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Vitaliy Gusev

  • Login: vgusev
  • Email: gusev.vitaliy@icloud.com
  • SSH Key:

    ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC2lW2iODakpIw7+b2i1cWJHus8AJUhfN/+U2gcf2pdJR4WH+Iu182Js3p5WTQ8RTEiLWA+SIiBhIuw/vZZo4Wy9zVuI6Yo+D0w6+RhAtV6KhTylOCQ9ZB0fquWPZRlmb7fPMo5G6ymjC7J1A4NG82ATu4F0ACJozQibxPyW8EFqfFg0r0YmxU/cbuiFA8xYghIQcuP+nbUQT1rPk4V1aGbn3IbNi91CKkSweXzrpx6YwNxLBp7p9qalt/4dohPnDf6kC6eGsP/pwdZJFrbCWXXzQUAq2xUV8JXWbyaw59YqpKiRxBXDazDzeIuf1sv5BcMg6EEmhOPR/4wzGc7tc99 vetal@vT510

  • Registered on: 2010-11-16
  • Last connection: 2021-09-21

Issues

open closed Total
Assigned issues 10 22 32
Reported issues 14 17 31

Projects

Project Roles Registered on
illumos gate Developer, Reporter 2011-06-13

Activity

2021-08-01

09:43 PM illumos gate Bug #13990 (New): nfssrv: get rid of one crget for nfsv4
Before fixed #13848 there were 3 crdup/crget calls per NFSv4 request (in general) and one for NFSv3.
After fix of ...
Vitaliy Gusev

2021-06-28

07:33 AM illumos gate Bug #13848: nfssrv: excessive crdup/crfree cause bottleneck after fixing 6770
DEBUG build works w/o panics. And kmem-cache shows no increasing creds:... Vitaliy Gusev

2021-06-04

08:07 PM illumos gate Bug #13848: nfssrv: excessive crdup/crfree cause bottleneck after fixing 6770
h3. For NFSv4 code.
With patched NFSv4.x code shows ~10% increasing iops. For the instance,
on 2-socket system Xeo...
Vitaliy Gusev

2021-06-02

05:28 PM illumos gate Bug #13848 (Closed): nfssrv: excessive crdup/crfree cause bottleneck after fixing 6770
crget/crdup/crfree are heavy as they calls zone_cred_hold/zone_cred_fini functions and those takes zone's mutex. Eff... Vitaliy Gusev

2021-01-28

08:30 PM illumos gate Bug #7454: renaming of mount points should not be allowed
It seems better is moving check to zfs_rename(), because local renaming is checked fine, but if do renaming from SMB/... Vitaliy Gusev

2020-07-06

12:31 AM illumos gate Bug #12747: sigsetjmp should allow for 8 byte aligned buffer on amd64
h1. Testing
h1. Step 1
Apply intel-mtune.patch and compile, install. And boot....
Vitaliy Gusev

2020-07-05

04:46 PM illumos gate Bug #12747: sigsetjmp should allow for 8 byte aligned buffer on amd64
To reproduce segfault intel-mtune.patch should be applied. Vitaliy Gusev

2020-06-23

09:57 PM illumos gate Bug #12747: sigsetjmp should allow for 8 byte aligned buffer on amd64
Joshua M. Clulow wrote:
> I was curious about how exactly we end up with this alignment, so I looked into it a littl...
Vitaliy Gusev

2020-05-23

05:02 AM illumos gate Bug #12747: sigsetjmp should allow for 8 byte aligned buffer on amd64
Segfaults occur when compile libc for AMD64 with @-mtune=intel -m64@ options.
Disassemble of __csigsetjmp(sigjmp_b...
Vitaliy Gusev

2020-05-18

03:11 PM illumos gate Bug #12747 (Closed): sigsetjmp should allow for 8 byte aligned buffer on amd64
mdb segfaults if libc compiled with -mtune=intel option on amd64 arch with SSE2 optimisation.
If compile with gcc-...
Vitaliy Gusev

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