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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2
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1answer
241 views

PostgeSQL 9.3: Is it safe to stop VACUUM FULL?

I'm using PostgreSQL 9.3 on RDS. Once in a while, I run a VACUUM FULL operation on the database. However, such operation can take quite a while and it blocks other tables, so the need to stop the ...
0
votes
2answers
400 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 ...
0
votes
0answers
51 views

A query to know RDS instance name in Amazon RDS for Postgres

Do you know a way to fetch the RDS instance name by a query run against a RDS-powered PostgreSQL database in Amazon? Something similar to: curl http://169.254.169.254/latest/meta-data/ami-id in ...
1
vote
0answers
118 views

Single Redshift table vs several mysql/ pgsql (on RDS) tables for small (200 tables * 20 columns * 1 million) monthly aggregation data

We're providing SaaS Data Analytics Dashboard for around 200 clients. We're using Amazon Redshift for storing data in in around 5 tables. We're getting around 30 million hits per day. Currently our ...
1
vote
1answer
111 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 ...
1
vote
0answers
156 views

Having problems trying to back up a Postgres database from AWS RDS

I am trying to backup a Postgres database from RDS and I am getting this error message. pg_dump: [archiver (db)] query failed: SSL error: unexpected message pg_dump: [archiver (db)] query was:...
0
votes
1answer
122 views

AWS RDS query running extremely slowly

I am testing out AWS RDS to replace a local DB and in general I am finding the latency etc acceptable for most of our use-cases. There is one particular query that we run manually (i.e. in SQL Server ...
1
vote
0answers
84 views

Keep selected tables synchronized across MySQL databases

I've a need that requires me to keep a number of tables from a database (db1) synchronized with another database (db2). db1 & db2 have different structures and a set of tables and their data from ...
0
votes
1answer
43 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. ?
2
votes
0answers
186 views

mysqldump restore error

I am getting the error below, while restoring a dump to RDS MySQL 5.6. Dump is taken from MySQL 5.5 originally. I tried restoring twice but same error. Can anyone help ERROR 1064 (42000) at line ...
2
votes
1answer
147 views

Synchronizing a RDS instance with another RDS instance

I have a database on an RDS Instance (master) that needs to be synchronized to another RDS instance (slave). I created a read-replica for the first one, but that is created as read_only so I cannot do ...
7
votes
1answer
119 views

Two servers, different execution plans. Several orders of magnitude difference in run time

Two servers, Development and Live. Live server is an Amazon RDS SQL Server Web instance. Both servers have identical schema and data. There is a good spatial index on the geometry column. On my ...
0
votes
1answer
302 views

SET sql_log_bin = 0 in RDS MYSQL 5.6

I have moved into RDS MYSQL 5.6 and now I have a problem. I have 5 read replicas and a/z master. I am trying to alter a table and want to change a column value and also on some tables I want to add a ...
12
votes
1answer
6k views

ERROR: no schema has been selected to create in

I am working on an amazon RDS postgresql database where I know there had been some issue with the public schema (maybe it was dropped). But apparently the schema exists, and anyway the problem is not ...
5
votes
1answer
185 views

Exporting SQL Server DB from my laptop to AWS RDS

I am following this tutorial from AWS to export a SQL Server database that currently sits on my laptop to Amazon Web Services RDS. In particular I am trying the Generate and Publish script wizard ...
1
vote
1answer
100 views

RDS Replication Error (Apply Error 1406 / Truncation)

I have a MySQL RDS instance as a master, created a Read Replica from it, and ran some schema change operations on it. To be specific, I changed the charset and collation of all the tables and columns ...
0
votes
1answer
159 views

How to Upgrade Master Slave MySQL on AWS RDS?

I already have Master Slave configuration on AWS RDS. We want to upgrade 5.5 to 5.6.23. ..What should be correct sequence to Upgrade ? 1. Upgrade Master ( Using Modify Instance ) --> Upgrade Slave 2. ...
3
votes
1answer
263 views

MySQL 5.5 to RDS 5.6 Replication Error

I am facing following error and unable to fix it. So far I have disabled binlog checksum on the RDS. [Warning] Slave I/O: Notifying master by SET @master_binlog_checksum= @@global.binlog_checksum ...
1
vote
1answer
448 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 ...
0
votes
1answer
85 views

Moving MySQL data from RDS to RDS

We have an RDS instance with about 200G of data in it. A few issues cropped up on our end, and we need to both change the collation and charset of all our tables, as well as have all the data ...
0
votes
0answers
32 views

Amazon RDS Read Replica

I would like to know, is the Read Replica is nothing but the slave server, where only reads are there. I created two mysql instances in amazon RDS, one is Read Master, and another is Read Replica. ...
2
votes
1answer
704 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 ...
2
votes
3answers
227 views

Updating/Inserting 2000 entries takes over 12 hours to complete

I have three tables of around 10 million rows each in MySQL on Amazon RDS and I am finding the insert/update performance to be VERY slow. Each table contains unrelated data. Each table is regularly ...
0
votes
0answers
132 views

Query EXPLAINed differently on MySQL 5.6 (or Amazon RDS) and is very slow

I have the following query: SELECT ld.idDataAttribute AS idDataAttribute, ld.instance AS instance FROM logs l INNER JOIN logData ld ON l.idLog = ld.idLog INNER JOIN dataAttributes da ON ld....
0
votes
1answer
314 views

Table partition in aws MYSQL RDS master slave setup

we are looking to do a table partition in MYSQL RDS running 5.6, table size is large and takes around 6 hours to partition. Can we partition on rds slave and then later promote it to master. is this ...
1
vote
0answers
47 views

compound index not being used on simple query

I'm running this query, and it seems to be doing a table scan , rather than using the relevant index.. select count(*) from pages where charity_id=447 and provider_id=1 this is the explain: ...
1
vote
1answer
96 views

RDS Postgres Peformance

I have recently set up a new RDS instance to test out working with a AWS postgres instance vs a heroku postgres instance. What I've found is that when I load an instance of 1000 entries in RDS its ...
4
votes
1answer
1k views

Local Backup from Amazon RDS PostgreSQL database

I have a PostgreSQL database on an Amazon RDS instance. I want to have a local dump of this instance. So far, I've tried with this: PGPASSWORD="Password" pg_dump -h mydb.xxxxxx.us-east-1.rds....
1
vote
0answers
98 views

Can a AWS PostgresSQL RDS instance be provided with a stop words file?

I need to provide a custom list of stop words. From the manual section on dictionaries the way to do this is to put a stopwords file in $SHAREDIR/tsearch_data/. Is it possible to do this when using ...
0
votes
2answers
117 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
votes
1answer
100 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 ...
1
vote
0answers
203 views

Writing audit trail funtionality in postgres, can I use pl/V8 instead of pl/pgSQL?

I'm using postgres 9.4 on Amazon RDS. This the fast and loose "application developer" definition of an audit trail. The audit trail isn't for security nor is it a legal requirement - I don't even ...
3
votes
1answer
544 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 ...
0
votes
1answer
1k views

Import big CSV on Oracle

I have big CSV files and placed it on Linux (Amazon AMI). I have installed instant client on Amazon Linux AMI and I can connect to my Oracle database using SQL Plus. How can I import all the CSVs to ...
1
vote
0answers
27 views

Optimizing MySQL for write throughput ceiling

We have a large MySQL database on AWS RDS, with a huge table around ~1.8TB with massive write workload. We recently hit a write throughput bottleneck, which caps our provisioned IOPS way below the ...
2
votes
1answer
884 views

How to temporarily disable foreign keys in Amazon RDS PostgreSQL?

I'm migrating existing test environment to Amazon RDS PostgreSQL. The test framework has a feature of reloading data in certain tables to an earlier state. For this it disables foreign keys, deletes ...
4
votes
2answers
281 views

How to create INOUT assignment cast on Amazon RDS PostgreSQL? If not possible, then why?

I'm migrating existing application to Amazon RDS PostgreSQL. The application has cross-database support and for compatibility reasons it includes the following SQL: CREATE CAST (varchar AS numeric) ...
1
vote
1answer
275 views

PostgreSQL on RDS: How to bulk import data with FK constraints?

Is there an efficient way to bulk import data into a PostgreSQL 9.4 database on RDS that makes extensive use of foreign key constraints? The standard method of using pg_restore fails because RDS does ...
0
votes
0answers
99 views

CPU jumps massively and stays high, under very light load

We had two separate RDS instances exhibit the same pattern today. This was both during low load times, one during the lowest load time for that server. They both started at almost the same time. No ...
1
vote
0answers
306 views

amazon rds logs all queries

I have enabled slow query log on Amazon RDS with following configuration. long_query_time = 0.5 general_log = 0 log_output = TABLE min_examined_row_limit = 1000 slow_query_log = 1 ...
6
votes
1answer
954 views

GRANT USAGE on all schemas in a database? postgres

I want to GRANT USAGE to a user/role for a given database. The database has many schemas. I know there's an ON ALL TABLES IN SCHEMA, but I want "all schemas". I tried GRANT USAGE .. ON DATABASE, but ...
5
votes
2answers
297 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 ...
1
vote
1answer
392 views

Configuring slave from EC2 master to Amazon RDS slave

I am configuring replication from EC2 master to Amazon RDS instance. After starting the slave, I don't see any errors but I see slave_IO: _thread is connecting. Master version:5.6.23 Slave ...
0
votes
2answers
358 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 ...
0
votes
0answers
48 views

Will breaking down a bulky insert reduce the number of IOPS on MySQL?

Our RDS instance is setup to handle 1000 Provisioned IOPS. This number is fine for most of the time. But at some point we need to run several insert operations (each inserting 2K records), our IOPS ...
2
votes
0answers
569 views

MySQL SSL using MariaDB JDBC Driver

We have the following setup: Ec2 instance running a jboss server with mariadb (1.1.7) datasources setup to connect to an rds instance running MySQL 5.6.21. We would like to turn on SSL on for this ...
0
votes
1answer
212 views

mySQL running on 100% CPU both on RDS and EC2

How do we troubleshoot an issue with Amazon wherein my database queries (PHP/MySQL) are eating 100% CPU most of the day? Traffic=200 connections average mySQL version = 5.5.40 The ...
0
votes
1answer
176 views

What does “Latest Restore Time” says in AWS RDS(Mysql) instances page

I have two RDS MySQL instances and when I look at the instances page, I have seen a field named "Latest Restore Time" and the value for it is some time stamp in IST time zone. I would like to know ...
3
votes
0answers
712 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
28 views

Prevent Reconnections During Application Cluster Restart

I have a large cluster of application processes (>5000) spread out over multiple EC2 servers. When I attempt to restart them or deploy new code (with a restart), they all attempt to reconnect to the ...