From 66d895a80557a7c91f4bb5ee9835606bb036ed2e Mon Sep 17 00:00:00 2001
From: Iustin Pop <iustin@google.com>
Date: Fri, 17 Jul 2009 17:16:51 +0200
Subject: [PATCH] Add __slots__ on objects in jqueue
Adding slots to _QueuedOpCode decreases memory usage (of these objects)
by roughly four times. It is a lesser change for _QueuedJobs.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>
---
lib/jqueue.py | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/lib/jqueue.py b/lib/jqueue.py
index 743870afe..78199141c 100644
--- a/lib/jqueue.py
+++ b/lib/jqueue.py
@@ -80,6 +80,10 @@ class _QueuedOpCode(object):
@ivar stop_timestamp: timestamp for the end of the execution
"""
+ __slots__ = ["input", "status", "result", "log",
+ "start_timestamp", "end_timestamp",
+ "__weakref__"]
+
def __init__(self, op):
"""Constructor for the _QuededOpCode.
@@ -152,6 +156,11 @@ class _QueuedJob(object):
@ivar change: a Condition variable we use for waiting for job changes
"""
+ __slots__ = ["queue", "id", "ops", "run_op_index", "log_serial",
+ "received_timestamp", "start_timestamp", "end_timestamp",
+ "change",
+ "__weakref__"]
+
def __init__(self, queue, job_id, ops):
"""Constructor for the _QueuedJob.
--
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