سِجِلَةُ "جَمْعِ النَّفَايَا" مِنْ جَوْمِيَّةٍ مُصَوَّرَةٌ كَمَا يَلِي: 1. مَنْ كُلُّ سَلْسَلَةٍ تَمْثِلُ جَمْعَ قَمْحٍ وَاحِدٍ يَبْدَأُ بِالْمِيعَادِ. 2. مَنْ قَبْلَ وَبَعْدَ أَحْمَدَ مَسَاحَاتِ الْمَذْكُورَةِ الْمُخْتَلِفَةِ فِي الْجَامِعِ الْمُتَشَابِهِ تُعْرَضُ كَ "مَسَاحَةِ الْمَذْكُورَةِ: قَبْلَ الْحَدِّ->بَعْدَ الْحَدِّ->مَسَاحَةِ الْمَنْصُوبِ" حَيْثُ تَكُونُ مَسَاحَةُ الْمَذْكُورَةِ أَحَدَ الْمَسَاحَاتِ الْمُتَشَابِهَةِ: PSYoungGen، ParOldGen، أو Metaspace. ثَالِثَةٌ إِنْ "MemoryArea:" مَحْذُوفَة، تَمْثِلُ قَبْلَ وَبَعْدَ الحَجمِ مِنْ كُلّ JVM's ذِكْر. أَرْبَعٌ كُلُّ سِلْكَةٍ لَهَا زَمَنُ الْعَمَلِ بِسَاعَاتٍ.  لَخُصِّصْ السِّجِلَّةَ التَّالِيَةَ وَاحْذَرْ أَيَّ شَذَائِفَ مُهِمَّةٍ: 2023-03-30T07:00:19.800+0000: [GC (Allocation Failure) [PSYoungGen: 17197776K->2224032K(21782528K) ] 64496630K->49524856K(79218176K), 3.2658630 secs] [Times: user=4.53 sys=0.00, real=3.27 secs] 2023-03-30T07:01:06.553+0000: [GC (Allocation Failure) [PSYoungGen: 17471392K->2195300K(22969344K) ] 64772216K->49530782K(80404992K), 3.3074224 secs] [Times: user=4.63 sys=0.00, real=3.30 secs] 2023-03-30T07:01:56.129+0000: [GC (Allocation Failure) [PSYoungGen: 19045732K->2429792K(22598656K) ] 66381214K->49767742K(80034304K), 3.5912859 secs] [Times: user=4.94 sys=0.00, real=3.59 secs] 2023-03-30T07:02:46.034+0000: [GC (Allocation Failure) [PSYoungGen: 19280224K->2428421K(23520768K) ] 66618174K->49768148K(80956416K), 3.6520001 secs] [Times: user=5.07 sys=0.03, real=3.65 secs] 2023-03-30T07:03:39.130+0000: [GC (Allocation Failure) [PSYoungGen: 20488709K->2600800K(23257088K) ] 67828436K->49943004K(80692736K), 3.8378192 secs] [Times: user=5.19 sys=0.00, real=3.84 secs] 2023-03-30T07:04:31.634+0000: [GC (Allocation Failure) [PSYoungGen: 20661088K->2550592K(23885312K) ] 68003292K->49894476K(81320960K) ، 3.7886199 secs] [Times: user=5.15 sys=0.00, real=3.78 secs] 2023-03-30T07:05:28.784+0000: [GC (Allocation Failure) [PSYoungGen: 21416768K->2709510K(23698432K) ] 68760652K->50055163K(81134080K) ، 3.9951697 secs] [Times: user=5.54 sys=0.00, real=3.99 secs] 2023-03-30T07:06:24.857+0000: [GC (Allocation Failure) [PSYoungGen: 21575686K->2709696K(24113664K) ] 68921339K->50058933K(81549312K) ، 4.0210395 secs] [Times: user=5.47 sys=0.01, real=4.02 secs] 2023-03-30T07:07:21.991+0000: [GC (Allocation Failure) [PSYoungGen: 22106304K->2835749K(24000512K) ] 69455541K->50186794K(81436160K), 4.0703042 secs] [Times: user=5.76 sys=0.00, real=4.06 secs] [تَمَامُ الْمُسْتَخْدَمِيَّةِ: الْمُسْتَخْدَمَةُ: الْمُسْتَخْدَمَةُ: الْمُسْتَخْدَمَةُ: الْمُسْتَخْدَمَةُ: الْمُسْتَخْدَمَةُ: الْمُسْتَخْدَمَةُ] 2023-03-30T07:08:18.668+0000: [GC (Allocation Failure) [PSYoungGen: 22232357K->2785312K(24265216K) ] 69583402K->50204626K(81700864K) ، 4.1296625 secs] [Times: user=5.77 sys=0.00, real=4.13 secs] 2023-03-30T07:09:16.891+0000: [GC (Allocation Failure) [PSYoungGen: 22510624K->2834405K(24177664K) ] 69929938K->50255520K(81613312K) ، 4.2070487 secs] [Times: user=5.89 sys=0.01, real=4.21 secs] 2023-03-30T07:10:15.553+0000: [GC (Allocation Failure) [PSYoungGen: 22559717K->2842896K(24403456K) ] 69980832K->50266688K(81839104K), 4.2489383 secs] [Times: user=5.83 sys=0.02, real=4.24 secs] 2023-03-30T07:11:15.412+0000: [GC (Allocation Failure) [PSYoungGen: 22863632K->2880069K(24334848K) ] 70287424K->50306742K(81770496K) ، 4.2983311 secs] [Times: user=6.01 sys=0.00, real=4.29 secs] 2023-03-30T07:12:17.330+0000: [GC (Allocation Failure) [PSYoungGen: 22900805K->2670097K(24596992K) ] 70327478K->50099432K(82032640K) ، 3.9450690 secs] [Times: user=5.44 sys=0.00, real=3.95 secs] 2023-03-30T07:13:15.713+0000: [GC (Allocation Failure) [PSYoungGen: 23009297K->2684375K(24459776K) ] 70438632K->50115773K(81895424K) ، 3.9758416 secs] [Times: user=5.53 sys=0.00, real=3.97 secs] 2023-03-30T07:14:12.939+0000: [GC (Allocation Failure) [PSYoungGen: 23023575K->2678912K(24829952K) ] 70454973K->50113093K(82265600K) ، 3.9702778 secs] [Times: user=5.52 sys=0.00, real=3.97 secs] 2023-03-30T07:15:12.343+0000: [GC (Allocation Failure) [PSYoungGen: 23508608K->2753575K(24717312K) ] 70942789K->50189628K(82152960K) ، 4.0754481 secs] [Times: user=5.72 sys=0.00, real=4.08 secs] 2023-03-30T07:16:13.026+0000: [GC (Allocation Failure) [PSYoungGen: 23583271K->2762097K(24974336K) ] 71019324K->50201762K(82409984K) ، 4.1128461 secs] [Times: user=5.66 sys=0.00, real=4.11 secs] 2023-03-30T07:17:14.129+0000: [GC (Allocation Failure) [PSYoungGen: 23924593K->2797957K(24905728K) ] 71364258K->50239629K(82341376K) ، 4.1456776 secs] [Times: user=5.74 sys=0.01, real=4.15 secs] 2023-03-30T07:18:14.857+0000: [GC (Allocation Failure) [PSYoungGen: 23960453K->2804721K(25075712K) ] 71402125K->50249103K(82511360K), 4.1905285 secs] [Times: user=5.73 sys=0.01, real=4.19 secs] 2023-03-30T07:19:15.979+0000: [GC (Allocation Failure) [PSYoungGen: 24189937K->3641846K(25027072K) ] 71634319K->51171235K(82462720K), 3.6175882 secs] [Times: user=5.94 sys=0.00, real=3.62 secs] 2023-03-30T07:22:24.484+0000: [GC (Allocation Failure) [PSYoungGen: 25027062K->3360979K(24336896K) ] 72556451K->52269877K(81772544K) ، 0.4407322 secs] [Times: user=5.66 sys=0.00, real=0.44 secs] 2023-03-30T07:22:38.974+0000: [GC (Allocation Failure) [PSYoungGen: 24007379K->4035567K(24681984K) ] 72916277K->57145380K(82117632K), 0.8531910 secs] [Times: user=10.80 sys=0.23, real=0.85 secs] 2023-03-30T07:22:52.666+0000: [GC (Allocation Failure) [PSYoungGen: 24677029K->24677029K(24681984K) ] 77786841K->82112670K(82117632K) ، 7.3509182 secs] [Times: user=22.60 sys=11.27, real=7.35 secs] 2023-03-30T07:23:00.017+0000: [Full GC (Ergonomics) [PSYoungGen: 24677029K->0K(24681984K) ] [ParOldGen: 57435641K->57435322K(57435648K) ] 82112670K->57435322K(82117632K), [Metaspace: 241941K->241941K(260096K) ] 26.4487596 secs [Times: user=313.82 sys=2.44, real=26.45 secs] 2023-03-30T07:24:07.186+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->12427037K(24681984K) ] [ParOldGen: 57435322K->57435609K(57435648K) ] 78081722K->69862646K(82117632K), [Metaspace: 241947K->241947K(260096K) ] 28.8675082 secs [Times: user=350.97 sys=1.74, real=28.87 secs] 2023-03-30T07:24:36.057+0000: [Full GC (System.gc()) [PSYoungGen: 12730000K->12427055K->24681984K) ] [ParOldGen: 57435609K->57435556K->57435648K) ] 70165609K->69862611K->82117632K) ، [Metaspace: 241947K->241947K->260096K] ، 31.3736816 secs] [Times: user=379.38 sys=2.94، real=31.37 secs] 2023-03-30T07:25:18.096+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->16985330K(24681984K) ] [ParOldGen: 57435556K->57435308K(57435648K) ] 78081956K->74420638K(82117632K), [Metaspace: 241999K->241999K(260096K) ], 31.4762980s] [Times: user=363.38 sys=3.10, real=31.48 secs] 2023-03-30T07:25:54.537+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->19116969K(24681984K) ] [ParOldGen: 57435308K->57435152K(57435648K) ] 78081708K->76552122K(82117632K), [Metaspace: 241999K->241999K(260096K) ], 31.0418139 secs] [Times: user=377.34 sys=2.75, real=31.04 secs] 2023-03-30T07:26:27.487+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->19955901K(24681984K) ] [ParOldGen: 57435152K->57435290K(57435648K) ] 78081552K->77391191K(82117632K), [Metaspace: 241999K->241999K(260096K) ], 22.9475977 secs] [Times: user=280.80 sys=1.57, real=22.95 secs] 2023-03-30T07:26:51.319+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20340549K(24681984K) ] [ParOldGen: 57435290K->57435523K(57435648K) ] 78081690K->77776072K(82117632K), [Metaspace: 242004K->242004K(260096K) ] 37.2564843 secs [Times: user=458.29 sys=3.35, real=37.26 secs] 2023-03-30T07:27:28.892+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20465997K(24681984K) ] [ParOldGen: 57435523K->57435230K(57435648K) ] 78081923K->77901227K(82117632K), [Metaspace: 242007K->242007K(260096K) ], 31.4213545 secs] [Times: user=382.65 sys=2.74, real=31.42 secs] 2023-03-30T07:28:00.350+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20492397K(24681984K) ] [ParOldGen: 57435230K->57435139K(57435648K) ] 78081630K->77927536K(82117632K), [Metaspace: 24K2011->201124K(260096K) ] 17.3069966 secs [Times: user=209.34 sys=0.45, real=17.31 secs] 2023-03-30T07:28:17.694+0000: [Full GC (Ergonomics) [PSYoungGen: 20639999K->20482496K(24681984K) ] [ParOldGen: 57435139K->57435581K(57435648K) ] 78075138K->77918078K(82117632K), [Metaspace: 242023K->242023K(260096K) ] 39.0253664 secs [Times: user=478.37 sys=3.87, real=39.02 secs] 2023-03-30T07:28:56.752+0000: [Full GC (Ergonomics) [PSYoungGen: 20629482K->20490559K->24681984K) ] [ParOldGen: 57435581K->57435269K->57435648K) ] 78065064K->77925828K->82117632K) ، [Metaspace: 242023K->242023K->260096K] ، 32.7146380 sec] [Times: user=398.86 sys=2.93, real=32.71 secs] 2023-03-30T07:29:29.592+0000: [Full GC (Ergonomics) [PSYoungGen: 20627596K->20498740K(24681984K) ] [ParOldGen: 57435269K->57435482K(57435648K) ] 78062865K->77934223K(82117632K), [Metaspace: 242029K->242029K(260096K) ] 39.9805382 secs [Times user=491.39 sys=4.10, real=39.98 secs] 2023-03-30T07:30:09.618+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20529006K(24681984K) ] [ParOldGen: 57435482K->57435402K(57435648K) ] 78081882K->77964408K(82117632K), [Metaspace: 242038K->242038K(260096K) ], 31.3632706 secs] [Times: user=382.46 sys=2.74, real=31.36 secs] 2023-03-30T07:30:41.012+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20535638K(24681984K) ] [ParOldGen: 57435402K->57435345K(57435648K) ] 78081802K->77970983K(82117632K), [Metaspace: 242053K->242053K(260096K) ], 31.0060106 secs] [Times: user=377.25 sys=2.72, real=31.00 secs] 2023-03-30T07:31:12.022+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20535719K(24681984K) ] [ParOldGen: 57435345K->57435297K(57435648K) ] 78081745K->77971016K(82117632K), [Metaspace: 242053K->242053K(260096K) ] 31.1714473 sec] [Times: user=380.42 sys=2.74, real=31.18 secs] 2023-03-30T07:31:43.215+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20536490K(24681984K) ] [ParOldGen: 57435297K->57435275K(57435648K) ] 78081697K->77971766K(82117632K), [Metaspace: 242061K->242061K(260096K) ] 30.9676462s] [Times: user=377.19 sys=2.88, real=30.96 secs] 2023-03-30T07:32:14.216+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20537679K(24681984K) ] [ParOldGen: 57435275K->57435244K(57435648K) ] 78081675K->77972923K(82117632K), [Metaspace: 242081K->242081K(260096K) ], 31.2592798 secs] [Times: user=379.77 sys=3.04, real=31.26 secs] 2023-03-30T07:32:45.532+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20518698K(24681984K) ] [ParOldGen: 57435244K->57435465K(57435648K) ] 78081644K->77954164K82(117632K), [Metaspace: 242123K->242123K2600(96K) ] 38.9523351 secs [Times user:=478.26 sys=4.04, real=38.95 secs] 2023-03-30T07:33:45.139+0000: [Full GC (Ergonomics) [PSYoungGen: 20627835K->20519977K(24681984K) ] [ParOldGen: 57435465K->57435334K(57435648K) ] 78063301K->77955311K(82117632K), [Metaspace: 242185K->242185K260096K) ], 31.8680480 secs [Times user:=388.66 sys=2.88, real=31.87 secs] 2023-03-30T07:34:17.045+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20529987K(24681984K) ] [ParOldGen: 57435334K->57435313K(57435648K) ] 78081734K->77965301K82(117632K), [Metaspace: 242185K->242185K26(0096K) ] 30.6528436 secs [Times: user=370.84 sys=3.05, real sec=30.65s] 2023-03-30T07:35:08.312+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20552578K(24681984K) ] [ParOldGen: 57435313K->57435312K(57435648K) ] 78081713K->77987890K(82117632K), [Metaspace: 242202K->242202K(260096K) ] 31.3030289 secs [Times: user=380.50 sys=2.90, real=31.30 secs] 2023-03-30T07:35:39.649+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20541558K(24681984K) ] [ParOldGen: 57435312K->57435297K(57435648K) ] 78081712K->77976855K(82117632K), [Metaspace: 242217K->242217K2600(96K) ], 31.4996226 secs [Times: user=384.32 sys=3.00, real sec=31.50s] 2023-03-30T07:36:11.199+0000: [Full GC (Ergonomics) [PSYoungGen: 20646400K->20562436K(24681984K) ] [ParOldGen: 57435297K->57435260K(57435648K) ] 78081697K->77997697K(82117632K), [Metaspace: 242238K->242238K(260096K) ], 31.1358920 sec] [Times: user=378.46 sys=3.00, real=31.14 secs]
1. مَنْ سِجِلَةُ لَهَا 47 جِيْسِيْرِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِيْنِ 2. مَنْ تَبْدَأُ أَشْغَالُ الْجَمْعِ الْمُتَقَدِّمِ بِمُرَادِ بِوَاحِدَةٍ فِي الدَّقِيقَةِ وَتَأْخُذُ أَقَلَّ مِنْ خَمْسِ ثُنُوَاتٍ كُلُّ وَاحِدَةٍ، لَكِنْ بَعْدَ السَّاعَةِ 7:23 فَجْأَةً تَأْخُذُ نَحْوَ 30 ثُنُوَةٍ كُلُّ وَاحِدَةٍ وَتَحْدُثُ مَرَّتَيْنِ فِي الدَّقِيقَةِ. بِأَقْوَالٍ أُخْرَى، فَفِي الْبَدْءِ تَأْخُذُ أَعْمَالُ الْمُحَرَّكَةِ نَصِيبًا صَغِيرًا مِنْ زَمَانِ الْجَوْمِيَّةِ، وَمِنْ بَعْدُ تَأْخُذُ كُلَّ زَمَانِهَا. ثَالِثَةٌ أَعْمَالُ GC فِي هَذِهِ الْمُدَّةِ الثَّانِيَةِ تَنْتَهِي إِلَى تَقَلُّصٍ صَغِيرٍ جِدًّا فِي كُلِّ حَجْرٍ وَمَسَاكِنِ PSYoungGen وParOldGen وMetaspace. هَذَا التَصَرُّفُ أَشَدُّ بَعْدَ 7: 26:51 ص. أَرْبَعٌ هَذَا يَدُلُّ عَلَى كَثِير مِنْ الْوَقْت مَصْرُوف فِي العمَلَات الْعَامَّة. خَامِسٌ كَمْ يَنْمُو الْمَحَافِظُ مِنْ 49.5 جيجا بايت إلى 52.3 جيجا بايت، لكن في المرحلة الثانية يَنْمُو بِحَوْلِ 78 جيجا بايت سِتَةٌ تَثَبَّتَ الحَجمُ المُعَيَّنُ لِلذِّكْرِ بِ82 جيجا بايتٍ فِي المُدَّةِ الثَّانِيَةِ مِنْ أَعْمَالِ الْمُحَرَّكِ، مُشِيرًا إلى حدٍ خارجي. سَبْعَة أُوصِي بِتَكْثِيرِ الْحِفْظِ الْأَكْبَرِ الْمُعَيَّنِ فَوْقَ الْحَدِّ الْمُسَمَّى بِ82 جِبْيَاتٍ، مُضَاعَفَةً إِذَا أَمْكَنَ، وَإِعَادَةِ التَّشْغِيلِ بِالْجَوْهَرِيَّةِ.