System that handles large amounts of data in an organised fashion

learn more… | top users | synonyms (2)

-2
votes
0answers
14 views

Which db choose to concurrent work of 2000 connections and more? [duplicate]

Let's assume. I have some credentials data which plan to store in mariadb. And I have two php scripts: worker.php - must work 2,000 workers(it is condition!). This workers must use same db for select ...
-5
votes
0answers
23 views

Database with non-technical user-friendly GUI [on hold]

I'm helping some friends out with a project, on little spare time. Details aside, it'll be backed by a database that they'll want to manage at a very basic level (add/edit/remove records) themselves. ...
-1
votes
1answer
15 views

mysqldump access denied with WAMP on Windows 8.1 [on hold]

I have a local install of WAMP and I'm having problems using mysqldump. I use this code trough cmd.exe: C:\wamp\bin\mysql\mysql5.6.17\bin\mysqldump -umyuser -pmypassword mydbname > C:\Web ...
0
votes
1answer
25 views

Connecting to Oracle DB hosted on Windows 8.1 Azure VM

I have a windows 8.1 vm created on azure, it has 14 GB of memory and 200 some GB storage. I have installed Oracle with a templated database onto it. Everything is fine with the installation and I can ...
0
votes
0answers
21 views

SSD vs RAM - Optimal ratio for different data sets / databases [duplicate]

I am looking for an advice or even better some studies / benchmarks to read for different scenarios (data sets) when it comes to the best ratio between actual RAM and SSDs. I know that fitting the ...
0
votes
0answers
9 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 ...
1
vote
1answer
123 views

Recover mysql database innodb 'table doesn't exist'

Our server crashed last week and we lost a lot of information. We were able to recover .frm files for the tables, ib_logfile0, ib_logfile1 and ibdata1 but no .ibd. I've tried the ...
2
votes
2answers
148 views

Database backup encryption

I've been trying to work out an effective database backup encryption scheme lately. I have a Postgres 9.4 server, I have most of the backup scheme fleshed out I think. Backups will be stored in a ...
0
votes
0answers
12 views

Database index on FK with only NULL values [migrated]

We have in our database an index with table cardinality over 10.000 but full key cardinality only 1. The reason for this that all the values for the column are NULL, hence cardinality 1. Does this ...
-1
votes
0answers
39 views

GitLab database location (Omnibus installation)

I have installed GitLab 7.12.2 (Omnibus) on Ubuntu 14.04. Now I wonder, what the default location of the GitLab database is. Is it /var/opt/gitlab/postgresql/data/base ? Thanks in advance!
-1
votes
0answers
27 views

Database server: E5-2620v2 MLC SSD Software RAID1 vs E5-2650 Hardware RAID 10 / 2X RAID 1 for read performance and reliability [duplicate]

I am looking for a new database server and I have 2 options at this point with multiple configurations, all assuming same price. This will be a PostgreSQL database server with lots of READ (we are ...
1
vote
0answers
15 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 ...
0
votes
0answers
10 views

Sparse matrix - key-value db? [migrated]

I have a huge sparse matrix ( 10^9 rows, 10^6 cols, density < 0.03% ), where each row has at least one nonzero column, but some column may contain only zeros. The cells are decimal numbers > 0. I ...
1
vote
0answers
32 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 ...
-2
votes
4answers
70 views

When should I consider a 2 socket motherboard for Server? [duplicate]

We are buying a new server and the idea of dual socket motherboard comes up. Is 2 socket motherboard worth the price and hassle for an application that hosts a couple of websites and databases for a ...
1
vote
0answers
12 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 ...
0
votes
0answers
82 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' ...
-3
votes
1answer
27 views

How to set default file permissions? [duplicate]

I have ran these codes: sudo chown -R / sudo chmod 755 / And now my server is not working. I need to get backup copy of MySQL database How can I fix it?
0
votes
1answer
19 views

Cassandra NetworkTopologyStrategy

I would like to configure the following multi-datacenter Cassandra cluster: DC-EUROPE has 3 Cassandra nodes (1.1.1.1, 1.1.1.2, 1.1.1.3) DC-ASIA has 3 Cassandra nodes (2.2.2.1, 2.2.2.2, 2.2.2.3) Each ...
0
votes
0answers
39 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 ...
0
votes
1answer
34 views

how to create public SQL server [closed]

I installed sql server on my computer. I can work with it as localserver. But i want to it to be a public server. I followed lot of tutorials but it's still don't work(I can't connect the server ...
0
votes
1answer
20 views

Restoring From Another Dev's MDF on Same Database: MDF Cannot be Overwritten

Here is the situation: We have multiple developers. We want to import/export(restore/backup) .bak files whilst working on the same, but local, databases(Each dev has a local instance of DB: A). The ...
2
votes
1answer
26 views

Apache Spark infrastructure - combining compute and storage nodes

I have an infrastructure question around Apache Spark, which I'm looking at rolling out in a greenfield project with (at most) approximately 4 TB of data used for modelling at any given time. ...
0
votes
0answers
31 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 ...
0
votes
1answer
21 views

Exchange 2013 high read on mailbox database

I have an exchange 2013 server with 5 mailboxes, on one of them there is a constant read of about 2MB/s, and this has happened for almost an entire day now. From looking into resource monitor I can ...
0
votes
0answers
21 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 ...
0
votes
0answers
21 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 ...
0
votes
1answer
24 views

Protecting the database against bad queries [closed]

I want to build a clustered and/or replicated relational database so that all of the company's apps can use the same data without manually shuffling it between databases. However, this raises two ...
0
votes
0answers
62 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, ...
0
votes
1answer
37 views

Error when defragging Exchange Server 2010 mailbox Database

I am trying to perform an offline defrag on our Mail server. We are running Windows Server 2008 R2 Standard, but have Exchange 2010 installed. I am using eseutil to perform the defrag - however I ...
0
votes
1answer
70 views

MySQL - Can not connect from local network, but can connect from any other IP

Facing a really strange issue. The original requirement was to have a development server which can be accessed from our office in Sweden and from India. In our server in Stockholm, I created a new ...
0
votes
1answer
87 views

Adding an admin user to a MongoDB

I'm using MongoDB 3.0.3, and I've been having issues with creating users. I created a user on the admin database using db.addUser('admin', '....'). I gave it dbAdminAnyDatabase privilege. The output ...
0
votes
0answers
31 views

tfsbuild.exe delete / destroy keeps orphans in database

We're using TFS 2012 since 2013. In the mean time the database has increased up to ~60GB. This has several drawbacks like increased backup time, wast of drive space, ... After having a look into to ...
0
votes
0answers
18 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 ...
0
votes
0answers
11 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 ...
-4
votes
1answer
79 views

Consumer vs Enterprise SSD [closed]

I'm deciding what SSD's to use in our infrastructure. Enterprise drives are obviously more reliable but storage items are expendable and will fail anyway. So considering that we have proper RAID, ...
0
votes
1answer
205 views

Access db with dynamic IP using windows Application C#

I want to connect a Desktop Application (C#) with a website which is hosted on BLUEHOST Server (Shared Hosting). I have to add an IP on server to allow for remotely access to mysql database. But the ...
0
votes
2answers
131 views

CentOS 7 won't connect to external MySQL database. Database works from other servers

I have a new CentOS server set up, with Apache and php-fpm. The php application fails to connect to an external MySQL server. This server is reachable from other servers, the firewall on the database ...
0
votes
1answer
36 views

cant turn on mysqld. I moved mysql to an XFS directory and pointed it there

hey guys hopefully someone has the answers for this but these are my errors ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) and in my ...
-3
votes
1answer
46 views

Coose server hardware for private server [closed]

I am planning to run a Linux server for hosting a java spring application with Tomcat. I need some help to choose the right server hardware to buy. NOTE: I am a student and cannot afford any really ...
0
votes
1answer
42 views

SP with xp_cmdshell gives an error in the MessageQueue, but executes successfully in Management Studio

I have a SP, which calls xp_cmdshell in it. This SP is being used in a MessageQueue. The SQL server and Agent services are configured using a Domain service account, and this service account has a ...
0
votes
0answers
8 views

msxbse35.dll intermitent error accessing shared opera foxpro database file

I have traced the failure of an Access 97 DB, where it works some of the time and not others. It can take a few page changes in the DB to get the error up, just as easily as it can come up right away. ...
0
votes
1answer
50 views

db servers direct ethernet connection

We are planning to setup 2 mysql servers in master-master replication Is it possible to use direct Ethernet connection over gigabit ethernet port on the 2 servers? Is there a way to bind mysql ...
0
votes
0answers
94 views

How do I migrate a database between servers from SQL 2008 Std to SQL 2014 Std using T-SQL without losing data?

What is the process using T-SQL to copy/move/relocate a database from one server to another? Do I need to take a log backup on the source as well and restore it on the new server? I am pretty sure ...
0
votes
1answer
192 views

ldap_add: Constraint violation (19) additional info: some attributes not unique

Well I have already gone through ldap_add: Constraint violation (19) but couldn't solve my problem! Problem I'm facing is that, when I'm trying to add users from bckup.ldif file by issuing following ...
3
votes
1answer
48 views

Is it unusual for a database client to install the server's SSL certificate?

We use Amazon RDS for our databases at work. Recently we got an automated email from Amazon stating they'd be updating the SSL certificates and that if we didn't upgrade our database instances within ...
0
votes
1answer
27 views

multi-master databases in low connectivity environments

I'm working on a project that has many client devices distributed in remote environments where connectivity losses are frequent and expected. Clients continue to operate when offline, but when these ...
2
votes
0answers
93 views

Using database for storing text files and images [closed]

I need to build a image/static file cache which would host maybe few hundred up to thousand static files from 1kb to ~200kb. I'd need super fast reads (I'm using redis, but it's one threaded and I'm ...
0
votes
0answers
11 views

VCenter and SSO Database

We are using external dedicated Database Server During VCenter SSO installation RSA Database got created using the script (RSA_DATA.mdf,RSA_INDEX.ndf,translog.ldf)and pointed the SSO to it Now During ...
0
votes
1answer
143 views

How to attach a database created by sql 2008 to sql 2012 when full text catalog missing? [closed]

I have an already created mdf file which was created by sql server 2008.But when I attach this mdf file to sql server 2012 it asks me to add necessary full text catalogs. I have no idea what to ...