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CPU contention - java - xcal high

Hi all,

If someone can help me to resolve this contention

Server : 8 cores (1.5 Ghz) – 32 Go de RAM

Vmstat 2 3000

kthr      memory            page            disk          faults      cpu

r b w   swap  free  re  mf pi po fr de sr s1 sd sd sd   in   sy   cs us sy id

4 0 0 17262936 20910904 1 71 4 255 251 0 0 0  0  0  0 5296 191838 11570 93 7 0

8 0 0 17258624 20904368 138 553 231 243 235 0 0 0 1 1 0 5630 326161 13561 89 11 0

78 0 0 16677992 20865144 6374 53672 1141 1105 1097 0 0 0 5 4 1 5957 274151 13427 59 41 0

125 0 0 17206880 20842312 6170 61600 1021 191 187 0 0 0 5 4 6 7431 183999 15828 44 56 0

35 0 0 17239344 20864480 3181 17299 39 673 661 0 0 0 0 0 2 8910 219453 16485 69 31 0

8 0 0 17251520 20873920 4178 3823 243 76 68 0 0 0 0 0 0 6676 404222 18217 83 17 0

5 0 0 17249136 20870312 387 2433 978 358 342 0 0 0 2 2 0 9234 45924 13427 91 9 0

13 0 0 17247368 20867104 6912 8164 318 24 20 0 0 0 3 3 6 10622 134019 16670 84 16 0

======

mdb -k

::cpuinfo -v

ID ADDR        FLG NRUN BSPL PRI RNRN KRNRN SWITCH THREAD      PROC

  0 30001a96000  1b    0    0  49   no    no t-0    3000814bc60 mdb

  1 30001a9a000  1b    0    0   0   no    no t-0    3000304e060 java

  2 30001a9e000  1b    0    0   0   no    no t-0    30003055c20 java

  3 0000180c000  1b    0    0   0   no    no t-0    30004506640 java

16 30001ab8000  1b    0    0  59   no    no t-0    30002a25620 sshd

17 30001abc000  1b    0    0   0   no    no t-0    3000391b960 java

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