System that handles large amounts of data in an organised fashion

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2
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22 views

ZFS Backup vs. ZFS Data Folders for Services

So I recently set up my own little server here at home. I got my main system set up on an SSD and a ZFS pool of larger HDDs for data storage. Now the question I was asking myself was if for services ...
2
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58 views

Barracuda SSL VPN Managing Users

Not really sure if this is the right site to be posting on, but I have a question about my Barracuda SSL VPN. I know there is a built-in user database on the VPN. Is there some way (in my asp.net ...
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1k views

Firebird 2.5 Database Corrupt

We have an issue where a database hangs the server when: a backup is performed (Hangs on a specific table) selecting * or count(1) from a specific table or viewing data that is related to the table ...
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19 views

Correct Azure VM firewall settings for Azure SQL Database v12

One of the recommendations when a client runs on an Azure VM and needs to connect with your Azure SQL Database v12 is to: Ensure that the port ranges of 11000-11999 and 14000-14999 on your Azure ...
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14 views

CouchDB Authentication and Security

i used this link to install CouchDB on virtual machine http://depth-first.com/articles/2010/01/28/pubcouch-install-couchdb-on-ubuntu-karmic-from-source/ everything goes fine, after that i tried to ...
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30 views

Sybase heavy Disk I/O issue

I have a Sybase 15 server that is constantly reading from the hard disk. I noticed that the sqlsrvr.exe is the culprit which is the main database engine. This is a pretty utilized server that is ...
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51 views

Securing communication over LAN in VPS provider

I'm curious about best practice when connecting from app to DB in a cloud provider. A quick rundown of our setup. We have 4 servers all on the same provider, in the same region running as VPS. ...
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25 views

Setting up SQL server on EC2?

I would like to set up a SQL server in AWS on an EC2 server. I originally wanted to use an RDS instance however we require the bulk admin privilege for some of our operations which is not allowed in ...
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52 views

SQL Server seems to be taking 40GB of RAM but keeps reading disk… Why?

So I have allocated 40GB of RAM for SQL Server. I can see that after I first run a query on database, that 40GB memory limit will be quickly filled during first run, however when I will do exactly ...
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132 views

Huge oplog size after full sync on one secondary causing performance issues - MongoDB

I'm a MongoDB newbie. I have a replica set with 3 members (1 primary and 2 secondaries) on CentOS 6 and Mongo 2.6.8. One of the secondaries crashed because of high consumption of memory and I ...
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31 views

Managing data created with an API in multiple environments

I have a staging and production environment for my application and store Stripe::Customer ids in my database. Occasionally, I want to copy production data to my staging database, but the ...
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49 views

Commvault, how to generate a report by time scheduled?

I'm using commvault at the moment to manage backups, but i need to creata a report of some kind that can show me the days of the week , and what server is backing up at that moment. A bit like this: ...
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138 views

MSSQL Server 2008R2 Replication stall, no latency, no errors, missing data on subscriber

This morning after performing a routine database deployment of two new tables I noticed that transactional replication had stopped for more than 3 hours. When replication resumed it picked up 3+ hours ...
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94 views

Unexplained excessive database response times - very powerful hardware, tiny database

I've a strange problem that's repeatedly troubled me across 3 different servers now. The problem Please see the graph from NewRelic showing the huge amount of time spent in the database. The ...
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0answers
732 views

MongoDB Performance Troubleshooting

I have a small MongoDB replica set (2.4.6) and it seems about once a week, the primary gets bogged and the load average spikes up. This app doesn't see a huge amount of traffic. It resides in EC2 ...
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88 views

Tell proftp to allow connections only to the users that have permissions in PostgreSQL

I'm trying to set up an ftp server for the first time (under Debian Squeeze) and after searching through Google, I decided to use proftp. NOTE: I have a PostgreSQL server running in the same machine ...
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95 views

Legacy BSD PTYs instead of /dev/pts?

I'm trying to use an old database that only accepts connections from legacy BSD style pseudo-terminals /dev/ttyp's or /dev/tty's. It does not recognise /dev/pts/9 style PTYs. Connections via SSH. I ...
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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 ...
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675 views

SSD Performance under Oracle

I have serious performance issues with oracle running over ssd. I have two OCZ Vertex 3 MAX IOPS drives (firmware 2.15). It runs on a INTEL C600 SATA Chipset. Windows 2008 R2. So the issue is ...
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622 views

Corrupt mysql system tables

I am having issues with the columns_priv table in the mysql system database. I cannot add new users currently. I have tried repairing it using mysqlcheck --auto-repair --all-databases --password but ...
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142 views

Is memcache impacting my performence negatively?

I am using pressflow 6 and NewRelic seems to suggest that memcache is infact hurting performance as shown below : My settings.php file : # Varnish reverse proxy on localhost $conf['reverse_proxy'] ...
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518 views

Server quit without updating PID file on multiple mysql installation in linux

Iam trying to install one version of mysql in a LINUX machine. The system contain already another version of mysql installation. I prefer manual installation. Copy the extracted tarball into a ...
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589 views

mysql fails to start

My Django web app was working fine, writing data to a mysql database. However, sometime in the past 36 hours or so, it stopped working. I typed "mysql" into the command line (i'm using ubuntu on ...
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116 views

Really slow execution

I own a wordpress installation, and Updated to 3.4.1. After the upgrade, I got a very strange slowdown to my wordpress. After all, I used the define('SAVEQUERIES', true); in my wp-config.php with ...
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167 views

SQuirreL Client: Opening up a table in a separate tab

I've switched to SQuirrel Client to view an Oracle database with a variety of tables. At any given time, I need to look at the contents of several related tables at the same time. The problem is ...
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949 views

MySQL Replication: Slave I/O thread constantly dying and starting back up

I have MySQL running on Debian 5 (Lenny) between two MySQL databases. The data is being transferring between the two machines, but one of them is logging the fact that it's slave I/O thread is ...
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111 views

Effective backup and archive strategy for database and linked files

I am using Postgres to store a variety of application data for a webapp. Part of the application involves storing and retrieving user uploaded files. I am storing the files in the filesystem with ...
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1k views

PostgreSQL: Could not connect to server even though it's running!

I wonder if you could possibly help me. I have installed PostgreSQL and I have tried running various checks to ensure it is running and I know it is. Here are the results of searching for the ...
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1k views

listener could not find available handler for requested type of server

I have ora-12520. I run Oracle 11g on Red Hat 4 64 bit. Actually I have RAC but one node is down and I work only with up one (connection string point directly to listener of running node). I run test ...
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10 views

Name [ ] is not bound in this Context. Unable to find [jdbc] Tomcat Issues

I just created a fresh Oracle Linux 7 VM with Tomcat 7 and Java 8_40. I've created several servers with Apache and Tomcat before, but never connecting to databases before. SELinux and firewalld are ...
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24 views

Database Server froze - High IO - how do I find out whats the reason? (Pics)

got a db server(KVM) running mariadb 10.1, runs fine since months, only servers 2 databases (drupal). Last night it went tits up. Here 2 screenshots from zabbix I checked the logs, they show ...
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23 views

MariaDB query cache not being used with prepared statements

We are seeing a problem with our MariaDB setup where our queries executed as prepared statements are not being cached, however, queries executed locally through mysql command (i.e. text protocol) do ...
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9 views

Telling how big an oracle DB dump will be when imported

I have an oracle DB dump file that is 30GB and i would like to build a filesystem to support its size once imported - is there a tool/method i can use to tell how big it will be post import ? Thanks ...
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16 views

Linking fail2ban with a RDBMS

I would like to maintain a highly dynamic RDBMS table that will be insert/update/deleted from from multiple hosts (a kind of global blacklist for all my servers). The table would have a couple basic ...
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0answers
29 views

Wordpress showing article title, but content is showing blank

I recovered from a disaster situation on the server, database is not affected. My wordpress files were old, from previous version (maybe 4.3). When I recovered those file and setup nginx with it, I ...
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0answers
4 views

How do I resynchronize a Bacula catalog?

I tried performing a Bacula upgrade, but found there were issues with our architecture. Our team tried powering through the upgrade testing backups, but eventually decided to do a downgrade and ...
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0answers
12 views

Merge and transactional SQL replication…database empty (SQL 2005)

Firstly, let me just say that I'm a novice at SQL in general and this might be an easy fix for someone reading, but I've been unable to find anything that would explain or help my issue online. If ...
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0answers
21 views

DNS: check client IP in database, reply different if ip exists in a DB

I'm trying to setup a DNS server that looks for the client IP in a DB, and returns a static IP as result if the client is in fact in the DB. There might be thousands or a couple million of records ...
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0answers
9 views

Oracle 9i - Data Guard - how to completely resync existing stanby?

Thank's to another SF user, I've managed to recover the control file needed to start a target data guard database in standby mode. So I have an active primary running in ALM keeping only the last 14 ...
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69 views

sql-php-sqlyog: Access denied for user .. unable to connect to database

I browsed around all other answers provided for this same issue. But didnt find a solution. So I thought to ask mine here. I am not very good with sql. But this is the first time I am facing this ...
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0answers
48 views

Bridge server for connecting two databases?

I'm in a bit of a pickle. I currently have 2 database servers. One is hosted in the US and is online on the internet. The other is local, working only on LAN and external connections are not allowed. ...
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0answers
189 views

How can I access to a database on OpenShift?

I created an application on OpenShift, everything is working and there are no problems. I now need to attach the database that is on OpenShift with my desktop application developed in C #. The desktop ...
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86 views

How to Restore from sql Maintenance plan backup

I have a SQl 2005 Instance in my PROD SQL server. I have been given a task to migrate databases inside that instance to different SQL box ( SQl 2008 r2 in Win 2008 r2 box) Database. Current sql ...
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231 views

Repairing corrupt MS SQL master database - no SQL client access

Apologies for any duplication but I feel like I'm falling at the first hurdle. I have a MS SQL 2005 Server which is refusing to start and for which I don't have a password (including the 'sa' ...
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0answers
121 views

DataFileSync flushing mmaps takes a long time

We are running MongoDB 2.6.9 on a 64 bit Ubuntu Linux VM. When I look in the database folder, this is what I see with ls -lh: -rw------- 1 mongodb mongodb 64M Apr 15 14:26 admin.0 -rw------- 1 ...
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54 views

SSH tunnel is up, but cannot connect to database

I am working on a project where we are using an SSH Tunnel with port forwarding. Our server contains a website which references a database on our customers server. We have established an SSH ...
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60 views

SSH Connect to remote computer to query database on local server

I'm having real difficulty with an SSH tunnel to a customer server. This is needed as we are developing a site on their behalf, hosted on our server but referencing the database on their server. The ...
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42 views

Web and Business Azure Tiers sunset (Deprecation)

The problem I am struggling to understand which is the best option to move to from this as their is no direct replacement. What would be the best step forward? I have flagged that optimization needs ...
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0answers
219 views

Clean up AD References to now deleted mailbox Exchange 2013

We recently separated one of our mailbox databases into three databases to better manage its growing size. The migrations all went well, and the old database has been dismounted for some time. Today, ...
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38 views

percona cluster schema change with RSU issues?

I have a setup with three percona cluster servers. I am doing some tests with online schema changes using the manual RSU method [1]. I have a question regarding what happens when you drop a column on ...