| 摘要 |
Records written to each of a number of logs, such as logs in a distributed processing system, are monitored. An index to records in the logs is generated according to the monitoring of the records. The writing of records to each of the logs is performed by a corresponding task, and the monitoring and generating are performed by one or more tasks that are separate from the tasks performing the writing of the records. When log records are removed, updating of the index can be deferred or performed according to a schedule such that the index does not reflect the removal of the log records.
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