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Wednesday, March 22 • 4:00pm - 4:50pm
Improving Performance of Directory Operations in Gluster - Manoj Pillai & Raghavendra Gowdappa, Red Hat

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Providing good performance for directory operations in a scale-out storage solution like gluster can be challenging. Gluster relies on a framework called Distributed Hash Table (DHT) for hashing and distributing files, which makes it necessary to aggregate contents of a logical gluster directory from multiple physical directories on the underlying constituent file systems, known as bricks, for operations like readdir.

In this talk, Manoj Pillai will present an extensive evaluation of the performance of gluster directory operations for real-life scenarios. Raghavendra Gowdappa and Poornima Gurusiddaiah will then describe the following approaches for improving directory performance, and assess their effectiveness: readdir-ahead (prefetching), parallel readdir, readdir-optimize (filter duplicate directories that result from gluster's directory creation approach) and directory readdirplus.

Speakers
RG

Raghavendra Gowdappa

Principal software Engineer, Redhat India Pvt Ltd
MP

Manoj Pillai

Principal Software Engineer, Red Hat
Manoj Pillai works on storage performance in the Performance and Scale Engineering Group at Red Hat. He works primarily on Gluster, and has given talks on Gluster performance at Red Hat Summit and Gluster Developer Summit.


Wednesday March 22, 2017 4:00pm - 4:50pm
Paul Revere AB

Attendees (14)