runtime-config-linux: Add info to clarify oom_score_adj (carrying #236) #292
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Signed-off-by: ChengTiesheng <[email protected]>
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“oom_score_adj” should probaby be “oom_score_adj” or “oom_score_adj”. And maybe reword to:
oom_score_adjadjusts the kernel's process evaluation during memory pressure.
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On Tue, Jan 05, 2016 at 12:47:42PM -0800, Vincent Batts wrote:
but it is per process
Right. I just think “sets heuristic regarding how the process is
evaluated by the kernel” could be condensed without losing
information. How about something closer to the kernel's §3.1 lead in
1:
oom_score_adj adjusts the OOM-killer badness heuristic for this
process.
?
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Signed-off-by: Vincent Batts <[email protected]>
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LGTM |
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lgtm |
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LGTM |
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runtime-config-linux: Add info to clarify oom_score_adj (carrying #236)
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The only discussion related to this is in [1,2], where the relationship between oomScoreAdj and disableOOMKiller is raised. But since 429f936 (Adding cgroups path to the Spec, 2015-09-02, opencontainers#137) resources has been tied to cgroups, and oomScoreAdj is not about cgroups. For example, we currently have (in config-linux.md): You can configure a container's cgroups via the resources field of the Linux configuration. I suggested we move the property from linux.resources.oomScoreAdj to linux.oomScoreAdj so config authors and runtimes don't have to worry about what cgroupsPath means if the only entry in resources is oomScoreAdj. Michael responded with [4]: If anything it should probably go on the process So that's what this commit does. [1]: opencontainers#236 [2]: opencontainers#292 [3]: opencontainers#137 [4]: opencontainers#782 (comment) Signed-off-by: W. Trevor King <[email protected]>
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The only discussion related to this is in [1,2], where the relationship between oomScoreAdj and disableOOMKiller is raised. But since 429f936 (Adding cgroups path to the Spec, 2015-09-02, opencontainers#137) resources has been tied to cgroups, and oomScoreAdj is not about cgroups. For example, we currently have (in config-linux.md): You can configure a container's cgroups via the resources field of the Linux configuration. I suggested we move the property from linux.resources.oomScoreAdj to linux.oomScoreAdj so config authors and runtimes don't have to worry about what cgroupsPath means if the only entry in resources is oomScoreAdj. Michael responded with [4]: If anything it should probably go on the process So that's what this commit does. I've gone with the four-space indents here to keep Pandoc happy (see 7795661 (runtime.md: Fix sub-bullet indentation, 2016-06-08, opencontainers#495), but have left the existing entries in this list unchanged to reduce churn. [1]: opencontainers#236 [2]: opencontainers#292 [3]: opencontainers#137 [4]: opencontainers#782 (comment) Signed-off-by: W. Trevor King <[email protected]>
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The only discussion related to this is in [1,2], where the relationship between oomScoreAdj and disableOOMKiller is raised. But since 429f936 (Adding cgroups path to the Spec, 2015-09-02, opencontainers#137) resources has been tied to cgroups, and oomScoreAdj is not about cgroups. For example, we currently have (in config-linux.md): You can configure a container's cgroups via the resources field of the Linux configuration. I suggested we move the property from linux.resources.oomScoreAdj to linux.oomScoreAdj so config authors and runtimes don't have to worry about what cgroupsPath means if the only entry in resources is oomScoreAdj. Michael responded with [4]: If anything it should probably go on the process So that's what this commit does. I've gone with the four-space indents here to keep Pandoc happy (see 7795661 (runtime.md: Fix sub-bullet indentation, 2016-06-08, opencontainers#495), but have left the existing entries in this list unchanged to reduce churn. [1]: opencontainers#236 [2]: opencontainers#292 [3]: opencontainers#137 [4]: opencontainers#782 (comment) Signed-off-by: W. Trevor King <[email protected]>
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This is carrying #236, but deferring the description to the linux docs.