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

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3
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156 views

What happen when Postgresql tablespace is null?

I'm facing a DWH on postgresql with no DBA (I'm not one) so I turn to you with hope to figure this issue/s. Long story short, when I check the disk usage per tablespace, I get different distribution ...
2
votes
0answers
34 views

How to reinstall a legacy DB2 Server 7.x for Linux?

We have to move our legacy database dump to a new Linux installation. I know DB2 7.x is out of support for over a decade, but is there a way to obtain a DB2 7.x Server installation media for Linux? ...
2
votes
0answers
196 views

'ORA-00059: maximum number of files exceeded' on Oracle 12c

I have a test database. Every night a script drops and recreates a number of pluggable databases that are used for our automated test runs. Recently, I have started getting 'ORA-00059: maximum ...
2
votes
0answers
793 views

Index usage for database server

How can i fix the Index usage on one of our database server? It says from our Nagios control panel that: Service: DB Index Usage Host: MySQL Cluster Address: ( our IP ) State: CRITICAL Additional ...
1
vote
0answers
18 views

Monitor disk usage with MongoDB Ops Manager

We use MongoDB Ops Manager 1.6.2.251. I searched Activity -> Alert Settings. Is there a way to monitor disk usage? To get an alert if this changes to 90%: # df -h /data/ Filesystem ...
1
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0answers
14 views

MaxDB - Strange behaviour when selecting from a CLOB-Row

I am using "sqlcli" for Linux to write the output of the following query into a file: select clob_field from table (...) in SAPGui (original user input) the contents are displayed as: First ...
1
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0answers
28 views

grastate.dat with seqno -1 on a healthy cluster. Why?

We use those versions: # rpm -qa | egrep '(galera|maria)' mariadb-libs-5.5.41-2.el7_0.x86_64 mariadb-galera-common-5.5.40-6.el7ost.x86_64 mariadb-galera-server-5.5.40-6.el7ost.x86_64 ...
1
vote
0answers
133 views

Failed to create voting files on disk group DATA

I has install Oracle RAC 11.2.0.3 on Oracle Linux 6.6 for 2 node. When install clusterware to step excute root.sh had got error below. Can you help me check how to fix that and what wrong while ...
1
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0answers
83 views

postgresql + pgbouncer, idle server and high cl_waiting

I have such a setup: OpenSUSE 13.1 64-bit Linux kernel 3.11.10 PostgreSQL 9.0 + PgBouncer 1.5.4 (libevent-2.0) 16 core AMD, 128 GB RAM PostgreSQL config: max_connections = 1500 shared_buffers = ...
1
vote
0answers
53 views

Pass a URI as a pgAdmin parameter

I can connect to Heroku with psql passing a URI: $ psql postgres://user:password@ec2-54-243-xxx-xxx.compute-1.amazonaws.com:5432/d7xkxididkdi I want to do the same with pgAdmin: $ pgadmin3 -qc ...
1
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0answers
395 views

How to set selinux permission for non-standard mysql bin log path?

By default, mysql bin log works in folder /var/log/mysql. but moving to any other share such /mylogs/mysql gives permission error. Below is the exact message: usr/sbin/mysqld: File ...
1
vote
0answers
111 views

Does using noatime on modern Linux make sense?

Starting from version 2.6.30 (which was released 5 years ago), Linux has the option relatime enabled by default. It means updates of file access time are very infrequent and prudent. But I still see ...
1
vote
0answers
310 views

InnoDB: error: space object of table

131212 10:35:18 InnoDB: error: space object of table 'main/wp_m_membership_levels', InnoDB: space id 119 did not exist in memory. Retrying an open. 131212 10:35:18 InnoDB: error: space object of ...
1
vote
0answers
686 views

Incorrect information in .frm file after a power outage?

CentOS release 6.3 (Final) x86_64 mysql Ver 14.14 Distrib 5.5.31, for Linux (x86_64) using readline 5.1 SHOW SLAVE STATUS\G: Slave_IO_Running: Yes Slave_SQL_Running: No ...
0
votes
0answers
13 views

Create db2 alert for automatic failover

We have two servers in automated failover HADR (TSA installed and haicu configured). How can we create an alert that fires when a failover happens i.e. when the primary server goes down and the ...
0
votes
0answers
31 views

Fetching the data from the Oracle database is slow in Linux as compared to Windows

I am facing a performance issue in Linux while fetching data from the Oracle database. My scenario is as follows: 1) I have the backend server which is on UNIX with Oracle database running . The ...
0
votes
0answers
25 views

Error while deleting a foreign key

I can't delete foreign key in MySQL, I get this error message: ERROR 1025 (HY000): Error on rename of './database/table_name' to './hp/#sql2-4b1-26' (errno: 152) My system is Ubuntu 14.4 lts
0
votes
0answers
26 views

How to generate “Too many connections” error using mysql cli over ssh

I have a script which queries for blocks of data, one after another, from a remote MySQL database via ssh and mysql cli and pipes the result output to stdin of a local executable. Loosely scripted, ...
0
votes
0answers
54 views

Oracle Performance on 2 servers

I have the same database on two different servers(production and test) with major differences in query time as follows: Query1: SELECT distinct dms_get_FAST_serverpath(d.id) full_name FROM ...
0
votes
0answers
42 views

Oracle 11g installation on fedora 20 - stuck at step6 - Oracle-base.com installation procedure

I am trying to install Oracle Database 11g Release 2 (11.2.0.1) On Fedora 20 (F20)Oracle 11g in my laptop and I am following the steps provided in this Link But it is getting stuck after step 6. Can ...
0
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0answers
33 views

Memory consumption of production MySQL

The MySQL database on one of my production servers consumes a lot of memory. The problem is that I cannot trace what causes that kind of high memory usage. Following values illustrate the problem. ...
0
votes
0answers
17 views

how to install lib_mysqludf_xql?

Can any one provide me a steps how to install lib_mysqludf_xql? OS version is REHL 6.5(64 bit) and MySQL version is 5.5.27 we installed MySQL with the source code.
0
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0answers
46 views

How do I dump my DB without creating temporary files?

My system is showing disk problems, and linux turned my root folder to read-only. Before I reboot, I wanted to backup my mysql DB, just in case I can never access it again after rebooting/checking ...
0
votes
0answers
95 views

Can't auto-start db2 with db2iauto

Followed guide Auto-starting instances . [root@oktest-stage-db-1 ~]# db2greg -getinstrec instancename=db2inst1 | grep -i startatboot StartAtBoot = 1 [root@oktest-stage-db-1 ~]# ...
0
votes
0answers
17 views

Index creation issue with MySql and Linux

MySQL Server database is installed on RHEL5.5 and db version is 5.6.20 Community Server. In MySQL database we have a table and it has 11,144 records. I am altering the table and adding index to it. ...
0
votes
0answers
335 views

upgrading posgresql 9.0 to 9.4 with pg_upgrade on CentOS 6.6

I'm trying to upgrade a postgres v9.0 database to v9.4 with pg_upgrade on CentOS 6.6, but I keep hitting a wall. I am calling pg_upgrade thru a shell script as postgres, first exporting the needed ...
0
votes
0answers
37 views

Please help: kerberos authentication setup on postgresql

Requirement: Backend working with RHEL and postgresql and front-end working with windows,.net. please consider how the authentication method must be done. our main idea will be to have the ...
0
votes
0answers
53 views

Getting warning ignoring option '--databases' due to invalid value 'testdatabase' in mysql while importing data

i am getting warning ignoring option '--databases' due to invalid value 'testdatabase' in mysql while importing sql data into a database.Its working fine when I do it on my local machine but same is ...
0
votes
0answers
34 views

Metadata database on top of flat files

I have a bunch (millions) of flat files. I do sort them into subdirectories, but that doesn't really help searches. Is there some database software that could be fed metadata information and would ...
0
votes
0answers
88 views

Install specific older version of postgresql centos

I need to rebuild a production system with same version of installed packages. It's a Centos 5.11 and it was using this repo http://yum.pgsqlrpms.org/reporpms/8.3/pgdg-centos-8.3-6.noarch.rpm to ...
0
votes
0answers
51 views

password based ssh authentication with MySQL Workbench

I know that it's possible to configure SSH to use keys only, and to disable password based authentication. That being said, can I do the following from MySQL Workbench? I've tried more than a few ...
0
votes
0answers
158 views

MongoDB mongoexport $or query returns zero records

I have the following cmd in bash termial mongoexport --db fscrap --collection Wall -q "{\$or : [{'insert_time' : {\$gte : new Date(1393624800000)} },{'comments.comment_time' : {\$gte : new ...
0
votes
0answers
109 views

how to make oracle db instance and em dbconsole running manually/?

I installed oracle11gr2 (x64) on vmware oracle linux (x64). When I finished installing, I'm sure that I executed the init scripts as root: /app/oraInventory/orainstRoot.sh ...
0
votes
0answers
69 views

cronjob(script) that sends(mail x) the query co-ordinator SID whenever parallels are invoked in queries

i am a junior dba im looking for help with a shell script that needs to be put in the crontab(which runs every 15min) which sends(via mail x) the query coordinator session id(SID) and other details ...
0
votes
0answers
47 views

Restore data from MYSQL Bin log

I am trying to restore some data from mysql bin log file. But when it encounter some special characters, query gets break and I am not able to continue after that. Is there any way to handle special ...
0
votes
0answers
1k views

Mongodb is taking up 7GB of hard drive space on VM, how do I fix?

I am running Debian on a VM. I installed mongodb and it is taking up A LOT of space. It is really slowing me down in college, with work and projects ... etc. I have a disk usage analyzer and I've ...
0
votes
0answers
31 views

Can it Possible to do Mysql Active - Active Replication between Redaht linux 6.4X and Ubuntu 12X?

I have small doubt regarding Mysql Active-Active Replication. Can it Possible to do Mysql Master-Master (Active-Active) replication in Mysql between Redhat Linux and Ubuntu? Thanks & regards, ...
0
votes
0answers
50 views

10.2.0.5 RAC instance running on Linux-64 recieved KEWRRFC: Remote Flush slave Failed, return code: 2

Last Friday one of two instances in our 10.2.0.5 RAC cluster was non-responsive after logging the following messages. We ended up rebooting the node and it came up successfully. While I will likely ...
0
votes
0answers
159 views

Mysql DB recovery

Mistakenly I have deleted "ibdata1" file in mysql server. Now my database is not working. All the tables are corrupted. But still I have "ib_logfile0" and "ib_logfile1" files.Also I have a recent ...
0
votes
0answers
61 views

Mysql database recovery in linux

Is there anyway to get back database if I deleted database. Is mysql creates temp file which contain temporary data from database and whether I can recover from that Edited: cp my.cnf my.cnf41 mv ...
0
votes
0answers
113 views

MYSQL backup options using mysqldump and mysqlbackup

I'm currently using mysqldump to backup mysql database. I heard that mysqlbackup offers a much much better performance. Unfortunately it requires MySQL enterprise version which is pricy. A few ...
0
votes
0answers
836 views

MySQL - Out of memory: Kill process 3046 (mysqld)

We run a MySQL (v5.6.17) dump backup every 4 hours, and today noticed: Apr 19 20:09:30 mysql1 kernel: Out of memory: Kill process 3046 (mysqld) score 970 or sacrifice child Apr 19 20:09:30 mysql1 ...
0
votes
0answers
150 views

Can I set a lower_case_table_names value for a specific database?

I'm running a MySQL 5.5 on Linux (Debian 7) with several databases. I need to import a database originally maintained in Windows MySQL using sqldump. My issue is that this database is used by a ...
0
votes
0answers
195 views

MariaDB : Larger innodb_buffer_pool_size causing SQL updates to be slower

Has anyone here encountered such scenario before where and update statement took longer time to run when innodb_buffer_pool_size is bigger. I've run a few tests using the same statements on around ...
0
votes
0answers
59 views

MySQL import low use of resources

I'm importing a largish DB into MySQL (20tables of ~25mill records). As expected this is taking a long time, but I'm curious as to why the process is running using only 0.000 to 0.700 %CPU and 0.87 ...
0
votes
0answers
218 views

MySQL gets slow in Linux server

I'm using a jdbc connection to connect a vaadin application to a MySQL database. It works fine, but after a couple of uses it gets really slow, and even freezes the application to a point I have to ...
0
votes
0answers
2k views

sqlldr: command not found

I have a script which has this command 'sqlldr' which gives me the error sqlldr: command not found when I run this script. I googled and found that people say that this command should be there in my ...
0
votes
0answers
60 views

How do I save file data to my newly mounted SSD in mysql innodb continually?

I've recently mounted a new SSD since my disk's empty space had less than 10% (mysql unbuntu linux) and this is what I did in my.cnf file to save data to my new path: innodb_buffer_pool_size=2G ...
0
votes
0answers
399 views

Oracle Installation issue on Oracle Linux 6.4

I am trying to install Oracle 11g(11.2.0.1.0) on Oracle Linux 6.4(Remote Server). I get the following error(s) when Database Configuration Assistant is running ORA-01092: ORACLE instance terminated ...
0
votes
0answers
104 views

ORACLE_HOME is not available

I install Oracle 11GR2 on Cenots 5.9 . i edited bash_profile to correct values for ORACLE_HOME and ORACLE_BASE and etc . But when i want to run SqlPlus , " command not found " is shown . but when i ...