[Spread-users] Spread eating 90% of CPU
Peter Spreadborough
pspreadborough at revasystems.com
Thu May 26 10:13:36 EDT 2005
Spread Users,
I have now seen two instances of Spread on one machine continuously
burning 90% of the CPU. This state does not readily occur, only after
several hours of very heavy machine use (Note that Spread is running
with a higher priority than all other applications on the same machine
but spurious disconnects still occasionally occur). Once in this state
Spread must be stopped and re-started to recover. The following
spmonitor output shows that machine prfx9 is incrementing the "rounds"
counter by 100s of 1000s per status query. Has anyone else experienced
such behavior or have a fix for this?
Thanks,
Pete
Monitor> Monitor: send status query
============================
Status at prfx9 V 3.17. 3 (state 6, gstate 1) after 85711 seconds :
Membership : 2 procs in 1 segments, leader is prfx9
rounds : -1219804354 tok_hurry : 1254734 memb change: 7
sent pack: 10914236 recv pack : 3819298 retrans : 13134
u retrans: 13134 s retrans : 0 b retrans : 0
My_aru : 3119900 Aru : 3119900 Highest seq: 3119894
Sessions : 5 Groups : 6 Window : 60
Deliver M: 2366292 Deliver Pk: 14847341 Pers Window: 15
Delta Mes: -3829347 Delta Pack: -14567869 Delta sec : 3919
==================================
Monitor>
============================
Status at prfx8 V 3.17. 3 (state 1, gstate 1) after 81802 seconds :
Membership : 1 procs in 1 segments, leader is prfx8
rounds : 20914354 tok_hurry : 5012211 memb change: 4
sent pack: 20917475 recv pack : 9520677 retrans : 1307
u retrans: 1307 s retrans : 0 b retrans : 0
My_aru : 17691521 Aru : 17691521 Highest seq: 17691521
Sessions : 5 Groups : 6 Window : 60
Deliver M: 6196295 Deliver Pk: 30532096 Pers Window: 15
Delta Mes: 3830003 Delta Pack: 14571621 Delta sec : -3909
==================================
Monitor> Monitor: send status query
============================
Status at prfx9 V 3.17. 3 (state 6, gstate 1) after 85721 seconds :
Membership : 2 procs in 1 segments, leader is prfx9
rounds : -1219319569 tok_hurry : 1254734 memb change: 7
sent pack: 10914236 recv pack : 3819298 retrans : 13134
u retrans: 13134 s retrans : 0 b retrans : 0
My_aru : 3119900 Aru : 3119900 Highest seq: 3119894
Sessions : 5 Groups : 6 Window : 60
Deliver M: 2366292 Deliver Pk: 14847341 Pers Window: 15
Delta Mes: -3830003 Delta Pack: -14571621 Delta sec : 3919
==================================
Monitor>
============================
Status at prfx8 V 3.17. 3 (state 1, gstate 1) after 81812 seconds :
Membership : 1 procs in 1 segments, leader is prfx8
rounds : 20916345 tok_hurry : 5012704 memb change: 4
sent pack: 20919682 recv pack : 9520677 retrans : 1307
u retrans: 1307 s retrans : 0 b retrans : 0
My_aru : 17693728 Aru : 17693728 Highest seq: 17693728
Sessions : 5 Groups : 6 Window : 60
Deliver M: 6196806 Deliver Pk: 30534303 Pers Window: 15
Delta Mes: 3830514 Delta Pack: 14573828 Delta sec : -3909
==================================
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