anmolanmol1234 opened a new pull request, #7303:
URL: https://github.com/apache/hadoop/pull/7303
… (#6314)
Adds support for metric collection at the filesystem instance level. Metrics
are pushed to the store upon the closure of a filesystem instance, encompassing
all operations that utilized that specific instance.
Collected Metrics:
- Number of successful requests without any retries.
- Count of requests that succeeded after a specified number of retries (x
retries).
- Request count subjected to throttling.
- Number of requests that failed despite exhausting all retry attempts. etc.
Implementation Details:
Incorporated logic in the AbfsClient to facilitate metric pushing through an
additional request. This occurs in scenarios where no requests are sent to the
backend for a defined idle period. By implementing these enhancements, we
ensure comprehensive monitoring and analysis of filesystem interactions,
enabling a deeper understanding of success rates, retry scenarios, throttling
instances, and exhaustive failure scenarios. Additionally, the AbfsClient logic
ensures that metrics are proactively pushed even during idle periods,
maintaining a continuous and accurate representation of filesystem performance.
Contributed by Anmol Asrani
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