Exclude partially cached .cfs file from SearchableSnapshotDirectoryStatsTests #70018
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…atsTests (elastic#70006) Since elastic#69861 CFS files read from FrozenIndexInput create dedicated frozen shared cache files when they are sliced. This does not play well with some tests that use the randomReadAndSlice to read files: this method can create overlapping slice/clone reads operations which makes it difficult to assert anything about CFS files with partial cache. This commit prevent the tests to generate a .cfs file name when the partial cache is randomly picked up. As a follow up we should rework those test to make them more realistic with the new behavior. Closes elastic#70000
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Since #69861 CFS files read from FrozenIndexInput create
dedicated frozen shared cache files when they are sliced.
This does not play well with some tests that use the
randomReadAndSlice to read files: this method can create
overlapping slice/clone reads operations which makes it
difficult to assert anything about CFS files with partial cache.
This commit prevent the tests to generate a .cfs file name
when the partial cache is randomly picked up. As a follow
up we should rework those test to make them more realistic
with the new behavior.
Backport of #70006
Closes #70000