May 26, 2018

Deferred logs and timers

I believe a lot of log processing is done too early.

This module lets you defer log processing in two ways

  • Defer recording of log messages until some “transaction” has completed

    Typically this transaction is something like an HTTP request or a cron job. Generally log messages are easier to read if they are recorded atomically and are not intermingled with log messages created by other transactions.

  • Defer rendering of log messages

    Sometimes you don’t know how logs should be rendered until long after the message has been written. If you aren’t sure what information you’ll want to display, or you expect to display the same logs in multiple formats, it makes sense to store your logs in a highly structured format so they can be reliably parsed and processed later.

This module doesn’t actually write out logs! To use this module for normal logging purposes you also need a logging library.

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