Questions tagged [amazon-ec2]

Amazon Elastic Compute Cloud (EC2)

Filter by
Sorted by
Tagged with
1
vote
0answers
27 views

Calculating IOPS in a SQL Server EC2 - RDS migration

I'm evaluating costs for a possible migration of a SQL Server that is currently running on Amazon EC2 to Amazon RDS. On the EC2 instance I have six volumes, described as follows: type size IOPS gp2 ...
0
votes
0answers
26 views

how to export aws rds postgress database data to local device (computer)?

I have one rds instance with postgres. And i want to export that database locally and then use that database in local. i try this code: pg_dump -Fc -v -h db_endpoint -U username dbname > ...
2
votes
1answer
49 views

Backup TO URL S3

Can I do a SQL backup to AWS S3 URL from an EC2 machine I know that Azure side is possible but I do not know if it is possible AWS side thank you for your advice
2
votes
1answer
46 views

QuasarDB cluster stuck in IOWAIT on AWS EC2 instances

I am experiencing a system freeze in IOWAIT on my QuasarDB cluster. I am continuously ingesting data at 10 GBit/s using the QuasarDB batch API. After a couple of hours, I have all the qdb threads in ...
0
votes
1answer
209 views

How to ensure backups are successfully persisted to S3 when using Ola Hallengren solution on AWS EC2 Instances

Improving Existing Backup Approach By Using Ola Hallengren Backup Solution Deploying a new backup approach to eliminate dependency on a vendor tool (Cloudberry) that I've leveraged before. In my ...
2
votes
0answers
1k views

DBeaver connection via SSH tunnel

Using DBeaver, I'm trying to connect to my AWS ec2 instance where I've installed a MariaDB database. I've created a new connection as: Connection: AWS / Maria DB Server Host: localhost (because I'm ...
1
vote
0answers
124 views

What would cause slow disk access on an AWS EBS SQL Server? (PAGEIOLATCH_SH)

I have an EC2 instance (r5a.4xlarge) which should be able to do 2Gbps+ in EBS access. This machine has a 7TB mounted gp2 volume, with 16,000 IOPS, which is mounted and contains a SQL Server database ...
0
votes
2answers
21k views

How to solve Vendor Code 17002 when connecting to a remote Oracle database?

I have an Oracle database 12c standard edition release 12.2.0.1.0 running on a Linux instance of AWS ec2. When I try to connect to it remotely from my machine (macOS) using SQL Developer I get an IO ...
0
votes
1answer
686 views

How to upgrade Mysql 5.5 to 5.6 without data loss on aws-ec2?

MySQL server (5.5) is running on aws-ec2 instance with following linux details NAME="Amazon Linux AMI" VERSION="2015.09" ID="amzn" ID_LIKE="rhel fedora" ...
0
votes
1answer
455 views

How to update mysql 5.7 to 8.0 Amazon linux 1, ec2

I'm using MySQL 8.0.14 for my project and I want to use it for my AWS ec2 server. I updated from 5.5 to 5.7 by following this link: Upgrade MySQL to 5.6 on ec2 But don't have any information to update ...
0
votes
0answers
16 views

Migrating data to new mysql rds instance

I have 1TB size mysql database for production . Now i want to migrate this database on new mysql RDS instance . Please suggest me which backup policy should i apply here like Mysqldump,XtraBackup . ?
1
vote
1answer
47 views

MySQL cpu at 400% on c5.xlarge box

Box is running only mysql and CPU is at 400% constantly. I can't seem to find anything that would be causing it. I've changed a few values in my.cnf based on some research, but had no luck reducing ...
0
votes
0answers
250 views

Unable to connect to postgresql EC2 instance from VPN

I have an EC2 instance of timescaledb running on AWS. For security purposes, my team members and I are using OpenVPN so that we have access to it and the same IP address has been defined in the ...
2
votes
0answers
273 views

SQL Server for Linux 2019 - Windows Authentication not working

Hoping to pick the brains of those more knowledgeable than me. I've been trying to set up a SQL Server 2019 instance on Linux; specifically on AWS using AMI amzn2-x86_64-SQL_2019_Standard-2019.11.12 ...
0
votes
1answer
19 views

how to setup mongodb replica on cloud server?

I want to setup mongodb repicaset on my cloud server(AWS ec2) but I have only one IP address. Currently I have make /etc/hosts two entries 127.0.0.1 dbnode1 and xx.xx.xx.xx dbnode2 but when I try to ...
-1
votes
1answer
49 views

Connecting to RDS MySQL from command line sometimes fails -- why?

I have used RDS for many years, and MySQL for even longer, so I am very familiar with both -- yet, I am running into an odd thing that I cannot figure out. Wondering if someone can help. I have 2 ...
1
vote
2answers
96 views

Wordpress UPDATE queries on MySQL database stuck

I have an Amazon 24XL server 96 Cores 378 GB RAM Database size 5.7G Debian GNU/Linux 9 (stretch) PHP 7.3.16 mysql Ver 15.1 Distrib 10.3.22-MariaDB I have only one WordPress site where users read ...
0
votes
0answers
78 views

Mongodb is taking almost 100% of CPU

Good Morning, I have installed MongoDB on an EC2 machine with 2CPU. At the first time when I SSH Login I See this error message, System information disabled due to load higher than 2.0 However, ...
2
votes
1answer
557 views

Why does my MySQL page cleaner thread step up its minimum CPU usage over time and never decrease back to zero?

I’m running a MySQL 5.7.29 instance on Ubuntu 16.04 on a dedicated Amazon EC2 t3a.XLARGE instance (4 vCPUS, 16 GiB Memory connected to an iOPS optimized EBS volume with 1000 provisioned iOPS) and have ...
2
votes
2answers
56 views

Will our application server have issues connecting to a Postgres 11.4 server with a 9.6 client?

Our application server is on EC2 running on Amazon Linux 1. Postgres dropped support for Amazon Linux and so we depend on Amazon providing the postgres client. The client is 9.6 and our Amazon ...
2
votes
1answer
185 views

SQL Server Installation - TempDB not created in the directory specified in ConfigurationFile.ini

I'm attempting to install SQL Server 2016 SP2 on a newly created EC2 instance. I'm using a configuration file I previously generated. In the configuration file I've specified where I'd like the TempDB ...
1
vote
0answers
105 views

Cassandra slow read performance after migrating to new AWS instance class

Cluster of 3 cassandra nodes as a dev environment. Used to run in AWS on i3.2xlarge; migrated as a test to i3en.2xlarge to evaluate for later migrating production cluster to. When running cassandra-...
1
vote
1answer
2k views

connecting to mongodb on ec2 instance using the private IP address

Im trying to connect to my MongoDB that is on my EC2 instance. I am able to connect to using the public dns with this statement: mongoClient = new MongoClient("ec2-3-92-197-163.compute-1....
1
vote
0answers
385 views

Mongodb won't start after adding 2nd net option to mongod.conf file

I try to add another net with the its corresponding bind ip and port to my AMI ec2 mongod.conf file so I will be able to create a 2 node replica set but when I run the command "sudo service mongos ...
2
votes
0answers
131 views

AWS RDS PostgreSQL: Significant query runtime difference between two (identical?) instances

TL;DR: Solution The problem was that one instance hat magnetic storage attached and was therefore significantly slower. Original Question I have two identical AWS RDS PostgreSQL 10.6 databases ...
3
votes
2answers
1k views

MySQL hitting IOPS wall in AWS, not able to utilize full volume IOPS level

We are scaling up an existing MySQL 5.6.41 (with Galera) based system running in AWS on EC2, and are hitting a wall in performance, which we believe is narrowed down to storage IOPS. Please note for ...
0
votes
1answer
627 views

How to remotely manage (with PhpMyAdmin) a MySQL RDS on a load-balanced AWS Elastic Beanstalk setup?

Although there are similar questions and topics, I can't find a solution that currently works. I specifically wrote remotely manage because I'd like to use my home computer's PhpMyAdmin to directly ...
0
votes
1answer
36 views

Do I need SQS queues to store remote data in the Amazon Web Services (AWS) cloud?

My first question is, do I need SQS queues to receive my remote data, or can it go directly into an Amazon cloud storage solution like S3 or EC2? Currently, my company uses a third-party vendor to ...
0
votes
2answers
4k views

MySQL on Windows or Linux [closed]

I am new to the Database region while have to migrate the company's database from AWS RDS to AWS EC2 and subscribe MySQL Enterprise edition. What I am confused now is which OS should I choose, ...
1
vote
0answers
293 views

SQL Server with peer-to-peer replication migration from on-prem to AWS EC2 instances

I need to move three on-prem servers with peer-to-peer replication to AWS. SQL Server version is 2012. The AWS SQL Server will be on EC2 instances as the SQL Server RDS doesn't support replication yet....
3
votes
2answers
194 views

MySQL 5.7.21 not releasing memory after writing partition to disk

I've been testing extracting with SELECT * from a partition in a partitioned table in MySQL 5.7.21 and 5.7.22 I'm out of ideas and hitting my head on a wall. The goal is to write the data to S3 for ...
1
vote
0answers
184 views

How to connect to a SQL Server from another computer using SSMS with only hostname?

I set up a VM server computer on AWS EC2 and got a SQL Express Server running on it on port 1433. I made sure to allow TCP/IP requests and allowed TCP port 1433 through the firewall along with UDP ...
0
votes
0answers
72 views

troubleshoot cpu usage mysql

We are running a few Mysql server on EC2 instances and RDS instances on AWS. From time to time they suddenly spike in CPU, and/or memory usage but when we login into the instances, it's too late and ...
1
vote
0answers
141 views

Improve qps for postgres write

I am trying to improve the performance of my postgres instance in aws. I am using aws rds db.t2.large Here is my table structure CREATE TABLE public.my_test ( test_index1 text COLLATE ...
1
vote
1answer
3k views

Binding specific ips with Mongodb

I am using Mongodb 3.6.3 on Centos 7. I am running the below command: sudo mongod --storageEngine wiredTiger --dbpath /data --bind_ip_all --logpath /var/log/mongodb/mongod.log --fork and everything ...
0
votes
1answer
623 views

Mongodb 3.6.3 disappears after 2 weeks on centos 7 ec2 instance

My Mongodb has disappeared 2 times, after 2 weeks, over the weekend within a 4 week time period. I had a snapshot to recover from but I can't keep on recovering my db every 2 weeks. In an ec2 ...
1
vote
0answers
1k views

How to execute Stored Procedure of MS SQL server through Amazon Lambda?

I have one stored procedure which is too long and occurs more than a thousand times with different variables. Normal execution on Server takes around 3-4 hours to complete. That is why I want to ...
0
votes
0answers
195 views

Oracle 11g - stuck while creating tables

I have EC2 instance with 60GB Ram, 8 CPU and over 50GB space. Tried to create 75K empty tables with sqlplus -s / as sysdba @script.sql and it works fine up to 48K tables (they are created fine with ...
1
vote
1answer
35 views

Database Schema design of server running status log

I am working with 4 AWS EC2 instances (servers). Each Instance has Instance ID and Instance Name. Instance ID is unique. Each of them having multiple application servers, like on of them is running ...
0
votes
1answer
523 views

How to take advantage of AWS EC2 instance store (SSD) in a database environment?

I am trying to set up a database environment with Ubuntu and PostgreSQL (I didn't want to use RDS because I'm a Ubuntu person). I looked at description for the R3 instance type: Use Cases ...
0
votes
1answer
635 views

adding node to existing availability group

Currently have a 2 node availability group, trying to add a 3rd. Added Node3 to the Windows Cluster. Node3 appears as UP in "Nodes" on the Failover Cluster Manager console. However I have the ...
0
votes
0answers
247 views

Backing up large databases in AWS EC2

Does it make sense to back up SQL Server databases locally in the cloud, particularly AWS? "SQL Server Timeouts During Backups and CHECKDB" is an article on brentozar.com which points out the fact ...
0
votes
2answers
113 views

MongoDB Production Amazon - 3 data nodes per replica set, or 2 data nodes plus a shared arbiter

I have an Amazon EC2 deployment of mongodb (3.4). Things are going well, but the DB size is growing quickly. I am about to shard a large collection in order to begin horizontal scaling (total space ...
0
votes
1answer
76 views

Mongo DB Memory Utilisation freezes app needs restart

I am running a project using Mongo DB and Django, I have 2 separate instance for my Django project and database each 16GB ram t2xlarge ubuntu ec2 instances. I am facing issue that within a day or two ...
2
votes
0answers
435 views

SSRS 2016 Generates SQL Server log entry daily

First, a bit about our environment. We run two instances of SQL Server 2016 Enterprise (13.0.4435.0) on Windows 2016 Servers. To save money, we run SSRS 2016 alongside SQL Server on both servers We ...
4
votes
1answer
2k views

SQL Server AG Listener issues in an AWS VPC

I'm experimenting with creating a 2-node SQL Server Availability Group following Guy Glantser's excellent guide at MadeiraData where he describes a configuration with no AD domain or internal DNS. ...
2
votes
0answers
198 views

AWS - SQL Server Agent "white dot" problem

I'm trying to setup a SQL Server 2016 installation in AWS EC2 and can't seem to get the security group settings right. Please note the "white dot" in the screen cap below - I am unable to administer ...
5
votes
2answers
718 views

Amazon RDS MySQL limitations

I intend to use Amazon RDS MySQL with one db.t2.micro instance. Are there any limitations of max_connections and max_questions ? I searched on the Internet and I found that there is a default value ...
13
votes
7answers
28k views

"ORA-24454: client host name is not set" when connecting from Ubuntu instance on AWS EC2

Some background: I am attempting to connect to an Oracle database. I have a username, password, IP address, port, and service name. I only have access to this database from an Ubuntu EC2 instance on ...
0
votes
1answer
3k views

What could be causing this rogue CPU spike on MS SQL Server running on EC2?

We've just had a rogue CPU spike on one of our main SQL boxes, and we're struggling to work out what caused it. We use Red Gate SQL Monitor to track various performance metrics, and we saw a couple of ...