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Poor Disk Write Performance on The Same Hardware With RHCK/UEK Kernel and Patches for CVE-2017-5753 (Spectre v1), CVE-2017-5715 (Spectre v2), and CVE-2017-5754 (Meltdown) (Doc ID 2466092.1)

Last updated on JULY 02, 2019

Applies to:

Linux OS - Version Oracle Linux 7.4 and later
Linux x86-64


On : Oracle Linux 7.4 version

Inconsistent disk write performance on the same hardware with 4.1.12-94.3.9.el7uek.x86_64 and 3.10.0-693.11.6.el7.x86_64

The issue can be reproduced at will with the following steps:


On UEK 4.1.12-94.3.9.el7uek.x86_64




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