Github user ConeyLiu commented on the issue:
https://github.com/apache/spark/pull/19135
Hi @cloud-fan , @jiangxb1987 . The follow is the test result, I have
modified the test to server.
2 cores with 150GB memory:
| ------| ------ | ------ |
| before | after | proportion|
| 135881| 135183| |
| 139352| 135652| |
| 138356| 136431| |
| 137041| 137980| |
| 137191| 139708| |
| 137564.2 | 136990.8 | 1.004186 |
20 cores with 150GB memory:
| ------| ------ | ------ |
| before | after | proportion|
| 27519| 27683| |
| 27319| 28055| |
| 25905| 27357| |
| 26362| 28709| |
| 25042| 29306| |
| 26429.4| 28222| 0.936482|
50 cores with 150GB memory
| ------| ------ | ------ |
| before | after | proportion|
| 29740| 30570| |
| 28573| 29881| |
| 28922| 30221| |
| 29809| 30096| |
| 29069| 30349| |
| 29222.6| 30223.4| 0.966887|
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