What is Greenplum Database? Intro to the Big Data Database


Greenplum Database is a massively parallel processing (MPP) SQL database that is built and based on PostgreSQL. Greenplum Database is an open-source , hardware-agnostic MPP database for analytics, based on PostgreSQL and developed by Pivotal who was later acquired by VMware.

Reducing Your Database Hosting Costs: DigitalOcean vs. AWS vs. Azure


If you’re hosting your databases in the cloud, choosing the right cloud service provider is a significant decision to make for your long-term hosting costs. Over the last few weeks, we have been inundated with requests from SMB customers looking to improve the ROI on their database hosting.

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Millions of tiny databases

The Morning Paper

Millions of tiny databases , Brooker et al., It takes you through the thinking processes and engineering practices behind the design of a key part of the control plane for AWS Elastic Block Storage (EBS): the Physalia database that stores configuration information.

How to Setup a WordPress MySQL Database in the Cloud


MySQL is a free open source relational database management system that is leveraged across a majority of WordPress sites, and allows you to query your data such as posts, pages, images, user profiles, and more. As any WordPress developer knows, each installation requires a database in the backend, and MySQL is the database of choice for storing and retrieving your WordPress data. Unlimited Databases. How to Setup Your MySQL Database & Admin User for WordPress.

Updated Azure SQL Database Tier Options

SQL Performance

Azure SQL Database is Microsoft's database-as-a-service offering that provides a tremendous amount of flexibility. Microsoft is continually working on improving their products and Azure SQL Database is no different. HyperScale Database. Serverless Database.

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Bandwidth-friendly Query Profiling for Azure SQL Database

SQL Performance

SQL Server has always provided the ability to capture actual queries in an easily-consumable rowset format – first with legacy SQL Server Profiler, later via Extended Events, and now with a combination of those two concepts in Azure SQL Database. database_id , sqlserver.

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MySQL High Availability Framework Explained – Part III: Failover Scenarios

High Scalability

Scenario 3 – Network Partition – Network Connectivity Breaks Down Between Master and Slave Nodes.

The Best Way to Host MySQL on Azure Cloud


Are you looking to get started with the world’s most popular open-source database, and wondering how you should setup your MySQL hosting ? While Microsoft Azure does offer a managed solution, Azure Database, the solution has some major limitations you should know about before migrating your MySQL deployments. The first thing to consider when weighing between self-management and a MySQL Database-as-a-Service (DBaaS) solution is what internal resources you have available.

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Using SQL Server’s SNITrace to Troubleshoot Networking Issues

SQL Server According to Bob

Using SQL Server’s SNITrace to Troubleshoot Networking Issues In the process of tracking down a few TCP 10054 issues (highlighted here: ​​ [link] ) I ​​ also ​​ used ​​ the ​​ SNITrace ​​ (SNI Trace) ​​ capabilities. Before diving into SNITrace ​​ let’s breakdown the ​​ network trace of a successful and failed login. Networking SNITrace TDS XEv

Bring Your Own Cloud (BYOC) vs. Dedicated Hosting at ScaleGrid


Where you decide to host your cloud databases is a huge decision. But, if you’re considering leveraging a managed databases provider, you have another decision to make – are you able to host in your own cloud account or are you required to host through your managed service provider?

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ScaleGrid Fully Managed Hosting for Redis™ Now Available on Azure


October 2, 2019 – ScaleGrid, a rapidly growing leader in the Database-as-a-Service (DBaaS) space, has just launched their new fully managed Hosting on Azure for Redis™ service. This management solution for Redis™ allows startups up to enterprise-level organizations automate their Redis™ operations on Microsoft Azure dedicated cloud servers, alongside their other open source database deployments, including MongoDB , MySQL and PostgreSQL. PALO ALTO, Calif.,

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Fallacy #4: The network is secure

Particular Software

In one such organization I've heard of, there existed two separate networks. To get data from a different network, you needed to browse in a separate room, as workstations did not have access to the Internet.

Top Redis Use Cases by Core Data Structure Types


Depending on how it is configured, Redis can act like a database, a cache or a message broker. It’s important to note that Redis is a NoSQL database system. This implies that unlike SQL (Structured Query Language) driven database systems like MySQL, PostgreSQL, and Oracle, Redis does not store data in well-defined database schemas which constitute tables, rows, and columns. 8 ranked database on DB-Engines with a score of 144.08.

Managing High Availability in PostgreSQL – Part III: Patroni


On the first node, Patroni initializes the database, obtains the leader lock from DCS, and ensures the node is being run as the master. All of these tests were performed while the application was running and inserting data to the PostgreSQL database. Network Isolation Tests. Network-isolate the master server from other servers. Network-isolate the standby server from other servers. Network Isolation Tests.

Increasing access to blockchain and ledger databases

All Things Distributed

This is a technology used to build applications where multiple parties can interact through a peer-to-peer-network and record immutable transactions with no central trusted authority. Last year, I spent some time in Jakarta visiting HARA , an AWS customer.

Exploring MySQL Binlog Server – Ripple


If the data churn on the master is high, the serving of binary logs alone could saturate the network interface of the master. Ensure to specify the network accessible hostname or IP address of your Ripple server as the -rippple_server_address.

View-centric performance optimization for database-backed web applications

The Morning Paper

View-centric performance optimization for database-backed web applications Yang et al., you are doing the count in the database, right?). ICSE 2019.

How to Monitor MySQL Deployments with Prometheus & Grafana at ScaleGrid


Monitoring your MySQL database performance in real-time helps you immediately identify problems and other factors that could be causing issues now or in the future. It’s also a good way to determine which components of the database can be enhanced or optimized to increase your efficiency and performance. This is usually done through monitoring software and tools either built-in to the database management software or installed from third-party providers.

MySQL High Availability Framework Explained – Part II: Semisynchronous Replication


Since we are operating with 2 slaves and the rpl_semi_sync_master_wait_for_slave_count is set to 1, we’ve noticed that at least one of the slaves does acknowledge within a reasonable amount of time and the master does not switch over to asynchronous mode during temporary network disruptions. The theorem states that, in the presence of a network partition, we will have to choose either availability or consistency, but not both.

A one size fits all database doesn't fit anyone

All Things Distributed

A common question that I get is why do we offer so many database products? To do this, they need to be able to use multiple databases and data models within the same application. Seldom can one database fit the needs of multiple distinct use cases. The days of the one-size-fits-all monolithic database are behind us, and developers are now building highly distributed applications using a multitude of purpose-built databases. Purpose-built databases.

Weekend Reading: Amazon Aurora: Design Considerations for High Throughput Cloud-Native Relational Databases.

All Things Distributed

In many, high-throughput, OLTP style applications the database plays a crucial role to achieve scale, reliability, high-performance and cost efficiency. For a long time, these requirements were almost exclusively served by commercial, proprietary databases.

PyMongo Tutorial: Testing MongoDB Failover in Your Python App


It comes as no surprise that Python developers commonly leverage MongoDB hosting , the most popular NoSQL database , for their deployments due to its flexible nature and lack of schema requirements. It is a fairly mature driver that supports most of the common operations with the database, and you can check out this tutorial for an introduction to the PyMongo driver. It is also recommended that SSL connections be enabled to encrypt the client-database traffic.

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Back-to-Basics Weekend Reading - U-Net: A User-Level Network Interface

All Things Distributed

In the back to basics readings this week I am re-reading a paper from 1995 about the work that I did together with Thorsten on solving the problem of end-to-end low-latency communication on high-speed networks.

Redis Cloud Gets Easier with Fully Managed Hosting on Azure


October 2, 2019 – ScaleGrid, a rapidly growing leader in the Database-as-a-Service (DBaaS) space, has just launched their new fully managed Redis on Azure service. This Redis management solution allows startups up to enterprise-level organizations automate their Redis operations on Microsoft Azure dedicated cloud servers, alongside their other open source database deployments, including MongoDB , MySQL and PostgreSQL. PALO ALTO, Calif.,

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Managing High Availability in PostgreSQL – Part II


Replication Manager makes use of PostgreSQL extensions feature and creates its own schema on the cluster database to store the cluster-related information. In case of any network split, repmgr will ensure the promotion of the node which is in the same location as the primary. It also handles network isolation in the event of an even number of servers in a cluster. repmgr will require a dedicated database and a user with superuser privileges. Network Isolation Tests.

How to Improve MySQL AWS Performance 2X Over Amazon RDS at The Same Cost


AWS is the #1 cloud provider for open-source database hosting, and the go-to cloud for MySQL deployments. While many AWS users default to their managed database solution, Amazon RDS, there are alternatives available that can improve your MySQL performance on AWS through advanced customization options and unlimited EC2 instance type support. No more network-based EBS, just blazing-fast local SSD.

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Titan Graph Database Integration with DynamoDB: World-class Performance, Availability, and Scale for New Workloads

All Things Distributed

It opens up the possibility to enjoy the value that graph databases bring to relationship-centric use cases, without worrying about managing the underlying storage. Traditionally, these connections have been stored in relational databases, with each object type requiring its own table.

MySQL High Availability Framework Explained – Part III: Failure Scenarios


Scenario 3 – Network Partition – Network Connectivity Breaks Down Between Master and Slave Nodes. This is a classical problem in any distributed system where each node thinks the other nodes are down, while in reality, only the network communication between the nodes is broken. We assume that due to network issues, the cluster has partitioned into two groups – master in one group and 2 slaves in the other group, and we will denote this as [(M), (S1,S2)].

Intro to Redis Cluster Sharding – Advantages, Limitations, Deploying & Client Connections


Only Supports One Database. Unlike standalone databases, Redis Clusters support only one database (database 0), and the SELECT command isn’t allowed. Since most people don’t use multiple databases, this too is not a major limitation.

Connecting MongoDB to Ruby with Self-Signed Certificates for SSL


Our yml file: development: # Configure available database clients. Alternatively, you can define the following: # # Define the name of the default database that Mongoid can connect to. # (required). database: test # Provide the hosts the default client can connect to. The user's database roles. is :plain) auth_mech: :scram # The database or source to authenticate the user against.

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How to Optimize Digital Experience and Operations with Dynatrace


Infrastructure Optimization: 100% improvement in Database Connectivity. Think of a user login which requires your back-end systems to validate user credentials and query required user profile information from the backend databases. Dynatrace news.

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5 Steps to Accelerate your Cloud Migration with Dynatrace


Database & functional migration. While most of our cloud & platform partners have their own dependency analysis tooling, most of them focus on basic dependency detection based on network connection analysis between hosts. Step 4: Smart Database Migration. Dynatrace news.

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Taiji: managing global user traffic for large-scale Internet services at the edge

The Morning Paper

It’s another networking paper to close out the week (and our coverage of SOSP’19), but whereas Snap looked at traffic routing within the datacenter, Taiji is concerned with routing traffic from the edge to a datacenter. Uncategorized Facebook Networking

MySQL Tutorial – Understanding The Seconds Behind Master Value


Lastly, it’s important to note that in our discussions so far, we have not assumed any network bottlenecks. In case of slow networks, the slave IO Thread itself will be lagging behind the master, and if the SQL Thread is fast enough, the SBM will be oscillating between ‘0’ and a positive number.

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Redis Cloud Gets Easier with Fully Managed Hosting on Azure

High Scalability

ScaleGrid, a rapidly growing leader in the Database-as-a-Service (DBaaS) space, has just launched their new fully managed Redis on Azure service.

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Checksums in Storage Systems and Why the Enterprise Should Care


It’s really scary knowing that such corruptions are happening in the memory of our computers and servers – that is before they even reach the network and storage portions of the stack. That data must then be safely transported over a network to the storage system where it is written to disk. performance storage database checksum data corruption data safetyRandom bit flips are far more common than most people, even IT professionals, think.

What’s the Best PostgreSQL High Availability Framework? PAF vs. repmgr vs. Patroni Infographic


In these blogs, we dove deep into how the frameworks work, their setup requirements, pros and cons, and how they performed in standby server tests, primary server tests and network isolation tests (split brain scenario) to help you determine the best framework to improve the uptime for your PostgreSQL-powered applications. Wondering which high availability framework to use for your PostgreSQL deployments ?

Should You Use ClickHouse as a Main Operational Database?


What if we use ClickHouse (which is a columnar analytical database) as our main datastore? Well, typically, an analytical database is not a replacement for a transactional or key/value datastore. Public API as -a-service has become a good business model: examples include social networks like Facebook/Twitter, messaging as a service like Twilio, and even credit card authorization platforms like Marqeta. Analytical databases are optimized for a low number of slow queries.

Which is the Best MongoDB GUI? — 2019 Update


In this article, we are going to compare 6 of the top MongoDB Graphical User Interfaces that help developers increase their productivity and manage their database. SQL Import/Export that supports major databases: Oracle, SQL Server, MySQL, and PostgreSQL.

Customer Conversations - How Intuit and Edmodo Innovate using.

All Things Distributed

From tax preparation to safe social networks, Amazon RDS brings new and innovative applications to the cloud. One of the services that is very successful in driving innovation at our customers in this context is Amazon RDS , the Relational Database Service. Amazon RDS removes the headaches of running a relational database service reliably at scale, allowing Amazon RDS customers to focus on innovation for their customers. All Things Distributed.

Bandwidth or Latency: When to Optimise for Which

CSS Wizardry

When it comes to network performance, there are two main limiting factors that will slow you down: bandwidth and latency. how long it takes for a bit of data to travel across the network from one node or endpoint to another. a CDN) or mitigating network overhead (e.g.

Time to First Byte: What It Is and Why It Matters

CSS Wizardry

The reason is because mobile networks are, as a rule, high latency connections. Database queries: Pages that require data from a database will incur a cost when searching over it.

Latency: Will it undermine the most interesting 5G use cases?


While current network speeds may be enough to meet the latency requirements of 4G applications, 5G will necessitate a change, if only because the continental US is ~60ms wide, meaning that a datacenter on one coast communicating with another datacenter on the opposite coast will be too slow for 5G. If I am wearing a VR headset and turn my head, the network has to send the information for what to display before I would see it. This requires 1 ms network latency.