Performance drops over night

Bikerchris

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Mar 22, 2020
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208
I wonder if the pool is full up, near or over 95% full perhaps? Or non Intel NIC?
 

Nordlicht-13

Explorer
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Apr 2, 2022
Messages
69
Under Pools my diskpool-1 is listed as online.

I set the BIOS to the default settings. Guess that was not so good now I have just 50 MB/s after reboot.
Is there somewhere a guide for good BIOS-Setting on the HP Proliant Microserver?
 

Nordlicht-13

Explorer
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Apr 2, 2022
Messages
69
This morning I checked the speed again after 1 day uptime, it was around 30 MB/s.
Then I stopped just the SMB-Service and started it up again.
After starting the SMB again I had 110 MB/s again.
So probably it hat to do with the SMB-Service. Is there something I can tune?
 

Apollo

Wizard
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Jun 13, 2013
Messages
1,450
Are you rebooting every or so? I so, I would try to let it run over acouple of days to see if speed come back up.
One thing that comes to mind is the network settings and whether you are using LDAP or any type of failover or reundancy on the network side?

From my prospective, it seems you are running out of RAM, but from the former posts, I think this is not the case.
I suspect, maiby a jail is running some kind of network thruddling but rather doing it at jail level affects the entire system.

Can you perfom some kind of throughput test using iperf?
 

sretalla

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Samuel Tai

Never underestimate your own stupidity
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This could be ARC metadata thrashing. Try setting a sysctl-type tunable under System->Tunables of vfs.zfs.arc.meta_min=<25% of your RAM>.
 

Nordlicht-13

Explorer
Joined
Apr 2, 2022
Messages
69
Now I had the Windows 10 Notebook attached via SMB to a Ubuntu-Server.
There I dad the same issue. After a reboot of the Laptop it worked again.

Now I tried the same, connected to the TrueNAS SMB.
After "Standby" the connection is slow. Rebooting the Laptop, or setting
it into Fightmode and back brings back the normal speed around 100 MB/s.

So it has to do with the samba-connection after the Windows-PC comes
back from Standby or Hibernate.
 
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