Last_SQL_Error: Could not execute _rows event on table .; Can’t find record in ‘’, Error_code: 1032; handler error HA_ERR_END_OF_FILE; the event’s master log , end_log_pos. This is one of the… Read more »
“Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled (“enabled=always”) by default in most Linux… Read more »
“Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled (“enabled=always”) by default in most Linux… Read more »
I needed to change the hostname on mysql database logins because the application server name was changed. I ran the following command: Starting with the MariaDB-10.4+ the mysql.user is a… Read more »
In this post we will describe step by step how to enable the https protocol on wildfly and enable the desired security protocols. To activate SSL communication in Wildfly, perform… Read more »
This version has been released to augment the database’s ability to operate at a convenient and dependable scale, therefore developed under the “user-driven engineering” principle to enable it deliver numerous… Read more »
ClickHouse supports different kinds of compressions, namely two LZ4 and ZSTD. But in short, LZ4 is fast but provides smaller compression ratio comparing to ZSTD. While ZSTD is slower than… Read more »
ClickHouse is known as a data analytics processing engine. ClickHouse is one of the open-source column-oriented database-oriented management systems capable of real-time generation of analytical data reports using SQL queries…. Read more »
Introduction Apache ZooKeeper is open-source software that enables resilient and highly reliable distributed coordination. It is commonly used in distributed systems to manage configuration information, naming services, distributed synchronization, quorum,… Read more »
Introduction Clickhouse is a column store database developed by Yandex used for data analytics. In this article I will talk about setting up a distributed fault tolerant Clickhouse cluster. If… Read more »