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Re: jdbc performance in Solaris

From: Joe Smith <nospam_at_nospam.com>
Date: Fri, 14 Jan 2005 15:47:25 +0100
Message-ID: <41e7db79$0$25801$8fcfb975@news.wanadoo.fr>


Sorry for the long post coming...

> What JDK version are you using? What I have on my mind is Metalink
> Note:189258.1. It may not be relevant though. Show us the output of
> these commands:
>

java version "1.4.2_04"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_04-b05) Java HotSpot(TM) Client VM (build 1.4.2_04-b05, mixed mode)

> uname -a

SunOS HOSTNAME 5.8 Generic_108528-27 sun4u sparc SUNW,Sun-Fire-V210

> pmap -x <one java process ID>

 Address   Kbytes Resident Shared Private Permissions       Mapped File
00010000      40      40      40       - read/exec         java
00028000       8       8       -       8 read/write/exec   java
0002A000    5152    5096    4872     224 read/write/exec     [ heap ]
F1078000      40      40       8      32 read/write/exec     [ anon ]
F1178000      40      40      40       - read/write/exec     [ anon ]
F1200000     992     528     528       - read/shared       dev:32,7
ino:13911
F1300000     704     264     264       - read/shared       dev:32,7
ino:13911
F1400000    2176    2176    1632     544 read/write/exec     [ anon ]
F1B10000    2160    1608    1560      48 read/write/exec     [ anon ]
F5400000    6656    6568    6416     152 read/write/exec     [ anon ]
F9500000    1632    1624    1624       - read/shared       dev:32,7
ino:12730
F9700000     752     232     232       - read/shared       dev:32,5
ino:18127
F9800000    1792    1464    1456       8 read/write/exec     [ anon ]
FB980000       8       8       -       8 read/write/exec     [ anon ]
FBA7E000      16      16       8       8 read/write/exec     [ anon ]
FBB80000       8       8       -       8 read/write/exec     [ anon ]
FBC00000    5480    2400    2400       - read/shared       dev:32,5
ino:51396
FC280000       8       8       -       8 read/write/exec     [ anon ]
FC37A000      32      32      24       8 read/write/exec     [ anon ]
FC3A0000     320     248     248       - read/shared       dev:32,7
ino:13911
FC400000   26216   15288   15288       - read/shared       dev:32,5
ino:51438
FDDA0000      56      56      56       - read/exec         libnet.so
FDDBC000      16      16      16       - read/write/exec   libnet.so
FDDD0000     168      40      40       - read/shared       dev:32,7
ino:13911
FDE7A000      32      32      24       8 read/write/exec     [ anon ]
FDEA0000     352     200     200       - read/shared       dev:32,7
ino:13911
FDF80000       8       8       -       8 read/write/exec     [ anon ]
FDFB0000     264      32      32       - read/shared       dev:32,7
ino:13911
FE000000    4008    2928    2928       - read/exec         libjvm.so
FE3FA000     128     128      88      40 read/write/exec   libjvm.so
FE41A000      56      56      56       - read/write/exec   libjvm.so
FE440000      32      32      32       - read/shared       dev:32,7
ino:13911
FE450000     160     152     152       - read/shared       dev:32,7
ino:12729
FE480000     264     184     184       - read/shared       dev:32,5
ino:18130
FE4D0000      56      32      32       - read/shared       dev:32,5
ino:18127
FE4F0000      16      16      16       - read/shared       dev:32,5
ino:18127
FE500000     112     112     112       - read/shared       dev:32,5
ino:18127
FE520000      16      16      16       - read/write/exec     [ anon ]
FE550000       8       8       8       - read/write/exec     [ anon ]
FE580000      32      32      32       - read/write/exec     [ anon ]
FE610000      24      24       -      24 read/write/exec     [ anon ]
FE630000      16      16       8       8 read/write/exec     [ anon ]
FE650000       8       8       8       - read/write/exec     [ anon ]
FE660000      72      40      40       - read/shared       dev:32,5
ino:51326
FE680000     880     696     696       - read/shared       dev:32,5
ino:51439
FE770000      64      64      64       - read/exec         libzip.so
FE780000       8       8       8       - read/write/exec   libzip.so
FE790000     136     128     128       - read/exec         libjava.so
FE7C2000       8       8       8       - read/write/exec   libjava.so
FE7D0000      88      88      88       - read/exec         libverify.so
FE7F6000       8       8       8       - read/write/exec   libverify.so
FE802000       8       8       8       - read/write/exec     [ anon ]
FE904000       8       8       8       - read/write/exec     [ anon ]
FEA06000       8       8       8       - read/write/exec     [ anon ]
FEB08000       8       8       8       - read/write/exec     [ anon ]
FEC0A000       8       8       8       - read/write/exec     [ anon ]
FED0C000       8       8       8       - read/write/exec     [ anon ]
FEE0E000       8       8       8       - read/write/exec     [ anon ]
FEF0C000       8       8       -       8 read/write/exec     [ anon ]
FEF10000       8       8       8       - read/write/exec     [ anon ]
FF00E000       8       8       8       - read/write/exec     [ anon ]
FF020000      88      80      80       - read/shared       dev:32,5
ino:51325
FF040000      16      16      16       - read/write/shared dev:0,2
ino:237999
FF050000       8       8       -       8 read/write/exec     [ anon ]
FF060000      40      32      32       - read/exec         libhpi.so
FF07A000       8       8       8       - read/write/exec   libhpi.so
FF07C000       8       -       -       - read/write/exec   libhpi.so
FF090000      16      16      16       - read/exec         libmp.so.2
FF0A4000       8       8       8       - read/write/exec   libmp.so.2
FF0B0000       8       8       8       - read/exec         libsched.so.1
FF0C2000       8       8       8       - read/write/exec   libsched.so.1
FF0D0000      88      40      40       - read/exec         libm.so.1
FF0F4000       8       8       8       - read/write/exec   libm.so.1
FF100000     568     440     440       - read/exec         libnsl.so.1
FF19E000      40      40      32       8 read/write/exec   libnsl.so.1
FF1A8000      24      16      16       - read/write/exec   libnsl.so.1
FF1C2000       8       8       8       - read/write/exec     [ anon ]
FF1D0000       8       8       -       8 read/write/exec     [ anon ]
FF1E0000      40      40      40       - read/exec         libsocket.so.1
FF1FA000       8       8       8       - read/write/exec   libsocket.so.1
FF200000     688     632     632       - read/exec         libc.so.1
FF2BC000      32      32      16      16 read/write/exec   libc.so.1
FF2D0000      48      40      40       - read/exec         libCrun.so.1
FF2EA000       8       8       8       - read/write/exec   libCrun.so.1
FF2EC000      16       8       8       - read/write/exec   libCrun.so.1
FF300000       8       8       8       - read/exec         libw.so.1
FF314000       8       8       8       - read/write/exec     [ anon ]
FF320000       8       8       8       - read/write/exec/shared   [ anon ]
FF330000       8       8       8       - read/exec         libc_psr.so.1
FF340000     112     112     112       - read/exec         libthread.so.1
FF36C000       8       8       -       8 read/write/exec   libthread.so.1
FF36E000      48      48       -      48 read/write/exec   libthread.so.1
FF380000       8       8       -       8 read/write/exec     [ anon ]
FF390000       8       8       8       - read/exec         libdl.so.1
FF3A0000       8       8       8       - read/shared       dev:32,4
ino:16376
FF3B0000     160     160     160       - read/exec         ld.so.1
FF3E6000      16      16       -      16 read/write/exec   ld.so.1
FFB70000      24       -       -       - -                   [ anon ]
FFBE0000      64      64      56       8 read/write/exec     [ stack ]
-------- ------ ------ ------ ------ total Kb 63688 44920 43640 1280

> ls -lLi /usr/lib/libthread.so*

485332 -rwxr-xr-x 1 root bin 183496 Dec 10 2003 /usr/lib/libthread.so
485332 -rwxr-xr-x 1 root bin 183496 Dec 10 2003 /usr/lib/libthread.so.1

> ls -lLi /usr/lib/lwp/libthread.so*

349651 -rwxr-xr-x 1 root bin 148448 Dec 10 2003 /usr/lib/lwp/libthread.so
349651 -rwxr-xr-x 1 root bin 148448 Dec 10 2003 /usr/lib/lwp/libthread.so.1

> cat /etc/passwd

XXXXXXXX
;)

Problems with the thread model, perhaps?

Thanks for your time Received on Fri Jan 14 2005 - 08:47:25 CST

Original text of this message

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