Barracuda & row_format=compressed to assist denormalization (ERROR 1118) (no...
I am wanting to execute a create table as select statement to essentially materialize a view in a read-only slave to generate configurable reports. The select spans 19 tables and brings in a fair...
View Articleerror in code (1 reply)
CREATE TABLE hfa_system( s_no SMALLINT UNSIGNEDD NOT NULL AUTO_INCREMENT, year CHAR(4) NOT NULL DEFAULT(0000), gm_vehicle_code VARCHAR(10) NOT NULL, model VARCHAR(20) NOT NULL, sunroof ENUM('yes',...
View ArticleMySQL Server Fails to Start on PowerPC Architecture (1 reply)
I downloaded the source code of MySQL and compiled it according to the instructions. Then, I in the /usr/local/mysql/bin folder I did ./mysqld_safe --user=root & The mysql server started and...
View ArticleBUG IN VERSIONE 5.7.3-M13 (no replies)
I've installed a version 5.7.3-m13 of mysql server, and use a same configuration of my previous installation version 5.7.2, but i see on server log Always the same error on database start. server log:...
View ArticleMaximum number of user conect at time (1 reply)
Hi, Please let me know, number of user connect on MySQL serve at time. Thanks Abhishek
View Articlehow to troubleshooting mysql session hang with __lll_lock_wait (3 replies)
I am using MySQL version Server version: 5.5.12-eb-5.5.12-log on on linux 2.6.32-279.el6.x86_64, CentOS release 6.3 (Final). Many sessions on MySQL hang, no high load/high IO usage Using Pstack and...
View ArticleError #1025 150/152 (no replies)
Hello ! When trying to delete a foreign key from my table MYTABLE, I get this error message: #1025 - Error on rename of '.\mydb\#sql-1de4_60' to '.\mydb\MYTABLE' (errno: 150). I tried to look up the...
View ArticleHow can i synchronize table1&table3，table2&table5？？ (no replies)
Scene： PC A：DB A（table1+table2）； PC B：DB B（table3+table4）； PC C：DB C（table5+table6）。 How can i synchronize table1&table3，table2&table5？？ (And the data of table2 can't synchronize to PC B;...
View ArticleHeavy data lost in InnoDB after a bad-shutdown (no replies)
Hello, I had a bad day with InnoDB... After a power-off my DB lost 6-days of data, i can not understand why. The server could start correctly, however in log files I found a log sequence error:...
View ArticleCheck replication type mysql (no replies)
I want to check the replication type for my master-slave setup that whether it is row based or statement based.. how can I do this? I am using mysql 5.6
View Articlewrong index length from from preceding table (2 replies)
mysql version: 5.6.10-enterprise-commercial-advanced Create Table: CREATE TABLE `t_1` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `num` bigint(20) unsigned NOT NULL, `start_time` timestamp NOT...
View ArticleHelp with ibdata1 file (1 reply)
Hello good night. I need someone expert to mySql and file ibdata1 I have an file ibdata1 and need to read or extract the information from there. I don´t have a .sql file, our question is if some can...
View ArticleUse slave to change innodb_file_per_table (2 replies)
We have a case of the ibdata1 file having gotten large. We are looking at the processes to reduce that file. There is plenty of good samples of what is required to be done to shrink the file via...
View ArticleInnoDB: Error: io_setup() failed with EAGAIN after 5 attempts. (no replies)
Hi, I try to setup my first server. A virtual one. I installed everything following the guide at http://www.howtoforge.com/perfect-server-debian-wheezy-apache2-bind-dovecot-ispconfig-3-p3. I had some...
View ArticleDatabase keeps crashing - Assertion Failure? (no replies)
Hello MySQL community! I am about at the point of pulling my beard off trying to troubleshoot this issue with my production webserver. The machine is a CentOS 5.3 machine with Cpanel 11.40.1 Build 8...
View ArticleForeign Key creation in forward engineer (no replies)
I forward engineer a database and my foreign key create statement is like CONSTRAINT `fk_Activity_Activity Source Type1` FOREIGN KEY (`Activity_Source_Type_Identifier`) REFERENCES...
View ArticleA foreign key constraint already exists. (no replies)
Hi all. I'm running dropping foreign key and then adding one, but I can't add it due to error like 'A foreign key constraint of name `database`.`FK26B104525300CC1` already exists.' Is it possible that...
View ArticleMySQL 5.7 DMR: Transaction life cycle improvements (no replies)
http://mysqlserverteam.com/transaction-life-cycle-improvements-in-5-7-3/
View ArticleProblem with ibdata1 (no replies)
Hi. I have a problem in a database for a couple of tables that use InnoDB. Precisely because of this, I want to convert them to MyISAM executing this query: alter table TABLE_NAME engine MyISAM; The...
View ArticleAdding partition does not work (1 reply)
I am doing this: http://dev.mysql.com/doc/refman/5.5/en/innodb-raw-devices.html in order to using a second partition. I uncomment and edit these lines: innodb_data_home_dir = innodb_data_file_path =...
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