Hi,
The new code is in the main branch and tentacle branch, there will be a
tentacle release candidate very soon, but not quite yet so you’ll probably have
to build it from source now or wait for the release candidate.
To use the new feature, you need to enable a new flag on your EC pool:
ceph osd pool set {pool-name} allow_ec_optimizations on
If you are creating a new pool, the recommendation is to increase the stripe
unit from the current default of 4K to 16K – you can either set this in the
erasure code profile or by changing the conf file setting
osd_pool_erasure_code_stripe_unit.
See this PR https://github.com/ceph/ceph/pull/64809 which has the documentation
updates for the new feature for more information.
Cheers,
Bill.
bill_sca...@uk.ibm.com<mailto:bill_sca...@uk.ibm.com>
IBM Distinguished Engineer, IBM Storage
From: Chris Lawsonn <chrislaws...@outlook.com>
Date: Monday, 4 August 2025 at 14:43
To: ceph-users@ceph.io <ceph-users@ceph.io>
Subject: [EXTERNAL] [ceph-users] How to test run the new EC Erasure Coding
Enhancements Optimizations?
Hi, I am new ignorant user and want to practice test any of the new EC
Optimizations that are being worked on for tentacle. How can I test install and
setup using any of the new code that includes the EC Optimizations? What would
be easiest steps to standup a test environment and how to run pre-release code?
Thanks
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