Dotaz: NFS performance rhel7 vs rhe6

[drunkezz]

Caues mam zaujimavy problem

mam dva boxy

box1 rhel7.X moutnute NFS z netappu

mount optiony

nfs rw,noatime,vers=3,rsize=65536,wsize=65536,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=172.24.244.40,mountvers=3,mountport=635,mountproto=udp,local_lock=none,addr=172.24.244.40 0 0
nfs rw,noatime,vers=3,rsize=65536,wsize=65536,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountvers=3,mountport=635,mountproto=udp,local_lock=none 0 0

 

 

a box2 rhel6.x ten isty share

mount optiony

nfs rw,vers=3,rsize=65536,wsize=65536,hard,proto=tcp,timeo=600,retrans=2,sec=sys,addr=nas_prod_live_appl 0 0

Problem je v rozdielnom spravami pri listovani suborov/adresarov
ls -lsa
box1: 1m5.184s
box2: 1m11.025s
-------------------------------------------------
time find . -maxdepth 1 -noleaf -type f > /dev/null

prvy krat

box1:0m59.248s
box2:1m3.450s

kazdy dalsi krat

box1: 1m4.435s (okolo tohto casu)
box2: 0m1.244s (+-tiez)

proste ten find na druhom boxe (tom 6.x) je nasobne rychlejsi, akoby sa jednalo o nejake cachovanie, to NFS je relativne plne nejakych 40000 files je v -maxdepth 1 a nove fajly pribudaju malo (par za hodinu)

Viete ma mozno postrcit?
Dakujem
D.

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Odpovědi

[drunkezz]

mala oprava

box2 je rhel5.11

D.

[Käyttäjä 11133]

OK SELUX

strace ukazal rozdielny pristup findu pri selinux disabled a selinux permissive (logicky)

performance hit tam bol

D.