Performance of XMLType Insert too SLOW

Hello

Goal: Insert performance 0.1 seconds
AMRS, Client 11 g server is presnt in Asia. Network intranet =
Size of object = 15000 bytes. Size max = 30000 bytes

Problem: executeUpdate takes about 0.33 sec. However, getTemporaryClob is very slow, arnd - 1.33 sec

In getTemporaryClob()->
CLOB.createTemporary-> 0.2 s
CLOB.getCharacterOutputStream-> 0.2 s
Writer.Close-> 0.8 s

Alternative:
XMLType.createXML (conn, InputStream) is far too slow.

My approach:
SQL = Insert into mytable Values (XMLType (?))
CLOB c = getTemporaryClob()
preparedStatement.setObject (1, c);
preparedStatement.executeUpdate ();

1. is there another solution? (for example: could I send the bytes directly rather than create a CLOB)
2. in the creation of CLOB, for each object I create temporary Clob, getStream & Flush writer, writer close CLOB, before I run the query. Is there a way to create TempClob only once and insert the number of records with the same temporary clob (I should require only Writer.write (String))?

Thanks in advance.

In the following help: Re: performance problems loading XML into a remote table into a local table (also follow the AskTom url)
Try to understand the difference in the XMLType storage, which is mainly the cause of some problems.

Tags: Database

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    Report generated 2016-07-02 00:23:49

    Download EtreCheck from https://etrecheck.com

    Time 07:19

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    Click the [Support] links to help with non-Apple products.

    Click [details] for more information on this line.

    Problem: Computer is too slow

    Hardware Information:

    iMac (27 inch, mid 2011)

    [Data sheet] - [User Guide] - [warranty & Service]

    iMac - model: iMac12, 2

    1 2.7 GHz Intel Core i5 CPU: 4 strands

    12 GB of RAM expandable - [Instructions]

    BANK 0/DIMM0

    OK 2 GB DDR3 1333 MHz

    BANK 1/DIMM0

    OK 2 GB DDR3 1333 MHz

    0/DIMM1 BANK

    OK 4 GB DDR3 1333 MHz

    BANK 1/DIMM1

    OK 4 GB DDR3 1333 MHz

    Bluetooth: Old - transfer/Airdrop2 not supported

    Wireless: en1: 802.11 a/b/g/n

    Video information:

    AMD Radeon HD 6770M - VRAM: 512 MB

    iMac 2560 x 1440

    Software:

    OS X El Capitan 10.11.5 (15F34) - since startup time: less than an hour

    Disc information:

    ST31000528AS disk0: (1 TB) (rotation)

    EFI (disk0s1) /Volumes/firmwaresyncd.xIdRcr: 210 MB (182 MB free)

    Macintosh HD (disk0s2) /: 999,35 (Go 386,65 free)

    Recovery HD (disk0s3) < not mounted > [recovery]: 650 MB

    OPTIARC DVD RW AD - 5690H)

    USB information:

    Apple Inc. FaceTime HD camera (built-in)

    Apple Inc. BRCM2046 hub.

    Apple Inc. Bluetooth USB host controller.

    Apple Inc. IPhone.

    Western Digital Elements 2 1078 TB

    EFI (disk1s1) < not mounted >: 210 MB

    Elements (disk1s2) / Volumes/items: 2.00 TB (56,55 GB free)

    Computer, Inc. Apple IR receiver.

    Card reader Apple

    Lightning information:

    Apple Inc. Thunderbolt_bus.

    Guardian:

    Mac App Store and identified developers

    Kernel extensions:

    / Applications/Toast 10 Titanium/Toast Titanium.app

    com.roxio.BluRaySupport [no charge] (1.1.6 - 2015-11-20) [Support]

    / Library/Extensions

    com [no charge]. FTDI.driver.D2XXHelper (1.0 - SDK 10.11 - 2016-06-03) [Support]

    / System/Library/Extensions

    com.Wacom.kext.wacomtablet [no charge] (Tablet Wacom 6.3.15 - 3 - 10.11 SDK - 2016-06-03) [Support]

    ~/Library/services/ToastIt.service/Contents/MacOS

    com.roxio.TDIXController [no charge] (2.0 - 2012-01-22) [Support]

    Launch system officers:

    [loaded] 8 tasks Apple

    [loading] 162 tasks Apple

    [operation] 68 tasks Apple

    Launch system demons:

    [loaded] 45 tasks Apple

    [loading] 157 tasks Apple

    [operation] 89 tasks Apple

    Launch officers:

    [no charge] com.adobe.AAM.Updater - 1.0.plist (2016-07-02) [Support]

    [failure] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a... plist (2016-05-12) [Support]

    [operation] com.adobe.AdobeCreativeCloud.plist (2016-04-12) [Support]

    [loading] com.google.keystone.agent.plist (2016-03-03) [Support]

    [loading] com.oracle.java.Java - Updater.plist (2012-12-18) [Support]

    [operation] com.wacom.wacomtablet.plist (2015-12-17) [Support]

    Launch demons:

    [loading] com.adobe.ARMDC.Communicator.plist (2016-05-12) [Support]

    [loading] com.adobe.ARMDC.SMJobBlessHelper.plist (2016-05-12) [Support]

    [operation] com.adobe.adobeupdatedaemon.plist (2016-06-30) [Support]

    [loading] com.adobe.agsservice.plist (2015-09-26) [Support]

    [loading] com.adobe.fpsaud.plist (2016-06-14) [Support]

    [loading] com.google.keystone.daemon.plist (2016-03-03) [Support]

    [loading] com.microsoft.office.licensing.helper.plist (2010-08-25) [Support]

    [loading] com.oracle.java.Helper - Tool.plist (2012-12-18) [Support]

    [loading] com.wacom.displayhelper.plist (2015-12-17) [Support]

    [operation] hdjsd.plist (2016-05-27) [Support]

    User launch officers:

    [loading] com.adobe.AAM.Updater - 1.0.plist (2012-01-22) [Support]

    [loading] com.divx.agent.postinstall.plist (2012-01-29) [Support]

    Items in user login:

    iTunesHelper Application (/ Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

    Dropbox application (/ Applications/Dropbox.app)

    WacomTabletDriver Application (/ Library/Application Support/Tablet/WacomTabletDriver.app)

    Hidden AdobeResourceSynchronizer Application (/ Applications/Adobe Acrobat DC/Adobe Acrobat.app/Contents/Helpers/AdobeResourceSynchronizer.app)

    Application of Google Reader (Google Drive.app/Applications /)

    NIHardwareAgent Application hidden (/ Library/Application Support/Native Instruments/Hardware/NIHardwareAgent.app)

    Other applications:

    [ongoing] com.adobe.CCLibrary.245152

    [ongoing] com.adobe.CCXProcess.244832

    [operation] com.adobe.acc.AdobeDesktopService.188512.44FBD85A-8E2E-428E-B81D-F20C5A23CBF2

    [ongoing] com.Adobe.accmac.232352

    [ongoing] com.etresoft.EtreCheck.236512

    [ongoing] com.getdropbox.dropbox.284192

    [ongoing] com.google.GoogleDrive.62112

    com.native-[ongoing] instruments.NIHardwareService.230112

    [ongoing] com.wacom.TabletDriver.285792

    [ongoing] com.wacom.WacomTouchDriver.285152

    com.Wacom.wacomtablet.282912 [loading]

    [ongoing] JP.co.Canon.cijscannerregister.298272

    [loading] 408 tasks Apple

    [operation] 181 tasks Apple

    Plug-ins Internet:

    o1dbrowserplugin: 5.41.3.0 - 10.8 SDK (2015-12-16) [Support]

    OVSHelper: 1.1 (2012-01-17) [Support]

    Default browser: 601 - SDK 10.11 (2016-05-20)

    WacomTabletPlugin: WacomTabletPlugin 2.1.0.6 - SDK 10.9 (2015-12-17) [Support]

    AdobeAAMDetect: 3.0.0.0 - SDK 10.9 (2016-06-30) [Support]

    FlashPlayer - 10.6: 22.0.0.192 - SDK 10.9 (2016-06-24), [Support]

    AdobePDFViewerNPAPI: 15.016.20045 - SDK 10.11 (2016-06-02) [Support]

    DivXBrowserPlugin: 2.2 (2012-01-17) [Support]

    QuickTime Plugin: 7.7.3 (2016-05-20)

    Flash Player: 22.0.0.192 - SDK 10.9 (2016-06-24), [Support]

    googletalkbrowserplugin: 5.41.3.0 - 10.8 SDK (2015-12-11) [Support]

    SharePointBrowserPlugin: 14.0.0 (2012-01-22) [Support]

    AdobePDFViewer: 15.016.20045 - SDK 10.11 (2016-06-02) [Support]

    EPPEX plugin: 4.1.0.0 (2011-07-27) [Support]

    JavaAppletPlugin: Java Update 7 60 (2014-06-20) check the version of

    User Plug-ins internet:

    Picasa: 1.0 (2012-05-25) [Support]

    Web of Google Earth plugin: 7.1 (2013-10-08) [Support]

    3rd party preference panes:

    DivX (2012-01-17) [Support]

    Flash Player (2016-06-14) [Support]

    Growl (2012-01-22) [Support]

    hueyPRO (2009-03-12) [Support]

    Java (2014-06-20) [Support]

    WacomTablet (2015-12-17) [Support]

    Time Machine:

    Automatic backup: YES

    Volumes to back up:

    Macintosh HD: Disc size: 999,35 GB disc used: 612,69 GB

    Destinations:

    Elements [Local]

    Total size: 2.00 TB

    Total number of backups: 96

    An older backup: 12/24/14, 04:30

    Last backup: 01/07/16, 23:33

    Size of backup drive: adequate

    Size of backup 2.00 TB > (disc 612,69 GB X 3)

    Top of page process CPU:

    28% mdworker (3)

    3% kernel_task

    2% WindowServer

    Service Office adobe 1%

    0% fontd

    Top of page process of memory:

    989 MB kernel_task

    Mds_stores 295 MB

    Dropbox 197 MB

    197 MB Google Reader

    172MO Finder

    Virtual memory information:

    4.24 GB of free RAM

    used 7.75 GB RAM (2.43 GB being cached)

    Used Swap 0 B

    Diagnostic information:

    July 2, 2016, 12:11:12 AM self-test - spent

    July 1, 2016, 10:39:04 PM/Library/Logs/DiagnosticReports/Adobe InDesign CC 2015_2016-07-01-223904_ .hang [deleted]

    / Applications/Adobe InDesign 2015/Adobe InDesign 2015.app/Contents/MacOS/Adobe InDesign 2015 CC CC CC

    July 1, 2016, 10:38:57 PM/Library/Logs/DiagnosticReports/Adobe Photoshop CC 2015_2016-07-01-223857_ .hang [deleted]

    / Applications/Adobe Photoshop 2015/Adobe Photoshop 2015.app/Contents/MacOS/Adobe Photoshop 2015 CC CC CC

    July 1, 2016, 22:36:42 ~/Library/Logs/DiagnosticReports/CEPHtmlEngine_2016-07-01-223642_[redacted].cra sh

    com.adobe.cep.CEPHtmlEngine - tmlEngine 2015.app/Contents/MacOS/CEP/CEPHtmlEngine/CEPHtmlEngine.app/Contents/MacOS/CEPH/Applications/Adobe InDesign 2015/Adobe InDesign CC CC

    June 29, 2016, 08:14:10 PM/Library/Logs/DiagnosticReports/Adobe Photoshop CC 2015_2016-06-29-201410_ [deleted item].cpu_resource.diag [details]

    Try to leave Adobe Indesign and Photoshop. They break.

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    Hello

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  • After installing LR6.2 and 6.2.1 why system (iMac) is too slow?

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