Automated cherry pick of #16986 #16989
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The Get() function of non-namespace lister passes a temporary object to
indexer.Get() in order to fetch the actual object from the indexer. This
may cause Go to allocate the temporary object on the heap instead of the
stack, as it is passed into interfaces. For non-namespaced objects,
Get(&Type{ObjectMeta: v1.ObjectMeta{Name: name}}) should be equivalent
to GetByKey(name).
This could be the root cause of excessive allocations, e.g. in tests
clusterRoleLister.Get() has trigger 4 billion allocations. See
openshift#16954
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Signed-off-by: Monis Khan <mkhan@redhat.com>
Signed-off-by: Monis Khan <mkhan@redhat.com>
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[APPROVALNOTIFIER] This PR is NOT APPROVED This pull-request has been approved by: enj Assign the PR to them by writing The full list of commands accepted by this bot can be found here.
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openshift-merge-robot
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vendor-update
openshift-ci-robot
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size/L
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/kind bug |
openshift-ci-robot
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kind/bug
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/test all |
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/retest |
enj
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Automatic merge from submit-queue. |
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Tagged so stage can benefit from the reduced allocations. |
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Cherry pick of #16986 on stage.
#16986: UPSTREAM: 54257: Use GetByKey() in