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8 views

SQL Server Replication with AWS EC2 and On Premise [on hold]

Is this going to be seamless as if not using AWS? Main concern: 1) Different domain. 2) Usage of Instance name. I know we can do it even on RDS using this 3rd party tool, https://aws.amazon.com/...
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0answers
17 views

Why did the data type of my DB change?

I had PostgreSQL installation in an EC2 instance. I wanted to migrate to RDS and thus used the DMS service. However, I later came to realize that the data type of the columns have been changed. The ...
0
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0answers
21 views

Trying to connect to Amazon RDS from outside with no luck

Please give me a tip so i can connect to my rds instance. I cant figure out whats wrong..
2
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1answer
141 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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19 views

Database design for login statistic over few years on AWS

Actually on a project I'm working on we are using MongoDB for statistics but it's not working like we want. It's too slow and we have to make too many aggregate tasks to get fast results. Login ...
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2answers
42 views

Migrate a SQL Server instance from one server to another [closed]

I have a database for my website running on AWS. My web admin has given me access to the database, and I'd like to host and manage it on my own. How do I migrate the SQL database from AWS to my own ...
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0answers
41 views

Unable to create new database in 12c RAC Mode with DBCA

I am new to DBA and currently trying to implement Oracle RAC cluster according to article -> RAC Deployment on AWS. I want to create a database which is non-CDB type on this architecture, although it ...
1
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1answer
143 views

High data traffic from MySQL server to web server

I have one webserver running Magento : Community Edition 1.7.0.2 and a separate machine with MySQL 5.5.42 on it. Both machines are EC2 instances. I am seeing huge unexpected data traffic from the ...
1
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2answers
880 views

MongoDB: Server sockets closed after a few minutes

I am working with multiple AWS intances connected to the same mongo database (inside Compose.io Elastic deployment) but I keep getting the error server <url>:<port> sockets closed after a ...
0
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1answer
255 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 's3:/...
1
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1answer
129 views

Change AWS's Read Replica's streaming replication to trigger based replication

We have a Postgres RDS instance for which we have created a read replica instance. The problem we are facing is that, that whenever there is a long running query(about 30-40 mins) on Read Replica, it ...
0
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1answer
126 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 ...
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0answers
11 views

Estimate amount of downtime from RDS backup

I have an Multi-AZ RDS instance. Due to some maintenance I want to create a consistent snapshot of the database during the day, but this means shutting down all our services. I noticed from the AWS ...
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2answers
304 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 ...
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0answers
30 views

How can i sync a table between two MySQL RDS insatance

I am trying to sync one table in two of mysql RDS instances in AWS something like a db link or FEDERATED engine.
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votes
1answer
67 views

Server Specifications for Web Application [closed]

I am trying to select the configuration for a web application built in PHP 5.5 and MySQL 5.1. I will also be deploying PHPmyAdmin for the MySQL database. Both the web application and the database will ...
0
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0answers
31 views

Are read replicas affected by heavy writtings in master?

This is my problem: Sometimes one long lasting query (>60 secs, and I have a lot of those) which is always a SELECT makes my whole application stops working properly up until the query is solved. ...
2
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0answers
39 views

Mirror data on local SSD storage to conserve EBS I/O?

I have an AWS instance with local (ephemeral) SSD storage backed by a permanent EBS storage. Is it possible to configure the local storage to act as a mirror/cache for row data in MySQL? I do not wish ...
2
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0answers
15 views

What is the best way to keep track of 1000 RDS hosted databases?

I want to know what is 'best-practices' for managing an extreme number of RDS instances. I have no problem managing five. But managing dozens or hundreds, that's another task. I'm thinking use a ...
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0answers
22 views

How to move the logins from one SQL Server RDS to another?

Please tell us the way to move the Logins from one SQL Server RDS to another SQL Server RDS. This information will be very useful when moving the databases from one SQL Server RDS to a new SQL Server ...
1
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1answer
20 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 ...
0
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2answers
33 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. ...
1
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0answers
22 views

psql in windows

I want to connect to Amazon Redshift and run scripts like exports to s3 and loads through command line. is psql the only way to go? If that is the case, is there a package that would install just ...
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0answers
24 views

How to synch PostgreSQL databases on separate RDS instances everyday

I have two RDS instances: staging and production with two databases in each. I would like to sync the production instance on the staging instance everyday. Any suggestions?
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0answers
57 views

AWS DMS creates tables with no auto_increment

I am migrating my databases to Amazon's RDS using their DMS tool. Pretty much everything looks great except that columns that were marked as auto_increment on the source database did not get marked ...
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0answers
25 views

Mongo is slow when the IOPS reaches 50%

We have an AWS-r3.large system. With 1.5TB data volume dedicated to Mongo. We are still using 2.6.3 (yes, upgrade pending for a while now). The data size is only 550GB. The volume that we have, has ...
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0answers
25 views

Loading Data from url

I am trying to create a plan for data load and wanted to bounce off best practice ideas and learn about amazon RDS. I have multiple url sources of data and a RDS MYSQL instance to store them. I want ...
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7 views

Is there an option to create a sub-table in AWS DynamoDB?

I have an AWS Account and a table named like in the DynamoDB service. I have wanted to know if there is any option to create a sub-table to a table in DynamoDB?
1
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1answer
66 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. ...
3
votes
2answers
268 views

Deciding EC2 Instance type & Volume IOPS for Mongo DB

We have 500GB data in our Mongo(v2.6.3) including the indexes. We currently run this on AWS m3.large(8GB RAM) instance. Yes, Single machine. Our MongoDB Cloud Manager shows these stats: ...
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2answers
105 views

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 `...
1
vote
1answer
71 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
23 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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0answers
87 views

Understanding MongoDB Log warning

In my MongoDB log, I am seeing these lines of messages: 2016-04-05T00:03:42.904+0000 I COMMAND [ftdc] serverStatus was very slow: { after basic: 200, after asserts: 240, after backgroundFlushing: ...
1
vote
1answer
191 views

Postgres sharding installation with citusdb

We are developing a prototype for a BIG data product. We have almost 2 billion records. We have used PostgresSQL 9.5 as a back-end and Python as front-end. We are using a 16*2.4 GHz processors with ...
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3answers
139 views

Increase SQL Server Performance

I have a fairly simple SQL Server 2014 Standard database with one main table. Here's the workload: I insert a row, do a few updates to it (up to 5 updates), and move on. I always update recent rows. ...
3
votes
1answer
724 views

Domain Admin on AWS lacking user rights to edit the top 200 using the Management Studio interface

I setup an application + SQL Server on AWS. Everything works fine my SQL User can read/write to any table. Now I connected to the SQL Server using my domain admin account using windows authentication ...
1
vote
1answer
285 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 ...
5
votes
1answer
120 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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2answers
361 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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0answers
46 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 ...
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0answers
24 views

Database Authentication Security

I have issue with database authentication. We have a database on AWS database and application uses this database and we have different users who uses the application. There are several components on ...
1
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1answer
43 views

Where to store data on AWS?

I'm using AWS to host my application, and I'm using mongodb as db. I have installed mongodb on amazon ec2, but now I have no idea about where I should store all of my data. Can I store all of my data ...
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0answers
39 views

AWS RDS: Running db dumps in to the server really slow

I am migrating data from out servers to AWS (from MySQL to Aurora) and inesrting the data is terribly slow. Is there a way to speed things up? Right now I'm creating gzipped dump files on our server (...
3
votes
1answer
207 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 ...
3
votes
1answer
743 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
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1answer
2k views

Problem when connecting to SQL Server

I'm trying to connect to my SQL Server Express and I get this error. This happens both locally and on client. Connection Timeout Expired. The timeout period elapsed during the post-login phase. ...
0
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0answers
81 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
380 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
45 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 ...