Questions tagged [amazon-ec2]

Amazon Elastic Compute Cloud (EC2)

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Oracle 11g - stuck while creating tables

I have EC2 instance with 60GB Ram, 8 CPU and over 50GB space. Tried to create 75K empty tables with sqlplus -s / as sysdba @script.sql and it works fine up to 48K tables (they are created fine with ...
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1answer
31 views

Database Schema design of server running status log

I am working with 4 AWS EC2 instances (servers). Each Instance has Instance ID and Instance Name. Instance ID is unique. Each of them having multiple application servers, like on of them is running ...
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92 views

MongoDB Production Amazon - 3 data nodes per replica set, or 2 data nodes plus a shared arbiter

I have an Amazon EC2 deployment of mongodb (3.4). Things are going well, but the DB size is growing quickly. I am about to shard a large collection in order to begin horizontal scaling (total space ...
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2answers
87k views

Mongo Create a user as admin for any database raise an error

I am trying to create a simple user with the rights permission to access to any database and can do any actions. When I trying to execute the createUser command I got this error: db.createUser({ user:...
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1answer
421 views

How to take advantage of AWS EC2 instance store (SSD) in a database environment?

I am trying to set up a database environment with Ubuntu and PostgreSQL (I didn't want to use RDS because I'm a Ubuntu person). I looked at description for the R3 instance type: Use Cases ...
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1answer
537 views

adding node to existing availability group

Currently have a 2 node availability group, trying to add a 3rd. Added Node3 to the Windows Cluster. Node3 appears as UP in "Nodes" on the Failover Cluster Manager console. However I have the ...
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241 views

Backing up large databases in AWS EC2

Does it make sense to back up SQL Server databases locally in the cloud, particularly AWS? "SQL Server Timeouts During Backups and CHECKDB" is an article on brentozar.com which points out the fact ...
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1answer
68 views

Mongo DB Memory Utilisation freezes app needs restart

I am running a project using Mongo DB and Django, I have 2 separate instance for my Django project and database each 16GB ram t2xlarge ubuntu ec2 instances. I am facing issue that within a day or two ...
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1answer
240 views

Moved a MySQL Database to another server, but socket keeps pointing to localhost

I know I shouldn't bother with this, maybe I should disable the old mysql, but this is a Magento virtual appliance from Bitnami thats work as a whole (application and database on the same server). I ...
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0answers
373 views

SSRS 2016 Generates SQL Server log entry daily

First, a bit about our environment. We run two instances of SQL Server 2016 Enterprise (13.0.4435.0) on Windows 2016 Servers. To save money, we run SSRS 2016 alongside SQL Server on both servers We ...
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0answers
182 views

AWS - SQL Server Agent “white dot” problem

I'm trying to setup a SQL Server 2016 installation in AWS EC2 and can't seem to get the security group settings right. Please note the "white dot" in the screen cap below - I am unable to administer ...
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2answers
611 views

Amazon RDS MySQL limitations

I intend to use Amazon RDS MySQL with one db.t2.micro instance. Are there any limitations of max_connections and max_questions ? I searched on the Internet and I found that there is a default value ...
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2k views

What could be causing this rogue CPU spike on MS SQL Server running on EC2?

We've just had a rogue CPU spike on one of our main SQL boxes, and we're struggling to work out what caused it. We use Red Gate SQL Monitor to track various performance metrics, and we saw a couple of ...
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1answer
863 views

AWS - MySQL server “Service CPU Usage” stuck at 50% / being throttled?

I have a c4.large EC2 instance which is running Windows Server 2012 and MySQL. When I look at the CPU usage on the machine it seems that MySQL is capping out at 50% CPU usage when the system is under ...
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1answer
32 views

Getting started with AWS: Price for large databases?

At the moment, I have a database that isn't accessed very often, but has 400 million rows and totals out to be 100gb disk space. I'm worried that, despite the low usage, I'll have to shell out for a ...
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1answer
211 views

Move mssql db Amazon RDS to EC2 [closed]

I have my 200 gb database. I want to move EC2 from RDS. I work on a research to prevent the problems that you may see,but it has not been done before. There may be problems; *Security weaknesses, ...
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309 views

InnoDB IO Capacity on Amazon AWS EBS GP2 Volumes

I have MariaDB pointing to a data directory that's a mounted Amazon AWS EBS GP2 volume. No other process will be using that volume. The AWS console lists the volume as having 120 / 3000 IOPS. My ...
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34 views

Migrating EC2 SQL Server to HyperV On Premise

I'm wondering if any of you have migrated SQL servers from EC2 to on-premise? I'm toying with doing backup and restore on new onprem server, however the file copy test took over 24 hours. Given that I'...
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2answers
3k views

MySQL replication lagging behind with log_slave_updates

I'm in the process of setting up replication in this topology: /--B A- \--C--D In order to achieve this I need log_slave_updates to be enabled on C, so D will also get the changes from A. C ...
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2k views

Random Spikes in DB Connections - Amazon RDS

I'm running an EC2 instance (c3.large) with an RDS instance (db.t2.small). I'm frequently having issues with DB Connections spikes all of a sudden. PROBLEM: As you can see, I'm getting huge amounts ...
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1answer
42 views

I have an instance of RDS of MySQL 5.7.10

I do not understand why memory bar seems to exceed to the red zone with 24.5 MB while RDS server should be with 1Gib
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1answer
1k views

Synchronizing data from AWS Sql Server to local database

I have a situation when I need to synchronize some tables from Sql Server database to my local Sql Server database and vice versa. What are my options? I can not find any useful information about ...
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1answer
1k views

Amazon RDS low in memory no mysql connections

I'm running the free instance of amazon RDS connection to a t2.medium ec2 instace. We are running a wordpress website with 20 active plugins and about 800 pages. I can see that I am low in memory (...
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2answers
1k views

SQL Server hangs during backup on EC2

Once and then our SQL Server will "hang" during its weekly full backup. When this happens, external connections start to timeout. The symptoms are: Connections timeout The sqlservr.exe process sits ...
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1answer
5k views

MySQL2::Error: BLOB/TEXT column can't have a default value

I am trying to run a rails mysql migration on Amazon Elastic Beanstalk. It fails with this error message: Mysql2::Error: BLOB/TEXT column 'description' can't have a default value: ALTER TABLE ...
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2answers
10k views

Why use RDS over EC2 for Postgres?

I have a database currently running on EC2. As I have to move it to a bigger machine the question of using RDS came up. Pricing: I can get an EC2 c3.large instance with two SSDs (16GB each), two ...
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3answers
1k views

Best Approach to Migrating Oracle to MySQL - Run on EC2 in AWS

I'm trying to migrate an Oracle schema as well as all of the data within the DB to a MySQL database. I want to then make an EC2 app on AWS to kick off whatever I've written for this. Are there any ...
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1answer
4k views

Server warnings on MongoDB startup

I recently installed MongoDB on an AWS EC2 instance running Ubuntu. When I'm starting the MongoDB service, I get some warnings: $ mongo MongoDB shell version: 3.0.11 connecting to: test Server has ...
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1answer
239 views

Postgres latency issues during memory compaction on EC2 (Ubuntu 14.04)

We've recently upgraded our EC2 instance that hosts our Postgres database to an i2.8xlarge with 244GB of memory (this is to utilise the large amounts of ephemeral storage it comes with). Since ...
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3answers
12k views

db_owner unable to drop database - Error 615, SQL Server

I have a SQL Server 2012 database running on amazon EC2. I've created a user to be able to create, edit and drop databases. I gave the new user with dbcreator server role. My user can connect ...
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1answer
52 views

Is this work flow suitable for Amazon RDS?

I am considering to set up a MySQL database via amazon web services (AWS). Consider the following steps which characterize my workflow: There is a daily data inflow into several AWS EC2 instances On ...
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2answers
1k views

Deciding EC2 Instance type & Volume IOPS for Mongo DB

We have 500GB data in our Mongo(v2.6.3) including the indexes. We currently run this on AWS m3.large(8GB RAM) instance. Yes, Single machine. Our MongoDB Cloud Manager shows these stats: ...
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364 views

How to copy SQL Server log shipping files to AWS EC2 instance

I am using SQL Server 2008 R2 and would like to log ship from my local data center SQL Server instance to a log shipping target SQL Server running in AWS EC2. What is the best way to copy the log ...
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2answers
31 views

Move MySQL Database to Amazon EC2 Servers

I have a website which has a 5 GB big mysql database. I am thinking if it is a good idea to move only the database to amazon, all front-end etc. (PHP) will remain. I've red already a lot about my ...
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47 views

Scaling MongoDB netwrok peformance

I have two question which are rally about the same thing - how to read more documents per second? I'm running a MongoDB cluster on Amazon EC2 and I'm load testing it from 10 servers (on Amazon EMR). ...
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1answer
1k views

Recommended mirroring alternative?

SETUP 2 Amazon EC2 SQL 2014 servers in different availability regions. Synchronous mirroring S3 for archiving full backups & logs at night Right now for simplicity, nightly full compressed ...
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1answer
553 views

Where to store data on AWS?

I'm using AWS to host my application, and I'm using mongodb as db. I have installed mongodb on amazon ec2, but now I have no idea about where I should store all of my data. Can I store all of my data ...
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1answer
85 views

Can we create Fail over clustering for SQL Server 2012 standard edition on amazon EC2?

We are planing to move on amazon's EC2 services. So my question is that can we create fail over clustering on amazon EC2 using SQL Server 2012 standard edition ?
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3answers
602 views

Mysql 5.5.45 crashing after refreshing web page rapidly(Too Many Connection warning)

I am using ec2 aws instance for my wordpress webiste.after every 5 to 10 minute and randomly my website going down i tried lots of things like increasing buffer memory ,memory limit but that not ...
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2answers
1k views

Import a sample database into SQL Server on AWS RDS free tier

I asked this on stack overflow but someone there suggested I try here as I might get better answers. So here goes... I'm signed up to Amazon Web Service (AWS) free tier, which allows you to run some ...
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1answer
34 views

Scenarios in which you might need to restore large number of databases at once?

I've seen several online sources mentioning that you should always have a restore script automated for the possible need to restore a large number of databases at once and quickly get back up and ...
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1answer
765 views

AWS EBS I/O Bottleneck

I'm hoping someone can help me understand some EBS Bottlenecks that we are experiencing with a new Windows SQL Server instance we're configuring. We're running some tests by conducting a full backup ...
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1answer
48 views

AWS Webapp tutorial: how to choose source in database security group?

I am following the AWS tutorial to create a Webapp here: http://docs.aws.amazon.com/gettingstarted/latest/wah-linux/getting-started-create-rds.html I am stuck at the part 'Create a Security Group for ...
2
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1answer
58 views

How to make most of aws?

I'm new to aws (just one day old). I'm impressed with aws free tier and want to utilize to its best. As of now I'm done with installing mongodb on aws micro instances and mongod EC2 instances are ...
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0answers
872 views

Slony with Amazon's RDS service?

Is it actually possible to somehow use Slony with Amazon’s RDS service? I’m aware that there’s no such thing as a host that you can log into to make Slony’s configurations, but perhaps it can be done ...
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1answer
155 views

Mysql (Ver 14.14/Redhat): is a new column with default values efficient on column creation?

I want to add a new column to my production database. I would like to add a default value in order to prevent all the if not null and ... business in all my queries (both new and old). What order of ...
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2answers
2k views

Connecting to a new RDS instance from an EC2 instance

I'm trying to use MediaWiki and WP to connect to two MySQL databases. The databases are working properly and so are the forms but when I try to establish a connection to the database with MediaWiki ...
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3answers
4k views

Amazon AWS RDS Aurora Row size too large (VB5)

We're trying to import our vbulletin 5 database into RDS/Aurora and getting this: ERROR 1118 (42000) at line 5733: Row size too large (> 8126). Changing some columns to TEXT or BLOB or using ...
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2answers
687 views

Is this amount of disk IO expected with MySQL?

I am running MySQL 5.5.34 on an Amazon EC2 micro instance with EBS (elastic block storage). The instance has been running for around 10 days and according to Amazon I've accumulated around 8.5 ...
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1answer
75 views

restoring a EC2 snapshot on RDS

Is it possible to restore our database snapshot on ec2 directly on RDS as our database is very big ? If not can we restore using csv files. ?