The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
2answers
28 views

EC2 and setting up MYSQL Replication

my database size is very big around 100gb and when I restore it takes 3 days to restore. I am using amazon ec2. My question is I want to setup a new slave to MYSQL master, can I take a snapshot of ...
2
votes
1answer
26 views

Amazon RDS t2.small as a production server

I currently have a m3.medium as production PostgreSQL server but I want to move it to RDS with the Multi-AZ feature. Since the CPU usage of our current server is never higher than 5% and the RAM ...
1
vote
0answers
13 views

MongoDB C# driver fails to reconnect after stepDown

I have an Elastic Beanstalk environment in AWS that constantly verifies the DB is accessible by querying the mongos for one document. We only speak to the DB routers and not to specific instances. ...
0
votes
1answer
49 views

How do I recreate a table that was deleted during an ALTER statement (errno: -1)?

For the third time in the past 2-3 weeks I've gotten the following message during an ALTER statement: Error 2013: Lost connection to MySQL server during query SQL Statement: ALTER TABLE ...
0
votes
1answer
18 views

database with same schema and same AWS instance type, but different performance

Hi I am getting a new set of production servers ready. I generated a DB script from SSMS using the schema from Server A to deploy to a new AWS instance of the same type as Server A. After populating ...
0
votes
0answers
26 views

AWS RDS Constant cpu (20%) utilisation

I have a RDS instance that has workload at specific time window, however, cpu utilisation is a constant 20% even outside this window. There is no replication configured. Can't find a solution for ...
0
votes
0answers
37 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 ...
2
votes
0answers
22 views

PostgreSQL query - works locally but not on AWS RDS

We have a large query that works fine locally but deadlocks on AWS RDS. According to cloudwatch we are not resource bound on CPU, disk or iops and nothing else should be accessing these tables. The ...
0
votes
0answers
20 views

How to backup huge Mysql db containing both InnoDB & MyISAM tables in Aws RDS?

I am running a Mysql RDS with 150GB+ data. The DB size is growing very fast(But normal considering the application's nature) Till now we were having only InnoDB storage engine, so we were using the ...
0
votes
2answers
30 views

Table JOIN and CREATE new table extremely slow

I'm using something like this to create a new table: CREATE TABLE result AS (SELECT calls.*, targ_with_planned_calls.* FROM calls INNER JOIN planned ON calls.first_id = ...
1
vote
1answer
64 views

SQL Server 2012 CPU usage spikes to 100%

I am using SQL Server 2014 in AWS and the AWS image configuration is 4 cores and 16GB RAM(m3.xlarge). I am running the following simple query, SELECT * FROM user_table WHERE user_id = '10' ...
0
votes
1answer
89 views

Does AWS Aurora suffer from the same limitations that MySQL suffer from? [closed]

Specifically, MySQL has a limitations max row size as 64kB. I would like to know if Amazon Aurora, which is supposedly a drop in replacement for MySQL suffer the same limitation.
0
votes
0answers
23 views

Amazon RDS backup space requirements

It's very unclear to me how much space an Amazon RDS DB backup actually needs. The pricing page says: For example, if you have an active DB Instance with 10GB-month of provisioned database ...
0
votes
0answers
57 views

Mongodb replica set across AWS regions or subnets or data centers

I seem to have run into a blocking problem. I want a certain collection to be replicated across multiple AWS regions/subnets/data centers (eg a global lookup table or a global user credentials table) ...
0
votes
0answers
47 views

Load Large data set SSIS AWS EBS

We have configuration of SQL 2012 std edition hosted in Amazon cloud that has data disk of 3 TB, Index disk of 3 TB, Log disk of 500 gb all raid 0 stripped. Am trying to load a table that has 8 ...
1
vote
1answer
76 views

Can't connect to EC2 Postgresql instance unless I change the default port 5432 [closed]

I just created a brand new EC2 instance with a default security group allowing All Traffic from Anywhere. My listen_address is set to * I can SSH to it but I can't connect to the pgsql instance ...
1
vote
1answer
82 views

Replication Lag on Postgres AWS RDS Service

We have a single master/single streaming replica Postgres 9.3 db on AWS. The load is not terribly high - this is a development/staging environment. (The production shows similar metrics). Point is the ...
0
votes
1answer
82 views

Can we disable binary logging for one specific session or user in AWS RDS

Currently we have a situation to disable binary logging for one set of queries on AWS RDS. We thought to set log-bin=0 for that specific session. As per Amazon, this is not possible. Is there any work ...
3
votes
0answers
125 views

How to get the best write throughput during a MySQL import with Amazon RDS?

tl;dr - How can we get the maximum EBS throughput for a db.r3.2xlarge instance? We're only seeing about half of what it can supposedly do. Apologies for the long length of this question. We've had ...
0
votes
0answers
69 views

Issue using COPY command with AWS Redshift

I am trying to copy a CSV file from my PC, which has SSH running, to AWS Redshift. I have copied the Redshfit public key to authorized_keys for the appropriate user. copy contact (id,name) from ...
0
votes
1answer
653 views

AWS RDS PostgreSQL dump/restore - syntax error

I am trying to import a postgresql database from an EC2 instance to RDS on the same subnet, so far I am doing the following... 1) Dump EC2 DB: pg_dump --host localhost --port 5432 -Fc ...
0
votes
0answers
118 views

Multi Session Mirroring using 1 witness server, cannot find certificate

I am trying to use 1 witness server for 2 mirrored databases that reside on different servers. For example: db1 on server(A) mirrored to server(B) using witness server(1), and db2 on ...
1
vote
1answer
544 views

How to migrate postgreSQL on EC2 instance to AWS RDS?

I have a large PostgreSQL DB (around 100GB) which is on EC2. I want to migrate it to RDS. How can I achieve this with minimal downtime?
0
votes
1answer
118 views

Amazon RDS replication with external slave

I've recently configured a replication with an external MySQL master and RDS as slave but now I need to reverse that config and use RDS as master and the other instance as slave. Actually I use a vpn ...
0
votes
1answer
113 views

Amazon RDS freezes on mysqldump

My questions is quite similar to Mysqldump from the Amazon RDS. I have the same behavior. Everytime when I do a backup using mysqldump my entire RDS freezes and hence my application is not responding. ...
1
vote
2answers
126 views

How do I know if a AWS Server instance has license SQL Server Standard or SQL Server Web?

I'm looking my AWS billing and this doubt has come up. How do I know if a specific instance is running SQL Server 2008-R2 Standard or SQL Server Web? (using the AWS Console or SQL Server Management ...
-2
votes
1answer
91 views

The best my.cnf for my AWS server

I have an amazon server , my mysql is very slow , i dont know what is the best configration for my server , i need to big caching system for improving my website speeds, it's my config : my.conf : ...
1
vote
1answer
1k 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 ...
0
votes
1answer
352 views

PostgreSQL 9.3: pg_dump fails due to tiger.direction_lookup

I am trying to dump the schema from one of my PostgreSQL 9.3+PostGIS databases: /usr/lib/postgresql/9.3/bin/pg_dump --schema-only -h stg-db.....rds.amazonaws.com ...
1
vote
1answer
38 views

PostgreSQL 9.2 EBS Snapshot on AWS

I found this post here back from 2011, and wanted to verify that it's still valid and good advice to take a hot snapshot of an ebs volume (PostgreSQL still running) so long as you're snapping all of ...
0
votes
1answer
210 views

How to get pg_archivecleanup on Amazon Linux 2014.03?

I have an Amazon EC2 instance based on Amazon Linux AMI 2014.03. I installed PostresSQL from their repos: yum install postgresql-libs postgresql postgresql-server postgresql-devel I've read about ...
1
vote
0answers
423 views

PostgreSQL continuous archiving - use snapshot for base backup on AWS?

I'm new to AWS and PostgreSQL admin and have been poring over the docs trying to come up with a good backup strategy for a fairly simple setup. I have a single Amazon Web Services EC2 instance that ...
2
votes
1answer
220 views

Using AWS DynamoDB Geospatial index with Python

Amazon's AWS DynamoDB features Geospatial Indexing, which facilitates geo queries: Query Support: Box queries return items that fall within a pair of geo points that define a rectangle as ...
1
vote
1answer
239 views

RDS MySQL instance is unavailable, probably during binlog rotation

One of my customers uses a few EC2 linuxes with PHP application, connected to a standalone MySQL RDS. He reported application outage. During my investigation I found that this outage happened ...
1
vote
3answers
2k views

How to decide whether to enable MySQL query cache using InnoDB

How should the decision to enable / disable the MySQL query cache be made, on a server that uses just InnoDB tables. Say for example, if the cache is enabled, then how should the output of: SHOW ...
4
votes
1answer
3k views

Amazon RDS mysqbinlog “Could not find first log file name in binary log index file”

Preamble: We use RDS at AWS to manage our MySQL database. I know that RDS creates binary logs used for replication.. I want to harvest these binary logs and store them on S3, so that at any time, i ...
2
votes
1answer
180 views

Managing code and deployments to Amazon Redshift

I am finding it difficult to manage and deploy schema changes to my Amazon Redshift database. Ideally, I would like is to have the code for my database under source control and use a schema ...
0
votes
0answers
105 views

how to archive old entries from mysql on rds

I have an AWS RDS MySQL DB. I have ec2 instances and an s3. What I would like to do is only retain 60days old data and archive the rest. I'm still new at this so I'm not really sure what to do. What ...
0
votes
1answer
57 views

Does Amazon Web Services (AWS) RDS support locally redundant storage (LRS) for Microsoft SQL databases?

Looking at the documentation for Azure databases I see that they support LRS (local stored in three seperate location) (I'm not interested in GRS) and I was wondering if anyone knew if AWS offered the ...
4
votes
1answer
2k views

How to configure replication from PostgreSQL (RDS) to vanilla PostgreSQL?

I have an Amazon RDS Postgres DB and I created a "replicator" user and granted it the "replication" privilege. db=> create role replicator login password 'something'; CREATE ROLE db=> alter ...
0
votes
2answers
1k views

SQL Server replication service in Amazon RDS

I have a local infrastructure with multiple SQL Servers. Some of the servers have replications services to copy some data to a master database. Is it possible to have the replication services to work ...
3
votes
1answer
324 views

Active/ Active SQL Server Clustering on AWS

I need to design and implement a highly available SQL Server 2012 clustering on Amazon AWS. In the white paper presented by Amazon, they provided an example of Active/ Passive SQL Cluster. Do you know ...
0
votes
1answer
364 views

What happens when the index size of my Mysql instance exceeds the innodb_buffer_pool_size?

I am using Amazon's RDS db.m1.small. innodb_buffer_pool_size is set to 1125.00 MB. Current index size is 1110.00 MB and growing slowly but steadily. I do not need more hard drive space. I want ...
4
votes
2answers
2k views

Is it possible to Clone a RedShift Database?

For some test and development work we would like the ability to routinely clone existing RedShift databases (all schema and all data). Something like a backup-restore. The best I can find starts by ...
1
vote
1answer
4k views

Not able to login on MySQL in AWS RDS using root

I am trying to connect my MySQL RDS from EC2. Under security groups I have made sure permissions are in place. $ mysql -h xxx.xyz.ap-southeast-1.rds.amazonaws.com -P 3306 -p Enter password: I am ...
2
votes
1answer
156 views

Improving concurrency in MongoDB via sharding

Our current setup: Cluster of ~500 ec2 c1.xLarge worker nodes with 8 threads on each running scientific simulations Results temporarily stored at runtime on each worker node's local MongoDB, using ...
2
votes
1answer
202 views

Is there a way to achieve Workload Management in MySQL?

Is there a way to set up Workload Management in MySQL (in particular v5.5 on AWS RDS)? By Workload Management I mean the functionality implemented in e.g. Teradata, RedShift that allows ...
0
votes
0answers
76 views

How do I get let SQL Server 2005 know that I changed host name in Amazon AWS server?

I am using an Amazon AWS SQL Server 2008 R2 server for dev purposes. In order to follow a new naming convention, we changed the name of the host. I then tried to let SQL Server know about this ...
2
votes
1answer
3k views

Creating mongo 3 node replica set on ec2 problems

I'm trying to create a 3 node cluster of mongo replicas on ec2 instances, with internal ips 10.168.xxx.xxx, 10.166.xxx.xxx and 10.188.xxx.xxx, my config file is: dbpath = /home/ubuntu/mongo-data/ ...
1
vote
2answers
161 views

Migrating a database from SQL Server 2012 to the cloud [closed]

I have a sample SQL Server database which is running on my computer. I have a cloud database account on AWS (free account). I want to migrate the database, with all tables, to the cloud. How can I do ...