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Changing resoltuion of feed counts munin to 12 hours to spare the database.

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This commit is contained in:
Samuel Clay 2015-07-21 15:15:42 -07:00
parent b05ddbec87
commit 66ca1d7628
2 changed files with 39 additions and 8 deletions
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7
apps/statistics/models.py
View file

@ -12,6 +12,7 @@ from utils import db_functions
class MStatistics(mongo.Document):
key = mongo.StringField(unique=True)
value = mongo.DynamicField()
expiration_date = mongo.DateTimeField(null=True)
meta = {
'collection': 'statistics',
@ -27,15 +28,19 @@ class MStatistics(mongo.Document):
obj = cls.objects.filter(key=key).first()
if not obj:
return default
if obj.expiration_date and obj.expiration_date < datetime.datetime.now():
return default
return obj.value
@classmethod
def set(cls, key, value):
def set(cls, key, value, expiration_sec=None):
try:
obj = cls.objects.get(key=key)
except cls.DoesNotExist:
obj = cls.objects.create(key=key)
obj.value = value
if expiration_sec:
obj.expiration_date = datetime.datetime.now() + datetime.timedelta(seconds=expiration_sec)
obj.save()
@classmethod

40
utils/munin/newsblur_feed_counts.py
View file

@ -23,16 +23,42 @@ class NBMuninGraph(MuninGraph):
from apps.rss_feeds.models import Feed, DuplicateFeed
from apps.push.models import PushSubscription
from django.conf import settings
from apps.statistics.models import MStatistics
exception_feeds = MStatistics.get('munin:exception_feeds')
if not exception_feeds:
exception_feeds = Feed.objects.filter(has_feed_exception=True).count()
MStatistics.set('munin:exception_feeds', exception_feeds, 60*60*12)
exception_pages = MStatistics.get('munin:exception_pages')
if not exception_pages:
exception_pages = Feed.objects.filter(has_page_exception=True).count()
MStatistics.set('munin:exception_pages', exception_pages, 60*60*12)
duplicate_feeds = MStatistics.get('munin:duplicate_feeds')
if not duplicate_feeds:
duplicate_feeds = DuplicateFeed.objects.count()
MStatistics.set('munin:duplicate_feeds', duplicate_feeds, 60*60*12)
active_feeds = MStatistics.get('munin:active_feeds')
if not active_feeds:
active_feeds = Feed.objects.filter(active_subscribers__gt=0).count()
MStatistics.set('munin:active_feeds', active_feeds, 60*60*12)
push_feeds = MStatistics.get('munin:push_feeds')
if not push_feeds:
push_feeds = PushSubscription.objects.filter(verified=True).count()
MStatistics.set('munin:push_feeds', push_feeds, 60*60*12)
r = redis.Redis(connection_pool=settings.REDIS_FEED_POOL)
return {
'scheduled_feeds': r.zcard('scheduled_updates'),
'exception_feeds': Feed.objects.filter(has_feed_exception=True).count(),
'exception_pages': Feed.objects.filter(has_page_exception=True).count(),
'duplicate_feeds': DuplicateFeed.objects.count(),
'active_feeds': Feed.objects.filter(active_subscribers__gt=0).count(),
'push_feeds': PushSubscription.objects.filter(verified=True).count(),
'exception_feeds': exception_feeds,
'exception_pages': exception_pages,
'duplicate_feeds': duplicate_feeds,
'active_feeds': active_feeds,
'push_feeds': push_feeds,
}
if __name__ == '__main__':