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在集群机器异构的场景下，存在调度不均匀的现象 #25

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zmberg opened this issue May 16, 2019 · 2 comments
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在集群机器异构的场景下，存在调度不均匀的现象 #25

zmberg opened this issue May 16, 2019 · 2 comments
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confirmed issue is confirmed enhancement New feature or request inner issue comes from Tencent side planning issue is under planning
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1.18.x

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zmberg commented May 16, 2019

当集群中的机器存在大量异构机器的场景下，例如：16核cpu+64GMem，48核cpu+512GMem，集群中的容器调度有可能存在不均匀的情况。
@zmberg zmberg self-assigned this May 16, 2019
@zmberg zmberg added the enhancement New feature or request label May 16, 2019
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zmberg commented May 16, 2019

目前的调度策略默认是按照资源剩余量来调度的，例如：cpu剩余核数的大小，优先调度到cpu剩余核数多的机器上面。
这就存在一种场景，假设一共有两台机器slave1: 48cpu，512GMem；slave2: 16核cpu，64GMem，
逐渐的调度10个容器，每个容器使用1cpu，2Gmem。由于优先调度到cpu剩余核数多的机器上面，导致所有的容器都调度到slave1机器上面，存在调度不均匀的场景

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zmberg commented May 16, 2019 •
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调整策略：按照资源剩余百分比来调度，而不是资源剩余绝对值。

@DeveloperJim DeveloperJim added confirmed issue is confirmed inner issue comes from Tencent side planning issue is under planning labels May 29, 2019
@DeveloperJim DeveloperJim removed this from the 1.14.x功能迭代 milestone Sep 17, 2019
@DeveloperJim DeveloperJim added this to the 1.15.x功能迭代 milestone Sep 30, 2019
zmberg added a commit to zmberg/bk-bcs that referenced this issue Jul 14, 2020
@zmberg
feature: 集群机器异构的场景下，存在调度不均匀的现象 TencentBlueKing#25
f0761fa
zmberg added a commit to zmberg/bk-bcs that referenced this issue Aug 7, 2020
@zmberg
feature: 集群机器异构的场景下，存在调度不均匀的现象 TencentBlueKing#25
923f698
ifooth pushed a commit to ifooth/bk-bcs that referenced this issue Apr 10, 2024
@AlkaidChan
style: fix golang copyright header (TencentBlueKing#25)
052d719 
* style: fix golang copyright header

* fix: lint

* fix: lint
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