[tahoe-lafs-trac-stream] [tahoe-lafs] #1870: leasedb: performance regression

tahoe-lafs trac at tahoe-lafs.org
Thu Aug 1 20:33:56 UTC 2013


#1870: leasedb: performance regression
-------------------------+-------------------------------------------------
     Reporter:           |      Owner:  daira
  davidsarah             |     Status:  assigned
         Type:  defect   |  Milestone:  1.11.0
     Priority:  normal   |    Version:  1.9.2
    Component:  code-    |   Keywords:  leasedb performance regression
  storage                |  sqlite
   Resolution:           |
Launchpad Bug:           |
-------------------------+-------------------------------------------------

Comment (by markberger):

 I'm not sure if this will help, but I ran the unit tests on master and
 1819-cloud-merge-opensource and calculated the difference in time for all
 shared tests. Here are all the tests which are more than five seconds
 slower on the current cloud branch:

 {{{
 allmydata.test.test_cli.Cp.test_copy_using_filecap        26.734000s
 allmydata.test.test_mutable.Update.test_replace_locations_max_shares
 16.467000s
 allmydata.test.test_upload.EncodingParameters.test_query_counting
 8.411000s
 allmydata.test.test_mutable.Problems.test_privkey_query_error
 7.963000s
 allmydata.test.test_mutable.Update.test_append_power_of_two
 6.575000s
 allmydata.test.test_mutable.Problems.test_privkey_query_missing
 6.236000s
 allmydata.test.test_mutable.Problems.test_block_and_hash_query_error
 6.175000s
 allmydata.test.test_download.DownloadV2.test_download        5.764000s
 allmydata.test.test_upload.EncodingParameters.test_dropped_servers_in_encoder
 5.594000s
 allmydata.test.test_upload.EncodingParameters.test_exception_messages_during_...
 5.115000s
 allmydata.test.test_cli.CreateAlias.test_create_unicode        5.045000s
 allmydata.test.test_cli.Rm.test_unlink_without_path        5.028000s
 }}}

 You can view the rest of the data I collected here:
 https://gist.github.com/markberger/136765c5e87480b8017e

-- 
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1870#comment:19>
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