tl/dr: Many plugins I've been using for almost a year have suddenly started taking forever to query, which is killing my server performance. I have no idea why. If anyone has any insight, it would be greatly appreciated. Examples below.

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I've had my server running for almost a year, and I've been with my current host for about 6 months. I've not any issues with my currently installed plugins until the May update. Since then, a good amount of them that I've been using without issues have started taking longer and longer to query. I only have a few installed and most of them are just for logging or other admin purposes.

This is what it has started looking like:

(16:39:19) | Calling 'OnItemAddedToContainer' on 'LootLogs v0.1.4' took 806ms
(16:39:20) | Calling 'OnItemAddedToContainer' on 'LootLogs v0.1.4' took 934ms
(16:39:21) | Calling 'OnItemAddedToContainer' on 'LootLogs v0.1.4' took 1490ms
(16:39:22) | Calling 'OnItemAddedToContainer' on 'LootLogs v0.1.4' took 986ms
(16:39:23) | Calling 'OnItemAddedToContainer' on 'LootLogs v0.1.4' took 918ms
(16:39:26) | Calling 'OnItemAddedToContainer' on 'LootLogs v0.1.4' took 2772ms
(16:39:28) | Calling 'OnItemRemovedFromContainer' on 'LootLogs v0.1.4' took average 7906ms

(14:43:53) | Calling 'OnUserChat' on 'UFilter v5.0.5' took 12370ms

(19:12:02) | Calling 'OnPlayerInit' on 'CombatLogDb v1.1.0' took 9737ms​

This causes the server to rubberband the entire time, which is becoming quite annoying. Some plugins are seemingly unaffected, but enough of them have started acting up out of nowhere to lead me to believe any individual plugin could be at fault.
This has not been an issue before. Sometimes it will be so bad that it can take up to 25 seconds, kicking everyone from the server.

LootLogs is the worst, because it is called so many times and so often, but most others are just as bad. I even 'optimized' it by removing over half of what it used to log (without problems), and it made zero difference.

I'm just curious as to what this is about. Is it Oxide? Is it that these plugins truly did "go bad" all of a sudden? Could this be an issue with my server host? They claim they are having no issues and I shouldn't be seeing this. Keep in mind, I've made no major changes to the server and none of these plugins have been updated or changed since I installed them. Entity count is the same as always, as is the relatively low player count. Does anyone have any ideas?

There have been no changes on our end in many months. A hook warning generally just means something too longer than expected to perform and not always a cause for concern. If you are seeing that many from all sorts of plugins though, they would indicate the server itself is performing poorly.

Ah, okay. I didn't know that. My host assures me they've been having no problems on their end, but I guess that may not be the case. I was looking into moving from a shared host to a dedicated server soon, I hope it makes a difference. If it's not Oxide or the plugins themselves, then that seems to be the obvious answer.

I may not necessarily be the server hardware, but just the game server performance at that time.

This has been going on every day for a couple months now though. All my plugins and server settings are the same, as is the entity and player count, map size, etc. I can't think of anything else that may be causing it. A few months ago I had no issues; these plugins were almost never being called, and when they were, it took less than a second or two on average. Then just out of nowhere last wipe this all started happening, and I can't figure out why.

I'd generally recommend narrowing down the plugins used individually to see if performance improves. Might just be one plugin causing issues for the rest.

I tested loading all of them individually, and it made no difference unfortunately. I'm still getting hook warnings and rubberbanding. It seems to have gotten significantly worse again after this update.

I only have this issue with ServerRewards

A shame because its the best shop out there