How to Restore/Recover ClickHouse after ZooKeeper Metadata is corrupted/lost? When you are building a highly available ClickHouse Infrastrstucture for scale and performance we use ZooKeeper for ClickHouse Replication Management and Operations with ReplicatedMergeTree table engine. […]
ClickHouse DR Strategies We at ChistaDATA never recommend Replication Solution as an alternative for Backup or DR. Replication focuses on business continuity, i.e. delivering uninterrupted data infrastructure availability to mission-critical ClickHouse Operations and Backup involves […]
ClickHouse 22.2 New Features ClickHouse Development Group is very active (https://clickhouse.com/docs/en/whats-new/changelog/), We at ChistaDATA carefully evaluate new features to recommend customers for adoption (whenever appropriate). Our Support team is committed to providing maximum value for […]
ClickHouse LowCardinality Data Type ClickHouse LowCardinality feature is not documented in detail and people still mistake the functional relevance of ClickHouse LowCardinality. ClickHouse has several data types and SQL implementation which is entirely different from […]
Troubleshooting ClickHouse – Why I am not able to connect to ClickHouse? Why I am not able to connect with ClickHouse Server? We often this ticket on our support function and the error will be […]
How does ClickHouse Query Profiler work? The core objective of ClickHouse Query Profiler is to measure the performance metrics of SQLs and understand where the application is spending most of the time, This helps to […]
ClickHouse C++ client – Connecting to ClickHouse with C++ client libraries ClickHouse C++ client is a client library for C++ development allowing applications to connect to ClickHouse databases based on the clickhouse-native-client library. The library […]
Installing BCC for Troubleshooting Full-Stack Performance Software Infrastructure Observability allows Data Ops. Engineers, SREs and other stakeholders in the ecosystem to easily identify components that need to be tuned proactively for optimal performance. Faster transactions […]
ClickHouse Cluster Setup and Configuration Being a full-stack ClickHouse Optimization Support and Managed Services provider company we often get queries on ClickHouse installation and configuration for both standalone and clustered infrastructure setup. So we decided […]
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