nightly-20240410 perf degradation

[cyliu0]

Describe the bug

+---------------------------------------------------------------+--------------+------------+----------------------------------------------------+---------------------+-----------------------------+-------------------------------+
| BENCHMARK NAME                                                | EXECUTION ID | STATUS     | KEY METRICS                                        | FLUCTUATION OF BEST | FLUCTUATION OF LAST 10 DAYS | FLUCTUATION OF LAST EXECUTION |
+---------------------------------------------------------------+--------------+------------+----------------------------------------------------+---------------------+-----------------------------+-------------------------------+
| nexmark-q5-blackhole-watermark-medium-1cn                     |        25396 | Negative   | avg-source-output-rows-per-second                  | -23.22%             | -17.14%                     | -19.31%                       |
| nexmark-q7-blackhole-watermark-medium-1cn                     |        25399 | Negative   | avg-source-output-rows-per-second                  | -20.97%             | -12.93%                     | -16.76%                       |
| nexmark-q8-blackhole-watermark-medium-1cn                     |        25404 | Negative   | avg-source-output-rows-per-second                  | -21.12%             | -14.73%                     | -17.52%                       |
| nexmark-q9-blackhole-watermark-medium-1cn                     |        25410 | Negative   | avg-source-output-rows-per-second                  | -19.69%             | -11.99%                     | -19.69%                       |
| nexmark-q18-blackhole-watermark-medium-1cn                    |        25414 | Negative   | avg-source-output-rows-per-second                  | -18.91%             | -13.35%                     | -18.91%                       |
| nexmark-q6-group-top1-blackhole-watermark-medium-1cn          |        25418 | Negative   | avg-source-output-rows-per-second                  | -19.68%             | -10.04%                     | -17.05%                       |
| sysbench-select-random-points-medium-1cn                      |        25427 | Negative   | sysbench-qps                                       | -27.82%             | -11.01%                     | -23.89%  

https://github.com/risingwavelabs/rw-commits-history?tab=readme-ov-file#nightly-20240410

Error message/log

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To Reproduce

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Expected behavior

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How did you deploy RisingWave?

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The version of RisingWave

nightly-20240410

Additional context

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