Tagged Questions

1
vote
2answers
175 views

Stress test MySQL with queries captured with general log in MySQL

Is there any tool available which can do stress testing using the log file created by MySQL general log? After a lot of search on google I found few stress testing tools which only use some benchmarks ...
1
vote
3answers
98 views

Anyone want to try a script bash or python?

I need to automate master binary log purging to occur so that purging never goes back further than the last slave has the updated info for. These slaves are mobile and there are 3 of them, and sync ...
1
vote
1answer
122 views

MySQL Point in Time Recovery For Just a Single Schema?

Is it possible to simply restore a single schema and bring it to a point in time (Say three hours ago) without bringing the entire database back? I can think of a lengthy method of backing up each ...
2
votes
1answer
159 views

mysql logging activity from specific user or ip

I have mysql server. The server is accessed by my application, and by external auditor (person using mysql workbench). The auditor has specific user and password and dedicated IP and it is granted ...
1
vote
1answer
121 views

MySQL binary logs - skip a table

Is there a way to skip a specific table in the binary logs? I've got binary logs configured as my incremental backup strategy between nightly backups. But we have one huge reference table that we're ...
2
votes
2answers
205 views

Enable slow_query_log tries to write to slow_log.CSV

I'm running MySQL 5.5 I wanted to truncate the slow log file, so I did: SET GLOBAL slow_query_log = 0; then truncated the file in filesystem. But, when I enable it back it fails: SET GLOBAL ...
0
votes
1answer
139 views

Saving every mysql user login attempts

Is there a way to save the username and the IP from which the user tries to login to a MySQL server?? Enabling general-log seems to log everything but that seems to write too much details taking more ...
1
vote
1answer
176 views

MySQL Slave Relay Logging but not logging Binary Log

I have a master slave setup both mysql 5.5, the setup is fine except that the slave won't Binary log to the standard mysql-binlog only to the relay logs. I fear this may be due to my lack of ...
2
votes
2answers
424 views

Large files in wamp\bin\mysql\mysql5.5.24\data directory

I have discovered these files located in the wamp\bin\mysql\mysql5.5.24\data folder on my Windows 2008 server. They are consuming about 22 GB on a 40 GB drive. I am using a LMS called moodle, that ...
2
votes
2answers
239 views

Redirecting MySQL errors and slow logs into another database

I am running a number mysql servers as slaves and masters. It is quite annoying to look for slow logs and errors in every server, so I would like to log all the errors into external database. DB1 ...
0
votes
1answer
108 views

Reporting tools for MySQL Enterprise Audit Log

Oracle recently came out with the MySQL Enterprise Audit plugin. However, currently there is no integration with their Audit Vault or DB Firewall products for robust filtering, reporting, etc. But ...
0
votes
1answer
56 views

What is stored in mysqld-slow.log?

My MySQL log directory contains the following files: 7.9K mysqld.err-old 4.0G mysqld-slow.log 94 mysql.log 93M mysqld.err mysqld-slow.log contains a long list of queries with some ...
2
votes
1answer
83 views

MySQL - Partially restore binary log

I have restored a dump into MySQL. I also have a binary log, which I want to partially restore, let's say from position 10 - 2500. How can I do that?
1
vote
1answer
838 views

How to log logon logoff and user activity on mySQL server for audit?

My boss wants to have some kind of log on the server running mysql which would log user activity. Kind of like: User blah logged in User blah ran some query User blah logedd off User asdf ...
1
vote
2answers
346 views

Warnings: Why are statements with limit clause unsafe even if there isn't a limit?

I'm a bit irritated because of some warnings in mysql errorlog. Example 1: [Warning] Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement ...
2
votes
3answers
138 views

What is running right now?

I know I can use "show processlist" to see what is running when I'm in the office. How can I see what is running when I'm not there. Something is running on my server at 3am every morning that is ...
2
votes
2answers
228 views

Extract query fingerprints and tables from large log files using pt-query-digest

I tried to parse a large log file using pt-query-digest but it gives "Out of memory!" when I try to read the file. I have 3GB RAM, 40GB empty space on HDD, the file is 20GB. I did not found anything ...
2
votes
1answer
385 views

log_warnings doesn't seem to work for aborted connections in MySQL 5.1

The docs for 5.1 say that I can set log_warnings = 2 to capture Aborted_connects in the error log. This bug report suggests that this was only merged into 5.5 and 6.0 (and maybe 5.2) but not into ...
2
votes
1answer
139 views

Log file for mysql

I would like to know where will my error logged for mysql server. As of now I just see one log that is in /var/log/mysqld.log. I saw some have .err files too am I missing something here? What would ...
1
vote
1answer
423 views

Very Large Log Files

I'm running Windows Server 2008 R2 and executed a large query by accident. Next, the sever ran out of hard drive space. I now have a file in my administrtor documents (log.log) that is over 18GB. I ...
6
votes
2answers
393 views

Investigate peak in MySQL throughput

Recently one of our servers has ran out of memory and crashed. After reviewing the munin graphs, it appears that the only metric (other than memory usage) that peaked just before the crash was the ...
1
vote
1answer
93 views

create more logs in Mysql, pros and cons?

I just install XAMP in my mac and I'm trying to learn by my own, with books, tutorials and you guys. I'm working in the backup part and I saw I have only a LOG "mysql-bin.000001' : What happen when ...
1
vote
1answer
702 views

MySQL flush logs, unknown error

I gave been trying to solve this for few days now, and cant seem to figure this out. I have been trying to set log rotation for mysql slow using linux logrotate feature, and my script seems to get ...
4
votes
1answer
370 views

How are binlogs updated for MySQL temporary tables?

If I use CREATE TEMPORARY TABLE, can I write and update this MySQL table and know that none of it will be stored to the binlogs? If I use data from the temp table to write to a non-temp table, is the ...
1
vote
1answer
979 views

strategy for enabling a general query log on MySQL 5.0.95 with no restart?

I would like to configure a general query log for a busy MySQL 5.0.95 production server without effecting the availability. Obviously I can set the "log" option in the my.cnf file and restart the ...
1
vote
1answer
731 views

mysql bin-log.index not found

I moved my bin-logs to a different folder: log-bin = /storage/mysql/bin-log log-bin-index = /storage/mysql/bin-log.index When I try to start mysqld I get this: /usr/libexec/mysqld: File ...
1
vote
1answer
353 views

mysql error log issue

I have mysql server running successfully. The error log location is as.. mysql> show variables like '%log_erro%'; +---------------+------------------------+ | Variable_name | Value ...
1
vote
1answer
2k views

Mysql master-master replication auto flush old logs

I have mysql-5.1.41 master-master setup running on ubuntu machines and below is the configuration of a master: skip-host-cache skip-name-resolve event_scheduler = ON max_connections = 500 ...
1
vote
1answer
2k views

How to enable MySQL general log?

I would like to enable the MySQL General Log to view all the (slow) queries. I'm using XAMPP as server and have no idea how to enable it. I can't find a good guide on the internet. Can someone help ...
2
votes
1answer
728 views

Why is mysql logging to syslog?

I have installed Multiple MySQL instances and i have two configuration files one for each one is using default location of /etc/mysql/my.cnf. other server i have started like ...
1
vote
1answer
155 views

How to do MySQL User Accounting

I can't seem to find any information on this anywhere. I found a question here called Monitor MySQL activity per database? but that's not quite the answer either. I'd like to be able to log the ...
2
votes
1answer
178 views

mysql emits BINLOG rows even though binlog_­format=­STATEMENT

We have MySQL 5.5 installed, we have the binlog_format=STATEMENT (the default) According to the MySQL Documentation, the binary log should contain SQL statements only, but we still see BINLOG rows in ...
3
votes
1answer
674 views

What does the base64 BINLOG statements in mysqlbinlog output mean?

I have looked over the mysqlbinlog command as a candidate for rollback method from MySQL 5.5 to MySQL 5.0. When I ran the command on one of the bin-log files in the MySQL 5.5 server, I've noticed ...
1
vote
1answer
156 views

How to keep MySQL general_log after I restart my computer?

I use a statement set global general_log = 'ON' to enable the general_log on my computer. After I restart or shutdown it, I have to run the statement again. How can I config MySQL write general log ...
4
votes
3answers
610 views

Log MySQL DB changing queries and users

For security reasons I need a server-side (running Debian 6.0 Squeeze) logging of all queries that may have changed the content of a MySQL DB (v. 5.1) and the user who issued it. I had to rule out ...
1
vote
2answers
515 views

Will improper bin-log purging leads to deletion of mysql database

We had master to master and master to multiple slave environment in one of our client location. In one of the slave Db host we had disk space issue with bin-logs. At first i deleted the bin-log files ...
5
votes
2answers
5k views

How do I output MySQL logs to syslog?

I want to use syslog for logging MySQL(5.1.41) on Ubuntu(10.04 LTS). I found information that output error log to syslog. [mysqld_safe] syslog But I want to use syslog for logging general logs and ...