Hi everyone,
If you have an idea for a focus topic you'd like to present at a future meeting, you are welcome to submit it to this Google Form:
https://docs.google.com/forms/d/e/1FAIpQLSdboBhxVoBZoaHm8xSmeBoemuXoV_rmh4vJDGBrp6d-D3-BlQ/viewform?usp=sf_link
Any Ceph user or developer is eligible to submit!
Thanks,
You are invited to join us at the User + Dev meeting this week Thursday, February 22 at 10:00 AM Eastern Time!
Focus Topic: CephFS Snapshots Evaluation
Presented by: Enrico Bocchi and Abhishek Lekshmanan, Ceph operators from CERN
Presented by: Enrico Bocchi and Abhishek Lekshmanan, Ceph operators from CERN
From the presenters:
Ceph at CERN provides block, object, and file storage backing the IT infrastructure of the Organization. CephFS, in particular, is largely used through the integration with OpenStack Manila by container-based workloads (Kubernetes, OpenShift), HPC MPI clusters, and as a general-purpose networked file system for enterprise groupware and open infrastructure technologies (code/software repositories, monitoring, analytics, etc.).
Our presentation focuses on CephFS snapshots and their implications on performance and stability. Snapshots would be a valuable addition to our existing CephFS service, as they allow for storage rollback and disaster recovery through mirroring. According to our observations, however, they introduce a non-negligible performance penalty and may jeopardize the stability of the file system.
In particular, we would like to discuss:
1. Experiences with CephFS snapshots from other operators in the Ceph community.
2. Tools and strategies one can deploy to pre-empty or mitigate issues.
3. How to effectively contribute with upstream developers and interested community users to address the identified limitations.
Ceph at CERN provides block, object, and file storage backing the IT infrastructure of the Organization. CephFS, in particular, is largely used through the integration with OpenStack Manila by container-based workloads (Kubernetes, OpenShift), HPC MPI clusters, and as a general-purpose networked file system for enterprise groupware and open infrastructure technologies (code/software repositories, monitoring, analytics, etc.).
Our presentation focuses on CephFS snapshots and their implications on performance and stability. Snapshots would be a valuable addition to our existing CephFS service, as they allow for storage rollback and disaster recovery through mirroring. According to our observations, however, they introduce a non-negligible performance penalty and may jeopardize the stability of the file system.
In particular, we would like to discuss:
1. Experiences with CephFS snapshots from other operators in the Ceph community.
2. Tools and strategies one can deploy to pre-empty or mitigate issues.
3. How to effectively contribute with upstream developers and interested community users to address the identified limitations.
Feel free to add questions or additional topics under the "Open Discussion" section on the agenda: https://pad.ceph.com/p/ceph-user-dev-monthly-minutes
If you have an idea for a focus topic you'd like to present at a future meeting, you are welcome to submit it to this Google Form:
https://docs.google.com/forms/d/e/1FAIpQLSdboBhxVoBZoaHm8xSmeBoemuXoV_rmh4vJDGBrp6d-D3-BlQ/viewform?usp=sf_link
Any Ceph user or developer is eligible to submit!
Thanks,
Neha
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