Logging different log levels to different appenders with logback

Assume a scenario where you want debug messages to be logged a different file than the main one that captures messages above info log level. The way to configure this is quite different especially when you come from a log4j background.

Troubleshooting file leaks in java applications

Recently I was diagnosing a production issue related file handle leaks. The setup was as follows – There were two applications. Application A was an ETL process that loaded the input file into the system and Application B that deleted these input files after A completes. Application B randomly failed with an error that stated that the file was still being used by another process.

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