Project

General

Profile

Feature #4757

ZFS embedded-data block pointers ("zero block compression")

Added by Christopher Siden over 5 years ago. Updated over 5 years ago.

Status:
Closed
Priority:
Normal
Category:
zfs - Zettabyte File System
Start date:
2014-04-14
Due date:
% Done:

100%

Estimated time:
Difficulty:
Medium
Tags:
needs-triage

Description

Matt Ahrens:

ZFS should allow highly-compressible blocks to have their compressed data
stored in the block pointer itself.  This provides a space savings and
performance improvement (not having to write/read these blocks).


Related issues

Precedes illumos gate - Bug #4881: zfs send performance degradation when embedded block pointers are encounteredClosed2014-05-23

Actions

History

#1

Updated by Christopher Siden over 5 years ago

  • Status changed from New to Resolved
#2

Updated by Christopher Siden over 5 years ago

  • Status changed from Resolved to Feedback
#3

Updated by Christopher Siden over 5 years ago

  • Status changed from Feedback to In Progress
#4

Updated by Christopher Siden over 5 years ago

  • Status changed from In Progress to Feedback
#5

Updated by Christopher Siden over 5 years ago

  • Status changed from Feedback to In Progress
#6

Updated by Electric Monk over 5 years ago

  • Status changed from In Progress to Closed

git commit 5d7b4d438c4a51eccc95e77a83a437b4d48380eb

commit  5d7b4d438c4a51eccc95e77a83a437b4d48380eb
Author: Matthew Ahrens <mahrens@delphix.com>
Date:   2014-06-05T21:19:08.000Z

    4757 ZFS embedded-data block pointers ("zero block compression")
    4913 zfs release should not be subject to space checks
    Reviewed by: Adam Leventhal <ahl@delphix.com>
    Reviewed by: Max Grossman <max.grossman@delphix.com>
    Reviewed by: George Wilson <george.wilson@delphix.com>
    Reviewed by: Christopher Siden <christopher.siden@delphix.com>
    Reviewed by: Dan McDonald <danmcd@omniti.com>
    Approved by: Dan McDonald <danmcd@omniti.com>

Also available in: Atom PDF