Michael McCandless created LUCENE-8884:
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Summary: Add Directory wrapper to track per-query IO counters
Key: LUCENE-8884
URL: https://issues.apache.org/jira/browse/LUCENE-8884
Project: Lucene - Core
Issue Type: Improvement
Components: core/store
Reporter: Michael McCandless
Lucene's IO abstractions ({{Directory, IndexInput/Output}}) make it really easy
to track counters of how many IOPs and net bytes are read for each query, which
is a useful metric to track/aggregate/alarm on in production or dev benchmarks.
At my day job we use these wrappers in our nightly benchmarks to catch any
accidental performance regressions.
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