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' user ' column of the Processlist table. --match-host=pattern match the ' host ' column of the Processlist table. --match-db=pattern match the ' DB ' column of the Processlist table. --match-command=pattern match the ' COMMAND ' column of the Processlist table. --match-info=pattern match the ' info ' column of the Processlist table. --match-state=pattern match the ' State ' column of the Processlist table. --age=age Show only processes that has been in the current state more than a given time.

Tags: mysql multi-table queryToday to help run the data found that SQL execution is very slow, well, according to the previous writing habits, and later with the architect to analyze the discussion, improved, the current record analysis is as followsFirst, the test table, SQL caseset @bgDate = ' 20171213 '; set @edDate = ' 20171213 '; /* Number ①*/selectta_id,sum (tb.amount), SUM (Tb.fee) from (selectorder_no,ta_idfromtable_ awhereta_status=100andta_channel_merch_no= ' 201712130001 ' andsettle_

isa to get the> parent's size, and add it to self to establish a base address. The> only> hard-coded offsets would then be relative to that base, for the> current> class' own ivars.This has been done before, most notably in IBM/Apple's "SOM" runtimethat was used in OpenDoc in the mid-'90s. The main drawback is that itbecomes more expensive to access instance variables. Instead ofindexing off a constant offset from the object pointer, you have tocall

we all love to hate-is turning over a new leaf. This is true, at least, with its latest iteration of Internet Explorer, the company's Web browser. IE-if you 've already forgotten-was once a great web browser in the mid-90s, usurping the spot of the dominant browser of that Decade: Netscape Navigator. the browser was a market innovator once. Ie9, By The Way It's looking right now, is a vast improvement to the browsers Microsoft has been putting out as

I encountered a problem yesterday, my raspberrypi has entered emergency mode after I plug out the power cord directly, I searched in the internet, it said need to check the file system because of power loss, I used ckfs and e2fsck command to fix the partition, but it still doesn't work, I found that it shows "a start job is running for dev-sda1.device" and timed out. I searched the problems, it said thatSolution:Cause: the swap partition ID is not found. Therefore, the latency is 90 s.Method: ls

/conf/, the name may change, like some installation package is laproxy.conf, anyway, is **proxy.conf file. Proxy_connect_timeout 60; proxy_send_timeout 600; proxy_read_timeout 90; proxy_buffer_size 128k;proxy_buffers 8 128k; proxy_busy_buffers_size 256k; proxy_temp_file_write_size 100m; The first item is the connection time, the front-end connection backend time, within 60s, the second is the sending time, allowing the back end of the time to return data, within

Cause of the problem:Recently, due to the actual needs of the work, the calculation method of a computational unit needs to be reconstructed. The reason is that because the calculation unit is computationally time-consuming, a single calculation takes approximately between 1s-2s, and new requirements require that approximately 1500 compute units be calculated within 20s. If the calculation method of the original calculation unit is not optimized and efficiency improvement, then 8-core CPU (Hyper

manual periodic major Consolidation of storefile files in the compact reduces the number of merges, although this increases the time of the merge and the previous corresponding parameter is Hbase.hstore.compactionThreshold.10.hbase.hstore.compaction.max: The default value is 10, which merges up to how many storefile at a time to avoid oom.11.hbase.hstore.blockingstorefiles: The default is 7, if any one store (non. META. Table Store) has a storefile number of files greater than this value, the f

Listening to the broadcast in Linux is really good-Linux general technology-Linux technology and application information. The following is a detailed description. Author: m4a1 You can use the rhythmbox in gnome directly. The "radio" section contains some nice music broadcasts. The Virgin radio station is cool. You can try all the English songs you like. After searching for a period of time on the Internet, it seems that the domestic online broadcast performance is relatively poor. We recommend

How to improve execution efficiency for ($i =0; $i {$var = Explode (",", $r [$i]);$barcode = $var [0];$num = $var [1];$sql = "INSERT into". $t. " ' (Barcode,num) VALUES (' ". $barcode." ', ' ". $num." ') ";echo $sql. '';mysql_query ($sql);} A total of more than 6,000 records, if each record is executed insert into, consumes a long time, more than the default of 90s. Is there any way to improve execution efficiency? Share to: ------Soluti

content with social connections, their success doesn' tNecessarily translate into the specified cial space. And while it'sTempting for developers (and their clients) to want to jump ontoVirtual bandwagon of development fads, it's important to examine whatYou're trying to accomplish before hopping on board with newTechnology. What might seem cool and cutting edge today might seemPretty darn silly next quarter.So to help you save money, development time, and clientRelations, today we present the

/nginx/conf/waf/runtime.lua'; Lua_package_path"/usr/local/openresty/nginx/conf/waf/?. Lua"; Sendfile on; Keepalive_timeout65; server {Listen80; server_name localhost; Location/{proxy_pass http://${a}; Proxy_redirect off; Proxy_set_header Host \ $host; Proxy_set_header X-real-IP \ $remote _addr; Proxy_set_header X-forwarded-For \ $proxy _add_x_forwarded_for; } error_page500 502 503 504/50x.html; Location= /50x.html {root html; }}}eofsed-I."s#basedir = '/data/www/wa

Original address: https://www.nervanasys.com/demystifying-deep-reinforcement-learning/Author Profile:About the Author:tambet MatiisenTambet Matiisen is a PhD student in University of Tartu, Estonia. After working in industry for a while and founding his own SaaS startup, he decided to join academia again. He hates programming and is interested in making the machines learn the same as humans do. He shares his life with dog-obsessed wife and both out of hand kids. At less busy moments he enjoys ob

If you are interested in Linux user-state driver development, please read this article, otherwise please drift over.user-space Device Drivers in linux:a First Look | initial knowledge of Linux User state device driversuser-space Device Drivers in linux:a first look Mats liljegrensenior software ArchitectDevice drivers in Linux is traditionally run in kernel space, but canDrivers in user space, trying to answer the questions in what degreeThe driver can run in user space and what can is gained f

worker_connections, and the setting of the Worker_connections value is related to the physical memory size, because the maximum number of files the system can open and the internalThe number of files that can be opened on a machine with 1GB memory is approximately 100,000, so the value of the worker_connections depends on the number of worker_processes processes and the system can be opened.The maximum number of files to be set appropriately.I, Keepalive_timeout: set to 65 or so can2.2 Configur

Center Server (microservice-config-server)4.1. pom.xml FileXmlns:xsi= "Http://www.w3.org/2001/XMLSchema-instance"xsi:schemalocation= "http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" > //192.168.6.130:5678true4.2. application.yml FileServer:port:9518Eureka:instance:prefer-ip-address:true# Open Health Check (requires spring-boot-starter-Actuator dependent) lease-expiration-duration-in-seconds:90#续约到期时间 (unit S) By default is 90S