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Articles tagged with #greptime
Background Time-series data often requires querying and aggregating over specified time intervals, a pattern well-supported by PromQL's Range selector. However, executing these queries in standard SQL is notably complex. To address this, GreptimeDB h...
What is WebAssembly WebAssembly is a new instruction format that offers cross-platform compatibility and execution speeds close to native machine code. By compiling C/C++ or Rust code into WebAssembly, program performance can be enhanced within brows...
The Vertical Pod Autoscaler (VPA) is an important part of cluster resource control in Kubernetes (K8s). Its main purposes include: Updating the resources required by Pods (such as CPU and memory) automatically to lower the cost of cluster maintenanc...
Preface GreptimeDB was officially open-sourced on GitHub on November 15 a year ago, in 2022. Since its release, we have gained attention and support from over 10 countries. Let's take a moment to reflect on GreptimeDB's journey of open-source. From D...
Preface GreptimeDB supports deployment in both standalone and distributed modes, but a sharp question follows: how confident are we in this complex system that we have put into production? During the iteration from v0.3 to v0.4, we introduced Chaos E...
Our team has performed a series of refactoring and improvements on the latest release GreptimeDB version 0.4, including a major upgrade to the underlying time-series data storage engine, Mito. In this version, we basically rewrote the entire storage ...
