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This page records various design issues for the Event Store.

2005/05/09

2005/04/12

2005/04/07
  • BeginrunVersioning is a proposal to record provenance info in a new data type in beginrun records

2005/04/05

2005/02/18
  • This is the metadata database schema as of 2005/02/18:
  • MetaDBSchema.html: This is the metadata database schema as of 2005/02/18.

2005/02/16

2005/02/14: The injection policy is described in the following documents.

The original design docs are out of date, but possibly instructional.

Also see the initial versioning system document.

Recent design decisions:

2005/02/14:
  1. The EventStore graph and injection policies.

2005/01/27:
  1. CLEOcDataPathSpecification

2004/11/12:
  1. We will proceed with xrootd for disk cache management.

2004/11/01:
  1. Raw data will be populated directly into the HSM. Raw run files will no longer be truncated. Instead, the keyfiles (which are small) will not refer to events that have been deemed unacceptable.
  2. No truncation will be permitted after reconstruction has begun.

-- GregorySharp - 17 Nov 2004
Topic revision: r13 - 21 Jun 2005, ValentinKuznetsov
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