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  1. Hadoop Common
  2. HADOOP-19092 ABFS phase 4: post Hadoop 3.4.0 features
  3. HADOOP-17590

ABFS: Introduce Lease Operations with Append to provide single writer semantics

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    • Sub-task
    • Status: Open
    • Major
    • Resolution: Unresolved
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    Description

      The lease operations will be introduced as part of Append, Flush to ensure the single writer semantics.

       

      Details:

      Acquire Lease will be introduced in Create, Auto-Renew, Acquire will be added to Append & Release, Auto-Renew, Acquire in Flush.

       

      Duration the creation of the file the lease will be acquired, as part of appends the lease will be auto-renewed & the lease can be released as part of flush.

       

      By default the lease duration will be of 60 seconds.

      "fs.azure.write.enforcelease" & "fs.azure.write.lease.duration" two configs will be introduced.

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              snehavarma Sneha Varma
              sneha_varma Sneha Varma
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