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Object Store Architecture Overview

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2023-12-01

/*
 * Rough outline of object store module dependencies
 */

digraph object_store {
  size="7,7";
  node [color=lightblue2, style=filled, fontname="Serif"];

  "testrados" -> "librados"
  "testradospp" -> "librados"

  "rbd" -> "librados"

  "radostool" -> "librados"

  "radosgw-admin" -> "radosgw"

  "radosgw" -> "librados"

  "radosacl" -> "librados"

  "librados" -> "objecter"

  "ObjectCacher" -> "Filer"

  "dumpjournal" -> "Journaler"

  "Journaler" -> "Filer"

  "SyntheticClient" -> "Filer"
  "SyntheticClient" -> "objecter"

  "Filer" -> "objecter"

  "objecter" -> "OSDMap"

  "ceph-osd" -> "PG"
  "ceph-osd" -> "ObjectStore"

  "crushtool" -> "CrushWrapper"

  "OSDMap" -> "CrushWrapper"

  "OSDMapTool" -> "OSDMap"

  "PG" -> "ReplicatedPG"
  "PG" -> "ObjectStore"
  "PG" -> "OSDMap"

  "ReplicatedPG" -> "ObjectStore"
  "ReplicatedPG" -> "OSDMap"

  "ObjectStore" -> "FileStore"

  "FileStore" -> "ext3"
  "FileStore" -> "ext4"
  "FileStore" -> "btrfs"
}

Todo

write more here