Unexpectedly slow VM performance in VMware - Lenovo x86 Servers

SymptomsLenovo servers based on Intel x86 architecture may exhibit poor virtual machine application performance when processor power management is implemented either by VMware ESXi/ESX or by the server hardware via Unified Extensible Firmware Interface (UEFI) settings.
Symptoms:
Virtual machine application performance is poor when compared to another host.
Applications run slower than expected. When they are moved to another host, performance improves.
Virtual machines encounter higher than expected Central Processing Unit (CPU) %Ready times in ESXTOP.
Processor Power Management (Power Saving, Power Scaling) is impacting application performance on virtual machines.
vDGA/vSGA performance is sluggish on View desktops.
Tera2800 performance is less than expected in a View PCoIP session.
Note: In some situations it was observed that disabling power management policies in system UEFI and vSphere Client has resolved intermittent 'Uncorrectable Bus Errors' or system reboots.
(where PCoIP = PC Over IP)
DiagnosisThe system is configured with at least one of the following:
Lenovo Custom Image for ESXi 5.1.0, any model Any Update
Lenovo Custom Image for ESXi 5.5.0, any model Any Update
Lenovo Custom Image for ESXi 6.0.0, any model Any Update
VMware ESX Server 4.0, any Update
VMware ESX Server 4.1, any Update
VMware ESXi 4.0 Embedded, any Update
VMware ESXi 4.0 Installable, any Update
VMware ESXi 4.1 Embedded, any Update
VMware ESXi 4.1 Installable, any Update
VMware ESXi 5.0, any Update
VMware ESXi 5.1, any Update
VMware ESXi 5.5, any model, any Update
VMware ESXi 6.0, any model Any Update
VMware vSphere Hypervisor 4.1 with IBM Customization Embedded, any Update
VMware vSphere Hypervisor 4.1 with IBM Customization Installable, any Update
VMware vSphere Hypervisor 5.0 with IBM Customization Installable, any Update
VMware vSphere Hypervisor 5.1 with IBM Customization Installable, any Update
VMware vSphere Hypervisor 5.5 with IBM Customization Installable, any model, any Update
This tip is not system specific.
This tip is not option specific.
Note: This does not imply that the network operating system will work under all combinations of hardware and software.
SolutionIn order to work around the issue processor power management has to be disabled in system UEFI and vSphere Client.
Use the following URL to learn how to change the power policies using server UEFI settings.

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Lenovo x86 servers can help improve your bottom line

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Hi everybody,
I have serious Problems with my 42435gg
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The funny thing in this case: If the external e-sata port is connected the problems do not occur. If the port is unused again, the stutter begins immediately.
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Anybody experience on this?
Kind regards,
Daniel

Did you try the 11.5 RST beta? Load up DPClat and see if DPC conditions are favorable.
What are you using to check graphics performance?
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http://www.dostfindik.com.tr/test2
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Does using alpha transparent background png slow down
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check out this:
http://www.sitepoint.com/blogs/2007/09/18/png8-the-clear-winner/

Unexpected Expection in perform: Given final block not properly padded

Hi folks,
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Xcode 6.2
OS X 10.10.2 Yosemite
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ipd also inside Airwatch (tested)
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SMP proxy is not used.
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EXTREMELY SLOW XQUERY PERFORMANCE AND SLOW DOCUMENT INSERTS.
Resolution History
12-JUN-07 15:01:17 GMT
### Complete Problem Description ###
A test file is being used to do inserts into a schemaless XML DB. The file is inserted and then links are made to 4
different collection folders under /public. The inserts are pretty slow (about
15 per second and the file is small)but the xquery doesn't even complete when
there are 500 documents to query against.
The same xquery has been tested on a competitors system and it has lightening fast performance there. I know it
should likewise be fast on Oracle, but I haven't been able to figure out what
is going on except that I suspect somehow a cartesian product is the result of
the query on Oracle.
### SQLXML, XQUERY, PL/SQL syntax used ###
Here is the key plsql code that calls the DBMS_XDB procedures:
CREATE OR REPLACE TYPE "XDB"."RESOURCEARRAY" AS VARRAY(500) OF VARCHAR2(256);
PROCEDURE AddOrReplaceResource(
resourceUri VARCHAR2,
resourceContents SYS.XMLTYPE,
public_collections in ResourceArray
) AS
b BOOLEAN;
privateResourceUri path_view.path%TYPE;
resource_exists EXCEPTION;
pragma exception_init(resource_exists,-31003);
BEGIN
/* Store the document in private folder */
privateResourceUri := GetPrivateResourceUri(resourceUri);
BEGIN
b := dbms_xdb.createResource(privateResourceUri, resourceContents);
EXCEPTION
WHEN resource_exists THEN
DELETE FROM resource_view WHERE equals_path(res, privateResourceUri)=1;
b := dbms_xdb.createResource(privateResourceUri, resourceContents);
END;
/* add a link in /public/<collection-name> for each collection passed in */
FOR i IN 1 .. public_collections.count LOOP
BEGIN
dbms_xdb.link(privateResourceUri,public_collections(i),resourceUri);
EXCEPTION
WHEN resource_exists THEN
dbms_xdb.deleteResource(concat(concat(public_collections(i),'/'),resourceUri));
dbms_xdb.link(privateResourceUri,public_collections(i),resourceUri);
END;
END LOOP;
COMMIT;
END;
FUNCTION GetPrivateResourceUri(
resourceUri VARCHAR2
) RETURN VARCHAR2 AS
BEGIN
return concat('/ems/docs/',REGEXP_SUBSTR(resourceUri,'[a-zA-z0-9.-]*$'));
END;
### Info for XML Querying ###
Here is the XQuery and a sample of the output follows:
declare namespace c2ns="urn:xmlns:NCC-C2IEDM";
for $cotEvent in collection("/public")/event
return
<cotEntity>
{$cotEvent}
{for $d in collection("/public")/c2ns:OpContextMembership[c2ns:Entity/c2ns:EntityIdentifier
/c2ns:EntityId=xs:string($cotEvent/@uid)]
return
$d
</cotEntity>
Sample output:
<cotEntity><event how="m-r" opex="o-" version="2" uid="XXX541113454" type="a-h-G-" stale="2007-03-05T15:36:26.000Z"
start="2007-03-
05T15:36:26.000Z" time="2007-03-05T15:36:26.000Z"><point ce="" le="" lat="5.19098483230079" lon="-5.333597827082126"
hae="0.0"/><de
tail><track course="26.0" speed="9.26"/></detail></event></cotEntity>

19-JUN-07 04:34:27 GMT
UPDATE
=======
Hi Arnold,
you wrote -
Please use Sun JDK 1.5 java to perform the test case.Right now I have -
$ which java
/usr/bin/java
$ java -version
java version "1.4.2"
gcj (GCC) 3.4.6 20060404 (Red Hat 3.4.6-3)
sorry as I told you before I am not very knowledgeable in Java. Can you tell me what setting
s I need to change to make use of Sun JDK 1.5. Please note I am testing on Linux
. Do I need to test this on a SUN box? Can it not be modify to run on Linux?
Thanks,
Rakesh
STATUS
=======
@CUS -- Waiting for requested information

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akmal

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Hello All,
We have a third party application reporting slow insertion performance, while I traced the session and found out most of elapsed time for one insert execution is sql*net more data from client, it appears bulk binding is being used here because one execution has 200 rows inserted. I am wondering whether this has something to do with their jdbc thin driver(10.1.0.2 version) and our database version 9205. Do you have any similar experience on this, what other possible directions should I explore?
here is the trace report from 10046 event, I hide table name for privacy reason.
Besides, I tested bulk binding in PL/SQL to insert 200 rows in one execution, no problem at all. Network folks confirm that network should not be an issue as well, ping time from app server to db server is sub milisecond and they are in the same data center.
INSERT INTO ...
values
(:1, :2, :3, :4, :5, :6, :7, :8, :9, :10, :11, :12, :13, :14, :15, :16, :17,
:18, :19, :20, :21, :22, :23, :24, :25, :26, :27, :28, :29, :30, :31, :32,
:33, :34, :35, :36, :37, :38, :39, :40, :41, :42, :43, :44, :45)
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Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.02 14.29 1 94 2565 200
Fetch 0 0.00 0.00 0 0 0 0
total 2 0.02 14.29 1 94 2565 200
Misses in library cache during parse: 1
Optimizer goal: CHOOSE
Parsing user id: 25
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
SQL*Net more data from client 28 6.38 14.19
db file sequential read 1 0.02 0.02
SQL*Net message to client 1 0.00 0.00
SQL*Net message from client 1 0.00 0.00
********************************************************************************

I have exactly the same problem, I tried to find out what is going on, changed several JDBC Drivers on AIX, but no hope, I also have ran the process on my laptop which produced a better and faster performance.
Therefore I made a special solution ( not practical) by creating flat files and defining the data as an external table, the oracle will read the data in those files as they were data inside a table, this gave me very fast insertion into the database, but still I am looking for an answer for your question here. Using Oracle on AIX machine is a normal business process followed by a lot of companies and there must be a solution for this.

Jdbc thin driver and bulk binding slow insertion performance

Hello All,
We have a third party application reporting slow insertion performance, while I traced the session and found out most of elapsed time for one insert execution is sql*net more data from client, it appears bulk binding is being used here because one execution has 200 rows inserted. I am wondering whether this has something to do with their jdbc thin driver(10.1.0.2 version) and our database version 9205. Do you have any similar experience on this, what other possible directions should I explore?
here is the trace report from 10046 event, I hide table name for privacy reason.
Besides, I tested bulk binding in PL/SQL to insert 200 rows in one execution, no problem at all. Network folks confirm that network should not be an issue as well, ping time from app server to db server is sub milisecond and they are in the same data center.
INSERT INTO ...
values
(:1, :2, :3, :4, :5, :6, :7, :8, :9, :10, :11, :12, :13, :14, :15, :16, :17,
:18, :19, :20, :21, :22, :23, :24, :25, :26, :27, :28, :29, :30, :31, :32,
:33, :34, :35, :36, :37, :38, :39, :40, :41, :42, :43, :44, :45)
call count cpu elapsed disk query current rows
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.02 14.29 1 94 2565 200
Fetch 0 0.00 0.00 0 0 0 0
total 2 0.02 14.29 1 94 2565 200
Misses in library cache during parse: 1
Optimizer goal: CHOOSE
Parsing user id: 25
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
SQL*Net more data from client 28 6.38 14.19
db file sequential read 1 0.02 0.02
SQL*Net message to client 1 0.00 0.00
SQL*Net message from client 1 0.00 0.00
********************************************************************************

I have exactly the same problem, I tried to find out what is going on, changed several JDBC Drivers on AIX, but no hope, I also have ran the process on my laptop which produced a better and faster performance.
Therefore I made a special solution ( not practical) by creating flat files and defining the data as an external table, the oracle will read the data in those files as they were data inside a table, this gave me very fast insertion into the database, but still I am looking for an answer for your question here. Using Oracle on AIX machine is a normal business process followed by a lot of companies and there must be a solution for this.

Continued SLOW online performance after two Archive & Installs

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Tried to research and do as much as I could before coming here, but I don't have great diagnostic skills... here's what I've got so far:
By late November, I managed to eliminate the ISP (Earthlink) as a cause of the problem... however, due to their direction to change DNS numbers, I can no longer automatically connect online upon booting, but must repeatedly connect via Internet Connect (separate issue?)... via these forums, I've reset the DNS to 208.67.220.220, 208.67.222.222.
Neither hard drive is even half full.
I did an initial Disk and Permissions Repair prior to first A&I... they needed repair then, but subsequent verifications check out clean.
After the first A&I (using the original OS X 10.4 install disk), I downloaded a complete full 10.4.11 update, including all current Security Updates... performance wound up much the same as before.
After the second A&I, and before any updating, I tested online performance – still slow... this time I downloaded only the Mac OS X 10.4.11 Combined Update from November 07, looking to avoid the 2008-006 Security Update... general browsing speed is slightly improved, but any site with a movie or rich graphics behaves like dial-up, as before... Mail is just ok – not fast, but not problematic.
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The only other thing I'd be suspicious of is Network Settings, after getting the runaround at Earthlink... but the fact that I can get online at all might rule that out.
I've been at this for days, and am out of ideas... little help?
Thanx.

OK, network settings is the scary stuff that I DO NOT understand...
BDAqua wrote:
Make a New location in Network>Location>New, try it without PPoE, just Using DHCP under the TCP/IP tab>IPv4 setting. You can always switch back if it doesn't work.
I found the PPPoE subpane.
Made the New location, it seemed to work briefly, then didn't, then I fumbled my way back to prior settings... I'm willing to try it again, BUT...
What scared me was that after setting New Location, the browser window opened to something called *Internet Configurator*, never seen this before... it asked for my email and password... is this normal?... I've got major privacy and security concerns and DO NOT want to put that password out there if I don't have to.
Please advise before I do this... thanks.

Regarding the performance comparision of application/web servers

i want the details of performance comparision of application/web servers and which is the best, efficient and easy to use.

Try google.
However for the most part the performance is not related to the application/web server that you use.
It more depends on
- the machine you are running it on
- what code you are running on it.
With regards to "best", you can debate that forever.
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Unexpectedly slow VM performance in VMware - Lenovo x86 Servers

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