In the CoreSettings.config file you may noticed some settings that uses "upgradeif" setting. For example: <customSetting key="MaxConcurrentSlowMsgsThreadPoolSize" type="local" value="4" upgradeIf="gt" />
upgradeif indicates if a core setting will be updated during upgrade (by default settings are not upgraded, only new ones will be inserted).
There is 3 options now:
gt – the setting will be updated to new value if old value is greater than new
lt – the setting will be updated to new value if old value is less than new
ne – the setting will be updated to new value if old value does not equal to new
Example: “gt” means that our value will take over the customer’s if its greater than it, i.e. if there was a value of “2” previously, but our new one is “4” in 7.5 with this option – we will override. But if customer set it to 10 before, and ours only 4 – we will not change.
Imported Document ID: HOWTO93202
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