#2196 BLOC Untriag: datastore dies with large PDFs.

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#2196: datastore dies with large PDFs.
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  Reporter:  cjb        |       Owner:  bcsaller 
      Type:  defect     |      Status:  new      
  Priority:  blocker    |   Milestone:  Untriaged
 Component:  datastore  |     Version:           
Resolution:             |    Keywords:           
  Verified:  0          |  
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Comment (by tomeu):

 The problem here is the way we are calculating a hash for the file
 content:

 http://dev.laptop.org/git.do?p=projects/datastore;a=blob;f=src/olpc/datastore/backingstore.py;h=354426e077143bd6b33f94519e954c0342fa5632;hb=HEAD#l288

 This is too slow for being performed in the update() method, as it should
 be almost instantaneous.

 In this case the dbus call times out and the datastore service hogs the
 cpu for some time.

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Ticket URL: <http://dev.laptop.org/ticket/2196#comment:3>
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