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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123 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 ...
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8 views

How to set up Amazon RDS parameter group for Postgres?

I'm trying to create a parameter group in Amazon Web Services for an Postgres 9.5 RDS instance. I'm a little confused by the units being used for things such as shared_buffers and min_wal_size. ...
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9 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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1answer
267 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 ...
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0answers
49 views

RDS MySQL memory usage question

I have an instance of RDS of MySQL 5.7.10 I am on a package: db.t2.micro which grants me 1vCPU and 1Gib of memory. I am using Monitoring window to monitor the CPU/Memory usage. I do not understand ...
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1answer
317 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 ...
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1answer
43 views

How to skip the current 'Relay_Master_Log_File' in AWS MYSQL RDS?

Below is the status of my slave. The master log file is at position "mysql-bin-changelog.278337" but the slave log file is at position "mysql-bin-changelog.278008". How to skip the current executing ...
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1answer
6 views

In RDS digest function is undefined after creating pgcrypto extension

On an AWS RDS instance, we have run CREATE EXTENSION pgcrypto; The extension gets created. Both queries: SELECT digest('a', 'sha256') FROM table_name; SELECT public.digest('a', 'sha256') FROM ...
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18 views

Pgpool slave node limit

I've started a new database architecture using pgpool-II 3.4.5, I have 3 servers by now, 1 master and 2 slaves. They are configured to use Master/Slave conf and LoadBalancing. The problem is: When I ...
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1answer
822 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 ...
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1answer
224 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 ...
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1answer
64 views

Force PostgreSQL clients to use SSL on Amazon RDS

I'm running a PostgreSQL 9.4.x instance on Amazon RDS. I can successfully connect to that server using SSL using a command line similar to this one: psql "host=x.y.z.rds.amazonaws.com dbname=aaa ...
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13 views

Change in mysql structure while backup is being created

I'm using amazon's RDS services and I wonder what happens if while a snapshot is being created I change the db structure? Will it corrupt the snapshot? Will it disallow me to make the change? I ...
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1answer
128 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. ...
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18 views

Downloading transactional logs for MS SQL from RDS

Is there a way we can download transactional logs of MS SQL on Amazon(AWS) RDS such that those logs can be used to recreate the database on premise? I am looking for a way to have an option of ...
3
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1answer
61 views

“Cannot resolve table name” error when applying MySQL dump to RDS

I'm setting up replication of an external MySQL instance to RDS. Both the external MySQL instance and RDS run MySQL 5.7.10. I've followed the procedure, but when dumping the database with mysqldump ...
0
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1answer
18 views

Give third-party access to AWS hosted MySQL

I have a production MySQL database hosted on AWS for an eCommerce store I work with. Employees in the firm are requesting access to our live SQL database to use with BI tools like Tableau/Qlikview. ...
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0answers
27 views

Moving extensions in AWS RDS (Postgres)

Initially we installed all extensions in default "public" schema. Now we have more and more other schemas - thus we want to add extensions and common functions to the schema common. Unfortunately AWS ...
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36 views

Amazon Aurora CREATE_TIME in INFORMATION_SCHEMA.TABLES is NULL

We are running an Amazon Aurora database that emulates MySQL 5.6.10. The CREATE_TIME in SHOW TABLE STATUS and INFORMATION_SCHEMA.TABLES is consistently NULL for all our tables. Is this a bug, a ...
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0answers
12 views

Temporary Point-in-Time recovery for Aurora/MySQL 5.6?

How can I restore a point-in-time copy of my Aurora/MySQL database to I new instance? I would like to verify that a data fix will be consistent at a particular point in time. I don't want to roll ...
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1answer
22 views

How long will it take to migrate a 5 GB Database to Amazon RDS [closed]

I just need an estimation. How long will / can it take to move a 5 GB big database from an external source to amazon RDS. What is best practise to do it? I just moved succesfully a few days ago a ...
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2answers
996 views

How to speed up select distinct?

I have a simple select distinct on some time series data: SELECT DISTINCT user_id FROM events WHERE project_id = 6 AND time > '2015-01-11 8:00:00' AND time < '2015-02-10 8:00:00'; And it ...
5
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1answer
98 views

AWS RDS databases & SSIS

I have 2 AWS RDS databases (A & B) and need to create a datawarehouse with star scheme and slowly changing dimensions within AWS. From a MS background it makes sense to create a SSIS package to ...
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1answer
58 views

Preventing MySQL index corruption

I'm having a recurring issue with a MySQL database where one index in particular has been getting corrupted. Originally I saw a corruption event about every 2-3 weeks and this week I've seen it happen ...
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30 views

Refreshing SQL Server DB on Amazon RDS

we have a SQL Server DB running on Amazon RDS, i need to refresh it. But in RDS there is no option to restore a backup. What other ways i can use to refresh this DB? It is 60 GB, and has 200 tables. ...
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1answer
2k views

What is default MySQL binlog retention in AWS RDS?

I tried to retrieve my MySQL RDS binlogs in order to run manual "rollback" for some SQLs. Unfortunately, I noticed that only 2 binlogs for the last 30 minutes are available. "call ...
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2answers
309 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 ...
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1answer
73 views

Why Write IOPS,Write throughput,Queue depth decreased on AWS/RDS after changing innodb_flush_log_at_trx_commit and sync_binlog?

I changed values for my Mysql parameters 1. innodb_flush_log_at_trx_commit=2(before it was 1) 2. sync_binlog=0(before it was 1) This has changed some of my parameters on AW RDS drastically ,here ...
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0answers
16 views

How can i delete an orphaned table from AWS RDS database?

Info: Database is an RDS instance (MySql) Yesterday i tried to add a field to a table and did an Alter table command. There is probably some millions of records in that table. After a while it just ...
4
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2answers
233 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) ...
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1answer
28 views

MySql event ENABLED on both primary and replicate of RDS multi-AZ deployment

I have a mysql database instance deployed in a multi-az configuration on Amazon RDS. We've seen replication fail a couple of times in the last two months, with an error message like, Apply Error ...
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1answer
90 views

How to change query_cache_type to 2 in AWS RDS?

I want to change my AWS RDS parameter query_cache_type value to 2 , I have done it in parameter group dashboard as in the given image. I have also restarted my mySQL server with the changed ...
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2answers
4k views

Finding reason behind high write IOPS on MySQL (RDS) server

I am having performance issues with an AWS RDS instance (running MySQL 5.6). This is the backend db to an XMPP server called Tigase. According to Tigase Inc. this type of db instance should be able ...
3
votes
2answers
377 views

How to setup Oracle at Amazon RDS

I created a Relational Database Service (RDS) with Oracle database at Amazon Web Services (aws.amazon.com). However, when I attempt to connect to the database (with SQLDeveloper or Navicat), I am ...
4
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0answers
176 views

How can I seamlessly upgrade the major version of an AWS RDS postgres database?

This morning I was involved in upgrading a PostgreSQL database on AWS RDS. We wanted to move from version 9.3.3 to version 9.4.4. We had "tested" the upgrade on a staging database, but the staging ...
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22 views

Rds snapshot restore time

As part of our blue greendeployment strategy we are snapshoting the prod RDS instance and then restoring this snapshot into a new instance applying db migrations after it and linking the Green ...
4
votes
1answer
2k views

Is there a way to replicate Postgres databases in Amazon RDS between regions?

We have a Postgres RDS instance in the AWS Oregon Region. For some supposed legal reasons, we have to host our client's European data in the Ireland AWS Region, but we need that data synchronized to ...
2
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2answers
128 views

How to optimize query on MYSQL with multiple group by clause

I have a web application where users can view data of performance. There will be around 200 to 250 users. Each user will have like 100,000 rows of data per day. It is only table and here is ...
1
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1answer
25 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 ?
4
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1answer
86 views

Debug query on big table that is sometimes slow

I have a web API that is backed by a Postgres database, and the performance is generally very good. I monitor the performance of both the database and the application as a whole. Most of my queries ...
3
votes
1answer
124 views

RDS crosstab: ERROR: permission denied for language c

We're currently using PostgreSQL 9.2 in our production database, we want to migrate to a new RDS instance, using PostgreSQL 9.4. However, we need to have permission to create a function, but only ...
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0answers
11 views

Changing global variables in MySQL RDS instance

I have a MySQL RDS instance that I created. I need to set the net_write_timeout variable in the instance so it is available globally. Can this be done ?
2
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3answers
701 views

Cannot ALTER TABLE

I have a particular table that I cannot add a key for: mysql> ALTER TABLE tasks ADD KEY `fruitful_user_count` (`user_id`, `is_fruitful`); ERROR 1034 (HY000): Incorrect key file for table 'tasks'; ...
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2answers
247 views

Why does SQL Server Management Studio hang (Not Responding) when connecting to Amazon RDS?

When I use SSMS to connect to a database hosted on Amazon RDS, the IDE hangs (as in goes to "Not Responding) after login. I enter SQL Authentication credentials and click Connect and the login window ...
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2answers
313 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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2answers
64 views

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
31 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
45 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 ...
1
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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
343 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 ...