We would like to make the main Sitecore log file more clean,and filter away all the unnecessary information that makes finding errors and other relevant information harder. After upgrading to Sitecore 8.2 update 5 from Sitecore 7.2, we get the following message several time per second, resulting in 6+ MB log files per day.
INFO Job started: Index_Update_IndexName=sitecore_master_index
Here is an example that contains a few seconds: https://pastebin.com/raw/qjBvaFjW
So basically I have 2 questions here:
1) Is it possible to NOT log these particular messages at all? I haven't really found any examples of using the to manipulate the standard .log file.
2) Is there a way to make log messages containing specific text go to another log file, like indexupdateDATETIME.txt, instead of the log.txt?