Google App Engine灵活设置中的应用内存不足

我正在开发一个托pipe在Google App Engine Flexible Environment中的Scala / PlayFramework应用程序，所以我使用Docker。 我的应用程序不时崩溃，因为它运行内存不足，但它不是java.lang.OutOfMemoryError。 Docker似乎有些问题。 我也尝试在不使用Docker的情况下在本地运行应用程序，它工作正常，没有观察到内存泄漏。 也许有人可以帮我读这些日志，解密他们，并找出如何解决这个问题：

15:31:41 OpenJDK 64-Bit Server VM (build 25.131-b11, mixed mode) 15:31:41 OpenJDK Runtime Environment (build 1.8.0_131-8u131-b11-1~bpo8+1-b11) 15:31:41 jvm_internals.cc:376] Loading internals from /opt/cdbg/cdbg_java_agent_internals.jar 15:31:41 jvmti_agent_thread.cc:99] Agent thread started: CloudDebugger_main_worker_thread 15:31:41 jvmti_agent.cc:213] JvmtiAgent::JvmtiOnVMInit initialization time: 249286 microseconds 15:31:40 Java VM started 15:31:40 Java debuglet initialization completed 15:31:40 Java debuglet initialization started 15:31:40 -XX:InitialHeapSize=514850816 -XX:MaxHeapSize=514850816 -XX:+ParallelRefProcEnabled -XX:+PrintCommandLineFlags -XX:+UseCompressedClassPointers -XX:+UseCompressedOops -XX:+UseG1GC 15:31:36 Health checks: instance=aef-default-20170929t133436-jql3 start=2017-09-29T12:28:01+00:00 end=2017-09-29T12:28:58+00:00 total=73 unhealthy=0 healthy=73 15:31:36 kernel: [ 6813.224698] Killed process 3909 (java) total-vm:2609000kB, anon-rss:601976kB, file-rss:0kB 15:31:35 kernel: [ 6813.217184] Out of memory: Kill process 3909 (java) score 589 or sacrifice child 15:31:35 kernel: [ 6813.209234] [15826] 0 15826 2714 72 10 0 0 bash 15:31:35 kernel: [ 6813.201272] [15825] 0 15825 2714 72 10 0 0 bash 15:31:35 kernel: [ 6813.193247] [15824] 0 15824 2714 72 10 0 0 bash 15:31:35 kernel: [ 6813.185171] [15823] 0 15823 2714 72 10 0 0 bash 15:31:35 kernel: [ 6813.177217] [15822] 0 15822 2714 248 10 0 0 bash 15:31:35 kernel: [ 6813.169106] [15796] 0 15796 9732 1724 24 0 0 python 15:31:35 kernel: [ 6813.161166] [15795] 0 15795 2714 93 10 0 0 bash 15:31:35 kernel: [ 6813.145428] [15787] 0 15787 1049 99 7 0 0 sh 15:31:35 kernel: [ 6813.137482] [15785] 0 15785 8272 442 20 0 0 cron 15:31:35 kernel: [ 6813.128573] [15764] 0 15764 13433 2044 30 0 0 manage_accounts 15:31:35 kernel: [ 6813.120448] [ 4226] 0 4226 11212 1896 26 0 0 python 15:31:35 kernel: [ 6813.111544] [ 4078] 0 4078 71364 1223 77 0 0 stackdriver-col 15:31:35 kernel: [ 6813.103421] [ 3970] 0 3970 1028 111 7 0 0 logger 15:31:35 kernel: [ 6813.094841] [ 3967] 0 3967 2354 286 10 0 0 run-scripts 15:31:35 kernel: [ 6813.086893] [ 3909] 0 3909 652250 150494 386 0 0 java 15:31:35 kernel: [ 6813.077967] [ 3897] 0 3897 48770 107 17 0 0 docker-containe 15:31:35 kernel: [ 6813.070114] [ 3893] 0 3893 34112 643 29 0 0 exe 15:31:35 kernel: [ 6813.062084] [ 3732] 0 3732 1971 147 9 0 0 proxy 15:31:35 kernel: [ 6813.053174] [ 3716] 0 3716 48770 99 18 0 0 docker-containe 15:31:35 kernel: [ 6813.045088] [ 3709] 0 3709 5347 187 14 0 -1000 udevd 15:31:35 kernel: [ 6813.037024] [ 3708] 0 3708 5347 187 14 0 -1000 udevd 15:31:35 kernel: [ 6813.028994] [ 3372] 104 3372 10296 1407 24 0 0 nginx 15:31:35 kernel: [ 6813.021055] [ 3370] 0 3370 184907 31672 147 0 0 ruby 15:31:35 kernel: [ 6813.013025] [ 3367] 0 3367 9685 787 24 0 0 nginx 15:31:35 kernel: [ 6813.005019] [ 3363] 0 3363 6476 60 18 0 0 cron 15:31:35 kernel: [ 6812.996082] [ 3256] 0 3256 5017 72 16 0 0 start_nginx.sh 15:31:35 kernel: [ 6812.987176] [ 3242] 0 3242 48770 105 18 0 0 docker-containe 15:31:35 kernel: [ 6812.979309] [ 3237] 0 3237 15150 925 26 0 0 exe 15:31:35 kernel: [ 6812.971373] [ 3042] 0 3042 90362 12353 85 0 0 ruby 15:31:35 kernel: [ 6812.962468] [ 3030] 0 3030 48770 119 17 0 0 docker-containe 15:31:35 kernel: [ 6812.954360] [ 2946] 0 2946 18144 4028 40 0 0 python 15:31:35 kernel: [ 6812.946505] [ 2945] 0 2945 1697 227 9 0 0 awk 15:31:35 kernel: [ 6812.938567] [ 2944] 0 2944 1039 28 8 0 0 tail 15:31:35 kernel: [ 6812.930631] [ 2938] 0 2938 2345 442 10 0 0 bash 15:31:35 kernel: [ 6812.922512] [ 2921] 0 2921 19781 4155 38 0 0 python 15:31:35 kernel: [ 6812.914383] [ 2914] 0 2914 1028 373 8 0 0 logger 15:31:35 kernel: [ 6812.906355] [ 2913] 0 2913 2328 329 10 0 0 run 15:31:35 kernel: [ 6812.898387] [ 2911] 0 2911 2325 358 10 0 0 bash 15:31:35 kernel: [ 6812.890259] [ 2763] 0 2763 1026 341 8 0 0 logger 15:31:35 kernel: [ 6812.881591] [ 2756] 0 2756 2316 337 10 0 0 run-scripts 15:31:35 kernel: [ 6812.873031] [ 2755] 0 2755 2315 363 10 0 0 run-scripts 15:31:35 kernel: [ 6812.864117] [ 2728] 0 2728 2312 388 10 0 0 run-startup-scr 15:31:35 kernel: [ 6812.855057] [ 2725] 0 2725 1049 344 8 0 0 google-startup- 15:31:35 kernel: [ 6812.847102] [ 2554] 101 2554 8723 380 22 0 0 ntpd 15:31:35 kernel: [ 6812.838896] [ 2520] 0 2520 41388 2803 59 0 0 kubelet 15:31:35 kernel: [ 6812.829992] [ 2485] 0 2485 9089 1877 21 0 0 manage_addresse 15:31:35 kernel: [ 6812.821087] [ 2473] 0 2473 12333 1856 26 0 0 manage_accounts 15:31:35 kernel: [ 6812.812769] [ 2471] 0 2471 1028 325 9 0 0 startpar 15:31:35 kernel: [ 6812.803860] [ 2301] 0 2301 49413 752 21 0 0 docker-containe 15:31:35 kernel: [ 6812.795738] [ 2267] 0 2267 129850 4168 60 0 0 docker 15:31:35 kernel: [ 6812.787782] [ 2211] 0 2211 5106 349 14 0 0 cron 15:31:35 kernel: [ 6812.779231] [ 2179] 0 2179 13124 2560 27 0 0 supervisord 15:31:35 kernel: [ 6812.771188] [ 2109] 0 2109 1033 363 8 0 0 acpid 15:31:35 kernel: [ 6812.762905] [ 2067] 0 2067 13218 116 20 0 0 rsyslogd 15:31:35 kernel: [ 6812.754621] [ 1958] 0 1958 3131 578 12 0 0 startpar 15:31:35 kernel: [ 6812.746832] [ 1949] 0 1949 1049 343 7 0 0 rc 15:31:35 kernel: [ 6812.738711] [ 1862] 0 1862 1378 828 8 0 -17 iscsid 15:31:34 kernel: [ 6812.722111] [ 1781] 0 1781 6328 53 17 0 0 rpc.idmapd 15:31:34 kernel: [ 6812.713705] [ 1765] 102 1765 5840 525 16 0 0 rpc.statd 15:31:34 kernel: [ 6812.705475] [ 1734] 0 1734 4747 318 15 0 0 rpcbind 15:31:34 kernel: [ 6812.697180] [ 1652] 0 1652 2492 654 9 0 0 dhclient 15:31:34 kernel: [ 6812.689141] [ 336] 0 336 5348 529 15 0 -1000 udevd 15:31:34 kernel: [ 6812.681184] [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name 15:31:34 kernel: [ 6812.678026] 0 pages hwpoisoned 15:31:34 kernel: [ 6812.674691] 5917 pages reserved 15:31:34 kernel: [ 6812.670748] 0 pages HighMem/MovableOnly 15:31:34 kernel: [ 6812.667762] 262043 pages RAM 15:31:34 kernel: [ 6812.664701] Total swap = 0kB 15:31:34 kernel: [ 6812.661699] Free swap = 0kB 15:31:34 kernel: [ 6812.656368] Swap cache stats: add 0, delete 0, find 0/0 15:31:34 kernel: [ 6812.652926] 0 pages in swap cache 15:31:34 kernel: [ 6812.649061] 2159 total pagecache pages 15:31:34 kernel: [ 6812.640512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 15:31:34 kernel: [ 6812.621964] Node 0 DMA32: 963*4kB (UEM) 668*8kB (UEM) 424*16kB (UEM) 267*32kB (UEM) 87*64kB (UE) 43*128kB (UEM) 10*256kB (UE) 4*512kB (UM) 0*1024kB 0*2048kB 1*4096kB (R) = 44300kB 15:31:34 kernel: [ 6812.604836] Node 0 DMA: 3*4kB (U) 2*8kB (U) 1*16kB (M) 3*32kB (UM) 4*64kB (UM) 1*128kB (M) 2*256kB (UM) 1*512kB (U) 1*1024kB (M) 1*2048kB (R) 0*4096kB = 4620kB 15:31:34 kernel: [ 6812.600368] lowmem_reserve[]: 0 0 0 0 15:31:34 kernel: [ 6812.556254] Node 0 DMA32 free:44300kB min:44352kB low:55440kB high:66528kB active_anon:897428kB inactive_anon:180kB active_file:2324kB inactive_file:2748kB unevictable:4004kB isolated(anon):0kB isolated(file):0kB present:1032180kB managed:1008512kB mlocked:4004kB dirty:0kB writeback:4kB mapped:5060kB shmem:768kB slab_reclaimable:12128kB slab_unreclaimable:12984kB kernel_stack:3952kB pagetables:6760kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:9142 all_unreclaimable? yes 15:31:34 kernel: [ 6812.551386] lowmem_reserve[]: 0 982 982 982 15:31:34 kernel: [ 6812.510053] Node 0 DMA free:4620kB min:700kB low:872kB high:1048kB active_anon:10024kB inactive_anon:8kB active_file:52kB inactive_file:196kB unevictable:72kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15908kB mlocked:72kB dirty:0kB writeback:4kB mapped:120kB shmem:16kB slab_reclaimable:344kB slab_unreclaimable:324kB kernel_stack:16kB pagetables:104kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:978 all_unreclaimable? yes 15:31:34 kernel: [ 6812.478038] free_cma:0 15:31:34 kernel: [ 6812.478038] mapped:1295 shmem:196 pagetables:1716 bounce:0 15:31:34 kernel: [ 6812.478038] free:12230 slab_reclaimable:3118 slab_unreclaimable:3327 15:31:34 kernel: [ 6812.478038] unevictable:1019 dirty:0 writeback:2 unstable:0 15:31:34 kernel: [ 6812.478038] active_file:594 inactive_file:736 isolated_file:0 15:31:34 kernel: [ 6812.478038] active_anon:226863 inactive_anon:47 isolated_anon:0 15:31:34 kernel: [ 6812.473125] CPU 0: hi: 186, btch: 31 usd: 30 15:31:34 kernel: [ 6812.469595] Node 0 DMA32 per-cpu: 15:31:34 kernel: [ 6812.464698] CPU 0: hi: 0, btch: 1 usd: 0 15:31:34 kernel: [ 6812.461226] Node 0 DMA per-cpu: 15:31:34 kernel: [ 6812.453398] [<ffffffff8151c4a8>] ? page_fault+0x28/0x30 15:31:34 kernel: [ 6812.447983] [<ffffffff810d683e>] ? SyS_futex+0x6e/0x150 15:31:34 kernel: [ 6812.441960] [<ffffffff810582c7>] ? __do_page_fault+0x177/0x4f0 15:31:34 kernel: [ 6812.435845] [<ffffffff8116c0fc>] ? handle_mm_fault+0x63c/0x1150 15:31:34 kernel: [ 6812.429379] [<ffffffff8116a8ce>] ? do_read_fault.isra.54+0x4e/0x300 15:31:34 kernel: [ 6812.423963] [<ffffffff81167d0a>] ? __do_fault+0x3a/0xa0 15:31:34 kernel: [ 6812.418114] [<ffffffff81141b40>] ? filemap_fault+0x1a0/0x420 15:31:34 kernel: [ 6812.411827] [<ffffffff8118894d>] ? alloc_pages_current+0x9d/0x150 15:31:34 kernel: [ 6812.405193] [<ffffffff8114940f>] ? __alloc_pages_nodemask+0x9ef/0xb50 15:31:34 kernel: [ 6812.399338] [<ffffffff81143543>] ? out_of_memory+0x473/0x4b0 15:31:34 kernel: [ 6812.393293] [<ffffffff8114299d>] ? find_lock_task_mm+0x3d/0x90 15:31:34 kernel: [ 6812.387176] [<ffffffff81142ddd>] ? oom_kill_process+0x21d/0x370 15:31:34 kernel: [ 6812.380707] [<ffffffff8115431c>] ? do_try_to_free_pages+0x4ac/0x520 15:31:34 kernel: [ 6812.374939] [<ffffffff810c44e4>] ? rcu_oom_notify+0xc4/0xe0 15:31:34 kernel: [ 6812.369089] [<ffffffff81068a53>] ? put_online_cpus+0x23/0x80 15:31:34 kernel: [ 6812.363759] [<ffffffff81518c3e>] ? mutex_lock+0xe/0x2a 15:31:34 kernel: [ 6812.357127] [<ffffffff810d6f6f>] ? smp_call_function_single+0x5f/0xa0 15:31:34 kernel: [ 6812.351396] [<ffffffff81511e59>] ? dump_header+0x76/0x1e8 15:31:34 kernel: [ 6812.345979] [<ffffffff81514281>] ? dump_stack+0x5d/0x78 15:31:34 kernel: [ 6812.343427] Call Trace: 15:31:34 kernel: [ 6812.335480] ffffffff81518c3e 0000000000000200 ffffffff81068a53 ffffffff810c44e4 15:31:34 kernel: [ 6812.327545] ffffffff81511e59 0000000000000000 ffffffff810d6f6f 0000000000000000 15:31:34 kernel: [ 6812.319569] 0000000000000000 ffffffff81514281 ffff88003cf5cce0 0000000000000000 15:31:34 kernel: [ 6812.310065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 15:31:34 kernel: [ 6812.300388] CPU: 0 PID: 4349 Comm: java Tainted: GC 3.16.0-4-amd64 #1 Debian 3.16.43-2+deb8u3 15:31:34 kernel: [ 6812.290586] java cpuset=c0a91fe17df33d2a8e0163bdb3c3197d003dcda5a26cfc3d3a1f505a3ed98539 mems_allowed=0 15:31:34 kernel: [ 6812.283051] java invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0 15:31:12 /USR/SBIN/CRON[15786]: (root) CMD (/bin/bash /usr/share/vm_runtime/vm_check_disk_space.sh | logger -t vm_check_disk_space.sh) 15:31:12 /USR/SBIN/CRON[15787]: (root) CMD (/bin/bash /usr/share/vm_runtime/vm_log_health_check_stats.sh) There go regular debugs logs of the application