Batch Updates and CDC at Scale: A Comparative Study of Iceberg and Paimon

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=GA9H585H5H<5HDC=BHGHC5GD97=:=7G9HC:=AAIH56@985H5:=@9G CBID85H9GCB@M5GI6G9HC::=@9G=GF9D@57985B8H<9A9H585H5 5HCA=75@@M GK=H7<9G HC 5 B9K GB5DG<CH 12 +<=G 9BGIF9G 5B 5HCA=7 J9FG=CB GK=H7< 5B8 =AA98=5H9 85H5 7CBG=GH9B7M 5 7CBGIA9FF958G5GHF=7H@M89:=B98GB5DG<CHK=H<CIHC6G9FJ=B; D5FH=5@@M5DD@=987<5B;9GG5F9GI@HH<9JC@IA9C:F9KF=HH9B 85H5 =G F98I798 7CAD5F98 K=H< 5 T:I@@ F9KF=H9U K<=7< DCG=H=J9@M5::97HG@5H9B7M5B8F9GCIF797CBGIADH=CB:CF7@=9BH H5G?G !BH9;F5H=CB :CF 9L=GH=B; D=D9@=B9G =G ;9B9F5@@M HF5BGD5F9BH F958KF=H9 CD9F5H=CBG ;5=B D9F:CFA5B79 5B8 :IB7H=CB5@=HM5HCA=77CAA=HGG7<9A59JC@IH=CBA5B5;9A9BH H=A9HF5J9@9H7K=H<CIHGI6GH5BH=5@7<5B;9GHCIG9F7C891 2 *&"()$('" +<9 8=::9F9B79G 69HK99B !7969F; 5B8 (5=ACB 5F9 @5F;9@M 89H9FA=B98 6M H<9=F 7<5B;97CAA=H A97<5B=GAG 5B8 GHCF5;9 CF;5B=N5H=CB !7969F; GIDDCFHG HKC AC89G :CF FCK@9J9@ 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---------------------------------------------------------------------------- 371 ---------------------------------------------------------------------------- H<9B9LHGB5DG<CHK=H<CIHH<9B998HCF958H<9DF9J=CIGGH5H9 12CBGC@=85H=CB5B8CF89F=B;C:J9FG=CBG5F9D9F:CFA98J=5 657?;FCIB8 7CAD57H=CBG !B HMD=75@ G79B5F=CG H<=G 5DDFC57< F98I79G KF=H9 7CGH 5B8 @5H9B7M 7CAD5F98 K=H< F9D57?5;=B; :=@9GCF9LH9BG=J9IG9C:89@9H9:=@9G+<985H5ID85H9G7<9A9=B D57<9(5=ACB =GDF9G9BH98=B =; !HG<CI@8 69 BCH98H<5H ID85H9G=BG9FHG =B (5=ACB 5F9 5DD9B898 5G B9K FIBG 5B8 F97CB7=@98CBF958K=H<657?;FCIB87CAD57H=CBA9F;=B;:=@9G @5H9F +<=G =G A9F;9CBF958 6M 89G=;B +<9F9 =G BC 7CDMCB KF=H9GHCF5;9AC89(5=ACB <:)<@C?<9<8774G4HC74G8F6;8@8<AC46;8'4<@BA (&!""'(#"$((&"' .<9B DFC79GG=B; 5B =B7CA=B; 85H5 GHF95A 9; :FCA D57<9 #5:?5 !7969F;65G98 D=D9@=B9G FIBB=B; CB *D5F? 7CAACB@M58CDH 5A5H7<5;5=BGH7IFF9BHGH5H95DDFC57< +<9 GMGH9A D@5BG 9L97IH=CB IG=B; H56@9 A9H585H5 F958G CB@M H<9 F9@9J5BH D5FH=H=CBG 5B8 >C=BG H<9 5FF=J=B; =B7F9A9BH K=H< H<9 7IFF9BH GB5DG<CH HC =89BH=:M 7<5B;98 ?9MG CF FCKG 9GD=H9 9::97H=J9D5FH=H=CBDFIB=B;H<=GGHF5H9;M=B7IFGGI6GH5BH=5@F958 !'5B8G<I::@9>C=BGH5;9GK<=7<@CK9FG9B8HC9B8D=D9@=B9 H<FCI;<DIH12G=AD@=:=98GHF95ADFC79GG=B;G7<9A9K=H< !7969F;=G89G7F=698=B=; <:4G4HC74G8F6;8@8J<G;C46;8 6858E:$&(4CCEB46; !B(5=ACBH<95B5@C;CIGH5G?=GHMD=75@@MCDH=A=N98CBH<9 KF=H9 D5H< #5:?5 GHF95A =G =B;9GH98 5G 5 G9EI9B79 C: IDG9FH CD9F5H=CBG F97CF8G 5F9 G<I::@98 6M 6I7?9H 5B8 GCFH98 K=H<=B 957< 6I7?9H 5:H9F K<=7< 657?;FCIB8 DFC79GG9G 7CAD57H H<9 85H55GMB7<FCBCIG@M12975IG9CB@MH<9=B7F9A9BH5@65H7< F5H<9FH<5BH<99BH=F9GB5DG<CH=GGCFH985B8A9F;98B9HKCF? 5B88=G?CJ9F<9585F9;9B9F5@@M@CK9FH<5BK=H<:I@@A5H7<=B; 5;5=BGHH<9D9FG=GH98GH5H9!BACGHDF57H=75@75G9GH<=GM=9@8G 5B58J5BH5;9:CF(5=ACB=B6CH<KF=H9@5H9B7M5B8KF=H97CGH <:4G4HC74G8F6;8@8J<G;C46;8'4<@BA !- %+ ''$'0&/()!%&+$*!& ')+,(+ ,$&!"('&$(#" .97CB8I7H5B9LD9F=A9BH5@7CAD5F=GCBC:CD9F5H=CB@5H9B7M 5B8 H<FCI;<DIH CB H<9 !7969F; 5B8 (5=ACB '+G +C 5GG9GG 7CAD5F5H=J9D9F:CFA5B7957FCGG(5FEI9H!7969F;5B8(5=ACB K9 ;9B9F5H9 5 @5F;9 GMBH<9H=7 85H5G9H 5B8 9L97IH9 5 GH5;98 KCF?@C58 7CADF=G=B; G9EI9BH=5@ *$+ 5B8 ,(+ CD9F5H=CBG +<=G A9H<C8C@C;M =BH9BH=CB5@@M 56GHF57HG 5K5M D=D9@=B9 7CAD@9L=HM HC 5DDFCL=A5H9 85H5[A5FH 7CBGHFI7H=CB K<=@9 =GC@5H=B; GHCF5;9[@9J9@ 9::97HG +<9 F9GI@H=B; A95GIF9A9BHGF9J95@DF57H=75@8=::9F9B79G=B<CKH<99J5@I5H98 H56@9 :CFA5HG A5B5;9 85H5 ID85H9G 5B8 F958G DFCJ=8=B; 9AD=F=75@@M ;FCIB898 ;I=85B79 :CF :CFA5H G9@97H=CB =B F95@[KCF@889D@CMA9BHG ('('&$(#""( '(&)()& +<9:C@@CK=B;85H5G9HG5F9IG98:CF9LD9F=A9BHG+56@9!! *#   "!# C4EDH8G353C4EG '4EG<G<BA87'4EDH8G*45?8* <6858E:3536BJ '4EG<G<BA87 6858E:*45?86BCLBAJE<G8@B78* <6858E:353@BE '4EG<G<BA87 6858E:*45?8@8E:8BAE847@B78* C4<@BA353C4EG '4EG<G<BA87'4<@BA*45?8@8E:8BAE847@B78* @@ 85H5G9HG 7CBG=GH C: H<9 H56@9 C: H<9 :C@@CK=B; :CFA5H +56@9!!! *# *  ' "!# <7 5<:<AG <AG8:8EI4?H89EB@GB <73FGE FGE<A: FGE<A:<AG;89BE@<734AH@58E9EB@GB ?89GXC47787J<G;M8EBFGB4 9<K87?8A:G;B96;4E46G8EF 74G4 FGE<A: E4A7B@) 6;4E46G8EF4X6;4E46G8E FGE<A: 7G FGE<A: 6HEE8AG74G8G<@8FGE<A:<AG;89BE@4G/ @7$) C4EG <AG <AG8:8EI4?H89EB@GB ISSN 2305-7254________________________________________PROCEEDING OF THE 38TH CONFERENCE OF FRUCT ASSOCIATION ---------------------------------------------------------------------------- 372 ---------------------------------------------------------------------------- +<985H5G5AD@9=GDF9G9BH98=B+56@9!- *# ,*45?874G4F4@C?8  "#! # # !#  <73 ,*,+S     <73 !*'(S    S  <73 *,$!S     <73 S    +56@9-GIAA5F=N9GH<9<5F8K5F97CB:=;IF5H=CBC:H<97@IGH9F IG98:CFCIF9LD9F=A9BHG *#, !#! # '+ AG8?(.8BA('+IM ($ 5K($M <F> A9B *5)* EC@$5 %H@58EB9 JBE>8EAB78F  #!$#""(*&'#"' +9GHG K9F9 75FF=98 CIH IG=B; H<9 :C@@CK=B; J9FG=CBG C: DFC;F5AG+56@9-! *#,  #&! #&!%!" C46;8'4EDH8G  C46;8 6858E:  C46;8'4<@BA  C46;8)C4E>  C46;8?<A>  ,$&!"('&$(#" •(9F:CFA5F958C:C:H<985H5IG=B;5:=@H9FCBH<9 H9LHI5@7CDMC:H<9=89BH=:=9F select count(*) from {table} where id_str < 'id_01000000000' •(9F:CFA5BID85H9C:C:H<985H5IG=B;5:=@H9FCB H<9H9LHI5@7CDMC:H<9=89BH=:=9F update {table} set dt = {current} where id_str < 'id_01000000000' where id % 3 = 0 •(9F:CFA 5 F958 C: H<9 DF9J=CIG@M ID85H98  C: H<9 85H5IG=B;5:=@H9FCBH<9H9LHI5@7CDMC:H<9=89BH=:=9F select count(*) from {table} where id_str < 'id_01000000000' •(9F:CFA 5B ID85H9 C:  C: H<9 85H5 K=H< H<9 :=FGH ID85H98HK=79 update {table} set dt = {current} where id_str < 'id_02000000000' where id % 3 = 1 •(9F:CFA 5 F958 C:  C: H<9 85H5 H<5H K9F9 ID85H98 HK=79 select count(*) from {table} where id_str < 'id_01000000000' •(9F:CFA 5B ID85H9 C:  C: H<9 85H5 K=H< H<9 :=FGH ID85H98H<F99H=A9G5B8H<9:=FGHID85H98HK=79 update {table} set dt = {current} where id_str < 'id_05000000000' where id % 3 = 2 O (9F:CFA5F958C:C:H<985H5H<5HK9F9ID85H98H<F99 H=A9G select count(*) from {table} where id_str < 'id_01000000000' !HG<CI@869BCH98H<5HH<9T=8UCD9F5H=CB=GIG98HC5JC=8 F9KF=H=B;9BH=F985H5:=@9G !-/()!%&+$)*,$+*&&$0*!*' +,(+ +<9F9GI@HGC:H<99LD9F=A9BH5F9DF9G9BH98=B+56@9-!! *#,  !# ' ! $# !# !  !   )#* E847     +'* JE<G8     )#* E847     +'* JE<G8     )#* E847     +'* JE<G8     )#* E847     .975B7CB7@I89H<5H5G=AD@95::=B9AC89@9LD@5=BGH<9 C6G9FJ98 KF=H9 H=A9G K=H< <=;< :=89@=HM 5B8 DFCJ=89G 57H=CB56@9 DF98=7H=CBG 5B8 6F95?[9J9B H<F9G<C@8G 5ACB; (5FEI9H !7969F; '.%') 5B8 (5=ACB :CF 65H7< ,(+KCF?@C58GCB5+H56@9IB89FH<9GH5H987@IGH9F 7CB:=;IF5H=CB .<9F9 •+4KF=H9 =G 9B8HC9B8 KF=H9 H=A9 :CF H<9 GH9D A=BIH9G •$:F57H=CBC:FCKGID85H98=B5GH9D=BD9F79BHC: H<9+H56@9 • A=BIH9G :=L98 CJ9F<958R 9B;=B9 5B8 GMGH9A @9J9@CJ9F<958GH<5H8CBCHG75@9K=H<D+<=GH9FA75DHIF9G >C6 D@5BB=B; 5B8 =B=H=5@=N5H=CB 9; *D5F?@=B? G7<98I@=B; A9H585H5 5B8 7CAA=H CD9F5H=CBG GB5DG<CHHF5BG57H=CB :=@97CBB97H=CB G9HID 5B8 H<9 A=B=A5@ !' F9EI=F98 9J9B :CF J9FM GA5@@ ID85H9G !B H<9 @=A=HDZ+4KF=H9Q5 •A=BIH9GD9FD9F79BH5;9DC=BHRA5F;=B5@7CGHD9F 588=H=CB5@  C: ID85H98 85H5 +<=G H9FA F9:@97HG H<9 G75@56@9DCFH=CBC:KCF?:=@97F95H=CBF9KF=H9G;9B9F5H=CB 5B8<5B8@=B;C:89@9H9:=@9G:CF%')AC89GG<I::@95B8 +&(.$ ISSN 2305-7254________________________________________PROCEEDING OF THE 38TH CONFERENCE OF FRUCT ASSOCIATION ---------------------------------------------------------------------------- 373 ---------------------------------------------------------------------------- GCFH=B;5B86I7?9H=B;=B(5=ACBKF=H95AD@=:=75H=CB5B8 DCFH=CBGC:7CAD57H=CBKCF?*A5@@9F6=B8=75H9G7<95D9F G75@=B;C:ID85H9G +<9 J=GI5@=N5H=CB C: H<9 F9GI@H=B; A5H<9A5H=75@ AC89@ =G DF9G9BH98=B=; <:-E<G8G<@8@B78?I<FH4?<M4G<BA9BE74G4HC74G8 $=B95F AC89@G :CF ID85H9G 9L<=6=H J9FM <=;< 9LD@5B5HCFM DCK9F)YP:CF5@@:CFA5HG=B8=75H=B;H<5H5HH<9H9GH98 G75@9G D9F[GH9D KF=H9 H=A9 =G K9@@ 5DDFCL=A5H98 6M 5 :=L98 CJ9F<958D@IG5H9FA@=B95F=BH<9ID85H98:F57H=CB AD=F=75@ 9GH=A5H9G =B CIF G9HID  *D5F? 9L97IHCFG  J(,5B8)%957<=@@IGHF5H9H<9G9FC@9G •(5FEI9HD5FH=H=CB985Q6Q)Y !BH9FDF9H5H=CBDIF9@MDFCDCFH=CB5@F9KF=H=B;7CGH •!7969F;'.5Q6Q)YQ !BH9FDF9H5H=CB BCB[HF=J=5@ :=L98 CJ9F<958 D@5BB=B;7CAA=H @CK A5F;=B5@ 7CGH D9F D9F79BH 8I9 HC :=@9[@9J9@F9KF=H9GC:5::97H9885H5CB@M •!7969F;%')5Q6Q)YQ !BH9FDF9H5H=CB@CK9F:=L98CJ9F<958H<5B'.6IH<=;<9F A5F;=B5@7CGH89@9H9:=@9G@5H9FF97CB7=@=5H=CB •(5=ACB%')5Q6Q)YQ !BH9FDF9H5H=CB GA5@@ :=L98 CJ9F<958 <=;<9F A5F;=B5@ 7CGH 8I9HCG<I::@96I7?9H=B;5B8GI6G9EI9BH7CAD57H=CBG -%+ ''$'0&/()!%&+$*!& ').) ',*+!&*+!'& +<9 DF=CF 9LD9F=A9BH 9J5@I5H98 85H5[A5FHRCF=9BH98 AIH5H=CBG AC8=:M=B; F97CF8G 5@F958M GHCF98 =B H<9 K5F9<CIG9 9F9K99L5A=B9K5F9<CIG9=B;9GH=CB5B8<CK '+G GIDDCFH H<=G H5G? 9::=7=9BH@M !B 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2305-7254________________________________________PROCEEDING OF THE 38TH CONFERENCE OF FRUCT ASSOCIATION ---------------------------------------------------------------------------- 374 ---------------------------------------------------------------------------- +C 69B7<A5F? 5;5=BGH H<9 @=B?R(5=ACB 89G=;B =;  K95@GC=AD@9A9BH985HKC[GH5;9*D5F?D=D9@=B9=;+<9 5F7<=H97HIF9 G9D5F5H9G H<9 ;9B9F5H=CB C: FCK[@9J9@ 8=::G :FCA H<9=F 5DD@=75H=CB H<9F96M A5?=B; H<9 =AD57H C: A=7FC[65H7< G=N=B;5B8:=@9[F9KF=H969<5J=CF9LD@=7=H +C9BGIF97CAD5F56=@=HMK=H<H<9DF9798=B;9LD9F=A9BH .CF?@C58 G5A9 F979B7M[6=5G98 H9ADCF5@ 8=GHF=6IH=CB +56@9-!!!85=@MD5FH=H=CB=B;5B8@CB;D9F[?9M7<5=BG  6=@@=CB DF=A5FM ?9MG85M M=9@8=B;  6=@@=CB  9J9BHG85M=89BH=75@7@IGH9F7CB:=;IF5H=CB+56@9-H<9G5A9 #5:?5HCD=7G5B8G7<9A5G CB79DH5B885H5:@CK •=:: DFC8I79F  *D5F? >C6 =B A=7FC[65H7< AC89 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