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Closed
Opened May 14, 2019 by Philip Carns@carns
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WIP: file-based back end for bake

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  • Commits 26
  • Changes 14

Do not merge; this is a prototype for preliminary performance testing.

The point of this experiment is to have the ability to store regions in normal POSIX files using O_DIRECT as an alternative to storing regions in libpmemobj objects.

This branch does not implement reads, removes, eager operations, or size checks. It is just enough for write performance benchmarking.

All regions are stored in a single log-structured files, with pwrite() and fdatasync() calls serviced via an abt-io instance backed by 8 execution streams.

Required: run with pipelining enabled. Recommended: run with no dedicated threads for RPC handling.

Check out, review, and merge locally

Step 1. Fetch and check out the branch for this merge request

git fetch origin
git checkout -b "carns/dev-file-backend" "origin/carns/dev-file-backend"

Step 2. Review the changes locally

Step 3. Merge the branch and fix any conflicts that come up

git fetch origin
git checkout "origin/master"
git merge --no-ff "carns/dev-file-backend"

Step 4. Push the result of the merge to GitLab

git push origin "master"

Note that pushing to GitLab requires write access to this repository.

Tip: You can also checkout merge requests locally by following these guidelines.

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Reference: sds/bake!10