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A key design principle of veDB-HTAP is the collaboration and adaptability of major system components, including query planning, query execution, and unified storage. Our adaptive query execution can be classified into two categories: 1) adaptive execution that dynamically collects and utilizes runtime statistics for better query performance; 2) utilizing runtime resource information to achieve a high quality of service even under heavy workloads. The experiments show that veDB-HTAP can achieve more than 3\u00d7 speedup for TPC-H while consuming only one-third of the resources compared to ByteHTAP.<\/jats:p>","DOI":"10.14778\/3750601.3750614","type":"journal-article","created":{"date-parts":[[2025,9,16]],"date-time":"2025-09-16T13:38:05Z","timestamp":1758029885000},"page":"4896-4909","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["veDB-HTAP: A Highly Integrated, Efficient and Adaptive HTAP System"],"prefix":"10.14778","volume":"18","author":[{"given":"Jianjun","family":"Chen","sequence":"first","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li","family":"Zhang","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu","family":"Xie","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wei","family":"Ding","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lixun","family":"Cao","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ye","family":"Liu","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yonghua","family":"Ding","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fangshi","family":"Li","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ke","family":"Wu","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haibo","family":"Xiu","sequence":"additional","affiliation":[{"name":"Duke University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kui","family":"Wei","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Le","family":"Cai","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rui","family":"Chang","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuxiang","family":"Chen","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuanjin","family":"Lin","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shangyu","family":"Luo","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianfeng","family":"Qian","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xu","family":"Wang","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zikang","family":"Wang","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jian","family":"Zhang","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mingyi","family":"Zhang","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shicai","family":"Zeng","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jason","family":"Sun","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lei","family":"Zhang","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rui","family":"Shi","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pengwei","family":"Zhao","sequence":"additional","affiliation":[{"name":"ByteDance Inc"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2025,9,16]]},"reference":[{"key":"e_1_2_1_1_1","volume-title":"In-memory query execution in Google BigQuery. 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