A widely-used open-source operating system that is particularly popular on servers.

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Why is MySQL making the CPU run at about 80%?

MySQL is eating up about 80% of my CPU for no reason as far as I can see. Right now this server is rarely used, more of a test site I set up that will eventually be a used for production once I fix ...
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1answer
6k views

How to set up tns listeners for Multiple Oracle Installations on One machine

So I have two oracle installations on a development/testing machine (10g and 11g, respectively). The platform is RHEL4. Now I need to have both these oracle up and have tns listeners for them ...
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2answers
1k views

Oracle 11gR2 expdp table converted to CSV from Linux

With Oracle expdp, I can export the tables I want with expdp INCLUDE=TABLE:table1,table2,table3 I need a way to convert this into CSV on a linux machine. I've seen Windows tools but don't know ...
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2answers
3k views

Taking mysql dump from another machine

I have MySql db on Machine A , I have Mysql credentials. And accessing this MySQL from machine B which I have crdential's. But I couldn't take mysqldump from Machine B. Please help me. Both ae Linux ...
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2answers
1k views

MySQL general log

Is there away to have MySQL dump its log to a remote MySQL server? I would like to audit MySQL connections but I don't want the server to store all the information local on its own hardware.
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2answers
2k views

View Postgresql Memory Usage

I'm running Postgresql on a Ubuntu server and need to be able to monitor its memory usage. Currently I have scripts running in a one-minute cron job that monitor/log various statistics and need to ...
2
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2answers
11k views

Oracle11.2g post-installation problem on Oracle Linux kernel

[question copied from stackoverflow] After installation of Oracle 11.2g in silent mode on the Oracle Linux kernel, I have the following error: [u01/app/oracle/product/11/bin] $ sqlplus sqlplus ...
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1answer
3k views

I have lots of free memory. How do I use it to increase performance?

I am running Litespeed (with suExec, PHP SAPI), MySQL, DirectAdmin, named on a VPS with a 16-core Xeon CPU and 2GB RAM. Currently, only 300 MB out of 2048 are used. It might sound a stupid, but how ...
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1answer
730 views

MySQL Tuner OPTIMIZE and Defragmentation

I have just started using mysqltuner to help keep my mysql server fast and healthy. However, I am having a little trouble optimizing my tables. When I execute mysqltuner, it all works fine and returns ...
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5answers
6k views

MySQL said “InnoDB: Initializing buffer pool, size = 128.0M”, does it mean it is using 128MB RAM?

I am just using a very few InnoDB tables (e.g. less than 1MB), but during MySQL startup, it said InnoDB: Initializing buffer pool, size = 128.0M Does it mean even I am using in such a small size, ...
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3answers
4k views

How to convert mysql to postgresql?

I am desperately looking for a conversion tool to convert a big mysql database to postgresql. I need the tool/script to be: Free Works under Linux Simple to use and not buggy You actually tried and ...
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2answers
3k views

Mysql consumes a lot of memory

Here is my situation. I have an ubuntu server monitored by nagios. recently nagios sends alarms regarding the memory consumption on the server. I logged into the server and executed the top command ...
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1answer
2k views

Any Idea how to migrate from PostgresSQL 8.4 to PostgresSQL 9.1.1 in opensuse12.1

I had a crashed opensuse 11.3 that's why I installed opensuse 12.1.. after I installed (via yast) and edited /etc/passwd I do this: rcpostgresql start and this shows on the /var/log/messeges ~ ...
5
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1answer
183 views

Will I need more system resources to run DB2 instead of MySQL?

I need to convert my web application from MySQL to run on DB2. I need to know in advance whether I will need a high spec server to ensure the web application performs at the same speed as it does now ...
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2answers
3k views

MySQL Replication Troubleshooting

Here's what I did. On the master, change /etc/my.cnf: [mysqld] server-id=1 log-bin=mysql-bin innodb_flush_log_at_trx_commit=1 sync_binlog=1 Save and restart mysql, then log in. >GRANT ...
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1answer
626 views

Any disadvantage to using oraToolkit for installing oracle

I am going to install oracle 11gR2 on a redhat enterprise 5.6 machine. Is there any disadvantage to using oraToolkit? For example, could it cause any problem or difficulty for future complimentary ...
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3answers
11k views

Oracle returns an error ORA-01031: insufficient privileges

Oracle returns an error "ORA-01031: insufficient privileges" When I run sqlplus / as sysdba but sqlplus sys/oracle123 as sysdba doesn't, why? Oracle version: Oracle Database 10g Enterprise Edition ...
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1answer
1k views

How to find out CPU utilization per Oracle Database on Linux?

For capacity planning on existing RedHat servers hosting Oracle Databases, I was asked how to find out the CPU utilization per database. Thought it would be as simple as ps -eo pcpu,comm |grep -i ...
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2answers
828 views

Oracle XE Fedora 15 Installation problem

I got a problem installing Oracle XE on Fedora 15. Hope you can help me. I used this tutorial(that worked great for F14) but didn't got lucky with F15. The problem is that during installation goes ...
6
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3answers
4k views

Add Oracle Label Security to an existing Oracle installation

We are using Amazon EC2 to host some Oracle database instances while we are evaluating and prototyping some software. We are using the AMIs provided by Oracle - specifically, Oracle Database 11g ...
3
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1answer
1k views

Unable to create a tablespace, unusual error

I'm having difficulty creating tablespaces with Oracle 11gR2 on a fiber attached disk array. Permissions are correct and there is ample space available. I can create tablespaces on other mounts that ...
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8answers
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What tools are there for data masking? (MySQL, Linux)

I'm looking for (ideally free, open-source) data masking tools. Do any such exist? Note: this related question deals with tools for generating test data, but in this question I'm more interested in ...
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2answers
1k views

What's a free client for Oracle 8 on Linux / Ubuntu?

I need to connect to a legacy Oracle 8 database. Oracle SQL Developer would be my tool of choice, but the current version doesn't support Oracle 8 anymore. I tried Squirrel too, but the connection ...
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1answer
428 views

How can a datapump export have its resource usage limited on linux?

Doing an export of a number of users causes high CPU and I/O usage. I can mitigate the effects of the CPU usage using Resource Manager and setting the export session to a low priority group, but how ...
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3answers
25k views

Can I change the SID of an Oracle database?

The Server is Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Is there an easy & quick way to change the SIDs of the test databases on the server? Dropping & recreating of ...
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5answers
426 views

Improving SQL Server performance on VMware under Linux

I have a Linux server in a small company (3 users) acting as a domain server and running two VMs under VMware: one has SQL Server 2000 on it and one has SQL Server 2005, in each case running on ...