Avoid FD spike after retrying KafkaAdminClient #186
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A caller might call kafka.KafkaAdminClient repeatedly and handle kafka.errors.NoBrokersAvailable if the broker is not available. However, each retry will cause 3 extra FD being used. Depends on how long the caller wait before retry, the FD usage can reach 300~700 before Python garbage collector collecting those FD. This commit close those FD early.
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A caller might call kafka.KafkaAdminClient repeatedly and handle kafka.errors.NoBrokersAvailable if the broker is not available.
However, each retry will cause 3 extra FD being used. Depends on how long the caller wait before retry, the FD usage can reach 300~700 before Python garbage collector collecting those FD.
This commit close those FD early.