{"id":"https://openalex.org/W4409448825","doi":"https://doi.org/10.1145/3709647","title":"Designing an Efficient Tree Index on Disaggregated Memory","display_name":"Designing an Efficient Tree Index on Disaggregated Memory","publication_year":2025,"publication_date":"2025-04-15","ids":{"openalex":"https://openalex.org/W4409448825","doi":"https://doi.org/10.1145/3709647"},"language":"en","primary_location":{"id":"doi:10.1145/3709647","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3709647","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3709647","source":{"id":"https://openalex.org/S103482838","display_name":"Communications of the ACM","issn_l":"0001-0782","issn":["0001-0782","1557-7317"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications of the ACM","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3709647","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100434842","display_name":"Qing Wang","orcid":"https://orcid.org/0000-0002-5526-7154"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qing Wang","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052095173","display_name":"Youyou Lu","orcid":"https://orcid.org/0000-0002-6214-5390"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Youyou Lu","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101740783","display_name":"Jiwu Shu","orcid":"https://orcid.org/0000-0002-7362-2789"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiwu Shu","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100434842"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09116337,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"68","issue":"05","first_page":"92","last_page":"100"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12292","display_name":"Graph Theory and Algorithms","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7143080234527588},{"id":"https://openalex.org/keywords/index","display_name":"Index (typography)","score":0.6700546145439148},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.5650100111961365},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16890648007392883},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.08645865321159363}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7143080234527588},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.6700546145439148},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5650100111961365},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16890648007392883},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.08645865321159363},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3709647","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3709647","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3709647","source":{"id":"https://openalex.org/S103482838","display_name":"Communications of the ACM","issn_l":"0001-0782","issn":["0001-0782","1557-7317"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications of the ACM","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1145/3709647","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3709647","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3709647","source":{"id":"https://openalex.org/S103482838","display_name":"Communications of the ACM","issn_l":"0001-0782","issn":["0001-0782","1557-7317"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications of the ACM","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1121271761","display_name":null,"funder_award_id":"Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2082826544","display_name":null,"funder_award_id":"Postdoctoral","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2802911279","display_name":null,"funder_award_id":"Young","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3114819178","display_name":null,"funder_award_id":"2023QNRC001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4440035852","display_name":null,"funder_award_id":"62332011","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8714109953","display_name":null,"funder_award_id":"QNRC001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4409448825.pdf","grobid_xml":"https://content.openalex.org/works/W4409448825.grobid-xml"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W1985229168","https://openalex.org/W2073773982","https://openalex.org/W2161047342","https://openalex.org/W2415017588","https://openalex.org/W2919218896","https://openalex.org/W2944076726","https://openalex.org/W2948862017","https://openalex.org/W2953169926","https://openalex.org/W2971307483","https://openalex.org/W3021027963","https://openalex.org/W3022949655","https://openalex.org/W3037512697","https://openalex.org/W3105286627","https://openalex.org/W3154380680","https://openalex.org/W3173937074","https://openalex.org/W4226379841","https://openalex.org/W4318541517","https://openalex.org/W4381327067","https://openalex.org/W4408869199","https://openalex.org/W6732398259"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Memory":[0],"disaggregation":[1],"architecture":[2,30],"physically":[3],"separates":[4],"CPU":[5],"and":[6,43,93,188],"memory":[7,40,48,54,135],"into":[8],"independent":[9],"components,":[10],"which":[11],"are":[12],"connected":[13],"via":[14],"high-speed":[15],"networks":[16],"(for":[17],"example,":[18],"RDMA),":[19],"greatly":[20],"improving":[21],"resource":[22],"utilization":[23],"of":[24,120,136,150,176,185],"datacenter":[25],"systems.":[26],"However,":[27],"such":[28],"an":[29],"poses":[31],"unique":[32],"challenges":[33],"to":[34,38,97,106,123,140],"data":[35,147],"indexing":[36],"due":[37],"limited":[39],"access":[41],"semantics":[42],"near-zero":[44],"computation":[45],"power":[46],"at":[47],"side.":[49],"Existing":[50],"indexes":[51],"supporting":[52],"disaggregated":[53,86],"either":[55],"suffer":[56],"from":[57,102],"low":[58],"write":[59,100,142],"performance":[60,101],"or":[61],"require":[62],"hardware":[63,91],"modification.":[64],"We":[65],"present":[66],"Sherman":[67,88,110,127,144,172],",":[68],"a":[69,129,164],"write-optimized":[70],"<mml:math":[71,151],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[72,152],"display=\"inline\">":[73,153],"<mml:mrow>":[74,154],"<mml:msup>":[75,155],"<mml:mi":[76,156],"mathvariant=\"normal\">B</mml:mi>":[77,157],"<mml:mo>+</mml:mo>":[78,158],"</mml:msup>":[79,159],"<mml:mi>Tree</mml:mi>":[80,160],"</mml:mrow>":[81,161],"</mml:math>":[82,162],"index":[83,99],"on":[84,193],"RDMA-enabled":[85],"memory.":[87],"combines":[89],"RDMA":[90,113,137],"features":[92],"RDMA-friendly":[94],"software":[95],"techniques":[96],"boost":[98],"three":[103],"angles.":[104],"First,":[105],"reduce":[107],"round":[108],"trips,":[109],"coalesces":[111],"dependent":[112],"commands":[114],"by":[115],"leveraging":[116],"in-order":[117],"delivery":[118],"property":[119],"RDMA.":[121],"Second,":[122],"accelerate":[124],"concurrent":[125],"accesses,":[126],"introduces":[128],"hierarchical":[130],"lock":[131],"that":[132,171],"exploits":[133],"on-chip":[134],"NICs.":[138],"Finally,":[139],"mitigate":[141],"amplification,":[143],"tailors":[145],"the":[146],"structure":[148],"layout":[149],"with":[163,180],"two-level":[165],"version":[166],"mechanism.":[167],"Our":[168],"evaluation":[169],"shows":[170],"is":[173],"one":[174],"order":[175],"magnitude":[177],"faster":[178],"compared":[179],"state-of-the-art":[181],"designs":[182],"in":[183],"terms":[184],"both":[186],"throughput":[187],"99":[189],"th":[190],"percentile":[191],"latency":[192],"typical":[194],"write-intensive":[195],"workloads.":[196]},"counts_by_year":[],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-10-10T00:00:00"}
