Details
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Bug
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Resolution: Duplicate
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Major
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None
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None
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None
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3
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9223372036854775807
Description
Large CPU usage found during obdecho-survey test. Based on profiling, page allocation is result of it. Looking in lustre logs, lu_env used to store paged don't reused and allocated for each call. as obdecho env already uses an CL tag, it good to reuse a cl env cache as similar as does for md operations.