Excessive memory use or memory fragmentation when unpickling many small objects

未关闭

#80,875 创建于 2019年4月21日 8 条评论 0 个 reaction 已指派 0 人在 GitHub 查看

还没有人认领这个 Issue。

评估

难度: 4/5
预计耗时: 3-5 天
新手友好度: 25/100

Issue 类型: 缺陷
描述清晰度: 基本清楚
活跃度: 停滞
技术栈: python
领域: performance

调研方向

首先检查链接的 PR #13036 以及附带的 load.py、common.py 和 dump.py 文件。针对大量小对象重现报告的内存行为，然后将结果与拟议的更改进行比较。当过度的内存使用或碎片化问题得到解决，并且相关的性能行为得到覆盖时，即视为完成。

由索引模型根据 Issue 内容生成。

描述

3.12 performance stdlib

BPO	36694
Nosy	@pitrou, @avassalotti, @methane, @serhiy-storchaka, @Paul-E
PRs	python/cpython#13036
Files	load.py common.py dump.py

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

Show more details

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-04-21.17:11:20.009>
labels = ['3.8', 'library', 'performance']
title = 'Excessive memory use or memory fragmentation when unpickling many small objects'
updated_at = <Date 2019-05-02.16:43:18.896>
user = 'https://github.com/Paul-E'

bugs.python.org fields:

activity = <Date 2019-05-02.16:43:18.896>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-04-21.17:11:20.009>
creator = 'Ellenbogen'
dependencies = []
files = ['48279', '48280', '48282']
hgrepos = []
issue_num = 36694
keywords = ['patch']
message_count = 8.0
messages = ['340615', '340616', '340617', '341179', '341181', '341193', '341251', '341284']
nosy_count = 5.0
nosy_names = ['pitrou', 'alexandre.vassalotti', 'methane', 'serhiy.storchaka', 'Ellenbogen']
pr_nums = ['13036']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'resource usage'
url = 'https://bugs.python.org/issue36694'
versions = ['Python 3.8']

主要语言: Python
星标: 77.2k
派生: 36k
平均合并: 1 天 9 小时
30 天内合并 PR: 558