackupex --defaults-file=/data/mysqldata/3306/my.cnf --user=xtrabk --password='onlybackup' /backup/backup_full/ 2. Copy and

. /Office] Closing spring root WebApplicationContext2011-04-26 18:05:17 info [apusic. web. office. /Office] Shutting Down log4j2011-04-26 18:05:17 info [apusic. application. office] stopped.2011-04-26 18:05:18 info [apusic. web. office. /Office] initializing spring root WebApplicationContext2011-04-26 18:05:28 error [con. err] exception in thread 'autodeployer' 18:05:28 error [con. err] Java. lang. outofmemoryerror: permgen Space It seems that an exception occurred when the application was resta

When the hbase cluster is running, the regionserver goes down. cause: If the network is disconnected and the heartbeat fails to be sent, try to connect to another zookeeper server. (Zookeeper will try to connect to all other servers), the Network is restored, the connection is successful,However, the session has expired.Therefore, the zookeeper client is closed. Of course, the hmaster will also be interrupted due to the expiration and invalidation information of zookeeper; Reasons for regionse

Last night, Apple began to send an email to developers informing them that the Developer Website (Developer Website Center) will be shut down for short regular maintenance at six o'clock P.M. January 1, August 17 (Pacific time. Apple usually did not remind developers that it would maintain the website of the Development Center. This time, Apple sent a high-profile email to notify developers of website maintenance, some people think that this is because the developer website on the 18 th of last

Tag:function statistic color #!/bin/bash./etc/init.d/functionsstart=$1up=0down=0#addcolorfunctionfunction Color () {red_color= ' \e[1;31m ' green_color= ' \e[1;32m ' yellow_color= ' \e[1;33m ' blue_color= ' \e[1;34m ' RES= ' \E[0m '}# Judgeusagefunctionfunctionjudge () { #a xargs[$#-ne2 ]{echo "Usage:$0{xargs}" exit2} #a int expr$1+$2+1>/dev/null2>1if [$?-ne0]thenecho "usage:$0{ Xargsmustbeint} "exit3fi#$1 Run:650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M01/84/20/wKiom1eGBNvQWh1wAAA1

Script for monitoring server downtime:$ Sudo VI ping. ShPress a or I to enter the editing mode.#! /Bin/bashDate = 'date + % m % d % y'Touch/log/ping/$ date. LogServer = "ming1 ming2 ming3 ming4 ming5"For server in $ ServerDoPing = '/bin/ping-C 4 $ server | grep % | awk-f [: ""] +' {print $6} '| tr-d' %''Ping2 = '/bin/ping-C 4 $ server | grep % | awk-f [: ""] +' {print $8} '| tr-d' %''If [$ Ping-EQ "0"]ThenEcho "$ server is OK">/log/ping/$ date. LogEli

(RecommendFactory.SIMILARITY.EUCLIDEAN, Datamodel); Userneighborhood Userneighborhood = Recommendfactory.userneighborhood (RecommendFactory.NEIGHBORHOOD.NEAREST, Usersimilarity, Datamodel, neighborhood_num); Recommenderbuilder Recommenderbuilder = Recommendfactory.userrecommender (usersimilarity, UserNeighborhood, true); Recommendfactory.evaluate (RecommendFactory.EVALUATOR.AVERAGE_ABSOLUTE_DIFFERENCE, recommenderbuilder, NULL, Datamodel, 0.7); Recommendfactory.stats

Tags: c + + database MySQLBrief scenario:1. At the beginning of the mail alarm, the DB process memory is more than 5G.2. DB outage after 1 hours3. Check the log and find that MySQL statement execution is slow. A log warning appears starting 18:30.Wrote a program to test the speed of the database execution. Even the native database executes 1000 statements, time 500ms or so. Even the other machine database executes 1000 statements, Time 8s or so. The server's database execution thread 500ms execu

Oracle Trace File Analyzer (TFA) Collector. 2017/01/11 03:05:29 Clsrsc-363:user ignored prerequisites during installation OLR initialization-successful2017/01/11 03:06:43 clsrsc-330:adding clusterware entries to file ' oracle-ohasd.conf ' Crs-4133:oracle High Availability Services have been stopped.Crs-4123:oracle High Availability Services have been started.Crs-4133:oracle High Availability Services have been stopped.Crs-4123:oracle High Availability Services have been started.crs-2791:startin

) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/70/41/wKioL1W1qdGDeudNAAQUiur_yko934.jpg "style=" float: none; "title=" Enterprise MongoDB outage -5.jpg "alt=" Wkiol1w1qdgdeudnaaquiur_yko934.jpg "/>650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/70/44/wKiom1W1p-fypJmbAAWc8F4xiSk925.jpg "style=" float: none; "title=" Enterprise MongoDB outage -6.jpg "alt=" Wkiom1w1p-fypjmbaawc8f4xisk925.jpg "/>650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/70/41/wKioL1W1qdLgtv02AAZ0