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Coalesced RDD , large scale
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OpenJDK 64-Bit Server VM 1.8.0_362-b09 on Linux 5.15.0-1031-azure
Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz
Coalesced RDD:                                Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Coalesce Num Partitions: 100 Num Hosts: 1               296            331          32          0.3        2956.6       1.0X
Coalesce Num Partitions: 100 Num Hosts: 5               206            220          16          0.5        2062.0       1.4X
Coalesce Num Partitions: 100 Num Hosts: 10              198            211          24          0.5        1976.2       1.5X
Coalesce Num Partitions: 100 Num Hosts: 20              188            193           7          0.5        1878.6       1.6X
Coalesce Num Partitions: 100 Num Hosts: 40              185            186           2          0.5        1848.8       1.6X
Coalesce Num Partitions: 100 Num Hosts: 80              193            195           2          0.5        1926.4       1.5X
Coalesce Num Partitions: 500 Num Hosts: 1               694            729          47          0.1        6942.7       0.4X
Coalesce Num Partitions: 500 Num Hosts: 5               287            292           5          0.3        2873.6       1.0X
Coalesce Num Partitions: 500 Num Hosts: 10              241            244           3          0.4        2410.4       1.2X
Coalesce Num Partitions: 500 Num Hosts: 20              218            236          17          0.5        2182.7       1.4X
Coalesce Num Partitions: 500 Num Hosts: 40              201            214          16          0.5        2009.9       1.5X
Coalesce Num Partitions: 500 Num Hosts: 80              201            212          10          0.5        2011.6       1.5X
Coalesce Num Partitions: 1000 Num Hosts: 1             1160           1163           3          0.1       11597.0       0.3X
Coalesce Num Partitions: 1000 Num Hosts: 5              389            398          15          0.3        3895.0       0.8X
Coalesce Num Partitions: 1000 Num Hosts: 10             296            302           9          0.3        2959.5       1.0X
Coalesce Num Partitions: 1000 Num Hosts: 20             243            246           5          0.4        2428.5       1.2X
Coalesce Num Partitions: 1000 Num Hosts: 40             225            239          15          0.4        2248.1       1.3X
Coalesce Num Partitions: 1000 Num Hosts: 80             217            217           1          0.5        2166.1       1.4X
Coalesce Num Partitions: 5000 Num Hosts: 1             4840           4841           2          0.0       48395.4       0.1X
Coalesce Num Partitions: 5000 Num Hosts: 5             1135           1137           2          0.1       11349.7       0.3X
Coalesce Num Partitions: 5000 Num Hosts: 10             668            674           7          0.1        6684.1       0.4X
Coalesce Num Partitions: 5000 Num Hosts: 20             452            457           4          0.2        4524.9       0.7X
Coalesce Num Partitions: 5000 Num Hosts: 40             314            321          12          0.3        3142.1       0.9X
Coalesce Num Partitions: 5000 Num Hosts: 80             261            263           2          0.4        2610.6       1.1X
Coalesce Num Partitions: 10000 Num Hosts: 1            9409           9454          45          0.0       94087.0       0.0X
Coalesce Num Partitions: 10000 Num Hosts: 5            2439           2457          16          0.0       24389.2       0.1X
Coalesce Num Partitions: 10000 Num Hosts: 10           1298           1303           6          0.1       12984.1       0.2X
Coalesce Num Partitions: 10000 Num Hosts: 20            761            764           3          0.1        7613.9       0.4X
Coalesce Num Partitions: 10000 Num Hosts: 40            496            503          12          0.2        4962.0       0.6X
Coalesce Num Partitions: 10000 Num Hosts: 80            348            368          18          0.3        3477.3       0.9X


