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

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4
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314 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 ...
3
votes
0answers
30 views

Bandwidth-efficient, fail-safe database resync with long backlogs

I'm looking for a DB system that allows slaves to resync even if there exists a long backlog. In addition these resyncs must be as bandwidth-efficent as possible as the nodes are connected over ...
3
votes
0answers
174 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
88 views

How to start MySQL after the year 2038?

I am using MySQL 5.5. For some reason, I need to change the date of my system to after 2038. Unfortunately, the MySQL service won't start after the year 2038: root@sd-84962:~# date Sat Sep 24 ...
2
votes
0answers
40 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
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0answers
938 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
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0answers
40 views

mysql innodb - strange data loss

I am running a mysql database on linux with several InnoDB tables. At some point, the ibdata1 file got quite big and I wanted to delete it. So I made a dump, deleted the file and restarted the server. ...
1
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0answers
47 views

Connecting to MS SQL server from a Linux box

I am trying to connect to MS SQLServer from an application that I have written (using Qt) which runs on Linux. Here are some details of the setup: The SQLServer box (SQLBox) is part of my domain ...
1
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0answers
20 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
205 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
170 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
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0answers
77 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
vote
0answers
73 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 ...
1
vote
0answers
188 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 ...
1
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0answers
66 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 ...
1
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0answers
444 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
138 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
356 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
801 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
33 views

oracle update statement is too slow

I have oracle database 11.2.0.4 on oracle linux 6.4 I have configure huge page on this OS . After 5 months of my projects , when i want to update any tables their have over 20,000,000 records , this ...
0
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0answers
32 views

Replication Error_code: 1032

I an unable to fix this as I don't know what cause this error. Replication was stoped for maintenance activity and after completing the maintenance we started it and then after some point the ...
0
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0answers
37 views

Slave not getting replicated SERVER_UUID error

Unable to start replication Master-Slave, I have searched a lot for this but unable to get the Server-UUID of both the server. Do we have any solution for this. Scenario: I have created new slave ...
0
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0answers
19 views

Mysql Replication break Error_code: 1032

Created new slave replication, it was working fine but suddenly after 2 days its giving me this error and the replication stopped. Both on Centos 6.7 Master Version ...
0
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0answers
19 views

MySQL replication Got fatal error 1236

I am getting this error when starting a new slave replication from master. Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: 'log event entry exceeded ...
0
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0answers
42 views

MySQL performance issue after migration

I have a MySQL performance issue with a brand new server, and am somewhat of a beginner as a database administrator (I'm mostly a general-purpose Linux sysadmin). I'm looking for pointers where to ...
0
votes
0answers
9 views

Mtop - How to reset ID numbers?

Using Mtop for slow queries logging in our InnoDB. Since there is actually high database usage, the log IDs in front when using the mtop command are increasing rapidly and I would like to reset them, ...
0
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0answers
33 views

One Listener for two Oracle Versions

I've got an dev machine with Oracle 10 and 11 running (on separate users) So I want to use only one Listener (the new from 11). I deleted the Listener of Oracle10 and created one on Oracle11. After ...
0
votes
0answers
28 views

Auto Insert new entry's in different database

I have 2 websites with similar MySQL database and both on same server (Linux) When a user register on website A I want to copy the user data to website B database (adb.users to bdb.users). Is there a ...
0
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0answers
24 views

What the exact different between Oracle Fusion Middleware and alternative (Non -Fusion)?

I have properly working CentOS release 6.7 (Final) and I have installed Oracle Database 11g Express Edition, Oracle SQL Developer (Working properly). Now I want to install Oracle Forms and Reports ...
0
votes
0answers
218 views

ERROR 2026 (HY000): SSL connection error: Unable to get private key

I need help with mysql replication with ssl. I got a problem when i'm turn on ssl on my slave - error connecting to master 'replica@1.2.3.4:3306' - retry-time: 60 retries: 1 Here is my setup Master ...
0
votes
0answers
34 views

Error Code: 1146. Table 'mysql.slave_relay_log_info' doesn't exist MySQL 5.7.9

I'm trying to do a multi source replication using MySQL 5.7.9, my main server is Windows Server 2012 and 2 other servers using Oracle Linux 7.1 My problem is that I have to enable TABLE for the ...
0
votes
0answers
35 views

Rule of Thumb on OS Free Space

This may be a difficult question to answer, but I have a PostgreSQL database running on a Linux server with 1.3 TB of storage. I'm currently at 73% utilization of storage space with a slow but steady ...
0
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0answers
83 views

Discard tablespace of temporary innodb table in MySQL

I have following problem, i need to discard tablespace of temporary table(file is present, i want to delete this file too) or somehow completely remove this table. This table can't be shown with ...
0
votes
0answers
19 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
75 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
57 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
81 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
64 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
77 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
votes
0answers
50 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
31 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
votes
0answers
98 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
235 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
20 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
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0answers
692 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
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0answers
41 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
47 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
202 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
135 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
102 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 ...