How do you abort automatic network configuration setup to start fresh?

Hello all -
I am the sole user of the sole Sun workstation where I work. We recently switched from a DHCP network to one which requires static IP addresses on our machines. I did a sys-unconfig to set the network to a "blank" state and rebooted the machine. I was told to randomly select an IP address of the form 192.168.2.XX. Having done so, I managed to choose an address that was being used by another machine. So here is where the problem begins.
Now when I reboot the machine, the machine complains 3 times as follows:
"WARNING eri0 has duplicate address 192.168.2.XX (in use by 00:1d:09:76:25:da); disabled"
and then begins again to try and configure the network (asks if I have a subnet, if I want to use IPv6, etc). However, the configuration process does not start from the beginning (i.e. does not ask for a host name or static IP address, it just skips to the subnet question). As I go through this process, the system eventually says:
"The IP address previously set on the network interface is no longer available. The system state is corrupted. System identification can no longer continue. Press Return to continue".
Pressing Return simply repeats the above message and I appear to be stuck.
How can I abort the network reconfiguration process? I'd like to do a sys-unconfig once again and try a different IP address.
I'm using a SunBlade 2000 with a Sun keyboard and a Sun monitor running Solaris 10.
Thanks very much, Lynne

Boot into single user mode: "boot -sw"
If you entered everything correctly but the IP address, you can just change the IP address by editing /etc/inet/hosts and /etc/inet/ipnodes.
Otherwise run sys-unconfig again and start over.

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Hi to all,
When we use JE as following configuration, CPU utilization is consistently high ans sometimes low.
How do you recommend a JE configuration according to application construction?
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je.env.isTransactional=false
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je.log.bufferSize=20971520
je.log.numBuffers=2
je.log.fileMax=209715200
je.cleaner.minUtilization=30
je.cleaner.minFileUtilization=5
je.cleaner.threads=2
je.cleaner.lockTimeout=100000
je.cleaner.expunge=true
je.cleaner.bytesInterval=104857600
je.checkpointer.bytesInterval=104857600
je.checkpointer.highPriority=true
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          (1)CacheTotalBytes= The total amount of JE cache in use, in bytes.
          (2)DataBytes= The amount of JE cache used for holding data, keys and internal Btree nodes, in bytes
          (3)AdminBytes= The number of bytes of JE cache used for log cleaning metadata and other administrative structures
          (4)LockBytes= The number of bytes of JE cache used for holding locks and transactions.
          (5)NEvictPasses= Number of eviction passes, an indicator of the eviction activity level.
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          (7)TotalLogSize= An approximation of the current total log size in bytes.
          (8)SharedCacheTotalBytes= The total amount of the shared JE cache in use, in bytes.
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     Environment-4:(1)=174,767,092 (2)=132,776,471 (3)=47,365 (4)=216 (5)=0 (6)=185 (7)=292,163,876 (8)=0 (9)=2
     Sum of Data-store-Database.count = 1137265
- Last CPU utilization ;
     top - 10:33:58 up 102 days, 22:42, 3 users, load average: 2.55, 3.22, 3.48
     Tasks: 403 total, 1 running, 402 sleeping, 0 stopped, 0 zombie
     Cpu0 : 2.6%us, 2.3%sy, 0.0%ni, 95.1%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu1 : 6.8%us, 1.3%sy, 0.0%ni, 91.9%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu2 : 3.3%us, 0.3%sy, 0.0%ni, 96.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu3 : 8.1%us, 2.3%sy, 0.0%ni, 89.3%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu4 : 7.5%us, 2.0%sy, 0.0%ni, 90.5%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu5 : 7.5%us, 1.3%sy, 0.0%ni, 90.9%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu6 : 7.1%us, 0.6%sy, 0.0%ni, 92.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu7 : 8.4%us, 1.0%sy, 0.0%ni, 90.6%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu8 : 6.5%us, 2.3%sy, 0.0%ni, 91.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu9 : 7.5%us, 2.6%sy, 0.0%ni, 89.9%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu10 : 31.2%us, 0.3%sy, 0.0%ni, 68.2%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu11 : 2.9%us, 0.6%sy, 0.0%ni, 96.1%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu12 : 6.8%us, 0.3%sy, 0.0%ni, 92.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu13 : 9.2%us, 2.9%sy, 0.0%ni, 87.6%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu14 : 8.1%us, 0.6%sy, 0.0%ni, 91.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu15 : 12.1%us, 5.2%sy, 0.0%ni, 81.8%id, 0.0%wa, 0.0%hi, 1.0%si, 0.0%st
     Cpu16 : 2.6%us, 0.6%sy, 0.0%ni, 96.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu17 : 12.6%us, 5.5%sy, 0.0%ni, 80.3%id, 0.0%wa, 0.3%hi, 1.3%si, 0.0%st
     Cpu18 : 7.5%us, 0.6%sy, 0.0%ni, 91.9%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu19 : 11.3%us, 4.9%sy, 0.0%ni, 83.2%id, 0.0%wa, 0.0%hi, 0.6%si, 0.0%st
     Cpu20 : 6.8%us, 0.3%sy, 0.0%ni, 92.5%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu21 : 8.5%us, 8.1%sy, 0.0%ni, 82.1%id, 0.0%wa, 0.0%hi, 1.3%si, 0.0%st
     Cpu22 : 26.9%us, 0.6%sy, 0.0%ni, 72.1%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu23 : 6.5%us, 0.3%sy, 0.0%ni, 92.2%id, 0.0%wa, 0.3%hi, 0.6%si, 0.0%st
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     22509 mtsmsc 18 0 34.3g 17g 14m S 260.8 37.6 1552:12 java
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     Tasks: 400 total, 1 running, 399 sleeping, 0 stopped, 0 zombie
     Cpu0 : 7.3%us, 0.7%sy, 0.0%ni, 92.1%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu1 : 7.7%us, 2.0%sy, 0.0%ni, 90.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu2 : 1.7%us, 0.0%sy, 0.0%ni, 98.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu3 : 6.3%us, 1.3%sy, 0.0%ni, 92.1%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu4 : 2.3%us, 0.3%sy, 0.0%ni, 97.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu5 : 6.6%us, 1.3%sy, 0.0%ni, 91.7%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu6 : 27.7%us, 0.0%sy, 0.0%ni, 72.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu7 : 7.0%us, 1.0%sy, 0.0%ni, 92.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu8 : 7.6%us, 0.7%sy, 0.0%ni, 91.4%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu9 : 7.0%us, 2.7%sy, 0.0%ni, 90.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu10 : 6.3%us, 2.0%sy, 0.0%ni, 91.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu11 : 7.3%us, 2.3%sy, 0.0%ni, 90.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu12 : 3.0%us, 2.0%sy, 0.0%ni, 95.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
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     Cpu19 : 10.6%us, 4.3%sy, 0.0%ni, 84.4%id, 0.0%wa, 0.0%hi, 0.7%si, 0.0%st
     Cpu20 : 2.3%us, 0.7%sy, 0.0%ni, 96.7%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
     Cpu21 : 14.9%us, 6.6%sy, 0.0%ni, 76.8%id, 0.0%wa, 0.3%hi, 1.3%si, 0.0%st
     Cpu22 : 5.6%us, 0.3%sy, 0.0%ni, 94.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
     Cpu23 : 3.3%us, 0.7%sy, 0.0%ni, 95.7%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
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     Swap: 50331640k total, 66092k used, 50265548k free, 11654696k cached
     PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
     22509 mtsmsc 18 0 34.3g 17g 14m S 260.4 37.6 1511:00 java
Many thanks in advance.
Edited by: 906759 on Jan 16, 2012 1:12 AM

When we use JE as following configuration, CPU utilization is consistently high ans sometimes low.Do you consider this a problem? Or are you just asking for general tuning advice? Normally, high CPU utilization is considered to be a good thing.
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* What is the total/maximum size of your data set?
* What is the key size (byte length)? (I see the data size is 0.5 to 1.0 KB)
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* You mention throughput numbers (for example "%80 of inserted records will be updated 1 time in one second"). Is this a goal, or the measured value in your test, or both?
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* Calling Environment.sync is not appropriate for durability in JE 5.0, and will negatively impact performance. Instead use Environment.flushLog.
* Using multiple Environments in a single process is not recommended for maximum write performance. A single Environment with a shared cache (EnvironmentConfig.setSharedCache(true)) will result in better write throughput, because all writes are appending to the same log file and disk head movement is minimized.
* You may see better performance by using the DPL (persist package) or a custom binding, rather than SerialBinding. In general, if you find you are CPU-limited, take several thread dumps during this period too see if most threads are executing in the same place.
Performance tuning is an iterative process. Be sure to try only one change at a time to determine whether the impact is positive or negative.
--mark

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