Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC)

2020-01-22 Thread Pinkesh Valdria
discuss@lists.lustre.org" Subject: Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC) >From what I can see I think you just ran the wrong command (lctl list_param -R >* ) or it doesn’t work as you expected on 2.12.3. But llite params are sure there on a

Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC)

2019-12-13 Thread Pinkesh Valdria
ient/ gpgcheck=0 EOF yum install lustre-client -y reboot From: "Moreno Diego (ID SIS)" Date: Friday, December 13, 2019 at 2:55 AM To: Pinkesh Valdria , "lustre-discuss@lists.lustre.org" Subject: Re: [lustre-discuss] Degraded read performance with Large Bu

Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC)

2019-12-13 Thread Moreno Diego (ID SIS)
performance: lctl list_param -R llite | grep max_read_ahead From: Pinkesh Valdria Date: Friday, 13 December 2019 at 17:33 To: "Moreno Diego (ID SIS)" , "lustre-discuss@lists.lustre.org" Subject: Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB

Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC)

2019-12-13 Thread Pinkesh Valdria
From: "Moreno Diego (ID SIS)" Date: Friday, December 13, 2019 at 2:55 AM To: Pinkesh Valdria , "lustre-discuss@lists.lustre.org" Subject: Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC) >From what I can see they exist on my 2.12.3 client

Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC)

2019-12-11 Thread Pinkesh Valdria
nkesh Valdria , "lustre-discuss@lists.lustre.org" Subject: Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC) With that kind of degradation performance on read I would immediately think on llite’s max_read_ahead parameters on the client. Specifically these 2

Re: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC)

2019-12-10 Thread Moreno Diego (ID SIS)
ustre-discuss@lists.lustre.org" Subject: [lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC) I was expecting better or same read performance with Large Bulk IO (16MB RPC), but I see degradation in performance. Do I need to tune any other parameter to benefit from

[lustre-discuss] Degraded read performance with Large Bulk IO (16MB RPC)

2019-12-10 Thread Pinkesh Valdria
I was expecting better or same read performance with Large Bulk IO (16MB RPC),  but I see degradation in performance.   Do I need to tune any other parameter to benefit from Large Bulk IO?   Appreciate if I can get any pointers to troubleshoot further. Throughput before Read:  2563 MB/s