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0000467Anolis OS 8- cloud kernel 4.19public2021-11-03 09:422021-11-08 15:29
报告员josephqi 分派给josephqi  
优先级normal严重性minor出现频率always
状态 resolved处理状况fixed 
平台x86_64操作系统Anolis OS操作系统版本8
产品版本8.2 正式版 
目标版本8.2 正式版修正版本8.4 
标题0000467: ext4: improve delalloc buffer write performance
描述This patchset address to improve buffer write performance with delalloc. It optimize the delalloc write by removing unnecessary journal handle.

Tested in my local host:

w/o this patchset:
System Benchmarks Partial Index BASELINE RESULT INDEX
File Copy 1024 bufsize 2000 maxblocks 3960.0 468077.0 1182.0
File Copy 256 bufsize 500 maxblocks 1655.0 120039.0 725.3
File Copy 4096 bufsize 8000 maxblocks 5800.0 1564412.0 2697.3
                                                                                                 ========
System Benchmarks Index Score (Partial Only) 1322.4

w this patchset:
System Benchmarks Partial Index BASELINE RESULT INDEX
File Copy 1024 bufsize 2000 maxblocks 3960.0 729168.0 1841.3
File Copy 256 bufsize 500 maxblocks 1655.0 214042.0 1293.3
File Copy 4096 bufsize 8000 maxblocks 5800.0 2158337.0 3721.3
                                                                                                  ========
System Benchmarks Index Score (Partial Only) 2069.4

It improves unixbench fstime/fsbuffer/fsdisk by 56.49%.
标签ext4, unixbench

活动

josephqi

2021-11-08 15:29

开发人员   ~0000625

4.19：https://codeup.openanolis.cn/codeup/kernel/cloud-kernel/merge_request/27153
5.10：https://codeup.openanolis.cn/codeup/kernel/cloud-kernel/merge_request/27175

问题历史

日期 用户名 字段 更改
2021-11-03 09:42 josephqi 新建问题
2021-11-03 09:42 josephqi 状态 新建 => 已分配
2021-11-03 09:42 josephqi 分派给 => josephqi
2021-11-03 09:42 josephqi 添加标签: ext4
2021-11-03 09:42 josephqi 添加标签: unixbench
2021-11-03 09:43 josephqi 描述已修改
2021-11-08 15:29 josephqi 状态 已分配 => 已解决
2021-11-08 15:29 josephqi 处理状况 未处理 => 已修正
2021-11-08 15:29 josephqi 修正版本 => 8.4
2021-11-08 15:29 josephqi 注释已添加: 0000625