mac so slow

Android Simulator has been known for its slow speed, this article describes the use of Intel HAXM technology for the Android simulator to accelerate, so that the simulator is comparable to the real machine, to solve the problem of slow simulator operation. Intel HAXM (Hardware accelerated Execution Manager) uses hardware acceleration based on Intel (R) Virtualization Technology (VT), so CPU support VT is r

Directory I. Optimization Overview Ii. query and index optimization Analysis 1. performance bottleneck locating Show command Slow query log Explain analysis Query Profiling Analysis Query 2 Index and Query Optimization Iii. Configuration Optimization 1) max_connections 2) back_log 3) interactive_timeout 4) key_buffer_size 5) query_cache_size 6) record_buffer_size 7) read_rnd_buffer_size 8) sort_buffer_size 9) join_buffer_size 10) table_cache 11) max_

MySQL clears slow Query filesThis chapter describes how to generate a new slow Query file online when the slow Query file is large. Test environment: mysql 5.6.21 step configuration slow query default my. the cnf file is in the/etc/directory vim/etc/my. cnf # slow_queryslow_query_log = 1 # enable

MySQL Slow Query Log) Like most relational databases, log files are an important part of MySQL databases. MySQL has several different log files, such as error log files, binary logs, common logs, and slow query logs. These logs help us locate the internal events of mysqld, database performance faults, record the change history of data, and recover the database. This document describes general query logs. 1.

MySQL itself supports slow query logging, which can be configured to log queries that exceed a specific time in SQL queries. This is a very effective tool in optimizing SQL queries to help us quickly locate the SQL that has the problem.　　Variables commonly used in slow query logs　　long_query_time : The minimum value is 0, the default is 10 milliseconds, and only SQL that exceeds the query time is logged, wi

The MySQL slow query log provides query information over a specified time threshold, providing a major reference for performance optimization, and is a very useful feature.MySQL Slow query log is very simple to open and configure, you can specify the recorded file (or table), over the time threshold, etc. can be recorded to slow SQL,To be honest, the MySQL config

MySQL slow query log MySQL supports slow query logs. You can configure query records that have exceeded the specified time for SQL query to log. This is a very effective tool in optimizing SQL queries and can help us quickly locate the problematic SQL statements. Common variables for slow query logs Long_query_time: the minimum value is 0. The default value is 10

Label:OverviewThis chapter mainly writes about how to generate a new slow query file online when the slow query file is very large. Test environment: MySQL 5.6.21 StepsConfigure Slow Query The default my.cnf file is in the/etc/directory Vim/etc/my.cnf #slow_query slow_query_log=1# turn on slow query slow_query_log_file

MySQL slow query log configuration and use tutorial, mysql Log use tutorial Preface MySQL slow query log is a feature we often encounter in our daily work. MySQL slow query log provides query information that exceeds the specified time threshold and provides a major reference for performance optimization, is a very practical function, MySQL

Slow Query Log1. The slow query log is logged when the query does not return results for a certain amount of time.2. The slow query log helps DBAs find SQL statements that perform inefficiently and help with database optimization efforts.3. The slow query log is not turned on by default, and it does not have to be turn

Paragon NTFS for Mac 15.0.911 hack (Mac OS X) grants full read and write accessibility! Publish, edit, copy, move, and delete data files on NTFS volumes on your Mac! Fast, smooth and simple to use. Install, uninstall, format, support, or place a Windows NTFS volume, such as starting a push.Paragon NTFS for Mac features

MAC OS Virtual Machine installation method Recently upgraded your computer to SSD, and finally the capacity to install Mac virtual machine! After the heartbreak of the installation exploration, tried a variety of installation methods at home and abroad, and finally found a good method on YouTube. Simply summarize the successful installation method: 1,vmware Player 12.1.1-3770994(not available on the old ver

slow query data to the databasePt-query-digest-user = anemometer-password = anemometerpass-review h = 192.168.11.28, D = slow_query_log, t = global_query_review \-History h = 192.168.11.28, D = slow_query_log, t = global_query_review_history \-No-report-limit = 0%-filter = "\ $ event-> {Bytes} = length (\ $ event-> {arg }) and \ $ event-> {hostname} = \ "$ HOSTNAME \""\/Usr/local/mariamysql/data/localhost-slow.log After the command is executed, the h

In MySQL5.1 slow query logs, slow queries without indexes are the same as those with indexes. To prevent slow queries without indexes from being recorded in slow query logs, use -- log In slow query logs of MySQL 5.1, slow queries

Use MySQL 5.7.9 as the monitoring database for Zabbix 2.4.7. Some time ago opened a slow query log, and later found that the slow query log expanded to 700M See the last 100 most of them are 0.1 seconds later want to change, previously is the dynamic set global slow_query_log=1; Way of. Then you want to use the configuration file directly/etc/my.cnf with slow q

InstallationMysqlsla is a feature that helps with parsing, filtering, and sorting of MySQL slow query logs, binary logs, and more. Overall, the functionality is very powerful. can make SQL query data report, analysis including execution frequency, data volume, query consumption, etc.And the tool comes with similar SQL statement to the function, can be sorted according to the specified way (for example, when analyzing the

MySQL's slow query log is a log record provided by MySQL, which is used to record statements in MySQL that have a response time exceeding the threshold, specifically the SQL that runs longer than the Long_query_time value, and is recorded in the slow query log. The default value of Long_query_time is 10, which means to run more than 10S of statements. By default, the MySQL database does not start the

Enter Regedit in "run" in the "Start" menu, open the Registry Editor, and expand the Registry to: hkey_local _ machine/system/currentcontrol set/control/class/sub-key, find driverdesc in the branch of the sub-key, such as 0002, 0001,000 (if you have more than one network card, there will be 2 ...... the information about your Nic is saved here. The driverdesc content is the NIC Information Description, for example, my Nic is Intel 21041 based Ethernet controller ), assume that your network card

Php obtains the mac address of the server and the mac address of the client. it supports WINLINUX. The code for getting the mac copy code of the server is as follows :? Php ** obtains the original MAC address of the NIC. Currently, the physical (MAC) address of the NIC can b

Install maven on Mac and maven on Mac 1. Install maven 1. Check the jdk version on the local machine first. $ java -versionjava version "9.0.4"Java(TM) SE Runtime Environment (build 9.0.4+11)Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode)$ 2. Download the corresponding maven version based on the jdk version. Http://maven.apache.org/download.html, For example, apache-maven-3.5.2-bin.tar.gz and