Rowbatch.cc uses LZ4 codec instead of Snappy codec
Rowbatch.cc uses LZ4 codec instead of Snappy codec

Comparison of Exchange node data for Lz4 and Snappy
running query: select (star symbol) from tpch.lineitem order by
 l_orderkey

Snappy:
XCHANGE_NODE (id equal 2):(Total: 36s021ms...)
BytesReceived: 26.75 MB (28047762)
DeserializeRowBatchTimer: 246.561ms

Lz4:
EXCHANGE_NODE (id equal 2):(Total: 34s699ms...)
BytesReceived: 11.20 MB (11741118)
DeserializeRowBatchTimer: 131.379ms

Change-Id: Iae8d212ba0fd508542f3ef9ddaf7507426e13253
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3120
Reviewed-by: Paden Tomasello <cbea6c1584b7cf6fba79ba6f2d666cadef295742@cloudera.com>
Tested-by: jenkins
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3252

grundprinzip/Impala,cloudera/recordservice,placrosse/ImpalaToGo,cgvarela/Impala,lirui-intel/Impala,kapilrastogi/Impala,rdblue/Impala,cchanning/Impala,lnliuxing/Impala,gerashegalov/Impala,bowlofstew/Impala,lnliuxing/Impala,XiaominZhang/Impala,henryr/Impala,henryr/Impala,cloudera/recordservice,caseyching/Impala,lnliuxing/Impala,lirui-intel/Impala,ImpalaToGo/ImpalaToGo,bratatidas9/Impala-1,lnliuxing/Impala,tempbottle/Impala,lirui-intel/Impala,theyaa/Impala,scalingdata/Impala,ibmsoe/ImpalaPPC,kapilrastogi/Impala,gerashegalov/Impala,bratatidas9/Impala-1,kapilrastogi/Impala,grundprinzip/Impala,cgvarela/Impala,bowlofstew/Impala,ibmsoe/ImpalaPPC,ibmsoe/ImpalaPPC,XiaominZhang/Impala,tempbottle/Impala,caseyching/Impala,kapilrastogi/Impala,lnliuxing/Impala,ibmsoe/ImpalaPPC,bowlofstew/Impala,cchanning/Impala,cgvarela/Impala,placrosse/ImpalaToGo,cchanning/Impala,XiaominZhang/Impala,caseyching/Impala,ImpalaToGo/ImpalaToGo,cchanning/Impala,tempbottle/Impala,caseyching/Impala,theyaa/Impala,henryr/Impala,bratatidas9/Impala-1,bowlofstew/Impala,rdblue/Impala,henryr/Impala,placrosse/ImpalaToGo,cgvarela/Impala,gerashegalov/Impala,rdblue/Impala,kapilrastogi/Impala,brightchen/Impala,theyaa/Impala,XiaominZhang/Impala,lirui-intel/Impala,ImpalaToGo/ImpalaToGo,lnliuxing/Impala,placrosse/ImpalaToGo,bowlofstew/Impala,rdblue/Impala,rdblue/Impala,lirui-intel/Impala,ImpalaToGo/ImpalaToGo,cloudera/recordservice,brightchen/Impala,theyaa/Impala,scalingdata/Impala,gerashegalov/Impala,ImpalaToGo/ImpalaToGo,brightchen/Impala,cchanning/Impala,tempbottle/Impala,cchanning/Impala,ibmsoe/ImpalaPPC,kapilrastogi/Impala,cgvarela/Impala,scalingdata/Impala,lirui-intel/Impala,scalingdata/Impala,grundprinzip/Impala,tempbottle/Impala,cloudera/recordservice,ibmsoe/ImpalaPPC,XiaominZhang/Impala,rdblue/Impala,theyaa/Impala,tempbottle/Impala,XiaominZhang/Impala,brightchen/Impala,placrosse/ImpalaToGo,cgvarela/Impala,kapilrastogi/Impala,henryr/Impala,theyaa/Impala,bowlofstew/Impala,cloudera/recordservice,gerashegalov/Impala,theyaa/Impala,caseyching/Impala,brightchen/Impala,cloudera/recordservice,grundprinzip/Impala,cloudera/recordservice,cgvarela/Impala,XiaominZhang/Impala,grundprinzip/Impala,cchanning/Impala,ImpalaToGo/ImpalaToGo,caseyching/Impala,rdblue/Impala,gerashegalov/Impala,bratatidas9/Impala-1,bowlofstew/Impala,scalingdata/Impala,brightchen/Impala,bratatidas9/Impala-1,gerashegalov/Impala,caseyching/Impala,ibmsoe/ImpalaPPC,henryr/Impala,lnliuxing/Impala,brightchen/Impala,scalingdata/Impala,lirui-intel/Impala,bratatidas9/Impala-1,grundprinzip/Impala,tempbottle/Impala,bratatidas9/Impala-1,placrosse/ImpalaToGo