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12 views

Backing up AWS database to an on premise server

I have 2 questions - 1) Are there tools, AWS provided or otherwise, which can continuously backup a cloud-based database (Postgresql RDS) to an on-premise server ? 2) I want to do this, so that I ...
0
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0answers
21 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 ...
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1answer
81 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?
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0answers
36 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 ...
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1answer
49 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. ...
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2answers
72 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 ...
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1answer
57 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 : ...
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1answer
204 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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1answer
115 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 ...
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1answer
19 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 ...
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1answer
127 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 ...
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0answers
235 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 ...
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0answers
113 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 ...
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0answers
24 views

How to replicate an Oracle 11g DB on AWS

Our client gave us an RMAN back for Oracle Enterprise 11.2.0.3 and we wanted to replicate it on AWS We are unable to do so because the default AWS server runs 11.2.0.1 and we do not have a licensee ...
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1answer
101 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 ...
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0answers
18 views

No privileges on the admin

I am using MySQL on AWS, and I came to horrific realization that privileges were flushed shut N across the board today. I was able to view this from an other user has very few privileges, but one of ...
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2answers
1k 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 ...
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1answer
2k 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 ...
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1answer
98 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 ...
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0answers
72 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 ...
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1answer
46 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 ...
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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 ...
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2answers
615 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 ...
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1answer
212 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 ...
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1answer
264 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 ...
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2answers
699 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 ...
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1answer
2k 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 ...
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1answer
132 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
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1answer
151 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 ...
2
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1answer
2k 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/ ...
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2answers
124 views

Migrating a database from SQL Server 2012 to the cloud

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 ...
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1answer
1k views

AWS performance of RDS with provisioned IOPS vs EC2

Has anyone done a performance comparison of AWS RDS with the new provisioned IOPS vs EC2? I've found plenty of non-high IOPS RDS vs EC2 but nothing with the new high IOPS feature in RDS.
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1answer
359 views

Migrating development and production databases to AWS

After careful thinking and asking on meta.stackoverflow, I'm posting this question on the DBA site. If anyone thinks this question should be on serverfault or any other site, feel free to close and ...
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2answers
4k views

How to solve MySQL “The table is full” error 1114 with Amazon RDS?

I am trying to add a new column in a table and the query giving me this error 1114. My RDS instance size is small. 1.7 GB memory, 1 ECU (1 virtual core with 1 ECU) Table i am trying to modify is ...
4
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1answer
2k views

MySQL on RDS, data transfer from one instance to another as a production job

I have a MySQL RDS instance ("production") from which I need to copy incremental data to another MySQL RDS instance ("reporting"). “Incremental data” being the new rows in certain tables. Currently ...
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1answer
283 views

Postgres Plus Cloud Database on AWS for write heavy social game?

I'm one of four founders of a big social gaming iPhone app in Sweden. We now suffer from severe database server issues so I'm turning to you guys to get some help. First of all, let me get this out ...
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1answer
720 views

What AWS instance to choose for write-heavy PostgreSQL database server

We are now having problems trouble to tackle the intensive traffic to our servers during peak hours; see this related question on tuning the DB. At the moment we are using a smaller cloud service for ...
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2answers
274 views

Sharded MongoDB backup solution

I am looking for a way that I can backup my 12 MongoDB shards into a single server. Disk space is not an issue but getting the backups to be on a single node would be the best. I am not sure if there ...
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1answer
802 views

High MySQL CPU usage, queries seem fine, not running ntp

I've had about 48 hours of extremely high CPU usage on my main MySQL database for no apparent reason. I realize this question is quite similar to the one posed here: High CPU usage from MySQL with no ...
2
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0answers
893 views

MySQL Server hitting 100% unexpectedly (Amazon AWS RDS)

We've been struggling with this issue for months. This week we upped our RDS instance to the highest performing instance and although the occurrences have reduced, we're still seeing our database ...
3
votes
1answer
162 views

Frequent MySQL table corruptions and instability

The database I'm working on is having frequent issues. Almost every day there is a problem. Things like tables crashing or becoming corrupt. So far, they've been repairable in one way or ...