# Yipeng Liu > PhD Student, [IIIS](https://iiis.tsinghua.edu.cn), Tsinghua University ## About 4th-year PhD student at [IIIS](https://iiis.tsinghua.edu.cn), Tsinghua University, advised by [Prof. Huanchen Zhang](https://people.iiis.tsinghua.edu.cn/~huanchen/). Research focuses on cloud-native databases, with an emphasis on cloud storage, metadata management, and data pruning. ## Research Interests Cloud-native databases, cloud storage, metadata, data pruning ## Publications 1. **Yipeng Liu**, [Renfei Zhou](https://orbitingflea.github.io), [Jiaqi Yan](https://www.linkedin.com/in/jiaqiy), [Huanchen Zhang](https://people.iiis.tsinghua.edu.cn/~huanchen/). *Workload-Aware Incremental Reclustering in Cloud Data Warehouses.* Proc. ACM Manag. Data (SIGMOD), 2026. \[[paper](https://arxiv.org/abs/2602.23289)\] ## Experience - Chairman, [TUNA](https://tuna.moe), Tsinghua University -- 2021-2023 ## Education - Ph.D. Student, [IIIS](https://iiis.tsinghua.edu.cn), Tsinghua University -- 2022-present - B.S. in [CST](https://www.cs.tsinghua.edu.cn), Tsinghua University -- 2018-2022 ## Honors & Awards - Outstanding Graduate, Tsinghua University -- 2022 ## Contact - Telegram: [lwpie](https://t.me/lwpie) - Email: [liu@yipe.ng](mailto:liu@yipe.ng) - GitHub: [lwpie](https://github.com/lwpie) --- # Misc > Nobody ever figured out what life is all about, and it doesn't matter. Explore the world. Nearly everything is really interesting if you go into it deeply enough. [under construction] ## Side Projects - [IIIX](mailto:ix@vlpi.org) -- A global network infrastructure across Asia Pacific and North America (10 Gbps interconnect with CERNET, PCCW, and AT&T) - [TUNA Mirrors](https://mirrors.tuna.tsinghua.edu.cn) -- Hustled and secured 20 Gbps of public egress bandwidth to power open-source mirrors \[[status](https://mirrors.tuna.tsinghua.edu.cn/status/#server-status)\] - [Kobayashi Compiler](https://github.com/kobayashi-compiler/kobayashi-compiler) -- An optimizing compiler targeting ARMv7 and RISC-V32 (Top Prize & Huawei Cup, Compiler Design, NSCSCC) - [Untitled Router](https://twd2.me/archives/15187) -- A 5-stage pipelined RISC-V processor on FPGA with a hardware forwarding engine supporting RIPv2 \[[report](https://dram.page/p/untitled-router/)\] (Small-Packet Line-Rate Scholarship) ## Amateur Radio Coming soon. ## Private Pilot Saving up for a PPL in California. - [Intro flight](https://www.flightaware.com/live/flight/N1324E) -- N1324E, KPAO ## Commercial Flights 573,565 km · 894 hours · 348 flights · 103 airports · 5 continents ### Upcoming (1) - 2026-05-21 3U3256 LXA-XIY ### History (348) - 2026-04-03 HX659 OKA-HKG - 2026-04-02 NU610 ISG-OKA - 2026-04-01 N/A ISG-HTR - 2026-04-01 NU601 OKA-ISG - 2026-03-31 NU728 OGN-OKA - 2026-03-31 NU741 ISG-OGN - 2026-03-30 MM293 FUK-ISG - 2026-03-28 NH4662 TSJ-NGS - 2026-03-28 LJ922 GUM-PUS - 2026-03-26 UA154 HNL-GUM - 2026-03-25 UA2380 SFO-HNL - 2026-03-07 B78731 RMQ-LZN - 2026-03-07 B78790 MFK-TSA - 2026-03-07 BR28 TPE-SFO - 2026-03-06 B78996 KNH-MZG - 2026-03-06 B78662 MZG-CYI - 2026-03-05 B78991 TNN-KNH - 2026-03-04 AE7932 HUN-KHH - 2026-03-03 BR852 HKG-TPE - 2026-03-03 AE395 TSA-TTT - 2026-02-22 MU239 SHA-MFM - 2026-02-21 MU5114 PEK-SHA - 2026-02-13 CA1866 CAN-PVG - 2026-02-07 ZH9104 PEK-SZX - 2026-02-01 CA1384 SZX-PEK - 2026-01-10 MU5349 SHA-SZX - 2026-01-03 ZH9509 SZX-SHA - 2025-12-25 CA4102 PEK-CTU - 2025-12-25 CA4335 CTU-SZX - 2025-12-22 CA1384 SZX-PEK - 2025-12-19 CA4120 PEK-CTU - 2025-12-19 CA4311 CTU-SZX - 2025-12-16 CA3765 SZX-HGH - 2025-12-16 CA1711 HGH-PEK - 2025-12-13 CA1383 PEK-SZX - 2025-11-22 HU7714 SZX-PEK - 2025-11-21 HU7701 PEK-SZX - 2025-11-17 CX392 HKG-PEK - 2025-11-15 CX873 SFO-HKG - 2025-11-06 CX345 PEK-HKG - 2025-11-06 CX870 HKG-SFO - 2025-10-30 HU7606 SHA-PEK - 2025-10-27 Y87512 XIY-PVG - 2025-10-24 HU7137 PEK-XIY - 2025-09-28 MF8107 FOC-PKX - 2025-09-27 HU7701 PEK-SZX - 2025-09-27 MF8966 SZX-FOC - 2025-09-05 HU7604 SHA-PEK - 2025-08-31 MF8318 SZX-SHA - 2025-08-30 HU7813 PEK-CAN - 2025-08-26 CA1508 SHA-PEK - 2025-08-21 MU2523 WUH-PVG - 2025-08-19 MU2478 SZX-WUH - 2025-07-29 ZH9506 SHA-SZX - 2025-07-27 MU5358 SZX-SHA - 2025-07-24 CA4345 CKG-SZX - 2025-07-23 CA1429 PEK-CKG - 2025-07-22 CA1502 SHA-PEK - 2025-07-01 CA1563 PEK-SHA - 2025-06-29 TK88 IST-PEK - 2025-06-28 TK1722 BER-IST - 2025-06-21 TK89 PEK-IST - 2025-06-21 TK1727 IST-BER - 2025-05-21 MU6308 CAN-PKX - 2025-05-18 HO1159 PVG-ZUH - 2025-05-17 HO1580 KIX-PVG - 2025-05-13 BX122 PUS-KIX - 2025-05-12 7C5258 UBN-PUS - 2025-05-08 JD5221 PKX-ERL - 2025-03-24 MU5117 SHA-PEK - 2025-03-18 MU5108 PEK-SHA - 2025-03-03 MU5107 SHA-PEK - 2025-01-17 MF8702 NGO-HGH - 2025-01-10 MF8150 PKX-HGH - 2025-01-10 MF8701 HGH-NGO - 2024-12-22 HU7612 PVG-PEK - 2024-12-15 HO1252 PKX-PVG - 2024-12-11 HO1624 KIX-PKX - 2024-12-06 HO1625 PKX-KIX - 2024-11-26 NX10 MFM-PEK - 2024-11-25 HX293 RMQ-HKG - 2024-11-23 ZH9095 WUX-HKG - 2024-11-23 HX290 HKG-RMQ - 2024-11-22 ZH9157 PEK-WUX - 2024-11-18 ZH9105 SZX-PEK - 2024-11-17 ZH106 HAN-SZX - 2024-11-15 MU895 PKX-HAN - 2024-11-03 KN878 VVO-PKX - 2024-11-01 KN877 PKX-VVO - 2024-10-14 MU5157 SHA-PEK - 2024-09-29 9C7352 HKG-PVG - 2024-09-27 MU5154 PEK-SHA - 2024-09-27 MU5353 SHA-SZX - 2024-09-16 SC4980 LHW-DAT - 2024-09-15 EU2272 YZY-LHW - 2024-09-12 MU2471 TFU-LHW - 2024-09-12 MU9978 LHW-DNH - 2024-09-11 HX253 TPE-HKG - 2024-09-11 HX452 HKG-TFU - 2024-09-08 HX237 PVG-HKG - 2024-09-08 HX284 HKG-TPE - 2024-09-04 9C6538 FUK-PVG - 2024-08-31 9C6537 PVG-FUK - 2024-08-30 MU5308 CAN-SHA - 2024-08-25 CA1837 SHA-CAN - 2024-08-24 MU5122 PEK-SHA - 2024-08-23 CA1374 CSX-PEK - 2024-08-18 RY8992 LYA-KHN - 2024-08-11 CA4369 URC-CAN - 2024-08-10 EU2948 YIN-TLQ - 2024-08-07 EU2825 SHF-YIN - 2024-08-06 HU6277 CAN-URC - 2024-07-18 CA8611 PKX-CSX - 2024-07-17 CA4124 LXA-PEK - 2024-07-10 MU6717 PVG-LXA - 2024-07-05 MU586 LAX-PVG - 2024-07-01 UA1057 SFO-SCL - 2024-06-20 MU589 PVG-SFO - 2024-06-19 MU5130 PKX-PVG - 2024-06-18 HU7702 SZX-PEK - 2024-06-17 HU758 CDG-SZX - 2024-06-16 AF407 SCL-CDG - 2024-06-10 LA371 CJC-SCL - 2024-06-08 LA370 SCL-CJC - 2024-06-07 HU757 SZX-CDG - 2024-06-07 AF406 CDG-SCL - 2024-06-06 HU7709 PEK-SZX - 2024-06-05 HU7810 CAN-PEK - 2024-06-01 HU7709 PEK-SZX - 2024-05-30 HU7606 SHA-PEK - 2024-05-17 MU9186 TFU-SHA - 2024-05-16 SC8823 TNA-TFU - 2024-05-15 SC8086 KIX-TNA - 2024-05-07 SC1166 SHA-TNA - 2024-05-07 SC8087 TNA-KIX - 2024-04-26 HU7605 PEK-SHA - 2024-04-22 CA1532 SHA-PEK - 2024-03-27 FM9125 PVG-RIZ - 2024-03-27 FM9125 RIZ-DLC - 2024-03-27 FM9126 DLC-RIZ - 2024-03-27 FM9126 RIZ-PVG - 2024-03-25 FM9125 PVG-RIZ - 2024-03-25 FM9126 RIZ-PVG - 2024-03-23 MU5162 PEK-SHA - 2024-03-22 MU5127 SHA-PEK - 2024-01-10 CA1829 CAN-SHA - 2024-01-06 ZH1712 PEK-HGH - 2024-01-06 ZH9882 HGH-SZX - 2024-01-04 CZ318 GMP-PKX - 2024-01-01 CZ317 PKX-GMP - 2023-12-31 CZ6028 TAS-PKX - 2023-12-27 CZ6027 PKX-TAS - 2023-12-26 CA1522 SHA-PEK - 2023-12-22 CA1557 PEK-SHA - 2023-12-17 CZ648 HND-PKX - 2023-12-12 CZ647 PKX-HND - 2023-11-26 CZ648 HND-PKX - 2023-11-22 CZ647 PKX-HND - 2023-11-13 CZ648 HND-PKX - 2023-11-10 CZ647 PKX-HND - 2023-11-06 CA1524 SHA-PEK - 2023-11-02 CA1515 PEK-SHA - 2023-10-31 MF8235 FOC-CSX - 2023-10-30 MF8966 SZX-FOC - 2023-10-29 MF8965 FOC-SZX - 2023-10-28 MF8116 PKX-FOC - 2023-10-19 CA1508 SHA-PEK - 2023-10-18 CA4223 KWE-PVG - 2023-10-17 HU7773 SZX-KWE - 2023-10-09 CA4224 PVG-KWE - 2023-09-22 CA1883 PEK-PVG - 2023-09-20 GS7583 XIY-TSN - 2023-09-17 ZH9740 XNN-XIY - 2023-09-09 CA1508 SHA-PEK - 2023-08-24 AQ1309 CAN-HFE - 2023-08-18 CZ3966 SHA-SZX - 2023-08-02 CA1517 PEK-SHA - 2023-07-27 CA1532 SHA-PEK - 2023-07-25 HO1254 PKX-SHA - 2023-07-24 MF8556 PVG-PKX - 2023-07-08 HO1020 KMG-PVG - 2023-07-04 CZ5945 SZX-LJG - 2023-07-03 CZ3072 SYD-SZX - 2023-06-27 CZ301 CAN-SYD - 2023-06-26 CZ3464 LXA-CAN - 2023-06-14 CA1431 PEK-CKG - 2023-06-14 CA4420 CKG-LXA - 2023-05-06 KN5832 ZUH-PKX - 2023-05-04 VJ876 SGN-HKG - 2023-05-01 CZ6077 PVG-SGN - 2023-04-30 CZ8879 PKX-SHA - 2023-04-22 MF8125 XMN-TSN - 2023-04-21 MF840 KIX-XMN - 2023-04-14 MF839 XMN-KIX - 2023-04-13 MF8170 PKX-XMN - 2023-04-03 CZ8850 TFU-PKX - 2023-03-30 CA4114 PEK-CTU - 2023-02-16 CA1532 SHA-PEK - 2023-02-10 SQ105 KUL-SIN - 2023-02-10 SQ894 SIN-HKG - 2023-02-10 HU7723 SZX-PVG - 2023-02-09 Z97802 PEN-KUL - 2023-02-07 AK1722 SIN-PEN - 2023-02-03 KN5831 PKX-ZUH - 2023-02-03 SQ895 HKG-SIN - 2023-02-02 CA1524 SHA-PEK - 2023-01-22 9C8876 MFM-PVG - 2023-01-19 HX633 KIX-HKG - 2023-01-15 GK156 CTS-KIX - 2023-01-13 IJ835 NRT-CTS - 2023-01-08 ZH9051 SZX-NRT - 2023-01-07 ZH9510 SHA-SZX - 2022-12-29 MF8555 PKX-PVG - 2022-12-25 CA1550 SHA-PEK - 2022-12-10 CZ5774 ZUH-SHA - 2022-12-02 HO1109 PVG-SZX - 2022-11-29 CA1549 PEK-SHA - 2022-10-18 CZ6703 ZUH-SYX - 2022-10-18 CZ8806 SYX-PKX - 2022-10-14 CZ3732 PKX-ZUH - 2022-09-12 CA1522 SHA-PEK - 2022-09-05 HU7607 PEK-SHA - 2022-08-22 CA1600 WEH-PEK - 2022-08-18 CA1599 PEK-WEH - 2022-08-16 HU7610 SHA-PEK - 2022-08-13 CZ3680 ZUH-PVG - 2022-08-11 HO1162 PVG-ZUH - 2022-08-09 CZ8889 PKX-PVG - 2022-08-05 CA1566 HGH-PEK - 2022-08-04 CA2542 KMG-TFU - 2022-08-04 CA1746 TFU-HGH - 2022-08-03 MU9743 DIG-KMG - 2022-07-28 CA8541 PVG-TFU - 2022-07-28 CA2541 TFU-KMG - 2022-07-12 3U6674 LZY-TFU - 2022-07-12 CA4501 CTU-SHA - 2022-07-09 CA4123 PEK-LXA - 2022-07-01 CA1402 CTU-PEK - 2022-06-27 CA4102 PEK-CTU - 2022-06-12 MU5115 SHA-PEK - 2022-03-05 HU7609 PEK-SHA - 2022-02-18 HU7608 SHA-PEK - 2022-01-30 Y87506 BAR-PVG - 2022-01-27 CZ6754 PVG-SYX - 2022-01-21 HU7608 SHA-PEK - 2022-01-21 HU7603 PEK-SHA - 2022-01-06 HU7603 PEK-SHA - 2021-12-20 NX136 MFM-PVG - 2021-12-20 MU5123 SHA-PEK - 2021-12-17 HO1254 PKX-PVG - 2021-12-17 NX109 PVG-MFM - 2021-10-31 CA1832 SHA-PEK - 2021-10-27 CA8173 TSN-NGB - 2021-09-12 CA1862 SHA-PEK - 2021-09-05 Y87505 PVG-BAR - 2021-09-05 Y87506 BAR-PVG - 2021-07-30 MF8555 PKX-PVG - 2021-07-27 HO1253 PVG-PKX - 2021-07-19 CA8187 TSN-PVG - 2021-07-08 HU7575 XIY-TSN - 2021-07-07 JD5104 TNA-XIY - 2021-07-04 HU7680 SYX-PEK - 2021-07-03 JD5146 TNA-SYX - 2021-07-01 HU7177 PEK-DOY - 2021-06-26 HU7238 XIY-PEK - 2021-06-20 HU7137 PEK-XIY - 2021-06-07 HU7133 PEK-UYN - 2021-06-07 HU7134 UYN-PEK - 2021-05-29 GS7845 TSN-DOY - 2021-05-29 HU7178 DOY-PEK - 2021-05-06 CZ8888 SHA-PKX - 2021-04-29 CA1541 PEK-NGB - 2021-04-26 CA1484 LJG-PEK - 2021-04-22 CA1499 PEK-DLU - 2021-04-19 MU5137 PVG-PKX - 2021-04-16 CA1589 PEK-SHA - 2021-03-21 CA1884 PVG-PEK - 2021-03-19 MU5104 PEK-SHA - 2021-02-21 CZ3952 SHA-PKX - 2021-02-19 HO1195 SHA-TAO - 2021-02-19 HO1196 TAO-PVG - 2021-02-15 HO1076 TAO-PVG - 2021-02-14 HO1075 PVG-TAO - 2021-02-12 CZ8757 PVG-CGQ - 2021-02-12 FM9223 CGQ-PVG - 2021-02-09 HO1236 XIY-SHA - 2021-02-01 CA1216 PVG-XIY - 2021-01-21 HO1214 XIY-PVG - 2021-01-20 HO1213 PVG-XIY - 2021-01-13 KN5955 PKX-SHA - 2020-10-19 HO1259 SHA-PKX - 2020-10-18 MU5544 YNT-PVG - 2020-10-17 SC4856 PEK-YNT - 2020-10-11 MU5184 YNT-PKX - 2020-10-10 MU5185 PKX-YNT - 2020-09-05 MU5111 SHA-PEK - 2020-08-22 KN2216 HET-PVG - 2020-08-21 HL2081 HET-DSN - 2020-08-20 KN2215 PVG-HET - 2020-08-16 MU5122 PEK-SHA - 2020-08-15 MU5113 SHA-PEK - 2020-08-09 MU2334 LXA-XIY - 2020-08-09 HO1688 XIY-NKG - 2020-08-02 MU2333 XIY-LXA - 2020-07-26 MU8138 CKG-XIY - 2020-07-25 HO1247 SHA-CKG - 2020-07-21 HO1081 PVG-INC - 2020-07-21 MU6316 INC-PVG - 2020-07-12 MU5532 KHN-PVG - 2020-07-11 MU5465 PVG-KHN - 2020-07-07 HO1166 DLC-PVG - 2020-07-06 HO1165 PVG-DLC - 2020-07-03 HO1116 TAO-PVG - 2020-06-28 HO1797 NKG-TAO - 2020-06-25 HO1076 TAO-PVG - 2020-06-24 SC1193 YNT-TNA - 2020-06-22 SC4760 PVG-YNT - 2020-06-19 ZH9981 CAN-HGH - 2020-06-16 ZH9846 NKG-SZX - 2020-01-23 MU5266 BHY-PVG - 2020-01-20 MU5265 PVG-BHY - 2020-01-17 CX364 HKG-PVG - 2020-01-13 KA877 PVG-HKG - 2020-01-11 CA1883 PEK-PVG - 2019-11-24 CA1622 HRB-PEK - 2019-11-23 CA1621 PEK-HRB - 2019-10-12 KN5977 PKX-PVG - 2019-08-27 CA1115 PEK-HET - 2019-08-17 CA1304 SZX-PEK - 2019-08-16 CA1830 SHA-CAN - 2019-08-01 JL81 HND-SHA - 2019-08-01 CA1520 SHA-PEK - 2019-07-23 JL876 PVG-NRT - 2019-07-21 CA1517 PEK-SHA - 2019-06-27 CA1885 PEK-SHA - 2019-05-04 CA1713 HGH-PEK - 2019-04-29 CA1857 PEK-SHA - 2019-04-06 CA1518 SHA-PEK - 2019-04-04 CA1557 PEK-SHA - 2017-08-22 CA1517 PEK-SHA - 2017-08-19 MU5103 SHA-PEK - 2017-08-06 MU5332 SZX-PVG - 2017-08-03 MU5343 SHA-SZX - 2016-05-08 MU724 HKG-PVG - 2016-05-05 MU9837 SHA-HKG - 2016-05-05 FM837 SHA-HKG - 2012-08-04 MU2170 PVG-XIY - 2012-07-31 HO1196 TAO-SHA ## Outdoors > The mountains are calling and I must go. ### Hiking (5) - Yubeng -- 32 km, 1,600 m gain - Tiger Leaping Gorge -- 32 km, 2,200 m gain - MacLehose Trail -- 28 km, 1,600 m gain - Mt. Kumotori -- 33 km, 1,700 m gain - Mt. Kailash Kora -- 103 km, 2,300 m gain ### Mountaineering (3) - Mt. Siguniang (Dafeng) -- 5,025 m - Mt. Yuzhu -- 6,178 m (planning) - Mt. Fuji -- 3,776 m (planning) ### Open Water Swimming (3) - Victoria Harbour -- 1,000 m - Dishui Lake -- 2,000 m (planning) - Alcatraz -- 2,400 m (planning) ## Photographs Coming soon.