I am having a similar problem, but I don't run Server stuff, so the suggestions I've seen haven't been helpful. I suspect flash or perhaps having so many tabs open, but I'm not pushing my computer harder than I used to before Mavericks.
This snapshot is fairly typical, although today I haven't had any problems … yet.
Hardware Information:
MacBook Pro (Retina, 15-inch, Early 2013)
MacBook Pro - model: MacBookPro10,1
1 2.8 GHz Intel Core i7 CPU: 4 cores
16 GB RAM
Video Information:
Intel HD Graphics 4000 - VRAM: 1024 MB
NVIDIA GeForce GT 650M - VRAM: 1024 MB
Audio Plug-ins:
BluetoothAudioPlugIn: Version: 1.0
AirPlay: Version: 1.9
AppleAVBAudio: Version: 2.0.0
iSightAudio: Version: 7.7.3
Startup Items:
ChmodBPF - Path: /Library/StartupItems/ChmodBPF
daemonic-dbus - Path: /Library/StartupItems/daemonic-dbus
FanControlDaemon - Path: /Library/StartupItems/FanControlDaemon
IdentD - Path: /Library/StartupItems/IdentD
VirtualBox - Path: /Library/StartupItems/VirtualBox
System Software:
OS X 10.9 (13A603) - Uptime: 0 days 1:51:47
Disk Information:
APPLE SSD SM768E disk0 : (751.28 GB)
EFI (disk0s1) <not mounted>: 209.7 MB
Macintosh HD (disk0s2) /: 726.16 GB (451.01 GB free)
Recovery HD (disk0s3) <not mounted>: 650 MB
eDrive (disk0s4) <not mounted>: 24.13 GB
USB Information:
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. iPhone
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
FireWire Information:
Thunderbolt Information:
Apple Inc. thunderbolt_bus
Kernel Extensions:
org.virtualbox.kext.VBoxDrv (4.2.16)
org.virtualbox.kext.VBoxUSB (4.2.16)
com.Cycling74.driver.Soundflower (1.5.1)
com.delantis.kext.tcpblocknke (2.2.4)
org.pqrs.driver.KeyRemap4MacBook (8.4.0)
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
[loaded] com.adobe.fpsaud.plist
[loaded] com.barebones.authd.plist
[loaded] com.bombich.ccc.plist
[loaded] com.delantis.tcbblocknke_load_kext.plist
[loaded] com.google.keystone.daemon.plist
[loaded] com.hanynet.icefloor.emergingthreats.plist
[loaded] com.hanynet.icefloor.plist
[loaded] com.micromat.CheckmateIdleDaemon.plist
[loaded] com.micromat.CheckmateWorkerDaemon.plist
[loaded] com.micromat.TechToolProDaemon.plist
[loaded] com.realvnc.vncserver.plist
[loaded] com.rogueamoeba.hermes.plist
[loaded] com.tripplite.poweralert.PowerAlertEngineSA.plist
[loaded] com.tripplite.poweralert.PowerAlertUserNotify.plist
[failed] net.waterroof.rules.plist
[loaded] org.macosforge.xquartz.privileged_startx.plist
[not loaded] org.macports.frameworks.macports.plist
[loaded] org.pqrs.KeyRemap4MacBook.load.plist
Launch Agents:
[loaded] com.divx.dms.agent.plist
[loaded] com.divx.update.agent.plist
[loaded] com.google.keystone.agent.plist
[loaded] com.kodak.BonjourAgent.plist
[loaded] com.micromat.CheckmateAgent.plist
[loaded] com.micromat.TechToolProAgent.plist
[loaded] com.realvnc.vncserver.peruser.plist
[not loaded] com.realvnc.vncserver.prelogin.plist
[loaded] com.tripplite.poweralert.PowerAlertUserNotifyAgent.plist
[loaded] net.culater.SIMBL.Agent.plist
[loaded] org.macosforge.xquartz.startx.plist
[loaded] org.pqrs.KeyRemap4MacBook.server.plist
User Launch Agents:
[loaded] com.adobe.ARM.[...].plist
[loaded] com.facebook.videochat.jblucher.plist
[loaded] com.google.Chrome.framework.plist
[loaded] com.intego.virusbarrierexpress.agent.plist
[failed] com.jonstovell.TagFolders.keywordimporter.plist
[loaded] com.jonstovell.TagFolders.tagprompter.plist
[loaded] com.kodak.KODAK AiO Firmware Updater.plist
[loaded] com.kodak.KODAK AiO Software Updater.plist
[loaded] com.kodak.StatisticCollection.plist
[loaded] com.macupdate.desktop5.scanner.plist
[failed] com.vladalexa.MagicPrefs.plist
[not loaded] org.virtualbox.vboxwebsrv.plist
[loaded] ws.agile.1PasswordAgent.plist
User Login Items:
Startup Script
AppTrap
finderpop-daemon
3rd Party Preference Panes:
Application Enhancer
AppTrap
BetterSound
RCDefaultApp
ExtManager
FinderPop
Flash Player
Flip4Mac WMV
FruitMenu
FUSE for OS X (OSXFUSE)
fuse-ext2
IdentD
iProntoSync
Labels X
MagicPrefs
MisFox
More Internet
Perian
QuickTime Player X Preferences
SANE
Shades Preferences
Spelling
TCPBlock
TechTool Protection
Web Sharing
Widget Manager
WindowShade X
Xounds
Internet Plug-ins:
ActiveGS.plugin
AmazonMP3DownloaderPlugin.plugin
CouponPrinter-FireFox.plugin
CouponPrinter-FireFox_v2.plugin
Default Browser.plugin
DirectorShockwave.plugin
DivX Web Player.plugin
Flash Player.plugin
FlashPlayer-10.6.plugin
Flip4Mac WMV Plugin.plugin
Google Earth Web Plug-in.plugin
googletalkbrowserplugin.plugin
iPhotoPhotocast.plugin
JavaAppletPlugin.plugin
JoostPlugin.plugin
MRJPlugin.plugin
npgtpo3dautoplugin.plugin
o1dbrowserplugin.plugin
OVSHelper.plugin
PDF Browser Plugin.plugin
PDEPrint.plugin
QuartzComposerWeb.plugin
QuickTime Plugin.plugin
RealPlayer Plugin.plugin
RhapsodyPlayerEngine.plugin
Silverlight.plugin
SpeedDownload Browser Plugin.plugin
Unity Player.plugin
Unity Web Player.plugin
XStandard.plugin
User Internet Plug-ins:
ContentManager.plugin
Google Earth Web Plug-in.plugin
RealPlayer Plugin.plugin
RocketEngine.plugin
UploadManager.plugin
WebEx64.plugin
Bad Fonts:
None
Time Machine:
Skip System Files: NO
Mobile backups: ON
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 726.16 GB Disk used: 275.15 GB
Destinations:
13741108182872K [Local]
Total size: 999.86 GB
Total number of backups: 2
Oldest backup: 2013-03-13 02:37:13 +0000
Last backup: 2013-10-23 01:27:15 +0000
Size of backup disk: Adequate
Backup size 999.86 GB > (Disk used 275.15 GB X 3)
1381105161571K [Local] (Last used)
Total size: 999.86 GB
Total number of backups: 40
Oldest backup: 2013-03-21 12:02:14 +0000
Last backup: 2013-10-23 23:35:30 +0000
Size of backup disk: Adequate
Backup size 999.86 GB > (Disk used 275.15 GB X 3)
Top Processes by CPU:
20% Finder
10% WindowServer
6% Dock
5% firefox
4% CheckmateAgent
2% EtreCheck
1% Adium
1% Google Chrome
1% AppTrap
1% LunaMenu
Top Processes by Memory:
524 MB Dock
426 MB Adium
357 MB Finder
344 MB com.apple.IconServicesAgent
311 MB mds_stores
279 MB firefox
279 MB WindowServer
246 MB Google Chrome
246 MB App Store
164 MB Xcode
Virtual Memory Statistics:
610 MB Free RAM
5.88 GB Active RAM
6.35 GB Inactive RAM
1.79 GB Wired RAM
5.62 GB Page-ins
258 MB Page-outs