mysql insert slow

MySQL slow query log is useful for tracking problematic queries, can be analyzed in the current program has a very resource-intensive SQL statement, that how to open MySQL slow query log records it? In fact, open MySQL slow query

Solve the problem of slow remote connection to mysql (mysql_connect slow connection) bitsCN.com finds that network communication is normal after ping and route, and it is very fast to perform local connection on the mysql machine, therefore, network problems are basically ruled out. I have encountered such a problem be

MySQL Slow queryIn web development, we often write some SQL statements, a bad SQL statement may make your entire program very slow, more than 10 seconds the average user will choose to close the Web page, how to optimize the SQL statement to run those long-running SQL statements to find out? MySQL provides us with a ve

, general, binary, MSL, UDL, and slow log when analyzed by a slow.2)-sort:Define what parameters to use to sort the analysis results, by default, by T_sum.T_sum: Sorted by total timeC_sum: Sorted by total number of timesThe percentage of the total execution number of C_sum_p:sql statement executions.3)-top:Displays the number of SQL, which defaults to 10, indicating how many of the first items sorted by rul

Analysis of MySQL Slow log is the operation of the work, not less. To quickly locate slow SQL, and to optimize SQL after discovery and to modify the business, ensure that the database works stably and efficiently. Here is my work to solve the idea ...1. View local database slow log files first650) this.width=650; "src=

Android is using SQLite database, SQLite is a relatively lightweight database,sqlite by default when inserting data by default a statement is a transaction, how many data there are disk operations. Inserting 10,000 records at a time is about 10,000 read and write disk operations, resulting in slow speed.Workaround:Add a transaction, insert 5,000 as a transactionDatabase.begintransaction (); Set up a start t

commitDb.endtransaction ();//Processing Completedb.close ()}The fourth kind: sqlitestatement personal prefer this way, the data processing look very clearString sql = "INSERT into table name (corresponding column) VALUES (?)" = db.compilestatement (sql);d b.begintransaction (); for (DataSet) { ///loop the data to be inserted}db.settransactionsuccessful ();d b.endtransaction ();d b.close ();Summary: The above several methods are used in the databas

Recently, a development team complained that the mysqlcluster on our platform was not good and always reported mysql heartbeatError. after analyzing the logs they collected, they did not find any network problems between mysqlcluster nodes, however, I found a very interesting phenomenon. Recently, a development team in mysql's sl complained that the mysql cluster included in our platform was not good and al