{
  "slug": "garbage-collection",
  "term": "Garbage collection (flash)",
  "aliases": [
    "GC",
    "SSD garbage collection"
  ],
  "definition": "The process of reclaiming flash blocks containing invalid pages by erasing and rewriting valid data elsewhere.",
  "note": "",
  "status": "shipping",
  "advantages": [],
  "limitations": [],
  "related": [
    "ftl",
    "trim",
    "write-amplification",
    "ssd"
  ],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "citations": [
    {
      "id": "c1",
      "title": "Garbage collection (SSD)",
      "url": "https://en.wikipedia.org/wiki/Garbage_collection_(SSD)",
      "accessed": "2026-03-26"
    }
  ]
}