<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>ProxySQL Blog — #mysql</title><description>Posts tagged #mysql on the ProxySQL blog.</description><link>https://proxysql.com/</link><language>en-us</language><item><title>Announcing ProxySQL 3.0.8, 3.1.8, and 4.0.8</title><link>https://proxysql.com/blog/announcing-proxysql-3-0-8/</link><guid isPermaLink="true">https://proxysql.com/blog/announcing-proxysql-3-0-8/</guid><description>ProxySQL 3.0.8 introduces MySQL session-variable tracking, PostgreSQL Cluster Sync, per-server backend SSL, and mid-transaction recovery. Also announcing 3.1.8 and 4.0.8.</description><pubDate>Mon, 27 Apr 2026 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>Security Hardening in ProxySQL 3.0.7</title><link>https://proxysql.com/blog/proxysql-3-0-7-security-hardening/</link><guid isPermaLink="true">https://proxysql.com/blog/proxysql-3-0-7-security-hardening/</guid><description>A deep dive into the protocol hardening, credential protection, and validation improvements in ProxySQL 3.0.7.</description><pubDate>Fri, 24 Apr 2026 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>zstd Compression Support in ProxySQL 3.0.7</title><link>https://proxysql.com/blog/proxysql-3-0-7-zstd-compression/</link><guid isPermaLink="true">https://proxysql.com/blog/proxysql-3-0-7-zstd-compression/</guid><description>ProxySQL 3.0.7 adds native zstd compression for the MySQL protocol, offering better compression ratios and lower CPU overhead compared to zlib.</description><pubDate>Thu, 16 Apr 2026 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>Announcing the future of Orchestrator: ProxySQL takes takes the helm</title><link>https://proxysql.com/blog/announcing-proxysql-takes-over-orchestrator/</link><guid isPermaLink="true">https://proxysql.com/blog/announcing-proxysql-takes-over-orchestrator/</guid><description>ProxySQL officially takes over the maintenance and development of Orchestrator, ensuring a bright future for the industry-standard database topology management tool.</description><pubDate>Thu, 09 Apr 2026 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>ProxySQL 3.1.6: Embedded TSDB for Built-in Time-Series Metrics</title><link>https://proxysql.com/blog/proxysql-316-tsdb/</link><guid isPermaLink="true">https://proxysql.com/blog/proxysql-316-tsdb/</guid><description>Built-in Time-Series Metrics, No Prometheus Required. Query Your Metrics History Directly from ProxySQL</description><pubDate>Fri, 03 Apr 2026 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>ProxySQL 3.1.6: Full Query Observability in Fast Forward Mode with FFTO</title><link>https://proxysql.com/blog/proxysql-316-ffto/</link><guid isPermaLink="true">https://proxysql.com/blog/proxysql-316-ffto/</guid><description>Fast Forward Mode Is No Longer a Blind Spot</description><pubDate>Mon, 23 Mar 2026 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>Making MySQL AI-Ready: How MyVector and ProxySQL Work Together</title><link>https://proxysql.com/blog/making-mysql-ai-ready-how-myvector-and-proxysql-work-together/</link><guid isPermaLink="true">https://proxysql.com/blog/making-mysql-ai-ready-how-myvector-and-proxysql-work-together/</guid><description>As AI workloads become standard in modern applications, engineering teams face a familiar dilemma: MySQL is already the system of record, but vector search typically requires bolting on a separate database. MyVector and ProxySQL solve this without fragmenting your data stack.</description><pubDate>Wed, 11 Feb 2026 00:00:00 GMT</pubDate><author>Ronald Bradford</author></item><item><title>Bringing GenAI to Every MySQL Instance: ProxySQL v4.0</title><link>https://proxysql.com/blog/bringing-genai-to-every-mysql-instance-proxysql-v4-0/</link><guid isPermaLink="true">https://proxysql.com/blog/bringing-genai-to-every-mysql-instance-proxysql-v4-0/</guid><description>ProxySQL v4.0 adds a transparent AI layer at the proxy — RAG pipelines, NL2SQL, and an MCP server for AI agents — without touching your database or application code.</description><pubDate>Sun, 08 Feb 2026 00:00:00 GMT</pubDate><author>Ronald Bradford</author></item><item><title>Welcome Ronald Bradford to ProxySQL as Chief Technology Officer</title><link>https://proxysql.com/blog/welcome-ronald-bradford-cto/</link><guid isPermaLink="true">https://proxysql.com/blog/welcome-ronald-bradford-cto/</guid><description>We are thrilled to welcome Ronald Bradford to ProxySQL&apos;s executive team as our Chief Technology Officer, bringing extensive expertise in modern cloud-native architectures, MySQL and PostgreSQL database technologies, and vector search.</description><pubDate>Fri, 30 Jan 2026 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>ProxySQL 3.0.5: Security hardening, protocol fixes, and smoother operations</title><link>https://proxysql.com/blog/proxysql-3-0-5/</link><guid isPermaLink="true">https://proxysql.com/blog/proxysql-3-0-5/</guid><description>We’re excited to announce ProxySQL 3.0.5, our first release of 2026.       As always, thank you to everyone who tested, reported issues, sent patches, and shar</description><pubDate>Tue, 20 Jan 2026 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>MySQL High Availability: Techniques to Ensure Uptime in Critical Systems</title><link>https://proxysql.com/blog/mysql-high-availability/</link><guid isPermaLink="true">https://proxysql.com/blog/mysql-high-availability/</guid><description>A single hour of downtime costs companies an average of $300,000, with critical systems like databases bearing the brunt of this risk. MySQL, widely used for ma</description><pubDate>Wed, 04 Dec 2024 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>Database Security: Best Practices to Protect Your MySQL Infrastructure</title><link>https://proxysql.com/blog/database-security/</link><guid isPermaLink="true">https://proxysql.com/blog/database-security/</guid><description>As of 2024, MySQL ranks as the second most popular database management system globally.  MySQL has become a go-to choice for database management due to its de</description><pubDate>Wed, 20 Nov 2024 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>Top 10 Ways to Optimize MySQL Performance with ProxySQL</title><link>https://proxysql.com/blog/optimize-mysql/</link><guid isPermaLink="true">https://proxysql.com/blog/optimize-mysql/</guid><description>MySQL is a widely used database management tool; however, as your application grows, maintaining optimal performance may become more challenging.   Thankfully</description><pubDate>Wed, 18 Sep 2024 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>Enhancing Database Security with ProxySQL 2.6.0: caching_sha2_password</title><link>https://proxysql.com/blog/enhancing-database-security-with-proxysql-2-6-0-caching_sha2_password/</link><guid isPermaLink="true">https://proxysql.com/blog/enhancing-database-security-with-proxysql-2-6-0-caching_sha2_password/</guid><description>Enhancing Database Security with ProxySQL 2.6.0: Introducing caching_sha2_password Authentication In the digital age, where data breaches are increasingly comm</description><pubDate>Tue, 26 Mar 2024 00:00:00 GMT</pubDate><author>Rene Cannao</author></item><item><title>Unadventurous Amazon RDS Upgrades with ProxySQL</title><link>https://proxysql.com/blog/unadventurous-amazon-rds-upgrades-with-proxysql/</link><guid isPermaLink="true">https://proxysql.com/blog/unadventurous-amazon-rds-upgrades-with-proxysql/</guid><description>If you&apos;re still running RDS 5.5 you have reached the end of the line, its time to upgrade... heck, if you&apos;re running RDS 5.6 an upgrade is just as mandatory!  </description><pubDate>Thu, 04 Feb 2021 00:00:00 GMT</pubDate><author>Nick Vyzas</author></item><item><title>How MySQL Bug #102266 affects ProxySQL</title><link>https://proxysql.com/blog/how-mysql-bug-102266-affects-proxysql/</link><guid isPermaLink="true">https://proxysql.com/blog/how-mysql-bug-102266-affects-proxysql/</guid><description>Overview If you are using ProxySQL 2.0.16 in front of MySQL 5.7/5.6 servers or even in front of MySQL 8.0.0, please check your ProxySQL error logs for the message below to ensure that you are not experiencing the MySQL bug #102266: 2021-06-23 02:38:18 MySQL_Session.cpp:2798:handler_again___status_CHANGING_USER_SERVER():  Error during change user: 1045, Access denied for user &apos;mary&apos;@&apos;172.21 If</description><pubDate>Mon, 01 Feb 2021 00:00:00 GMT</pubDate><author>Thiago Leite</author></item><item><title>GTID consistent reads</title><link>https://proxysql.com/blog/proxysql-gtid-causal-reads/</link><guid isPermaLink="true">https://proxysql.com/blog/proxysql-gtid-causal-reads/</guid><description>Adaptive query routing based on GTID tracking ProxySQL is a layer 7 database proxy that understands the MySQL Protocol. It provides high availability and high </description><pubDate>Wed, 21 Mar 2018 00:00:00 GMT</pubDate><author>Nick Vyzas</author></item><item><title>MySQL read/write split with ProxySQL</title><link>https://proxysql.com/blog/configure-read-write-split/</link><guid isPermaLink="true">https://proxysql.com/blog/configure-read-write-split/</guid><description>Query routing is one of the core features of ProxySQL. Read/write split is perhaps one of the most common query routing use, while the other most commonly used</description><pubDate>Thu, 13 Apr 2017 00:00:00 GMT</pubDate><author>Nick Vyzas</author></item><item><title>Testing performance of MySQL Group Replication</title><link>https://proxysql.com/blog/testing-performance-of-mysql-group-replication/</link><guid isPermaLink="true">https://proxysql.com/blog/testing-performance-of-mysql-group-replication/</guid><description>MySQL Group Replication is a hot topic in MySQL ecosystem. We have been evaluating it in , and it is now time to evaluate its performance, especially now that i</description><pubDate>Thu, 02 Feb 2017 00:00:00 GMT</pubDate><author>Rene Cannao</author></item></channel></rss>