celery: default to more than 1 task per worker

development.ini

@@ -264,7 +264,7 b' celery.result_backend = db+sqlite:///cel'
 #celery.amqp.task.result.expires = 18000
 
 celery.worker_concurrency = 2
-celery.worker_max_tasks_per_child = 1
+celery.worker_max_tasks_per_child = 100
 
 ## If true, tasks will never be sent to the queue, but executed locally instead.
 celery.task_always_eager = false

kallithea/templates/ini/template.ini.mako

@@ -339,7 +339,7 b' celery.result_backend = db+sqlite:///cel'
 #celery.amqp.task.result.expires = 18000
 
 celery.worker_concurrency = 2
-celery.worker_max_tasks_per_child = 1
+celery.worker_max_tasks_per_child = 100
 
 <%text>##</%text> If true, tasks will never be sent to the queue, but executed locally instead.
 celery.task_always_eager = false