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Add a random chance to ignore a job to reduce contention
authorSverre Rabbelier <srabbelier@gmail.com>
Sun, 19 Apr 2009 00:07:05 +0000
changeset 2232 3c1e0b915803
parent 2231 6077018a1e68
child 2233 a20ff7087686
Add a random chance to ignore a job to reduce contention This should probably be solved better (perhaps with a binary exponential backoff). Patch by: Sverre Rabbelier
app/soc/views/models/cron.py file | annotate | diff | comparison | revisions 
--- a/app/soc/views/models/cron.py	Sun Apr 19 00:06:46 2009 +0000
+++ b/app/soc/views/models/cron.py	Sun Apr 19 00:07:05 2009 +0000
@@ -22,6 +22,8 @@
   ]
 
 
+import random
+
 from django import http
 
 from soc.logic import dicts
@@ -91,6 +93,8 @@
       jobs = job_logic.entityIterator(queryGen, batchSize=10)
 
       for job in jobs:
+        if random.randint(0, 5) > 0:
+          continue
         job_key = job.key().id()
         good = handler.handle(job_key)
py_tasks_melange