-1
votes
1answer
35 views

InnoDB Failure of some kind [closed]

I have MySQL 5.5 installed. I tried to install Joolma but it failed. I went into their sql and replace EGNINE=InnoDB with MyISAM and the install worked. InnoDB is listed under SHOW ENGINES; Any idea ...
1
vote
2answers
1k views

MySQL Table not repairing

Table info: Database name: user_motiva Table name: wp_options.frm wp_options.MYD wp_options.MYI wp_options.TMD when I do a mysqlcheck -r --all-databases it gets hung on that table even if you ...
2
votes
1answer
3k views

How to calculate max_connections for PostgreSQL and default_pool_size for pgbouncer?

Is there a rule or something I can use to calculate a good number for max_connections, default_pool_size and max_client_conn? The defaults are odd. PostgreSQL defaults to max_connections=100 while ...
-1
votes
1answer
219 views

MySQL Configuration on my.cnf [closed]

[mysqld] core-file default-storage-engine=MyISAM max_connections = 5000 max_user_connections = 5000 key_buffer = 1024MB myisam_sort_buffer_size = 512M join_buffer_size = 256M read_buffer_size = 256M ...
1
vote
2answers
280 views

Low priority batch processes on live Mongo database

We want to run MapReduces on our live Mongo database, mainly so that we can extract metrics. However, we've had some bad outages caused by these MRs bogging down the Mongo server (in particular 100% ...
2
votes
1answer
254 views

Using mongodump with an auth enabled mongodb server

I'm trying to do a daily backup of my mongodb server (auth enabled) using the mongodump tool. mongodump provides two parameters to set the credentials: -u [ --username ] arg username -p [ ...
0
votes
1answer
58 views

Index Proposals

As a theoretical database question, if you are asked 'which indexes would you propose and why?' are the answers from primary, clustering and secondary index? How would we know if we should introduce ...
0
votes
4answers
346 views

Mysql Slow queries log

Is their any way to filter mysql slow queries database specifically from /var/log/mysql/mysql-slow.log file. I have a mysql server with 5 live databases. I am trying to optimize this server. Also I ...
0
votes
3answers
219 views

Finding an optimal balance of I/O, CPU, and RAM for MySQL

For a long time I’ve wanted to know how MySQL scales as you add more memory to the server.We looked for a balance between utilizing the hardware as much as possible, limiting the system complexity, ...
1
vote
4answers
2k views

how to restore my mysql 5.1 on ubuntu 10.4?

I am in big trouble not able to access my mysql server.. after restarting grep mysql /var/log/syslog is showing Jul 30 14:30:23 of-desktop kernel: [ 4763.427066] type=1505 audit(1280480423.517:20): ...
10
votes
13answers
4k views

Linux knowledge a Junior cannot miss [duplicate]

Possible Duplicate: What a beginner should know/learn for sysadmin job? I am soon going to be graduating from college, and am looking for job offers right now. There is one that I have a ...
12
votes
8answers
10k views

Any good PostgreSQL client for linux? [closed]

stackoverflow points me "belongs-on-serverfault" on this, so crossposting. I am frustrated of not having a good Linux GUI administration and development tool for PostgreSQL. pgAdmin III is buggy ...
46
votes
9answers
54k views

How can I export the privileges from MySQL and then import to a new server?

I know how to export/import the databases using mysqldump & that's fine but how do I get the privileges into the new server. For extra points, there are a couple of existing databases on the new ...
4
votes
4answers
7k views

Can you explain exporting and then importing ProgreSQL using phpPgAdmin? (And what's with permissions?)

Bounty Edit: I've left the original question but would like a good answer on the whole permissions debacle that Postgres seems to bath in. 'Importing & exporting clients db's: A field guide' I ...