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0
votes
1answer
97 views

Setting innodb_buffer_pool_size in for Mysql

We have a dedicated DB box with with 8 GB of RAM and running Redhat linux 64 bit OS. Our MySQL Data + Index size almost 7.8 GB. About setting innodb_buffer_pool_size, I have read 2 suggestions Set ...
0
votes
1answer
304 views

CouchDB administrator password reset

I have an install of couchDB, and somewhere along the line, a malformed request via CURL has my admin accound with a password that I don't know. Short of setting up another Couch server, then ...
5
votes
2answers
5k views

How to undo assigning ownership of db_datareader/db_datawriter schema?

i meant to assign an SQL Server login to the db_datareader db_datawriter database roles. But if a moment of sore tummy and tiredness, i accidentally give that user schema ownership of them ...
0
votes
1answer
382 views

Why won't Postgres start after stopping it?

Postgres was running just fine (I have created a database using template0). Then, I used: $ /usr/local/pgsql/bin/pg_ctl -D /usr/local/pgsql/data stop --mode=smart to stop Postgres and it stopped ...
1
vote
0answers
23 views

My transactional overnight batch has spiked in duration

I have an overnight batch run which is transactional...picking up data doing some small calculations and putting it somewhere else and it was finishing around 3am every day for the last 2 months. Now ...
-1
votes
1answer
39 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 ...
0
votes
1answer
3k views

Command to list event monitors in DB2

I see the following commands: drop event monitor set event monitor create event monitor But nothing like list event monitor or get event monitor. Is there a DB2 command to list all current event ...
1
vote
1answer
954 views

Is it possible to increase the max limit of 10 pc's to any number of times without making the user a domain admin?

Normally a domain user has a maximum limit for 10 computers to join to a domain. But what i want to know is, is it possible (by joining a account to a group) to do this any number of times without ...
0
votes
1answer
1k views

Get permissions in fixed or user-defined server roles in SQL Server 2012

I'd like to know how to get a list of permissions that belong to fixed and/or user-defined server roles in SQL Server 2012. In previous versions there was an sproc sp_srvrolepermission but this is ...
-2
votes
4answers
865 views

will a 100GB database with large tables on MSSQL 2008 server run on a 3GB RAM system? [duplicate]

This will be only for testing and developing. I have a 100 GB DB I am working on and need a sanbox envorinment. The only hardware I have is a desktop with 3GB and 32bit. I am able to install SQL 2008 ...
0
votes
2answers
231 views

Postgresql performance enhancement

I have my setup like this: Two separate instances of the database on a clustered environment. Both instances are on dedicated servers each carries up to the standard configurations. Instance one (R1)...
0
votes
2answers
1k views

MariaDB set maximum database size to 1 GB

I'm using MariaDB on my hosting. I would like to limit database size to 1 GB. How to do this properly in /etc/my.cnf ?
4
votes
3answers
9k views

1286 - Unknown storage engine 'InnoDB'

I am trying to use roundcube and it recently just broke. I don't know if this is due to a MySQL update that happened recently or not but in phpMyAdmin I get the following error if I try and view a ...
0
votes
2answers
382 views

PostgreSQL, automate REINDEX, Windows environment

I have a couple of PostgreSQL tables (9.1) which are inserted to / deleted from often. Over time they suffer from index bloating even though the autovacuum is configured and runs regularly. I'm ...
3
votes
3answers
6k 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 ...
0
votes
1answer
206 views

Replicate from slaves to master and viceversa

I've a great dilema here and didn't know how to solve it. I need to replicate a few tables from MySQL DB (slaves) to MySQL DB (master). Take as an example this: MySQL DB (master) table1 table2 ...
11
votes
3answers
21k views

Changing host permissions for MySQL users

I have the following grants for a user/database mysql> SHOW GRANTS FOR 'username'@'localhost'; +---------------------------------------------------------------------------+ | Grants for username@...
8
votes
2answers
10k 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 ...
0
votes
1answer
129 views

How do I install a previous version of Postgresql in debian?

I am running debian squeeze. I want to install a previous version of postgresql. The current version in the postgres debian repository for 9.0 is 9.0.12. I specifically need to get 9.0.8. How can ...
-1
votes
1answer
383 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 ...
0
votes
1answer
2k views

Native Postgresql 9.2 Streaming Replication

I'm trying to build up native postgresql 9.2 streaming replication in the Amazon cloud. According to documentation, I've set up everything correctly - but at the slave I get these logs: 2013-02-04 ...
1
vote
1answer
71 views

dropping a MySQL table in a method complying to the Department of Defense Data Clearing and Sanitizing Standard

I need to delete a set of MySQL tables for a client in a manner that's compliant with the Department of Defense Data Clearing and Sanitizing Standard. I've a list of acceptable tools including wipe, ...
0
votes
1answer
188 views

Backup and bz2 large mysql datefile with innobackupex in the background

I'm using the following command to backup a large running mysql database (~500GB). innobackupex --user=user --password=***** --stream=tar ./db-backup | bzip2 - > backup.tar.bz2 Since the backup ...
0
votes
1answer
46 views

Installing MS SQL Server 2008 R2 Utilizing Data Array

Maybe I can't put together a query that finds what I am looking for on the Internet, but I want to make sure this is done right. I have a new server that has Windows Server 2008 R2 loaded onto a RAID ...
2
votes
2answers
539 views

What tool generated this report of MySQL server performance?

I found this report on the performance of a MySQL server. I would like to be able to generate this report for my own server, but I don't know what tool they used. Does anybody recognise this report? ...
1
vote
0answers
32 views

Move one site in Wordpress Multisite setup

I have a Multisite Wordpress setup with a dev box and a live. Whenever my developers change a theme on one of the sites or add a page/post/any other content on the deb box, I have to take the whole db ...
1
vote
2answers
596 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% ...
0
votes
1answer
48 views

DB Migration switching from MySQL [closed]

I currently have a massive MySQL Data but would like to move over to Cassandra nosql. How hard of a move over would this be? I've not found any examples yet on this being done. It is possible right.
2
votes
1answer
5k views

Unable to start SQL Server Instance 2008 R2 - DB file corrupt

I was not able to start the SQL Server 2008 R2 production DB instance. After reading the log file error message is " The log scan number passed to log scan in database ‘master’ is not valid. This ...
2
votes
1answer
538 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 [ --...
1
vote
1answer
129 views

Are there measurable benefits to running XFS on EC2

I am looking at creating a PostgreSQL database image (to run on Amazon EC2) and I have heard good things about XFS. However, since ultimately you are running in a VM, the gain of XFS on EC2 might ...
0
votes
1answer
171 views

All users can read SSAS all Cubes

I found that all my domainusers can read the cubes in my Microsoft Analasys Services. I have no roles specifying that. Neither the domain admins nor the local admins contain any group that would ...
6
votes
4answers
2k views

Testing MySQL Database Replication / Synchronization

I'm setting up a MySQL Master database which replicates to a few Slave databases. My question is what are the best practices to monitor and / or test that the slave databases are up-to-date, and that ...
3
votes
3answers
2k views

How to change default recovery for new databases?

How can i configure the database server on our development server so that when new databases are created that they are Simple recovery model by default? Currently if we remember, when creating a ...
1
vote
1answer
115 views

Table Space and Data Sized increased multiple times after power failure

We had a total power failure on our 2 node cluster using SQL Server 2008 (10.0.2531) Standard Edition. After recovery, everything is running fine. One issue I discovered is the Table Size and the Data ...
0
votes
1answer
509 views

MySQL in amazon AWS: backup and disaster recovery - EBS snapshots v/s RDS

I will be uploading a web application to amazon ec2 instance in the next couple of weeks. I am using : windows server 2008 r2 64 bit as an amazon instance along with a 30 GB EBS. The only confusion i ...
8
votes
2answers
11k views

Can't Login to phpPgAdmin

I'm trying to set up phpPgAdmin on my test machine so that I can interface with PostgreSQL without always having to use the psql CLI. I have PostgreSQL 9.1 installed via the RPM repository, while I ...
2
votes
1answer
64 views

Copy a database from Denali CPT3 to SQL 2008 R2

Ok, officially this one is messing with my head. I had the worst idea to try out the SQL server Denali CPT3 when it came out on our development environment. And it seemed ok so we used and gathered a ...
1
vote
1answer
60 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 ...
4
votes
1answer
4k views

Is it safe to modify innodb_data_file_path value for mysql 5?

I recently experienced data corruption after changing the value of this parameter in my.cnf from : innodb_data_file_path = ibdata1:10M:autoextend:max:128M to : innodb_data_file_path = ibdata1:10M:...
1
vote
2answers
326 views

create a 'definition' file from Oracle

I have inherited an oracle database, and have no Oracle experience. I have been tasked with building a 'clone' of the database on a new server. I am searching around, but not finding the things I am ...
2
votes
4answers
3k views

How to load large SQL file into mysql

I have a database backup of a MySQL database that is about 250MB. I made it with mysqldump I was trying to load it on another server like so: mysql -u xxxx -pxxxx data_mirror < dbdump.sql I was ...
1
vote
1answer
410 views

MySQL connection issue with error 2003 / 111

I'm running a mysql server using the following command: mysqld --no-defaults --user=root --port=3310 --bind-address=0.0.0.0 --skip-grant-tables & My understanding is that this command starts ...
0
votes
1answer
214 views

ASP.NET Application Connection String and SQL Server Security / Permissions

I am deploying an ASP.NET application and SQL Server (2008) database on a live (production) server. The physical server is running both SQL Server 2008 and IIS 7 - it is provided by a hosting company ...
2
votes
1answer
30 views

Formatting data from management database

I've got some data that goes like this: Config_Name Question Answer Cisco WAN Sensitivity: High Cisco WAN Authorized Users: Brent, Charles Cisco WAN Last Audited: n/a ...
4
votes
2answers
1k views

MySQL 5.5.16 allows anonymous connections

Apparently, I can connect to MySQL (at least from my localhost) without having to provide any username or password. I can even put anything as username, as long as the password is empty. I have access ...
1
vote
2answers
431 views

[MySQL]multiple-masters single-slave

Is is possible to have a setup where multiple mysql servers (containing different databases) are replicated in a single mysql slave server ? If yes, how to do it ?
1
vote
5answers
616 views

Mysql large database backup

How can I backup a large database in mysql? Folder size of Database is more than 5GB & contains 1.5 Lakh tables. I have tried to backup server through phpmyadmin but no luck.
0
votes
4answers
541 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 ...
1
vote
1answer
2k views

DB2 Integrity Checks and Exception Tables

I am working on planning a migration of a DB2 8.1 database from a horrible IBM encoding to UTF-8 to support further languages etc. I am encountering an issue that I am stuck on. A few notes on this ...