Syncserver using heavy CPU useage

Need to know why syncserver is using a lot of my CPU. I have and Intel I5 2.6GHz with 8GB of ram. This program is using a 1/3 of the CPU. Need to know why.
Thanks

I resolved a similar situation.  I am running OS 10.6.8 and noticed my fan was on constantly.  ActivityMonitor showed the syncserver process using about 15-30% of CPU cycles, with iCal showing up suspiciously high on the CPU list.   I downloaded syncrospector v4.0 from http://goo.gl/logoG (I got that lead from http://help.jools.me/kb/21) and running that app I could see that iCal was syncing about once per second!   A bit more searching took me to http://support.apple.com/kb/TS1627, and there I found the answer. 
"If you see the Sync menu in the menu bar, skip to step 4:  "
I hadn't noticed the little icon in the menu bar, but there it was with an exclamation mark inside it.  Clicking on that I saw a message that there were "conflicts" (about 10, it turned out).   I resolved those and the syncserver problem went away. 
Now, there is probably an underlying problem, still.  Just because there are conflicts between iCal and my iPhone, iCal should not be trying to sync more than once per second.  For now, though, I am content.  I'm not going to try to figure out what was really going on.
By the way, this all started when my daughter plugged her iPhone (an old one of mine) into my laptop.  Evidently the old calendar entries on that phone for some reason conflicted with old entries on iCal.

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       Nov  6 12:29:24 smb2_smb_parssmb2_e_smbchange_pa_nrsote_chifany:ge _nosmb_tifrq_y:re smplb_y rq_fareilply failed 60
       Nov  6 12:29:24 y failed 60
       Nov  6 12:29:24 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov  6 12:29:24 q_reply failed 60
       Nov  6 12:29:24 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov  6 12:29:24 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov  6 12:29:24 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov  6 14:01:02 process discoveryd[49] thread 1259 caught burning CPU!; EXC_RESOURCE supressed due to audio playback
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       Nov  7 08:25:38 ** GPU Hardware VM is disabled (multispace: disabled, page table updates with DMA: disabled)
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       Nov 10 09:42:09 ** GPU Hardware VM is disabled (multispace: disabled, page table updates with DMA: disabled)
       Nov 10 11:20:45 process discoveryd[49] thread 1182 caught burning CPU! It used more than 50% CPU (Actual recent usage: 99%) over 180 seconds. thread lifetime cpu usage 150.526060 seconds, (126.552866 user, 23.973194 system) ledger info: balance: 90000111985 credit: 150369654672 debit: 60369542687 limit: 90000000000 (50%) period: 180000000000 time since last refill (ns): 90164134478
       Nov 10 12:14:06 PM notification timeout (pid 261, Creative Cloud)
       Nov 10 12:14:06 PM notification timeout (pid 332, Adobe CEF Helper)
       Nov 10 12:14:06 PM notification timeout (pid 333, Adobe CEF Helper)
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 y failed 60
       Nov 10 12:43:27 failed mb60
       Nov 10 12:43:27 smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 12:43:27 smb2_smb_parse_change_notify: smb_rq_reply failed 60
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       Nov 10 12:54:05 jnl: b(1, 2): replay_journal: from: 35355648 to: 40313344 (joffset 0x1721c000)
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       Nov 10 14:31:43 PM notification timeout (pid 327, Adobe CEF Helper)
       Nov 10 14:31:43 PM notification timeout (pid 324, Adobe CEF Helper)
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 : smb_rq_reply failesmbd 2_smb_60
       Nov 10 15:07:47 parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 tify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_nsotify:mb2 sm_b_rq_reply sfailmed b60
       Nov 10 15:07:47 _parse_change_notify: smbsmb2_rq__rsepmb_parsly failee_d ch60ange_notify
       Nov 10 15:07:47 : smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:47:46 process discoveryd[49] thread 1013 caught burning CPU! It used more than 50% CPU (Actual recent usage: 99%) over 180 seconds. thread lifetime cpu usage 153.503446 seconds, (128.774521 user, 24.728925 system) ledger info: balance: 90007455004 credit: 153327303891 debit: 63319848887 limit: 90000000000 (50%) period: 180000000000 time since last refill (ns): 90099512937
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       Nov 10 14:31:43 PM notification timeout (pid 324, Adobe CEF Helper)
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       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 : smb_rq_reply failesmbd 2_smb_60
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       Nov 10 15:07:47 tify: smb_rq_reply failed 60
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       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
       Nov 10 15:07:47 smb2_smb_parse_change_notify: smb_rq_reply failed 60
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    Daemons
       com.apple.installer.osmessagetracing
       com.microsoft.office.licensing.helper
       com.adobe.fpsaud
    Agents
       com.adobe.CS4ServiceManager
       com.adobe.AdobeCreativeCloud
       com.adobe.ARM.UUID
       com.adobe.ARM.UUID
       com.apple.Safari
       com.adobe.ARM.UUID
       com.google.keystone.user.agent
       com.apple.AirPortBaseStationAgent
    App extensions
       com.apple.InternalFiltersXPC
    Contents of /Library/LaunchAgents/com.adobe.AdobeCreativeCloud.plist (checksum 461455494)
       <?xml version="1.0" encoding="UTF-8"?>
       <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
       <plist version="1.0">
       <dict>
        <key>Label</key>
        <string>com.adobe.AdobeCreativeCloud</string>
        <key>Program</key>
        <string>/Applications/Utilities/Adobe Creative Cloud/ACC/Creative Cloud.app/Contents/MacOS/Creative Cloud</string>
        <key>ProgramArguments</key>
        <array>
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       <?xml version="1.0" encoding="UTF-8"?>
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           <integer>2</integer>
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       <?xml version="1.0" encoding="UTF-8"?>
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       launchd: afpovertcp
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       Apps
       - /Volumes/Apps
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    Lockfiles: 99
    Elapsed time (s): 352

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