PHP メモリ管理術

Ί΋Γʔ 1)1ϝϞϦ؅ཧज़ 1)1ΧϯϑΝϨϯε

@2020 Torana, Inc.

@2020 Torana, Inc. @2020 Torana, Inc. Ί΋Γʔ ࣗݾ঺հ 1)1Ͱ+7.Λ࣮૷ͨ͠ΓຊΛॻ͍ͯͨΓͯ͠ ·͢ɻೕ༮ࣇ޲͚஌ҭ؝۩ͷαϒεΫϦϓγϣϯ
αʔϏεʮτΠαϒʂʯΛఏڙ͢Δגࣜձࣾτ ϥʔφͰ$50Λ͍ͯ͠·͢ɻ !NNS

@2020 Torana, Inc. ΞδΣϯμ ϝϞϦ͸ͳͥ଍Γͳ͘ͳΔͷ͔ ϝϞϦ֬อͷ͘͠Έ ϕετϓϥΫςΟε ·ͱΊ

Έͳ͞Μ͸ɼૺ۰ͨ͜͠ͱ͋Γ·͔͢

"MMPXFENFNPSZTJ[FPG   999CZUFTFYIBVTUFE

Έͳ͞Μ͸ࢥ͍ු͔΂ͨ͸ͣͰ͢

ϝϞϦ͕଍Γͳ͍ͳΒ   ૿΍ͤ͹͍͍͡Όͳ͍͔

JOJ@TFU NFNPSZ@MJNJU

ͦ͜Ͱɼٙ໰ʹࢥͬͨํ΋ଟ͍Ͱ͠ΐ͏

ʮͳͥɼ1)1͸ϝϞϦ͕   ଍Γͳ͘ͳΔͷ͔ʯ

ཧ༝͸୯७໌շͰ͢

ͦΕ͸ɼϝϞϦΛ࢖͍ͬͯΔ͔ΒͰ͢

ྫ͑͹͜͏͍ͬͨίʔυ͸   ݟͨ͜ͱ͋Γ·͔͢ʁ

@2020 Torana, Inc.

͜Ε࣮͸ɼΊͪΌͪ͘ΌϝϞϦ࢖͍·͢

࣮ࡍʹࢼͯ͠Έ·͠ΐ͏

ͪͳΈʹɼ࣍ͷίʔυ΋   ϝϞϦΛΊͬͪΌ࢖͍·͢

ʮ͡Ό͊ɼͲ͏ͨ͠Β͍͍ͷʜͦΕҎ֎ʹ ํ๏͸͋Δͷʜʁʯ

ʮͦ΋ͦ΋1)1ͰϝϞϦͳΜͯ   ؾʹͯ͠ॻ͍ͨ͜ͱͳ͍Αʯ

ʮ1)1͕ϝϞϦΛѻ͏࢓૊ΈͳΜͯ   ஌Βͳ͍Αʯ

"MMPXFENFNPSZTJ[FPGͳΜͯ   ΋͏ා͘ͳ͍ʜͱࢥͬͯ΋Β͑Δͷ͕   ຊ೔ͷΰʔϧͰ͢

ͦͷલʹͳͥϝϞϦ͕଍Γͳ͘ͳΔͷ͔   ղઆ͍͖ͯ͠·͢

ϝϞϦ͸ͳͥ଍Γͳ͘ͳΔͷ͔

ͦ΋ͦ΋ϝϞϦͬͯԿʁ

@2020 Torana, Inc. ͦ΋ͦ΋ϝϞϦͬͯԿʁ ୺తʹݴͬͯ͠·͑͹ɼσʔλΛҰ࣌తʹه࿥͢Δͱ͜ΖͰ͢   ʢ˞ࢲͷϋϯυϧωʔϜͱ͸ؔ܎͕͋Γ·ͤΜʂʣ شൃੑϝϞϦʢ͍ΘΏΔ3".ʣ΍ෆشൃੑϝϞϦͳͲ͋Γ·͢Ͷɻ
༻్ʹΑͬͯ෼͚ΒΕ·͢ɻ৘ใܥͷֶ෦ग़਎ͷਓ͸ɼߨٛͰ   ݏʹͳΔ͘Β͍ɼ΍ͬͨΜ͡Όͳ͍͔ͳͱࢥ͍·͢ɻ ओهԱ૷ஔͱͯ͠࢖ΘΕΔ΋ͷ͸େ൒͕3".Ͱ͢ɻ

@2020 Torana, Inc. ͦ΋ͦ΋ϝϞϦͬͯԿʁ ྫ͑͹"84ͷΠϯελϯεΛબͿͱ͖ʹϝϞϦͷ߲໨ SMBSHFͳͲ ͕͋Δ͔ͳͱࢥ͍·͕͢ɼͦΕͰ͢ɻ ͨͩɼଞͷιϑτ΢ΣΞͳͲͰ΋ϝϞϦΛ࢖༻͍ͯ͠ΔͨΊɼࢦఆ͠
ͨϝϞϦ͕શͯ࢖͑Δͱ͸ݶΓ·ͤΜ ͕ͨͬͯ͠1)1ͰJOJ@TFU NFNPSZ@MJNJU ( ͳͲͱ҆௚ʹ   ࢦఆ͢Δͷ͸ϕετϓϥΫςΟεͱ͸ݴ͑·ͤΜɻ

ϝϞϦ֬อͷ͘͠Έ

1)1ͷϝϞϦ

@2020 Torana, Inc. 1)1ͷϝϞϦ 1)1͸ىಈ࣌ʹ.Ҏ্ͷϝϞϦΛͦ΋ͦ΋࢖༻͍ͯ͠·͢ɻ ྫ͑͹ɼ1)1ͷ࣮ߦͰAQIQENFNPSZ@MJNJU,SAͱ͢Δͱɼ 1)1ͦͷ΋ͷ͕࣮ߦͰ͖ͳ͍ࣄ͕Θ͔Γ·͢ɻ

@2020 Torana, Inc. 1)1ͷϝϞϦ ͦ΋ͦ΋ىಈ͚ͩʹ.ఔ౓࢖༻͍ͯ͠Δͷ͸ͳ͔ͥɻ NFNPSZ@MJNJUͷઃఆʹ͍ͭͯ͸IUUQTHJUIVCDPNQIQQIQ TSDCMPCGDDFBEDBFEFNBJO NBJOD-ͷTUBUJD1)1@*/*@.)
0O$IBOHF.FNPSZ-JNJU Ͱ ߦΘΕ͍ͯ·͢ɻ ࠷ऴతʹ͸;FOE.FNPSZ.BOBHFS͕ݺͼग़͞Εͯɼॲཧ͞Ε͍ͯ ·͢ɻ

@2020 Torana, Inc. 1)1ͷϝϞϦ ͦ΋ͦ΋ىಈ͚ͩʹ.ఔ౓࢖༻͍ͯ͠Δͷ͸ͳ͔ͥɻ [FOE@BMMPDDͷIUUQTHJUIVCDPNQIQQIQTSDCMPC CECGCEFDDBC;FOE [FOE@BMMPDD-Ͱ͋Δ[FOE@TFU@NFNPSZ@MJNJUͰ͢ɻ

@2020 Torana, Inc. 1)1ͷϝϞϦ ͦ΋ͦ΋ىಈ͚ͩʹ.ఔ౓࢖༻͍ͯ͠Δͷ͸ͳ͔ͥɻ DPO fi HVSFEJTBCMFBMMͰϏϧυ࣌ʹશͯͷϞδϡʔϧΛແޮԽʹ
ͯ͠΋ɼಛஈϝϞϦ࢖༻ྔ͕ݮΔ͜ͱ͸͋Γ·ͤΜɻ ৗʹ όΠτ . ɹ͕ফඅ͞Ε͍ͯΔ͜ͱ͕Θ͔Γ·͢ɻ 6CVOUVPO%PDLFSͷ৔߹ ͜Ε͸[FOE@BMMPD@TJ[FTIͷ;&/%@..@$)6/,@4*;&͕.# ͱͳ͍ͬͯΔ͔ΒͰ͢

@2020 Torana, Inc. 1)1ͷϝϞϦ ͦ΋ͦ΋ىಈ͚ͩʹ.ఔ౓࢖༻͍ͯ͠Δͷ͸ͳ͔ͥɻ ࢀরIUUQTHJUIVCDPNQIQQIQTSDCMPC BECDEFEEBEFFE;FOE [FOE@BMMPD@TJ[FTI-
͜͜ͷ஋ΛϏϧυ࣌ʹ.#ʹมߋͯ͠ΈΔͱͲ͏Ͱ͠ΐ͏͔ɻ ͜ͷΑ͏ʹ 4MB ඞཁʹͳΔ͜ͱ͕Θ͔Γ·͢

@2020 Torana, Inc. 1)1ͷϝϞϦ ͦ΋ͦ΋ىಈ͚ͩʹ.ఔ౓࢖༻͍ͯ͠Δͷ͸ͳ͔ͥɻ ͳ͓ɼϝϞϦͷ࢖༻ྔ͸;&/%@..@$)6/,@4*;&ͷ   νϟϯΫαΠζ͕ࢀর͞Ε·͢
͕ͨͬͯ͠ɼ͜ͷ஋ͷഒ਺ΛNFNPSZ@MJNJUʹઃఆ͢Δ΄͏͕ɼ ޮ཰ྑ͍ͱ͍͏͜ͱ͕Θ͔Γ·͢ɻ σϑΥϧτ͸.#Ͱ͢ͷͰ.#ͷഒ਺ͷ஋Λઃఆ͠·͠ΐ͏

@2020 Torana, Inc. 1)1ͷϝϞϦ ͦ΋ͦ΋ىಈ͚ͩʹ.ఔ౓࢖༻͍ͯ͠Δͷ͸ͳ͔ͥɻ ;FOE.FNPSZ.BOBHFSΛ࢖༻͠ͳ͍৔߹ɼ؀ڥม਺ʹ 64&@;&/%@"--0$Λઃఆ͢Δ͜ͱͰɼNBMMPDͳͲ͕γεςϜ ͕ఏڙ͢Δ΋ͷΛ࢖༻͢ΔΑ͏ʹͳΓ·͢ɻ
USE_ZEND_ALLOC=0 Λࢦఆ͢ΔͱΤϥʔ͕Ͱͳ͘ͳΔ͜ͱ͕Θ͔Δ

@2020 Torana, Inc. 1)1ͷϝϞϦ NFNPSZ@HFU@VTBHFNFNPSZ@HFU@QFBL@VTBHFͷ஋ʹ͍ͭͯ NFNPSZ@HFU@VTBHFNFNPSZ@HFU@QFBL@VTBHF͸USVFΛୈҾ਺ʹࢦఆͨ͠ ৔߹ɼ  
;&/%@..@$)6/,@4*;&ϕʔεʹͳΔɻʢͭ·Γ࣮ࡍʹ"MMPDBUF͞ΕͨϝϞ Ϧফඅྔʣ ;FOE.FNPSZ.BOBHFS͕ͲΕ΄Ͳ࣮ࡍʹ"MMPDBUF͍ͯ͠Δ͔Λ   ஌Γ͍ͨ৔߹ ͦͷதͷϝϞϦফඅྔΛಘ͍ͨ৔߹͸ୈҾ਺ʹ͸ಛஈࢦఆ͠ͳ͍΄͏͕ྑ͍ɻ ྫ͑͹ಛఆͷൣғͷॲཧͰϝϞϦͷফඅྔΛ஌Γ͍ͨਓ޲͚

@2020 Torana, Inc. 1)1ͷϝϞϦ NFNPSZ@HFU@VTBHFNFNPSZ@HFU@QFBL@VTBHFͷ஋ʹ͍ͭͯ ୈҾ਺ʹUSVFΛ౉ͨ͠৔߹ ஋ʹมԽͳ͠

@2020 Torana, Inc. 1)1ͷϝϞϦ NFNPSZ@HFU@VTBHFNFNPSZ@HFU@QFBL@VTBHFͷ஋ʹ͍ͭͯ ୈҾ਺ʹUSVFΛ౉͞ͳ͔ͬͨ৔߹ ஋͕มΘΔ

@2020 Torana, Inc. 1)1ͷϝϞϦ NFNPSZ@HFU@VTBHFNFNPSZ@HFU@QFBL@VTBHFͷ஋ʹ͍ͭͯ ͜ΕΒͷ஋͸;FOE.FNPSZ.BOBHFS͕ϕʔεͱͳ͍ͬͯΔͨΊ   64&@;&/%@"--0$ͱͨ͠৔߹͸ৗʹ͕ฦΓ·͢ɻ
·ͨɼ͜Ε͸1)1͕ϓϩηεͱͯ͠࢖༻͍ͯ͠ΔϝϞϦফඅྔͰ͸ͳ͍ ʢ;FOE.FNPSZ.BOBHFS্Ͱ͋ΔͨΊʣͨΊϓϩηεͦͷ΋ͷ͕࢖༻͍ͯ͠ ΔϝϞϦফඅྔΛ஌Γ͍ͨ৔߹͸ɼҟͳΔखஈ͕ඞཁͰ͢ɻ ͨͩ͠ɼ64&@;&/%@"--0$͸ɼϝϞϦϦʔΫݕग़࣌Ҏ֎ʹ࢖͏΂͖΋ ͷͰ͸ͳ͍ͱ1)1ϚχϡΞϧʹهࡌ͞Ε͍ͯ·͢ɻ   ࢀরIUUQQIQBEBNIBSWFZOBNFNBOVBMKB JOUFSOBMTNFNPSZNBOBHFNFOUQIQ

@2020 Torana, Inc. 1)1ͷϝϞϦ NFNPSZ@HFU@VTBHFNFNPSZ@HFU@QFBL@VTBHFͷ஋ʹ͍ͭͯ ԼهͰऔಘͰ͖·͢ɻ 744
TZTUFN QTVQHFUNZQJE cHSFQQIQcBXL\QSJOU^ 344 TZTUFN QTVQHFUNZQJE cHSFQQIQcBXL\QSJOU^

༨ஊ

@2020 Torana, Inc. ༨ஊ ଞʹ΋ૹΒΕͯ͘Δ1045ͷαΠζΛܾఆ͢ΔQPTU@NBY@TJ[FͳͲ͕͋Γ ·͢ɻ ͜Ε͸Ұ࣌ϑΝΠϧͱͯ͠࡞੒͞ΕΔͨΊɼ  
NFNPSZ@MJNJUQPTU@NBY@TJ[FͰ͋Δඞཁ͸͋Γ·ͤΜɻ QIQENFNPSZ@MJNJU.EQPTU@NBY@TJ[F.4 ͰϏϧτΠϯαʔόʔΛىಈ͠ɼ࣮ࡍʹ.ΑΓ   େ͖͍ϑΝΠϧΛૹ৴ͯ͠΋ɼ໰୊ͳ͍͜ͱ͕֬ೝͰ͖·͢ ͨͩ͠ɼ4"1*@1045@#-0$,@4*;& σϑΥϧτ CZUFT ෼ͷ ϝϞϦ͸ʢ;FOE.FNPSZ.BOBHFSͷ֎Ͱʣ࢖༻͞Ε·͢ɻ

@2020 Torana, Inc. ༨ஊ ଞʹ΋ૹΒΕͯ͘Δ1045ͷαΠζΛܾఆ͢ΔQPTU@NBY@TJ[FͳͲ͕ ͋Γ·͢ɻ ͭ·ΓQPTU@NBY@TJ[F͸αʔόʔ͕Ұ࣌ϑΝΠϧΛ࡞੒Ͱ͖Δ༰ྔ ʹΑܾͬͯఆ͢΂͖Ͱ͋Δͱݴ͑·͢ɻ
ొஃ಺༰͔ΒҳΕΔͷͰৄࡉ͸ׂѪ͠·͕͢ɼҰ࣌ϑΝΠϧɼ ΦʔϓϯՄೳͳϑΝΠϧ਺ͳͲΛߟྀͨ͠ͱ͖ʹɼ   Χʔωϧύϥϝʔλͷௐ੔͕ඞཁʹͳΔՄೳੑ΋͋Γ͑·͢ɻ

@2020 Torana, Inc. ༨ஊ ಉ༷ʹΞοϓϩʔυ͢ΔϑΝΠϧͷ੍ݶΛ͢ΔVQMPBE@NBY@ fi MFTJ[F΋ ͋Γ·͢ɻ
͜Ε͸QPTU@NBY@TJ[FVQMPBE@NBY@ fi MFTJ[FͰ͋Δඞཁ͕͋Γ ·͢ɻQPTU@NBY@TJ[F͕શମͷ1045ͷαΠζΛࢦఆ͢Δͷʹର͠ ͯɼVQMPBE@NBY@ fi MFTJ[F͸1045ͷதͷૹ৴͞ΕͨNVMUJQBSUΛ ࢀর͢ΔͨΊͰ͢ɻ ͳ͓ɼ͜Ε͸ϑΝΠϧ͋ͨΓͰ͸ͳ͘ɼશͯͷϑΝΠϧͷ   αΠζͷ߹ܭͰ͢

1)1ͷϝϞϦͱม਺ͷؔ܎

@2020 Torana, Inc. 1)1ͷϝϞϦͱม਺ͷؔ܎ ม਺ʹೖΔ஋͸ɼͦͷ··૝ఆͨ͠஋͕ೖΔΘ͚Ͱ͸ͳ͍ 1)1ͷม਺͸$P8ʢ$PQZPO8SJUFʣͰ͋Δ ྫ͑͹ҎԼͷίʔυ͸Λظ଴͢Δ͕ɼ࣮ࡍ͸Ͱग़ྗ͞ΕΔɻ
 

@2020 Torana, Inc. 1)1ͷϝϞϦͱม਺ͷؔ܎ ม਺ʹೖΔ஋͸ɼͦͷ··૝ఆͨ͠஋͕ೖΔΘ͚Ͱ͸ͳ͍ ͔͠͠ɼҎԼͷΑ͏ʹίʔυΛॻ͖׵͑ͨ৔߹ɼ ͷϝϞϦফඅྔ
͕͋Δ͜ͱ͕Θ͔Γ·͢ ͭ·Γɼ࢖ΘΕ͍ͯͳ͍ม਺Ͱ΋ɼϝϞϦ͸ফඅ͞ΕΔͱ͍͏͜ͱͰ͢  

@2020 Torana, Inc. 1)1ͷϝϞϦͱม਺ͷؔ܎ ม਺ʹೖΔ஋͸ɼͦͷ··૝ఆͨ͠஋͕ೖΔΘ͚Ͱ͸ͳ͍ ϓϦϛςΟϒͳ஋Λࢦఆ͢Δ৔߹ͱɼؔ਺ݺͼग़͕͋͠Δ৔߹Ͱ͸·ͬͨ͘ ΋ͬͯҧ͏ͱ͍͏͜ͱ͕Θ͔Γ·͢ɻ
ྫ͑͹͜ΕΛJOUܕ΍BSSBZܕͷ஋ʹஔ͖׵͑ͨΒͱग़ྗ͞ΕΔ͜ͱ͕Θ ͔Γ·͢ɻͪͳΈʹNFNPSZ@HFU@QFBL@VTBHFͰ΋ಉ༷Ͱ͢ɻ ͭ·Γɼؔ਺ݺͼग़͠͸߇͑ͯɼϓϦϛςΟϒܕͰͳΔ΂͘ॲཧ͢Δ΄͏͕ ;FOE.FNPSZ.BOBHFS্ͷϝϞϦ࢖༻ޮ཰͸Լ͕Δͱݴ͑·͢

@2020 Torana, Inc. 1)1ͷϝϞϦͱม਺ͷؔ܎ ม਺ʹೖΔ஋͸ɼͦͷ··૝ఆͨ͠஋͕ೖΔΘ͚Ͱ͸ͳ͍ ͱ͸͍͑ɼϓϦϛςΟϒܕͷϝϞϦফඅྔ͕θϩ͔ͱ͍͏ͱͦ͏Ͱ͸ͳ͍ͷ Ͱ͢ɻ
ྫ͑͹ઌ΄ͲͷྫΛ഑ྻʹ͢ΔͱͲ͏ͳΔͰ͠ΐ͏͔ɻ

@2020 Torana, Inc. 1)1ͷϝϞϦͱม਺ͷؔ܎ ม਺ʹೖΔ஋͸ɼͦͷ··૝ఆͨ͠஋͕ೖΔΘ͚Ͱ͸ͳ͍ ϝϞϦফඅྔ͸ CZUFTͱͳΓɼCZUFT૿͑Δ͜ͱ͕Θ͔Γ·
͢ɻ ࣍ݩ഑ྻɼ࣍ݩ഑ྻͱ૿΍͍ͯ͘͠ͱɼϝϞϦফඅྔ͕૿͍͖͑ͯ·͢ ഑ྻʹ͢Δ͚ͩͰ΋࢖༻ྔ͕มΘΔͱ͍͏͜ͱ͕Θ͔Γ·͢ɻ จࣈྻܕ΍഑ྻܕͳͲ͕Ͳͷ͘Β͍ϝϞϦΛ࢖͏͔ʹ͍ͭͯ͸   [FOE@UZQFTIʹهࡌ͞Ε͍ͯ·͢

@2020 Torana, Inc. 1)1ͷϝϞϦͱม਺ͷؔ܎ ม਺ʹೖΔ஋͸ɼͦͷ··૝ఆͨ͠஋͕ೖΔΘ͚Ͱ͸ͳ͍ ਺஋ܕͷ৔߹͸[FOE@MPOHIͰ؅ཧ จࣈྻͷ৔߹ ഑ྻͷ৔߹

@2020 Torana, Inc. 1)1ͷϝϞϦͱม਺ͷؔ܎ ม਺ʹೖΔ஋͸ɼͦͷ··૝ఆͨ͠஋͕ೖΔΘ͚Ͱ͸ͳ͍ ·ͨɼJOUܕ΍TUSJOHܕͩͬͨΒৗʹ͔ͱ͍͏ͱɼͦ͏͍͏Θ͚Ͱ͸͋ Γ·ͤΜɻ
ӈਤͷΑ͏ʹจࣈྻΛ.#ॻ͖ग़ͨ͠   ϑΝΠϧΛ࡞੒͠ɼ࣮ࡍʹ࣮ߦ͢Δͱ   ҎԼͷΑ͏ʹΤϥʔ͕ग़·͢

($ͱऑࢀরʢ8FBLSFGʣ

@2020 Torana, Inc. ($ͱऑࢀরʢ8FBLSFGʣ ($ (BSCBHF$PMMFDUJPO ΨϕʔδίϨΫγϣϯ ͸ɼҰఆͷ৚݅Λຬͨͨ͠ ৔߹ʹɼม਺΍஋ͷϝϞϦղ์Λߦ͏΋ͷͰ͢
؆ܿʹݴ͑͹1)1ʹ͸SFGDPVOUͱݺ͹ΕΔ΋ͷ͕͋Γɼ͜ͷ஋Λ༻͍ ͯɼ($ͷର৅Ͱ͋Δ͔Ͳ͏͔Λ൑ఆ͍ͯ͠·͢ ࢀরIUUQTXXXQIQOFUNBOVBMKBGFBUVSFTHDSFGDPVOUJOH CBTJDTQIQ

@2020 Torana, Inc. ($ͱऑࢀরʢ8FBLSFGʣ ಛʹ໰୊ʹͳΓ΍͍͢ͷ͸॥؀ࢀরͰ͢ɻ ॥؀ࢀরͱ͸ɼ"ͱ#ͷΦϒδΣΫτ΍ม਺͕͋ͬͨͱ͖ʹɼ"͕#Λɼ #͕"Λࢀরʢ˺ґଘʣ͢Δঢ়ଶΛࢦ͠ɼϝϞϦ͕֬อ͞Εͨ··ʹͳ Γɼ࠷ऴతʹϝϞϦϦʔΫͱͳͬͯ͠·͏΋ͷͰ͢ɻ
॥؀ࢀর͕ൃੜ͢Δͱ($͕૸Δ·Ͱ͸ɼϝϞϦ͕ফඅ͞Εͯ͠·͍·͢ɻ ͕ͨͬͯ͠ɼͦ΋ͦ΋॥؀ࢀরʹͳΒͳ͍Α͏ͳΞʔΩςΫνϟΛ   ਪ঑͠·͢

@2020 Torana, Inc.

@2020 Torana, Inc. ($ͱऑࢀরʢ8FBLSFGʣ ಛʹ໰୊ʹͳΓ΍͍͢ͷ͸॥؀ࢀরͰ͢ɻ ($͕૸Βͳ͍৔߹ɼҎԼͷΑ͏ʹ"MMPXFENFNPSZTJ[FPG͕ग़ྗ͞Ε ·͢ɻ

@2020 Torana, Inc. ($ͱऑࢀরʢ8FBLSFGʣ ಛʹ໰୊ʹͳΓ΍͍͢ͷ͸॥؀ࢀরͰ͢ɻ ҰํͰखಈͰHD@DPMMFDU@DZDMFTΛ࣮ߦ ʢFDIPDZDMFਅԼʹ௥Ճʣͨ͠৔߹ɼ ӈਤͷΑ͏ʹ࠷ޙ·Ͱ࣮ߦ͞ΕΔ͜ͱ͕
Θ͔Γ·͢ɻ

@2020 Torana, Inc. ($ͱऑࢀরʢ8FBLSFGʣ ಛʹ໰୊ʹͳΓ΍͍͢ͷ͸॥؀ࢀরͰ͢ɻ SFGDPVOU͕૿͍͑ͯͨ͘Ίɼ($ΛखಈͰൃಈ͠ͳ͍ͱϝϞϦղ์͕ߦΘ Εͳ͍͜ͱ͕Θ͔Γ·ͨ͠ɻ
ͱ͸͍͑ɼ1)1্Ͱ೚ҙͷλΠϛϯάͰ($Λ૸ΒͤΔͷ͸ਓྨʹ͸·ͩ ૣ͍ͨΊɼऑࢀরΛ࢖༻͢Δ͜ͱͰɼ॥؀ࢀরͷ໰୊ΛղܾͰ͖·͢

@2020 Torana, Inc.

ϕετϓϥΫςΟε

ࠓ·Ͱͷલఏ஌ࣝΛ౿·͑ͯʜ

ϝϞϦফඅྔΛ࡟ݮ͢Δʹ͸

@2020 Torana, Inc. ϝϞϦফඅྔΛ࡟ݮ͢Δʹ͸ ઌ΄Ͳͷষ͔Βɼ.#୯ҐͰߟྀͨ͠΄͏͕ྑ͍ͱ͍͏͜ͱΛड़΂·ͨ͠ ·ͨɼม਺ʹ஋Λࡌͤ͗ͯ͢͠·͏ͱ"MMPXFENFNPSZTJ[FPG͕ग़Δ͜ͱ ΋Θ͔Γ·ͨ͠
͕ͨͬͯ͠ɼ͏·͘όοϑΝ΍εϫοϓΛ࢖༻ͯ͠ϝϞϦফඅྔΛ࡟ݮ্ͯ͠ ͛Δඞཁ͕͋Γ·͢

2NFNPSZ@MJNJUͷ஋ͷ   ϕετϓϥΫςΟε

@2020 Torana, Inc. 2NFNPSZ@MJNJUͷ஋ͷϕετϓϥΫςΟε /ʢ/͸ࣗવ਺ʣ.#Λߟྀͯ͠NFNPSZ@MJNJUઃఆΛ͠·͠ΐ͏ɻ ͦ΋ͦ΋NFNPSZ@MJNJUͷԼݶ͸.# ;&/%@..@$)6/,@4*;&ʹΑΔ
ͳͷ ͰɼϝϞϦফඅྔ.#Ҏ಺Ͱॲཧ͕ॻ͚Δͱϕετ ͜Ε͸NFNPSZ@MJNJUͷσϑΥϧτ.#Ͱ͋ͬͯ΋ɼॳճͷղ์͞ΕΔ஋ ͕.#ͱ͍͏͜ͱͰ͢ɻ ྫ͑͹"84Λ࢖༻͍ͯ͠ΔํͰDMBSHFΛબఆ͍ͯ͠Δ৔߹͸ϝϞϦ͸(# ͱͳΔͷͰɼQIQGQNͳͲͷଞϓϩηεͷϝϞϦ࢖༻ྔ΋Ճຯ্ͨ͠Ͱ . / / /͸ࣗવ਺ ͳͲͱݟੵ΋Δͱྑ͍Ͱ͢

2NFNPSZ@MJNJUҎ্ʹ   େ͖͍จࣈྻΛѻ͍͍ͨ৔߹

@2020 Torana, Inc. 2NFNPSZ@MJNJUҎ্ʹେ͖͍จࣈྻΛѻ͍͍ͨ৔߹ εϫοϓ΍όοϑΝΛ͏·͘ѻ͍·͠ΐ͏ ྫ͑͹NFNPSZ@MJNJUΛ.ͱࢦఆ͍ͯ͠Δ͕ɼ.ͷϑΝΠϧͷத਎Λ   ग़ྗ͍ͨ͠৔߹AFDIP
fi MF@HFU@DPOUFOUT UFTU@IFBWZMPH AͷΑ͏ʹ   ۪௚ʹग़ྗ͢Δͱ"MMPXFENFNPSZTJ[FPG͕ग़ྗ͞ΕΔͨΊɼ   ࣍ͷϖʔδͷΑ͏ʹ෼ׂͯ͋͛͠Δ͜ͱͰϝϞϦফඅྔΛ཈͑Δ͜ͱ͕Մೳ Ͱ͢ɻ  

@2020 Torana, Inc.

@2020 Torana, Inc. 2M ʹมߋ͢ΔͱϝϞϦෆ଍Ͱ Allowed memory size of ...
͕ग़ྗ͞ΕΔ

@2020 Torana, Inc. 2NFNPSZ@MJNJUҎ্ʹେ͖͍จࣈྻΛѻ͍͍ͨ৔߹ 1)1Λհͯ͠ը૾ΛCBTFͱͯ͠ग़ྗ͍ͨ͠ʜ ϑΝΠϧαΠζ͕খ͍͞ɼ΋͘͠͸ఆ·͍ͬͯΔͷͳΒ͹ɼ·ͩڐ༰Ͱ͖Δ ϑΝΠϧαΠζ͕େ͖͍৔߹͸Ұ޻෉͕ඞཁ
CBTF@FODPEFCBTF@EFDPEF͸શͯͷจࣈྻΛ౉͢ඞཁ͕͋Δ CZUFT͝ͱʹ෼ׂͯ͠CBTF@FODPEFͯ͠ରԠՄ ࢀরIUUQTXXXQIQOFUNBOVBMKBGVODUJPOCBTF FODPEFQIQ

@2020 Torana, Inc. ෼ׂͰग़ྗ͢Δ͜ͱͰɼmemory_limit ͕   2M Ͱ΋ਖ਼͘͠දࣔͰ͖Δ

@2020 Torana, Inc. 2NFNPSZ@MJNJUҎ্ʹେ͖͍จࣈྻΛѻ͍͍ͨ৔߹ 1)1Λհͯ͠ը૾ΛCBTFͱͯ͠ग़ྗ͍ͨ͠ʜ ϑΝΠϧαΠζ͕େ͖͍৔߹͸Ұ޻෉͕ඞཁ ͱ͸͍͑ɼͦ΋ͦ΋ϑΝΠϧαΠζ͕େ͖͍Մೳੑ͕͋Δ৔߹͸ɼ
  ΍Βͳ͍Α͏ʹ͠·͠ΐ͏ ഑৴αʔϏεͰͳ͍ͷͰ͋Ε͹ɼ$%/Λ׆༻͢ΔͳͲͷ୅ସखஈΛ   औΔ΂͖Ͱ͢

@2020 Torana, Inc. PC@TUBSUPC@HFU@DMFBOΛ࢖ͬͯग़ྗ   ͞ΕΔ΋ͷΛऔಘ͍ͨ͠ PC@TUBSUͷୈҾ਺ʹίʔϧόοΫΛࢦ ఆ͢Δ͜ͱ͕Ͱ͖·͢ɻ
ࢦఆͨ͠νϟϯΫαΠζͷ஋͕ίʔϧ όοΫʹ౉͞ΕΔͷͰɼ͜ΕΛར༻͠ ͯɼผϑΝΠϧʹॻ͖ࠐΉ͜ͱͰ   ϝϞϦফඅྔΛ཈͑ΒΕ·͢ 2NFNPSZ@MJNJUҎ্ʹେ͖͍จࣈྻΛѻ͍͍ͨ৔߹

2($ͱͷ෇͖߹͍ํ

@2020 Torana, Inc. 2($ͱͷ෇͖߹͍ํ ($Λ͏·͘׆༻͢ΔͨΊʹ͸ɼͳΔ΂͘ม਺ͷϥΠϑαΠΫϧΛ୹͘͢Δ   ඞཁ͕͋Γ·͢ ͭ·Γ($͕ͪΌΜͱ૸ΔΑ͏ʹɼؔ਺ɾΫϥεͱͯ͠ఆٛ͢Δ
ద੾ʹDMPOFΛͨ͠΄͏͕ɼ࣮͸ϝϞϦফඅྔ͕গͳͯ͘ࡁΉ άϩʔόϧม਺΍੩తϓϩύςΟͳͲʹ͓͍ͯɼෆཁͰ͔ͭେ͖͍஋ͷ΋ͷͷ   ϥΠϑαΠΫϧΛৗʹߟ͑ΔΑ͏ʹ͢Δ ॥؀ࢀর͕ͳ͍Α͏ͳίʔυͷॻ͖ํΛ͢Δ ॥؀ࢀর͕ൃੜ͢Δ৔߹͸8FBLSFGΛ࢖͑ͳ͍͔ݕ౼Λ͢Δ

@2020 Torana, Inc. clone Λ࢖͏ͱ॥؀ࢀরͰ͸ͳ͘ͳΔͨΊ  memory_limit ͕ 2M Ͱ΋࠷ޙ·Ͱग़ྗͰ͖Δ

@2020 Torana, Inc. 2($ͱͷ෇͖߹͍ํ ($Λ͏·͘׆༻͢ΔͨΊʹ͸ɼͳΔ΂͘ม਺ͷϥΠϑλΠϜΛ୹͘͢Δ   ඞཁ͕͋Γ·͢ VOTFU͸ׂͱؾٳΊʹ͔͠ͳΒͳ͍ͳͱ͍͏ײ৮͸͋Γ·͢ɻ
  ʢࢲͷײ૝Ͱ͢ʣ ྫ͑͹ɼઌ΄ͲͷྫͰDZDMF DZDMFΛVOTFUͯ͠΋"MMPXFENFNPSZTJ[FPGͱ ग़ΔͷͰ ͨͩVOTFUͷ࣮ߦ࣌ϑοΫ͍ͯ͠Δॲཧ΋͋ΔͷͰɼVOTFUͱHD@DPMMFDU@DZDMFT͸   ηοτͰ͋Δͱߟ͑ͨ΄͏͕ྑͦ͞͏Ͱ͢ɻ ͦΕΑΓ΋ɼ($͕૸ΔλΠϛϯάɼ৔߹ʹΑͬͯ͸HD@DPMMFDU@DZDMFTΛ૸ΒͤΔλΠϛϯ άΛࣗ෼Ͱௐઅͨ͠΄͏͕ྑ͍ͱݴ͑ΔͰ͠ΐ͏

·ͱΊ

@2020 Torana, Inc. ·ͱΊ ϝϞϦͷফඅྔ͸.#Λҙࣝ͢Δ ($ͱ͏·͘෇͖߹͓͏ όοϑΝͱεϫοϓΛ͏·͘׆༻͠Α͏ Ұੜ෼ϝϞϦͱ͍͏୯ޠΛ࢖ͬͨؾ͕͠·͢

5)"/,:06'03:063-*45&/*/(

PHP メモリ管理術

PHP メモリ管理術

More Decks by memory

Other Decks in Technology

Featured

Transcript