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dhruba_b

HN member
Joined
Fri, Nov 15, 2013, 2:32 AM UTC
HN karma
38
Public activity
10 items

About dhruba_b

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Recent public activity

  1. comment
    Comment #19639796

    https://rockset.com/blog/how-to-run-sql-on-pdf-files/

  2. comment
    Comment #6743858

    There was a typo, the 2 million should have been 200 million keys. I fixed the wiki page. Thanks again for pointing it out.

  3. comment
    Comment #6743795

    Thanks for your comments Steve. 1. RocksDb has a feature that allows an application to determine when to close a file (i.e. segment). You can write your compaction code via compact…

  4. comment
    Comment #6737960

    are you not able to access the github repo?

  5. comment
    Comment #6737951

    Thanks for your comments Jon. RocksDB shares some of its genes with LevelDB.. something like a parent-child relationship. Please check out Universal Comaction Style, multi-threaded…

  6. comment
    Comment #6737938

    This can be used as a drop-in replacement. It disk format is compatible with leveldb. But once you upgrade to RocksDB, you won't be able to switch back to Leveldb (unless you resto…

  7. comment
    Comment #6737928

    This is an excellent question. RocksDB has a lock per shard that is used to protect incrementing/decrementing refcounts on critical metaddata structures for writes. It is never hel…

  8. comment
    Comment #6737905

    RocksDB has an LSM architecture, similar in nature to HBase, leveldb, etc. But the implementation is based on a Theorem that we will be publishing shortly. I am working on the Theo…

  9. comment
    Comment #6737342

    RocksDB allows only one process to open the DB in read-write mode but other process can access the DB read-only (with a few configuration settings)

  10. comment
    Comment #6737334

    Hi guys, I am Dhruba and I work in the Database Engineering team at Facebook. We just released RocksDB as an open source project. If anybody has any technical questions about Rocks…