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3 posts

LinuxDeep Dive October 3, 2026 6 min read

Linux cachestat: Inspect File Page-Cache Residency by Range

Use Linux cachestat to inspect cached, dirty, writeback, and evicted pages for a file range, then interpret the snapshot without confusing it with I/O telemetry.

#linux#page-cache#storage

LinuxHow-To October 3, 2026 7 min read

Linux posix_fadvise: Page-Cache Hints for Real I/O Workloads

Apply Linux posix_fadvise hints carefully for streaming, random reads, and cache release while accounting for advisory semantics and return codes.

#linux#page-cache#storage

LinuxDeep Dive July 11, 2026 6 min read

Understanding the Linux Page Cache and How Writeback Actually Works

Understand Linux page-cache reads, buffered writes, dirty throttling and durability boundaries without confusing write completion with stable storage.

#page-cache#memory#kernel