change logback max file size

cif-service/src/main/resources/logback.xml

@@ -18,7 +18,7 @@
             <!-- rollover daily -->
             <fileNamePattern>${LOG_HOME}/log.cif.%d{yyyy-MM-dd}.%i.log</fileNamePattern>
             <!-- each file should be at most 100MB, keep 60 days worth of history, but at most 20GB -->
-            <maxFileSize>2GB</maxFileSize>
+            <maxFileSize>50MB</maxFileSize>
             <maxHistory>2</maxHistory>
         </rollingPolicy>
         <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">