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[manual] Use ujson instead of simplejson.

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This saves something like 15ms on our 1000 message get_old_messages
queries, and will save even more when we start sending JSON dumps into
our memcached system.

We need to install python-ujson on servers and dev instances before
pushing this to prod.

(imported from commit 373690b7c056d00d2299a7588a33f025104bfbca)
This commit is contained in:
Tim Abbott
2013-06-18 17:55:55 -04:00
parent 678dd502ef
commit 222ef672b5
25 changed files with 120 additions and 119 deletions
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6
zephyr/management/commands/dump_useractivity.py
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@@ -4,7 +4,7 @@ from optparse import make_option
from django.core.management.base import BaseCommand
from zephyr.models import Realm, UserActivity, get_client, \
get_user_profile_by_email
import simplejson
import ujson
from zephyr.lib.timestamp import datetime_to_timestamp, timestamp_to_datetime
def dump():
@@ -14,10 +14,10 @@ def dump():
pointers.append((activity.user_profile.email, activity.client.name,
activity.query, activity.count,
datetime_to_timestamp(activity.last_visit)))
file("dumped-activity", "w").write(simplejson.dumps(pointers) + "\n")
file("dumped-activity", "w").write(ujson.dumps(pointers) + "\n")
def restore(change):
for (email, client_name, query, count, timestamp) in simplejson.loads(file("dumped-activity").read()):
for (email, client_name, query, count, timestamp) in ujson.loads(file("dumped-activity").read()):
user_profile = get_user_profile_by_email(email)
client = get_client(client_name)
last_visit = timestamp_to_datetime(timestamp)