[CalendarServer-changes] [7081] CalendarServer/trunk/contrib/performance/benchmarks/ unbounded_recurrence.py

source_changes at macosforge.org source_changes at macosforge.org
Fri Feb 25 07:30:54 PST 2011


Revision: 7081
          http://trac.macosforge.org/projects/calendarserver/changeset/7081
Author:   exarkun at twistedmatrix.com
Date:     2011-02-25 07:30:50 -0800 (Fri, 25 Feb 2011)
Log Message:
-----------
Add a benchmark for event creation with an unbounded recurrence.

Added Paths:
-----------
    CalendarServer/trunk/contrib/performance/benchmarks/unbounded_recurrence.py

Added: CalendarServer/trunk/contrib/performance/benchmarks/unbounded_recurrence.py
===================================================================
--- CalendarServer/trunk/contrib/performance/benchmarks/unbounded_recurrence.py	                        (rev 0)
+++ CalendarServer/trunk/contrib/performance/benchmarks/unbounded_recurrence.py	2011-02-25 15:30:50 UTC (rev 7081)
@@ -0,0 +1,89 @@
+##
+# Copyright (c) 2011 Apple Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+##
+
+"""
+Benchmark a server's handling of events with an unbounded recurrence.
+"""
+
+from uuid import uuid4
+from itertools import count
+from datetime import datetime, timedelta
+
+from _event_create import formatDate, measure as _measure
+
+DAILY_EVENT = """\
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Apple Inc.//iCal 4.0.3//EN
+CALSCALE:GREGORIAN
+BEGIN:VTIMEZONE
+TZID:America/New_York
+BEGIN:DAYLIGHT
+TZOFFSETFROM:-0500
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
+DTSTART:20070311T020000
+TZNAME:EDT
+TZOFFSETTO:-0400
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:-0400
+RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
+DTSTART:20071104T020000
+TZNAME:EST
+TZOFFSETTO:-0500
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+CREATED:20110223T184640Z
+UID:%(UID)s
+DTEND;TZID=America/New_York:%(DTEND)s
+RRULE:FREQ=WEEKLY
+TRANSP:OPAQUE
+SUMMARY:A meeting which occurs daily for several days.
+DTSTART;TZID=America/New_York:%(DTSTART)s
+DTSTAMP:20110223T184658Z
+SEQUENCE:5
+END:VEVENT
+END:VCALENDAR
+"""
+
+def makeEvent(i):
+    """
+    Create a new half-hour long event that starts soon and recurs
+    daily for the next five days.
+    """
+    now = datetime.now()
+    start = now.replace(minute=15, second=0, microsecond=0) + timedelta(hours=i)
+    end = start + timedelta(minutes=30)
+    until = start + timedelta(days=5)
+    return DAILY_EVENT % {
+        'DTSTART': formatDate(start),
+        'DTEND': formatDate(end),
+        'UID': uuid4(),
+        }
+
+
+def measure(host, port, dtrace, attendeeCount, samples):
+    calendar = "unbounded-recurrence"
+    organizerSequence = 1
+
+    # An infinite stream of recurring VEVENTS to PUT to the server.
+    events = ((i, makeEvent(i)) for i in count(2))
+
+    return _measure(
+        calendar, organizerSequence, events,
+        host, port, dtrace, samples)
+
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