Changes between Version 7 and Version 8 of db/SchemaEvolution


Ignore:
Timestamp:
03/05/2013 07:30:54 PM (6 years ago)
Author:
jbecla
Comment:

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  • db/SchemaEvolution

    v7 v8  
    3030If we start running low on the extra columns in the reserved pool, we can refill it slowly during day time, a subset of chunks at a time. Since it is hidden, it it ok if some chunks have it and other don't. This is the worst case, assuming we don't have enough time during one day to add columns to all chunks. 
    3131 
     32== Merging DR into Up-to-date == 
     33 
     34By the time we produce a DR catalog, the up-to-date will significantly diverge from the version used to produce DR. Merging the DR into up-to-date is non-trivial, as it will break reproducibility. [to be continued...] 
     35 
    3236== Notes on Scalability == 
    3337