--- title: "#greptime articles | Hashnode" description: "Explore 14 articles tagged #greptime on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/greptime" --- Tag # #greptime 14 posts · 0 followers [Mihir Suratwala](https://hashnode.com/@Mihir10) · [Dec 21, 2024](https://hashnode.com/posts/how-to-use-grep-for-searching-data-in-files-and-directories/67672f840de1d083644b0dce) ### [How to Use Grep for Searching Data in Files and Directories](https://mihirsuratwala.hashnode.dev/how-to-use-grep-for-searching-data-in-files-and-directories?utm_source=hashnode&utm_medium=feed) Learn how to use Grep to effectively search and manipulate text within files and directories using regular expressions 2 min read · [mihirsuratwala.hashnode.dev](https://mihirsuratwala.hashnode.dev/how-to-use-grep-for-searching-data-in-files-and-directories?utm_source=hashnode&utm_medium=feed) [Greptime](https://hashnode.com/@greptime) · [Dec 28, 2023](https://hashnode.com/posts/unlock-complex-time-series-analysis-in-sql-with-range-queries/658cc9c6c0aa61ab7c534fb7) ### [Unlock Complex Time Series Analysis in SQL with Range Queries](https://greptime.hashnode.dev/unlock-complex-time-series-analysis-in-sql-with-range-queries?utm_source=hashnode&utm_medium=feed) 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... 6 min read · [greptime.hashnode.dev](https://greptime.hashnode.dev/unlock-complex-time-series-analysis-in-sql-with-range-queries?utm_source=hashnode&utm_medium=feed) [Greptime](https://hashnode.com/@greptime) · [Dec 22, 2023](https://hashnode.com/posts/time-series-data-ingestion-from-rust-webassembly-application-leveraging-greptimedb-and-wasmedge/65855fd0aff5d860112e83bb) ### [Time-series data ingestion from Rust WebAssembly application, leveraging GreptimeDB and WasmEdge](https://greptime.hashnode.dev/time-series-data-ingestion-from-rust-webassembly-application-leveraging-greptimedb-and-wasmedge?utm_source=hashnode&utm_medium=feed) 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... 5 min read · [greptime.hashnode.dev](https://greptime.hashnode.dev/time-series-data-ingestion-from-rust-webassembly-application-leveraging-greptimedb-and-wasmedge?utm_source=hashnode&utm_medium=feed) [Greptime](https://hashnode.com/@greptime) · [Nov 30, 2023](https://hashnode.com/posts/kubernetesk8s-autoscaler-a-detailed-look-at-the-design-and-implementation-of-vpa/65680869317c5e359d4bbf7e) ### [Kubernetes(K8s) Autoscaler — a detailed look at the design and implementation of VPA](https://greptime.hashnode.dev/kubernetesk8s-autoscaler-a-detailed-look-at-the-design-and-implementation-of-vpa?utm_source=hashnode&utm_medium=feed) 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... 8 min read · [greptime.hashnode.dev](https://greptime.hashnode.dev/kubernetesk8s-autoscaler-a-detailed-look-at-the-design-and-implementation-of-vpa?utm_source=hashnode&utm_medium=feed) [Greptime](https://hashnode.com/@greptime) · [Nov 27, 2023](https://hashnode.com/posts/stay-young-stay-humble-celebrate-greptimedbs-wonder-of-one-since-open-source/65650208a1184aa2d5ccc8d9) ### [Stay Young, Stay Humble -- Celebrate GreptimeDB's wonder of 'One' Since Open Source](https://greptime.hashnode.dev/stay-young-stay-humble-celebrate-greptimedbs-wonder-of-one-since-open-source?utm_source=hashnode&utm_medium=feed) 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... 7 min read · [greptime.hashnode.dev](https://greptime.hashnode.dev/stay-young-stay-humble-celebrate-greptimedbs-wonder-of-one-since-open-source?utm_source=hashnode&utm_medium=feed) [Greptime](https://hashnode.com/@greptime) · [Nov 7, 2023](https://hashnode.com/posts/chaos-engineering-whos-to-blame-for-the-bug-mess/6549b051dfd40ccd52c35e97) ### [Chaos Engineering - Who's to Blame for the Bug Mess?](https://greptime.hashnode.dev/chaos-engineering-whos-to-blame-for-the-bug-mess?utm_source=hashnode&utm_medium=feed) 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... 4 min read · [greptime.hashnode.dev](https://greptime.hashnode.dev/chaos-engineering-whos-to-blame-for-the-bug-mess?utm_source=hashnode&utm_medium=feed) [Greptime](https://hashnode.com/@greptime) · [Nov 1, 2023](https://hashnode.com/posts/a-comprehensive-dive-into-the-new-time-series-storage-engine-mito/654238d717d08903b1fe7fd2) ### [A Comprehensive Dive into the New Time-Series Storage Engine - Mito](https://greptime.hashnode.dev/a-comprehensive-dive-into-the-new-time-series-storage-engine-mito?utm_source=hashnode&utm_medium=feed) 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 ... 5 min read · [greptime.hashnode.dev](https://greptime.hashnode.dev/a-comprehensive-dive-into-the-new-time-series-storage-engine-mito?utm_source=hashnode&utm_medium=feed) [Greptime](https://hashnode.com/@greptime) · [Sep 18, 2023](https://hashnode.com/posts/greptimedb-user-guide-leveraging-our-tools-for-efficient-promql-queries/6507ca383afcd4d9264bd8f1) ### [GreptimeDB User Guide — Leveraging our Tools for Efficient PromQL Queries](https://greptime.hashnode.dev/greptimedb-user-guide-leveraging-our-tools-for-efficient-promql-queries?utm_source=hashnode&utm_medium=feed) Background PromQL is the query language of the Prometheus monitoring system, used for querying, analyzing, and aggregating time-series data. PromQL is known for its powerful expression capabilities, simplicity, and clear logic. As a dedicated time-se... 6 min read · [greptime.hashnode.dev](https://greptime.hashnode.dev/greptimedb-user-guide-leveraging-our-tools-for-efficient-promql-queries?utm_source=hashnode&utm_medium=feed) [Greptime](https://hashnode.com/@greptime) · [Sep 14, 2023](https://hashnode.com/posts/from-participant-to-intern-zou-weis-journey-with-greptime-and-ospp-2023/6502c2de211a4117489ff17f) ### [From Participant to Intern - Zou Wei's Journey with Greptime and OSPP 2023](https://greptime.hashnode.dev/from-participant-to-intern-zou-weis-journey-with-greptime-and-ospp-2023?utm_source=hashnode&utm_medium=feed) Introduction Open Source Promotion Plan, co-hosted by the Institute of Software at the Chinese Academy of Sciences and the openEuler community, aims to motivate students to delve into open-source software development. Among the student participants, ... 5 min read · [greptime.hashnode.dev](https://greptime.hashnode.dev/from-participant-to-intern-zou-weis-journey-with-greptime-and-ospp-2023?utm_source=hashnode&utm_medium=feed) [Greptime](https://hashnode.com/@greptime) · [Sep 8, 2023](https://hashnode.com/posts/greptimedb-quickstart-guide-seamlessly-launch-our-time-series-database-from-the-ground-up/64fac68ae2e4dd34042d8985) ### [GreptimeDB Quickstart Guide - Seamlessly Launch Our Time-Series Database from the Ground Up](https://greptime.hashnode.dev/greptimedb-quickstart-guide-seamlessly-launch-our-time-series-database-from-the-ground-up?utm_source=hashnode&utm_medium=feed) GreptimeDB is a cloud-native, distributed, open-source time-series database written in Rust that seamlessly integrates storage and analysis. It primarily caters to industries that possess vast amounts of time-series data and can benefit from the anal... 4 min read · [greptime.hashnode.dev](https://greptime.hashnode.dev/greptimedb-quickstart-guide-seamlessly-launch-our-time-series-database-from-the-ground-up?utm_source=hashnode&utm_medium=feed)