samperson1997 opened a new pull request #1895:
URL: https://github.com/apache/iotdb/pull/1895
Change logback configuration:
* Update `rollingPolicy` from `TimeBasedRollingPolicy` to
`FixedWindowRollingPolicy` (to delete old files according to number of files)
* Add `triggeringPolicy` of `SizeBasedTriggeringPolicy` (to limit the size
of log file)
Since there is no need to maintain timestamp in log file name.
For example,
```
<rollingPolicy
class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
<fileNamePattern>${LOG_PATH}/log-error.%i.log</fileNamePattern>
<minIndex>1</minIndex>
<maxIndex>10</maxIndex>
</rollingPolicy>
<triggeringPolicy
class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
<maxFileSize>10MB</maxFileSize>
</triggeringPolicy>
```
As for log-error and log-warn, `maxFileSize` is 10MB, maxIndex is 10;
As for log-info and log-debug, `maxFileSize` is 50MB, maxIndex is 10 (As is
discussed in [this
PR](https://github.com/apache/iotdb/pull/1001#issuecomment-610445716)).
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