[ https://issues.apache.org/jira/browse/PIG-4846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15238373#comment-15238373 ] 

liyunzhang_intel commented on PIG-4846:
---------------------------------------

[~xuefuz]:  the cpu info of the my test machine is( it has 40 cores):
{noformat}
#lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                40
On-line CPU(s) list:   0-39
Thread(s) per core:    2
Core(s) per socket:    10
Socket(s):             2
NUMA node(s):          2
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 62
Stepping:              4
CPU MHz:               1200.000
BogoMIPS:              5985.10
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              25600K
NUMA node0 CPU(s):     0-9,20-29
NUMA node1 CPU(s):     10-19,30-39
{noformat}

I set the yarn.nodemanger.resource.cpu-vcores as 39 when the number of cores is 40.


> Use pigmix to test the performance of pig on spark
> --------------------------------------------------
>
>                 Key: PIG-4846
>                 URL: https://issues.apache.org/jira/browse/PIG-4846
>             Project: Pig
>          Issue Type: Sub-task
>          Components: spark
>            Reporter: liyunzhang_intel
>            Assignee: liyunzhang_intel
>             Fix For: spark-branch
>
>         Attachments: PIG-4846.patch, PIG-4846_1.patch
>
>
> We can compare the performance between mr and spark mode by pigmix.
> The introduction of pigmix is https://cwiki.apache.org/confluence/display/PIG/PigMix.
> PIG-4846.patch is to make pigmix run by specied exectype.



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