Writing logs in a distributed information system are provided. The logs are related to a transaction instance. A method includes retrieving a log proxy instance from a log server. The log proxy instance includes information related to the transaction instance and information related to currently running component in the transaction instance. The method also includes writing the logs for the transaction instance based on the log proxy instance. Aspects of the present invention further provide a method of facilitating writing logs and analyzing logs. Moreover, the embodiments further provide corresponding apparatuses and system.