[GitHub] [pulsar] hangc0276 added a comment to the discussion: Bookkeeper Storage recommendations

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GitHub user hangc0276 added a comment to the discussion: Bookkeeper Storage recommendations

> What is the recommended storage ratio of journal to the ledger disks? We have 6 ledger SSD SATA disks of 7.5 TB each available. We were wondering how much journal storage(NVMe) would be required?

The journal disk doesn't have the storage size requirement, maybe 100GB is enough. You need to ensure the journal throughput can match with your 6 ledger SSD throughput. 

> Which file system is recommended for Pulsar? Kafka recommends utilizing xfs filesystem. Was wondering if its the same for pulsar as well?

Both XFS and ext4 can be good options to use with Apache Bookkeeper. If performance is a top priority and you have large segments and high-throughput workloads, XFS may be the better choice. If reliability and stability are more important, then ext4 may be the better choice.

GitHub link: https://github.com/apache/pulsar/discussions/19606#discussioncomment-5737468

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