Understanding Elasticsearch Architecture: Segments, Translog, Refresh, Shard Allocation and Cluster Operations

This article provides a comprehensive overview of Elasticsearch's internal architecture, explaining how data flows from memory buffers to Lucene segments, the role of refresh and translog for durability, segment merging strategies, shard routing, replica consistency, allocation controls, hot‑cold data separation, and cluster discovery settings.

Cluster ManagementElasticsearchSegments

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Understanding Elasticsearch Architecture: Segments, Translog, Refresh, Shard Allocation and Cluster Operations

Liangxu Linux

May 11, 2020 · Fundamentals

Understanding Linux Executable Files and Their Virtual Address Space

This article explains how Linux creates a new process with its own virtual address space, maps ELF executable segments to memory regions, describes the roles of code, data, and BSS sections, shows how to inspect mappings via /proc/pid/maps, and clarifies segment‑section relationships and loading details.

ELFProcess Address SpaceSegments

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Understanding Linux Executable Files and Their Virtual Address Space

ITFLY8 Architecture Home

Dec 22, 2016 · Fundamentals

Where Do Code and Data Live? A Deep Dive into Linux Process Memory Layout

This article explains how a running program's code and variables are organized in Linux memory, covering virtual address mapping, the purpose of each segment (text, rodata, data, bss, stack, heap), and demonstrates the concepts with concrete C examples and memory‑map screenshots.

@DataBSSHeap

0 likes · 11 min read

Where Do Code and Data Live? A Deep Dive into Linux Process Memory Layout