Android Qのストレージの話

"OESPJE2ͷετϨʔδͷ࿩ !OBQQMFDPNQVUFS 1

ࣗݾ঺հ • ͳͬͽʔ • !OBQQMFDPNQVUFS • גࣜձࣾσΟʔɾΤψɾΤʔॴଐ • .07ͷϢʔβʔΞϓϦ։ൃ 2

໨࣍ 4 ετϨʔδؔ࿈ηογϣϯ 4DPQFE4UPSBHF 3PMFT

ετϨʔδؔ࿈ηογϣϯ 5

6 0WFSWJFXPG1SJWBDZ$IBOHFTJO"OESPJE2 IUUQTZPVUVCF&U#XTJ3:

7 8IBU`T/FXJO4IBSFE4UPSBHF IUUQTZPVUVCF&U#XTJ3:

4DPQFE4UPSBHF 8

#FUBͱ#FUBͷҧ͍ • #FUBͷετϨʔδʹؔ͢Δมߋ͸΄ͱΜͲ͕ ࣺͯΒΕɺ#FUBͰ৽͘͠ͳΓ·ͨ͠ • #FUB·ͰͷετϨʔδͷมߋΛ஌͍ͬͯΔਓ ΋ཁ֬ೝͩΑʂ • ͓ͦΒ͘ΈΜͳͷϑΟʔυόοΫͷӨڹ 9

4DPQFE4UPSBHFͱ͸ • ͬ͘͟Γݴ͏ͱαϯυϘοΫεΛ&YUFSOBM 4UPSBHFʹಋೖͨ͠ • ଞͷΞϓϦͷσʔλʹ৮Γʹ͘͘ͳͬͨ • ϢʔβʔͷΘ͔Βͳ͍ͱ͜ΖͰυΩϡϝϯτΛ౪ ΈݟΕͳ͍Α͏ʹͳͬͨ 10

ͳͥมߋͨ͠ͷʁ • ϓϥΠόγʔڧԽͷҰ؀ • &YUFSOBM4UPSBHFͷݖݶ͸Α͘࢖ΘΕ͍ͯΔ ͕ɺͦΕΏ͍͔͑ͭ͘໰୊͕͋Δ • ໰୊ղܾͷͨΊɺͭͷݪଇʹैͬͯมߋ 13

มߋͷͭͷݪଇ • ΑΓྑ͍ؼଐ • ΞϓϦσʔλͷอޢ • Ϣʔβʔσʔλͷอޢ 14

ରԠ͠ͳ͍ͱ͍͚ͳ͍ͷʁ • "OESPJE2͸͓ࢼ͠ظؒ • λʔήοτ4%,όʔδϣϯΛ2ʹ͍ͯͯ͠΋ 4DPQFE4UPSBHFΛແޮʹͰ͖Δ • λʔήοτ4%,όʔδϣϯ͕2ະຬͰ΋ 4DPQFE4UPSBHFΛࢼͤΔ 15

ରԠ͠ͳ͍ͱ͍͚ͳ͍ͷʁ • 2ͷ࣍ͷόʔδϣϯ͔Β͸λʔήοτ4%,όʔ δϣϯʹؔ܎ͳ͘͢΂ͯͷΞϓϦͰ4DPQFE 4UPSBHF͕༗ޮʹͳΔ • 2ͷ͏ͪʹରԠ͓͖ͯ͠·͠ΐ͏ 17

·ͱΊ • "OESPJE2Ͱ4DPQFE4UPSBHF͕ಋೖ • ֎෦ʢڞ༗ʣετϨʔδͷ࢖͍ํ͕େ͖͘มΘΔ  ʢಛʹ.FEJB4UPSFʹೖΒͳ͍ϑΝΠϧʣ • "OESPJE2͸͓ࢼ͠ظؒ • 2ͷ࣍ͷόʔδϣϯͰڧ੍͞ΕΔͷͰࠓͷ͏ͪʹରԠ͠
Α͏ 18

3PMFT 19

3PMFTͷڙཆͷ࿩ 20

3PMFTͱ͸ • "OESPJE2#FUB͔Β͋Δڞ༗ετϨʔδʹ ؔ܎͢Δػೳ • 5FDI#PPTUFSͷٕज़ॻయͷ৽ץʹ3PMFTʹ ؔ͢ΔهࣄΛدߘ͠·ͨ͠ 21

3PMFTͷঢ়ଶ • #FUB͕ग़ΔલʹυΩϡϝϯτ͔Βফ͍͑ͯͨ • υΩϡϝϯτͰ3PMFTΛ࢖͍ͬͯͨ෦෼͸ EFGBVMUBQQʹมߋ • ࣮૷͸࢒ͬͯΔ 24

͞ΑͳΒ3PMFT • #FUBͰ4UPSBHF෦෼͕ΨοπϦมߋ • EFGBVMUBQQ͢Β࢖Θͳ͘ͳͬͨ • ࣮૷͸࢒ͬͯΔ 28

Android Qのストレージの話

Android Qのストレージの話

napplecomputer

More Decks by napplecomputer

Other Decks in Technology

Featured

Transcript

"OESPJE2ͷετϨʔδͷ࿩ !OBQQMFDPNQVUFS 1

ࣗݾ঺հ • ͳͬͽʔ • !OBQQMFDPNQVUFS • גࣜձࣾσΟʔɾΤψɾΤʔॴଐ • .07ͷϢʔβʔΞϓϦ։ൃ 2

3

໨࣍ 4 ετϨʔδؔ࿈ηογϣϯ 4DPQFE4UPSBHF 3PMFT

ετϨʔδؔ࿈ηογϣϯ 5

6 0WFSWJFXPG1SJWBDZ$IBOHFTJO"OESPJE2 IUUQTZPVUVCF&U#XTJ3:

7 8IBU`T/FXJO4IBSFE4UPSBHF IUUQTZPVUVCF&U#XTJ3:

4DPQFE4UPSBHF 8

#FUBͱ#FUBͷҧ͍ • #FUBͷετϨʔδʹؔ͢Δมߋ͸΄ͱΜͲ͕ ࣺͯΒΕɺ#FUBͰ৽͘͠ͳΓ·ͨ͠ • #FUB·ͰͷετϨʔδͷมߋΛ஌͍ͬͯΔਓ ΋ཁ֬ೝͩΑʂ • ͓ͦΒ͘ΈΜͳͷϑΟʔυόοΫͷӨڹ 9

4DPQFE4UPSBHFͱ͸ • ͬ͘͟Γݴ͏ͱαϯυϘοΫεΛ&YUFSOBM 4UPSBHFʹಋೖͨ͠ • ଞͷΞϓϦͷσʔλʹ৮Γʹ͘͘ͳͬͨ • ϢʔβʔͷΘ͔Βͳ͍ͱ͜ΖͰυΩϡϝϯτΛ౪ ΈݟΕͳ͍Α͏ʹͳͬͨ 10

11

12

ͳͥมߋͨ͠ͷʁ • ϓϥΠόγʔڧԽͷҰ؀ • &YUFSOBM4UPSBHFͷݖݶ͸Α͘࢖ΘΕ͍ͯΔ ͕ɺͦΕΏ͍͔͑ͭ͘໰୊͕͋Δ • ໰୊ղܾͷͨΊɺͭͷݪଇʹैͬͯมߋ 13

มߋͷͭͷݪଇ • ΑΓྑ͍ؼଐ • ΞϓϦσʔλͷอޢ • Ϣʔβʔσʔλͷอޢ 14

ରԠ͠ͳ͍ͱ͍͚ͳ͍ͷʁ • "OESPJE2͸͓ࢼ͠ظؒ • λʔήοτ4%,όʔδϣϯΛ2ʹ͍ͯͯ͠΋ 4DPQFE4UPSBHFΛແޮʹͰ͖Δ • λʔήοτ4%,όʔδϣϯ͕2ະຬͰ΋ 4DPQFE4UPSBHFΛࢼͤΔ 15

16

ରԠ͠ͳ͍ͱ͍͚ͳ͍ͷʁ • 2ͷ࣍ͷόʔδϣϯ͔Β͸λʔήοτ4%,όʔ δϣϯʹؔ܎ͳ͘͢΂ͯͷΞϓϦͰ4DPQFE 4UPSBHF͕༗ޮʹͳΔ • 2ͷ͏ͪʹରԠ͓͖ͯ͠·͠ΐ͏ 17

·ͱΊ • "OESPJE2Ͱ4DPQFE4UPSBHF͕ಋೖ • ֎෦ʢڞ༗ʣετϨʔδͷ࢖͍ํ͕େ͖͘มΘΔ  ʢಛʹ.FEJB4UPSFʹೖΒͳ͍ϑΝΠϧʣ • "OESPJE2͸͓ࢼ͠ظؒ • 2ͷ࣍ͷόʔδϣϯͰڧ੍͞ΕΔͷͰࠓͷ͏ͪʹରԠ͠

3PMFT 19

3PMFTͷڙཆͷ࿩ 20

3PMFTͱ͸ • "OESPJE2#FUB͔Β͋Δڞ༗ετϨʔδʹ ؔ܎͢Δػೳ • 5FDI#PPTUFSͷٕज़ॻయͷ৽ץʹ3PMFTʹ ؔ͢ΔهࣄΛدߘ͠·ͨ͠ 21

22

23

3PMFTͷঢ়ଶ • #FUB͕ग़ΔલʹυΩϡϝϯτ͔Βফ͍͑ͯͨ • υΩϡϝϯτͰ3PMFTΛ࢖͍ͬͯͨ෦෼͸ EFGBVMUBQQʹมߋ • ࣮૷͸࢒ͬͯΔ 24

25

26

27

͞ΑͳΒ3PMFT • #FUBͰ4UPSBHF෦෼͕ΨοπϦมߋ • EFGBVMUBQQ͢Β࢖Θͳ͘ͳͬͨ • ࣮૷͸࢒ͬͯΔ 28