I need to clear the Cache?

I stuck my last EtreCheck below.

It reads very well, but tells me that 3.88 GB of Ram used is cached.

That's all what I can improve and if so, how?

In addition, he said that my backup of disks are too small, and yet they erase automatically the oldest upward.

Yet once, do I need to worry?

Any Finally, there other recommendations to improve the performance of my Mac?

EtreCheck version: 2.9.9 (260)

Report generated 2016-03-09 21:58:33

Download EtreCheck from https://etrecheck.com

Time 02:12

Performance: Excellent

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

Click [details] for more information on this line.

Problem: No problem - just check

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 4 GB DDR3 1333 MHz

BANK 1/DIMM0

OK 4 GB DDR3 1333 MHz

0/DIMM1 BANK

OK 2 GB DDR3 1333 MHz

BANK 1/DIMM1

OK 2 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 10.11.3 (15 d 21) - since the start time: 11 hours

Disc information:

Hitachi HDS722020ALA330 disk0: (2 TB) (rotation)

EFI (disk0s1) < not mounted >: 210 MB

Macintosh HD (disk0s2) /: 2.00 TB (942,69 GB free)

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

OPTIARC DVD RW AD - 5690H)

USB information:

Computer, Inc. Apple IR receiver.

Card reader Apple

Apple Inc. FaceTime HD camera (built-in)

GenesysLogic USB2.0 hub

Canon MX300 series

Dynastream Innovations ANT USB Stick m

Hub USB 2.0 GenesysLogic 3 TB

Imation Pkxgcwz 4.01 GB

Volumes/Pkxgcwz Pkxgcwz READER (disk1s1): 4.00 GB (2.53 GB free)

Western Digital Elements 107 3 TB

EFI (disk2s1) < not mounted >: 315 MB

High school upward (disk2s2) Volumes and secondary school upward: 3.00 (1.64-free) tuberculosis

Apple Inc. BRCM2046 hub.

Apple Inc. Bluetooth USB host controller.

Lightning information:

Apple Inc. Thunderbolt_bus.

Guardian:

Mac App Store and identified developers

Kernel extensions:

/ Library/Extensions

com.leapfrog.driver.LfConnectDriver [no charge] (1.12.0 - SDK 10.10 - 2016-02-28) [Support]

/ System/Library/Extensions

[no charge] com.leapfrog.codeless.kext (2-2016-02-28) [Support]

Launch system officers:

[loaded] 8 tasks Apple

[loading] 143 tasks Apple

[operation] 85 tasks Apple

Launch system demons:

[loaded] 43 tasks Apple

[loading] 145 tasks Apple

[operation] 100 tasks Apple

Launch officers:

[loading] com.google.keystone.agent.plist (2016-03-02) [Support]

Launch demons:

[loading] com.adobe.ARMDC.Communicator.plist (2016-01-28) [Support]

[loading] com.adobe.ARMDC.SMJobBlessHelper.plist (2016-01-28) [Support]

[loading] com.adobe.fpsaud.plist (2016-01-29) [Support]

[loading] com.bombich.ccc.plist (2014-07-16) [Support]

[operation] com.bombich.ccchelper.plist (2015-03-16) [Support]

[operation] com.fitbit.galileod.plist (2015-10-30) [Support]

[loading] com.google.keystone.daemon.plist (2016-03-02) [Support]

[loading] com.leapfrog.connect.authdaemon.plist (2015-11-20) [Support]

User launch officers:

[loading] com.bittorrent.uTorrent.plist (2016-01-04) [Support]

[operation] com.leapfrog.connect.monitor.plist (2015-11-20) [Support]

Items in user login:

None

Other applications:

[operation] com.brother.scanner.ica.79072.0A4B6D8A-C1F7-4EF5-8498-FC995136E42B

[ongoing] com.dashlane.DashlaneAgent

[ongoing] com.etresoft.EtreCheck.90272

[ongoing] com.google.Chrome.147872

com.microsoft.Word.56032 [loading]

[ongoing] com.Microsoft.AutoUpdate.FBA.80352

[ongoing] JP.co.Canon.cijscannerregister.70112

[operation] jp.co.canon.ijscanner1.scanner.ica.79392.D44AEBE5-C290-4DD0-82B2-90217D1EDB1C

[loading] 381 tasks Apple

[operation] 221 tasks Apple

Plug-ins Internet:

FlashPlayer - 10.6: 20.0.0.306 - SDK 10.6 (2016-02-10) [Support]

QuickTime Plugin: 7.7.3 (2016-01-29)

AdobePDFViewerNPAPI: 15.010.20060 - SDK 10.8 (2016-03-09) [Support]

AdobePDFViewer: 15.010.20060 - SDK 10.8 (2016-03-09) [Support]

Flash Player: 20.0.0.306 - SDK 10.6 (2016-02-10) [Support]

Default browser: 601 - SDK 10.11 (2016-01-29)

NP_2020Player_WEB: 5.0.94.0 - SDK 10.6 (2011-10-27) [Support]

Web of Google Earth plugin: 7.1 (2016-01-15) [Support]

OfficeLiveBrowserPlugin: 12.2.0 (2009-06-06) [Support]

JavaAppletPlugin: 15.0.1 - 10.11 (2015-01-14) check the version of the SDK

User Plug-ins internet:

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

Safari extensions:

Dashlane (2016-01-28)

3rd party preference panes:

Flash Player (2016-01-29) [Support]

Time Machine:

Skip system files: No.

Mobile backups: OFF

Automatic backup: YES

Volumes to back up:

Macintosh HD: Disc size: 2.00 TB disk used: 1.06 TB

Destinations:

[Network] data

Total size: TB 3.00

Total number of backups: 86

An older backup: 01 14, 2015, 16:58

Last backup: 09 03, 2016, 17:29

Backup disk size: too small

Backup TB 3.00 size < (disk used TB 1.06 X 3)

Secondary to the [Local] top

Total size: TB 3.00

Total number of backups: 69

An older backup: 05/09/2015, 04:44

Last backup: 09 03, 2016, 19:41

Backup disk size: too small

Backup TB 3.00 size < (disk used TB 1.06 X 3)

Top of page process CPU:

5% backupd

5% WindowServer

3% of mail

kernel_task 2%

hidd 1%

Top of page process of memory:

Com.apple.WebKit.WebContent (4) 1.40 GB

995 MB Google Chrome Helper (3)

890 MB kernel_task

528 MB Finder

467 MB softwareupdated

Virtual memory information:

1.26 GB free RAM

11.00 GB used RAM (3.88 GB being cached)

Used Swap 0 B

Diagnostic information:

March 9, 2016, 11:07:59 /Library/Logs/DiagnosticReports/com.apple.MediaLibraryService_2016-03-09-110759 [redacted] _.cpu_resource.diag [details]

PLE of System/Library/Frameworks/MediaLibrary.Framework/versions/A/XPCServices/com.AP. MediaLibraryService.xpc/Contents/MacOS/com.apple.MediaLibraryService

March 9, 2016, 11:05:11 /Library/Logs/DiagnosticReports/iTunes_2016-03-09-110511_[redacted].cpu_resourc e.diag [details]

/Applications/iTunes.app/Contents/MacOS/iTunes

March 9, 2016, 10:02:53 self-test - spent

March 9, 2016, 09:50:11 /Library/Logs/DiagnosticReports/Mail_2016-03-09-095011_[redacted].hang

/Applications/mail.app/Contents/MacOS/mail

March 7, 2016, 19:29:02 ~/Library/Logs/DiagnosticReports/iTunes_2016-03-07-192902_[redacted].crash

There is no need to clear the cache.

If your Mac has a problem not go and use it and allow OS X to take care of its own RAM.

Tags: Mac

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