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PostgreSQL synchronous_commit options and Synchronous Standby Replication
I find myself discussing and explaining sychronous_commit with many PostgreSQL users, especially with novice users. So, I thought of noting down all the key points as a blog post which will be useful...
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Creating an External Replica of AWS Aurora MySQL with Mydumper
Oftentimes, we need to replicate between Amazon Aurora and an external MySQL server. The idea is to start by taking a point-in-time copy of the dataset. Next, we can configure MySQL replication to roll...
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Percona Announces Updates to MongoDB Solutions
On August 26, 2020, Percona announced the latest release of Percona Distribution for MongoDB which includes new releases of Percona Backup for MongoDB 1.3, now with Point in Time Recovery and Percona...
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MySQL 8.0.19 InnoDB ReplicaSet Configuration and Manual Switchover
InnoDB ReplicaSet was introduced from MySQL 8.0.19. It works based on the MySQL asynchronous replication. Generally, InnoDB ReplicaSet does not provide high availability on its own like InnoDB Cluster,...
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More on Checkpoints in InnoDB MySQL 8
Recently I posted about checkpointing in MySQL, where MySQL showed interesting “wave” behavior. Soon after Dimitri posted a solution with how to fix “waves,” and I would like to dig a little more into...
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ProxySQL Overhead — Explained and Measured
ProxySQL brings a lot of value to your MySQL infrastructures such as Caching or Connection Multiplexing but it does not come free — your database needs to go through additional processing traffic which...
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ProxySQL Binary Search Solution for Rules
We sometimes receive challenging requests… this is a story about one of those times. The customer has implemented a sharding solution and would like us to review alternatives or improvements. We...
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Percona Monthly Bug Report: August 2020
At Percona, we operate on the premise that full-transparency makes a product better. We strive to build the best open-source database products, but also to help you manage any issues that arise in any...
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RocksDB Variables in Percona Server for MySQL, Updates to Percona Server for...
It’s release roundup time here at Percona! Our Release Roundups showcase the latest software updates, tools, and features to help you manage and deploy our software, with highlights and critical...
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Webinar September 17: PostgreSQL High-Performance Tuning and Optimization
Please watch Percona’s Senior Software Engineer Ibrar Ahmed as he presents the “PostgreSQL High-Performance Tuning and Optimization” webinar. PostgreSQL is one of the leading open-source databases. Out...
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Webinar September 22: The Path to Open Source DBaaS with Kubernetes
Join Peter Zaitsev, Percona CEO, as he discusses DBaaS and Kubernetes. DBaaS is the fastest growing way to deploy databases. It is fast and convenient and it helps to reduce toil a lot, yet it is...
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Checking Data Consistency for RDS for MySQL
MySQL for RDS and DBaaS, in general, are very controlled environments by the vendors, meaning that there are missing things like a SUPER grant for the root user (and any user in general). This has some...
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Why PostgreSQL WAL Archival is Slow
It is very common to see many customer cases where a sudden increase in disk space usage is caused by a lot of WAL segments filling up the WAL directory (pg_wal). Panicking customers generally ask “Why...
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Index Improvements in PostgreSQL 13
Indexes are one of the core features of all the database management systems (DBMS). Indexes have a very long history in PostgreSQL, which has quite a rich set of index features. PostgreSQL has B-Tree,...
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How Much Memory Does the Process Really Take on Linux?
One of the questions you often will be faced with operating a Linux-based system is managing memory budget. If a program uses more memory than available you may get swapping to happen, oftentimes with...
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Data Consistency for RDS for MySQL: The 8.0 Version
In a previous blog post on Data Consistency for RDS for MySQL, we presented a workaround to manage run pt-table-checksum on RDS instances. However, if your instance is running a MySQL 8.0.X version,...
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Improvements to Percona XtraBackup, Updates to Percona Distribution for...
It’s release roundup time here at Percona! Our Release Roundups showcase the latest software updates, tools, and features to help you manage and deploy our software, with highlights and critical...
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How to Upgrade to MySQL 8.0 – Free Course at Percona University Online
MySQL 8.0 General Availability release was launched in April 2018, and since then there have been ten versions of MySQL 8 and Percona Server for MySQL released. The MySQL Community expressed a high...
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Q & A on Webinar “Percona Server for MongoDB Data-at-Rest Encryption”
We really enjoyed presenting Percona Server for MongoDB’s data-at-rest encryption functionality. The webinar Percona Server for MongoDB Data-at-Rest Encryption was recorded and can be viewed here at...
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Webinar September 29: Learn About Percona Kubernetes Operator for Percona...
In this webinar, we will explore the Percona Kubernetes Operator for the Percona Server for MongoDB (PSMDB) database. Kubernetes is a widely-deployed orchestration platform for container management....
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