Amazon Relational Database Service is a web service that makes it easy to set up, operate, and scale a relational database in the cloud.

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Why database size is smaller in RDS

I am trying to move my database from MySQL to RDS MySQL. I do a simple mysqldump to transfer. I use this query: SELECT TABLE_NAME, table_rows, data_length, index_length, round(((data_length + ...
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1answer
32 views

Why is MySQL choosing that index?

I have a large indexed table with over 35 million rows. Here are the indexes, with a naming convention that shows their sequential column order: IDX_E93438363DAE128B, ...
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0answers
59 views

RDS Large SQL Server Instance high cpu low connections?

We are routinely getting high CPU usage with only 12 connections on our M3.large instance. I'm not particularly skilled with AWS RDS, please forgive any ignorance or obvious mistakes. But I don't ...
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1answer
27 views

How to automatically backup a MySQL/Amazon RDS database?

I would like to get automatically MySQL backups to sync them to another provider as secondary backup. The RDS Snapshots itself are not useful in this case because the are "hidden" in AWS and can only ...
1
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1answer
360 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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0answers
37 views

Best approach to maintain a clone of a db in Postgres RDS

We'd like to maintain a separate database for our dev environment that closely resembles the current state of our production database. What is the best way to do this in RDS? Our current process is to ...
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1answer
27 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 ...
3
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0answers
74 views

Why does replication with SSL fail on my MySQL database in AWS RDS?

I'm trying to replicate from AWS RDS to my own server. It works without SSL. Whenever I include the SSL property to the slave, it breaks with this error: error connecting to master ...
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2answers
289 views

Guid vs. integer ID for unique fields

This is really a generic question. Suppose I have a replication pattern of a single write DB and multiple read DB replication slaves - I do not have to have GUID's as my unique IDs fields. Is that a ...
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1answer
417 views

MySQL RDS Error 1062

Normally we can skip 1062 duplicate error but in rds can we skip multiple 1062 errors in one go. For example we define slave skip error =1062 in my.cnf and restart slave. but in RDS MYSQL how can we ...
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1answer
95 views

RDS innodb_flush_log_at_trx_commit problem

I use Amazon RDS as mysql db backend for highload project and try to optimize insert performance for innodb tables. According to information from different sources - good candidate to speed up inserts ...
2
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1answer
33 views

Mysql RDS migration problem

I'm trying to migrate my MySQL RDS to a different machine. The reason is that I need smaller disk, and you can't make disks smaller for RDS servers, only bigger. I'm trying to migrate with this ...
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0answers
72 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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0answers
53 views

Modify MySQL information_schema (specially create_time) on AWS RDS?

I am trying to modify the create_time of an entire database, tables, etc. I have found that information_schema tables stores the creation date of the tables on the column CREATE_TIME. Unfortunately ...
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1answer
68 views

High Write Count/sec in my RDS server

Recently we have encountered seriously problem since we moved our mysql database from EC2 to RDS. We do have high cpu usage before moved to rds, but our website has a good speed for our customers. ...
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0answers
39 views

RDS Data Loss after modify DB instance

I recently modified the size of one of our RDS instances in AWS, after this operation had completed overnight I came in to find that some of the jobs had dropped out of SQL Server Agent & the job ...
1
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1answer
396 views

Trying to use SMO Transfer Object to transfer a database from one instance to another

The schema tables are owned by dbo and another schema name. The code below is not moving over any tables. Is there something else that I need to add to make it transfer the tables? There are no stored ...
3
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1answer
78 views

mysql not using index on production query, yet does on staging and local

I have this query: select m.id meal_id, SUM(FORMAT( ((((fi.calories / fi.weight_in_grams) * w.GRAMS) * i.amount) / r.serves) * mr.servings , 3)) calories from meals m join ...
2
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1answer
157 views

How to test encryption on Amazon RDS MySQL?

Our company is creating a MySQL RDS with encryption enabled. Now, as we are new to RDS, we have couple of questions related to RDS. Once we create a MySQL RDS with encryption enabled, how will we ...
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1answer
23 views

Two mysql db's load the same data at two different rates

Any idea why this might be happening? We have the same mysql (*.sql file) data being imported into two virtually identical mysql databases every day, but one consistently takes 30% longer to load ...
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5answers
3k views

Amazon: How to change database name in Amazon RDS MySQL?

I want to change MYSQL database name of the DB instance of Amazon RDS. How it can be possible?
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1answer
630 views

#1041 - Out of memory issue in mysql [closed]

I am using Amazon RDS db.m1.medium instance. It has at least 40-50 database and atleast 10k table. For last one year it was working fine, but today I was altering one table It started giving error. I ...
2
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1answer
100 views

AWS RDS - Changing Instance Class

So I'm fairly new to AWS and I'm hoping you guys can reassure me as I couldn't find anything in the AWS documentation either way. I actually have two questions, the first: I have an RDS MySql ...
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0answers
223 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 ...
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0answers
23 views

AWS RDS Postgresql restricted user

When you create a RDS instance (Postgresql) on AmazonWebServices you create a user that is a part of rds_superuser role. This user is sort of an administrator and is therefore not appropriate to use ...
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0answers
10 views

RDS MySQL Storage and N/W Usage

have Single Schema and single MySQL Instance on RDS Where my website users are creating app and app data stored in MySQL database in my schema each app has Unique id. One user may have one or more ...
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2answers
236 views

Choose security group for restore-db-instance-to-point-in-time

When using the AWS CLI restore-db-instance-to-point-in-time command, I can't figure out how to set the security group. The doc on this page says: The target database is created from the source ...
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0answers
84 views

rds db.m3.large unexplainable low performance

I'm really hoping someone could help me figure this out. We run mysql 5.6 on a db.m3.large instance, with Storage TypeStorage Provisioned IOPS (SSD), 300G/3000IOPS and encrypted storage. Our current ...
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0answers
36 views

Amazon RDS Mysql User/Host permissions

I have a new RDS Mysql instance. I can telnet to it so no firewall issues. Here is result of connection attempt with mysql client mysql -h xxxxx.xxxxxxxx.us-west-2.rds.amazonaws.com -u rdsmasteruser ...
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1answer
63 views

Export and Import large database from one rds of amazon to newly created amazon rds

We are facing some issue. We would like to export and import mysql database "xyz" from old rds say xyz-rds to newly created rds say abc-rds (mysql). We are approaching common method taking full ...
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2answers
112 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 ...
2
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1answer
69 views

Which AWS database services are designed for storing logging records like log4j or log4perl?

I have been using the file system for log4j and log4perl records and want to start using a database to store the information, especially to lookup records organized by pid. We are using MySQL RDS for ...
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1answer
42 views

Create a quick report for a client

I have an Amazon RDS (postgres) database and an client asked me to have access to certain data stored in this database preferably in the form of a comma separated file. If the data changes, the client ...
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0answers
50 views

Improve performance of count(*) with two exists

I need some help improve performance of this query that runs in Postgresql 9.4 at Amazon RDS: SELECT count(*) AS total FROM people WHERE EXISTS ( SELECT 1 FROM person_values WHERE ...
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0answers
107 views

Postgres asynchronous procedure execution?

I have an ETL script entirely contained within a Postgres 9.3 procedure. The script takes several hours to process, which is fine for our purposes. What I haven't been able to find out is if there ...
2
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1answer
815 views

How do I configure AWS Aurora to separate write/read operations

I want to migrate my database instance from AWS RDS MySQL to Aurora, but I have a doubt about replication and how Aurora management the write/read operations. I have my application and I want to ...
1
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1answer
4k views

Can I see the status of a “repair by sorting” in mysql?

I am running an alter statement on a very large table. show processlist shows the state as "Repair by sorting". Is there a way to see the status, or get an estimate of how much work has been ...
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3answers
16k views

How can I determine how many IOPs I need for my AWS RDS database?

I am migrating part of a mysql database into AWS. The data in question is 99% write, and each row has about 1k of varchar fields, a datetime and 4 ints. I estimate that we will need between 20-25k ...
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0answers
96 views

Amazon RDS: Replacing file based workflows in Oracle RDS

Oracle RDS has limitations to how it supports different file workflows External tables are apparently not supported It is, to my knowledge not possible to mount a disk and use UTL_FILE to read/write ...
13
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2answers
12k views

What is the optimal way to upgrade production RDS instance?

I have MySQL small RDS instance as part of my production system and I want to upgrade it to medium instance with provided IOPS. As old-school DBA I'm aware about "add slave; promote to master; ...
3
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1answer
143 views

RDS raising unwanted PostGIS NOTICEs

I have an Amazon RDS instance that is producing unwanted NOTICEs. I have never seen this behaviour before. mydb=> select current_setting('client_min_messages'); current_setting ...
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2answers
274 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 ...
3
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1answer
475 views

How to change database encoding in an Amazon RDS Postgresql instance?

I need to create a database with SQL_ASCII encoding in Amazon RDS PostgreSql database instance. Since template0 and template1 are both with utf8 encoding, I get the following error $ createdb -h ...
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1answer
98 views

Is it possible to Clone an Existing MYSQL Slave Database into Amazon RDS with the RDS clone being a slave to an external Master?

We are interested in migrating our data from one of our MYSQL slave databases to an Amazon RDS instance such that the new RDS database is a slave database to an external master DB from our ...
2
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1answer
89 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 ...
2
votes
2answers
1k views

Why is my RDS mysql slow query log full of server restarts?

One of my RDS mysql databases is giving me warnings about the slow query logs taking up significant space. The logs are rotated once an hour, and contain a dozen repetitions of: ...
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0answers
207 views

Poor performance after switching from EC2 Percona to RDS MySQL. What am I missing?

Current RDS Setup: db.r3.2xlarge running in Multi-AZ, 8 VCPU, 61GB RAM, 1500GB EBS Volume with 5000PIOPS, Mysql5.6 Here are our current MySQL variable values: ...
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3answers
201 views

Optimize mysql --> 'show global status'

I am working in the optimization of a MySQL Wordpress database running in a RDS instance at Amazon AWS. The instance is a t2.medium machine with 4GiB of RAM and 2vCPU. The size of the DB in a sql file ...
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1answer
73 views

'cmd' Field Definitions sysprocesses MS SQL Server

I am looking at doing some profiling of connections types and volumes across the day. I am using the sys.sysprocesses to gather the information I require, looking specifically at the 'cmd' field to ...
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0answers
79 views

Amazon RDS CPU is about 55-65% after optimizing some tables (Mysql)

I was having high RAM consumption and, looking for a solution, I executed the script mysqltunner to monitor possible optimizations in the Mysql database. Its first advice was I had to run OPTIMIZE ...