id summary reporter owner description type status priority milestone component version resolution keywords cc uname nginx_version 1873 possible memory leak in stream modules honghaier250@… "Hello everyone, I found that the nginx( version 1.13.2 ~ 1.17.x) stream module may have a memory leak problem, as follows: == Memory usage of the worker process when the service starts == {{{ top - 00:15:50 up 7 days, 14:39, 13 users, load average: 0.11, 0.07, 0.02 任务: 2 total, 0 running, 2 sleeping, 0 stopped, 0 zombie %Cpu(s): 4.5 us, 2.0 sy, 0.0 ni, 93.3 id, 0.0 wa, 0.0 hi, 0.2 si, 0.0 st KiB Mem : 16316024 total, 2307824 free, 5340828 used, 8667372 buff/cache KiB Swap: 1003516 total, 866044 free, 137472 used. 9180580 avail Mem 进USER PR NI VIRT RES SHR %CPU %MEM TIME+ COMMAND 9483 root 20 0 295016 175632 4580 S 0.0 1.1 0:00.07 nginx }}} == pmap statistics when the service starts == {{{ 9483: nginx: worker process 住址 Perm Offset Device Inode Size Rss Pss Referenced Anonymous LazyFree ShmemPmdMapped Shared_Hugetlb Private_Hugetlb Swap SwapPss Locked Mapping 4034c000 rw-p 00000000 00:00 0 128 60 30 0 60 0 0 0 0 0 0 0 556dc6e93000 r-xp 00000000 fd:00 2621849 3048 768 640 768 0 0 0 0 0 0 0 0 /kssl/TRP/nginx/sbin/nginx 556dc738c000 r--p 002f9000 fd:00 2621849 8 8 4 8 8 0 0 0 0 0 0 0 /kssl/TRP/nginx/sbin/nginx 556dc738e000 rw-p 002fb000 fd:00 2621849 128 128 68 108 128 0 0 0 0 0 0 0 /kssl/TRP/nginx/sbin/nginx 556dc73ae000 rw-p 00000000 00:00 0 144 24 20 16 24 0 0 0 0 0 0 0 556dc7a5b000 rw-p 00000000 00:00 0 536 432 260 104 432 0 0 0 0 0 0 0 [heap] 7f5acfad8000 rw-p 00000000 00:00 0 169612 169600 169600 169600 169600 0 0 0 0 0 0 0 7f5ada07b000 r-xp 00000000 fd:00 5509942 28 28 0 28 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/librt-2.27.so 7f5ada082000 ---p 00007000 fd:00 5509942 2044 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/librt-2.27.so 7f5ada281000 r--p 00006000 fd:00 5509942 4 4 4 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/librt-2.27.so 7f5ada282000 rw-p 00007000 fd:00 5509942 4 4 4 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/librt-2.27.so 7f5ada283000 r-xp 00000000 fd:00 5505255 240 64 12 64 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_systemd.so.2 7f5ada2bf000 ---p 0003c000 fd:00 5505255 2044 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_systemd.so.2 7f5ada4be000 r--p 0003b000 fd:00 5505255 12 12 12 12 12 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_systemd.so.2 7f5ada4c1000 rw-p 0003e000 fd:00 5505255 4 4 4 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_systemd.so.2 7f5ada4c2000 rw-s 00000000 00:05 22171283 16384 0 0 0 0 0 0 0 0 0 0 0 /dev/zero (deleted) 7f5adb4c2000 r-xp 00000000 fd:00 5509891 44 44 0 44 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_files-2.27.so 7f5adb4cd000 ---p 0000b000 fd:00 5509891 2044 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_files-2.27.so 7f5adb6cc000 r--p 0000a000 fd:00 5509891 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_files-2.27.so 7f5adb6cd000 rw-p 0000b000 fd:00 5509891 4 4 2 0 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_files-2.27.so 7f5adb6ce000 rw-p 00000000 00:00 0 24 0 0 0 0 0 0 0 0 0 0 0 7f5adb6d4000 r-xp 00000000 fd:00 5509885 92 64 1 64 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnsl-2.27.so 7f5adb6eb000 ---p 00017000 fd:00 5509885 2044 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnsl-2.27.so 7f5adb8ea000 r--p 00016000 fd:00 5509885 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnsl-2.27.so 7f5adb8eb000 rw-p 00017000 fd:00 5509885 4 4 2 0 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnsl-2.27.so 7f5adb8ec000 rw-p 00000000 00:00 0 8 0 0 0 0 0 0 0 0 0 0 0 7f5adb8ee000 r-xp 00000000 fd:00 5509902 44 44 1 44 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_nis-2.27.so 7f5adb8f9000 ---p 0000b000 fd:00 5509902 2044 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_nis-2.27.so 7f5adbaf8000 r--p 0000a000 fd:00 5509902 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_nis-2.27.so 7f5adbaf9000 rw-p 0000b000 fd:00 5509902 4 4 2 0 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_nis-2.27.so 7f5adbafa000 r-xp 00000000 fd:00 5509887 32 32 0 32 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_compat-2.27.so 7f5adbb02000 ---p 00008000 fd:00 5509887 2048 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_compat-2.27.so 7f5adbd02000 r--p 00008000 fd:00 5509887 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_compat-2.27.so 7f5adbd03000 rw-p 00009000 fd:00 5509887 4 4 4 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_compat-2.27.so 7f5adbd04000 r-xp 00000000 fd:00 8396806 28 28 0 28 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4 7f5adbd0b000 ---p 00007000 fd:00 8396806 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4 7f5adbf0a000 r--p 00006000 fd:00 8396806 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4 7f5adbf0b000 rw-p 00007000 fd:00 8396806 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4 7f5adbf0c000 r-xp 00000000 fd:00 8397004 1040 80 4 80 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libsqlite3.so.0.8.6 7f5adc010000 ---p 00104000 fd:00 8397004 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libsqlite3.so.0.8.6 7f5adc20f000 r--p 00103000 fd:00 8397004 12 12 6 4 12 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libsqlite3.so.0.8.6 7f5adc212000 rw-p 00106000 fd:00 8397004 8 8 4 0 8 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libsqlite3.so.0.8.6 7f5adc214000 rw-p 00000000 00:00 0 4 0 0 0 0 0 0 0 0 0 0 0 7f5adc215000 r-xp 00000000 fd:00 8397052 280 64 4 64 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhx509.so.5.0.0 7f5adc25b000 ---p 00046000 fd:00 8397052 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhx509.so.5.0.0 7f5adc45a000 r--p 00045000 fd:00 8397052 12 12 6 4 12 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhx509.so.5.0.0 7f5adc45d000 rw-p 00048000 fd:00 8397052 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhx509.so.5.0.0 7f5adc45e000 rw-p 00000000 00:00 0 4 0 0 0 0 0 0 0 0 0 0 0 7f5adc45f000 r-xp 00000000 fd:00 8397036 56 56 4 56 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libheimbase.so.1.0.0 7f5adc46d000 ---p 0000e000 fd:00 8397036 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libheimbase.so.1.0.0 7f5adc66c000 r--p 0000d000 fd:00 8397036 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libheimbase.so.1.0.0 7f5adc66d000 rw-p 0000e000 fd:00 8397036 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libheimbase.so.1.0.0 7f5adc66e000 r-xp 00000000 fd:00 8397612 160 12 0 12 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libwind.so.0.0.0 7f5adc696000 ---p 00028000 fd:00 8397612 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libwind.so.0.0.0 7f5adc895000 r--p 00027000 fd:00 8397612 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libwind.so.0.0.0 7f5adc896000 rw-p 00028000 fd:00 8397612 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libwind.so.0.0.0 7f5adc897000 r-xp 00000000 fd:00 8396906 508 64 2 64 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2 7f5adc916000 ---p 0007f000 fd:00 8396906 2048 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2 7f5adcb16000 r--p 0007f000 fd:00 8396906 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2 7f5adcb17000 rw-p 00080000 fd:00 8396906 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2 7f5adcb18000 r-xp 00000000 fd:00 8397040 204 64 2 64 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhogweed.so.4.4 7f5adcb4b000 ---p 00033000 fd:00 8397040 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhogweed.so.4.4 7f5adcd4a000 r--p 00032000 fd:00 8397040 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhogweed.so.4.4 7f5adcd4b000 rw-p 00033000 fd:00 8397040 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhogweed.so.4.4 7f5adcd4c000 r-xp 00000000 fd:00 8397242 208 76 7 76 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libnettle.so.6.4 7f5adcd80000 ---p 00034000 fd:00 8397242 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libnettle.so.6.4 7f5adcf7f000 r--p 00033000 fd:00 8397242 8 8 4 4 8 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libnettle.so.6.4 7f5adcf81000 rw-p 00035000 fd:00 8397242 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libnettle.so.6.4 7f5adcf82000 r-xp 00000000 fd:00 8397496 68 64 3 64 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libtasn1.so.6.5.5 7f5adcf93000 ---p 00011000 fd:00 8397496 2048 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libtasn1.so.6.5.5 7f5add193000 r--p 00011000 fd:00 8397496 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libtasn1.so.6.5.5 7f5add194000 rw-p 00012000 fd:00 8397496 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libtasn1.so.6.5.5 7f5add195000 r-xp 00000000 fd:00 8397166 1512 64 2 64 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libunistring.so.2.1.0 7f5add30f000 ---p 0017a000 fd:00 8397166 2048 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libunistring.so.2.1.0 7f5add50f000 r--p 0017a000 fd:00 8397166 12 12 6 4 12 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libunistring.so.2.1.0 7f5add512000 rw-p 0017d000 fd:00 8397166 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libunistring.so.2.1.0 7f5add513000 r-xp 00000000 fd:00 8397082 112 64 3 64 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libidn2.so.0.3.3 7f5add52f000 ---p 0001c000 fd:00 8397082 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libidn2.so.0.3.3 7f5add72e000 r--p 0001b000 fd:00 8397082 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libidn2.so.0.3.3 7f5add72f000 rw-p 0001c000 fd:00 8397082 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libidn2.so.0.3.3 7f5add730000 r-xp 00000000 fd:00 8397280 1128 128 8 128 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libp11-kit.so.0.3.0 7f5add84a000 ---p 0011a000 fd:00 8397280 2048 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libp11-kit.so.0.3.0 7f5adda4a000 r--p 0011a000 fd:00 8397280 40 40 20 4 40 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libp11-kit.so.0.3.0 7f5adda54000 rw-p 00124000 fd:00 8397280 40 40 22 4 40 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libp11-kit.so.0.3.0 7f5adda5e000 rw-p 00000000 00:00 0 4 4 2 0 4 0 0 0 0 0 0 0 7f5adda5f000 r-xp 00000000 fd:00 8397399 84 68 9 68 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libroken.so.18.1.0 7f5adda74000 ---p 00015000 fd:00 8397399 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libroken.so.18.1.0 7f5addc73000 r--p 00014000 fd:00 8397399 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libroken.so.18.1.0 7f5addc74000 rw-p 00015000 fd:00 8397399 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libroken.so.18.1.0 7f5addc75000 r-xp 00000000 fd:00 8397034 204 64 4 64 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhcrypto.so.4.1.0 7f5addca8000 ---p 00033000 fd:00 8397034 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhcrypto.so.4.1.0 7f5addea7000 r--p 00032000 fd:00 8397034 8 8 4 4 8 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhcrypto.so.4.1.0 7f5addea9000 rw-p 00034000 fd:00 8397034 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libhcrypto.so.4.1.0 7f5addeaa000 rw-p 00000000 00:00 0 4 0 0 0 0 0 0 0 0 0 0 0 7f5addeab000 r-xp 00000000 fd:00 5505070 12 12 1 12 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libcom_err.so.2.1 7f5addeae000 ---p 00003000 fd:00 5505070 2044 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libcom_err.so.2.1 7f5ade0ad000 r--p 00002000 fd:00 5505070 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libcom_err.so.2.1 7f5ade0ae000 rw-p 00003000 fd:00 5505070 4 4 2 0 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libcom_err.so.2.1 7f5ade0af000 r-xp 00000000 fd:00 8396540 632 124 9 124 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libasn1.so.8.0.0 7f5ade14d000 ---p 0009e000 fd:00 8396540 2048 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libasn1.so.8.0.0 7f5ade34d000 r--p 0009e000 fd:00 8396540 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libasn1.so.8.0.0 7f5ade34e000 rw-p 0009f000 fd:00 8396540 12 12 6 0 12 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libasn1.so.8.0.0 7f5ade351000 r-xp 00000000 fd:00 8397137 540 124 9 124 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libkrb5.so.26.0.0 7f5ade3d8000 ---p 00087000 fd:00 8397137 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libkrb5.so.26.0.0 7f5ade5d7000 r--p 00086000 fd:00 8397137 16 16 8 4 16 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libkrb5.so.26.0.0 7f5ade5db000 rw-p 0008a000 fd:00 8397137 8 8 4 0 8 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libkrb5.so.26.0.0 7f5ade5dd000 rw-p 00000000 00:00 0 4 0 0 0 0 0 0 0 0 0 0 0 7f5ade5de000 r-xp 00000000 fd:00 8397038 32 32 2 32 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libheimntlm.so.0.1.0 7f5ade5e6000 ---p 00008000 fd:00 8397038 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libheimntlm.so.0.1.0 7f5ade7e5000 r--p 00007000 fd:00 8397038 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libheimntlm.so.0.1.0 7f5ade7e6000 rw-p 00008000 fd:00 8397038 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libheimntlm.so.0.1.0 7f5ade7e7000 r-xp 00000000 fd:00 8405969 1376 164 8 164 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgnutls.so.30.14.10 7f5ade93f000 ---p 00158000 fd:00 8405969 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgnutls.so.30.14.10 7f5adeb3e000 r--p 00157000 fd:00 8405969 48 48 24 4 48 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgnutls.so.30.14.10 7f5adeb4a000 rw-p 00163000 fd:00 8405969 4 4 4 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgnutls.so.30.14.10 7f5adeb4b000 rw-p 00000000 00:00 0 4 4 2 0 4 0 0 0 0 0 0 0 7f5adeb4c000 r-xp 00000000 fd:00 8396961 244 64 4 64 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgssapi.so.3.0.0 7f5adeb89000 ---p 0003d000 fd:00 8396961 2048 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgssapi.so.3.0.0 7f5aded89000 r--p 0003d000 fd:00 8396961 8 8 4 4 8 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgssapi.so.3.0.0 7f5aded8b000 rw-p 0003f000 fd:00 8396961 8 8 4 0 8 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libgssapi.so.3.0.0 7f5aded8d000 r-xp 00000000 fd:00 8397423 100 64 6 64 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libsasl2.so.2.0.25 7f5adeda6000 ---p 00019000 fd:00 8397423 2048 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libsasl2.so.2.0.25 7f5adefa6000 r--p 00019000 fd:00 8397423 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libsasl2.so.2.0.25 7f5adefa7000 rw-p 0001a000 fd:00 8397423 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libsasl2.so.2.0.25 7f5adefa8000 r-xp 00000000 fd:00 5509940 92 60 0 60 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libresolv-2.27.so 7f5adefbf000 ---p 00017000 fd:00 5509940 2048 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libresolv-2.27.so 7f5adf1bf000 r--p 00017000 fd:00 5509940 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libresolv-2.27.so 7f5adf1c0000 rw-p 00018000 fd:00 5509940 4 4 2 0 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libresolv-2.27.so 7f5adf1c1000 rw-p 00000000 00:00 0 8 0 0 0 0 0 0 0 0 0 0 0 7f5adf1c3000 r-xp 00000000 fd:00 8389082 52 52 3 52 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2.10.8 7f5adf1d0000 ---p 0000d000 fd:00 8389082 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2.10.8 7f5adf3cf000 r--p 0000c000 fd:00 8389082 4 4 2 4 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2.10.8 7f5adf3d0000 rw-p 0000d000 fd:00 8389082 4 4 2 0 4 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2.10.8 7f5adf3d1000 r-xp 00000000 fd:00 5505267 92 64 3 64 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f5adf3e8000 ---p 00017000 fd:00 5505267 2044 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f5adf5e7000 r--p 00016000 fd:00 5505267 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f5adf5e8000 rw-p 00017000 fd:00 5505267 4 4 2 0 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f5adf5e9000 r-xp 00000000 fd:00 8389083 312 64 4 64 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2.10.8 7f5adf637000 ---p 0004e000 fd:00 8389083 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2.10.8 7f5adf836000 r--p 0004d000 fd:00 8389083 8 8 4 4 8 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2.10.8 7f5adf838000 rw-p 0004f000 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/usr/local/ssl/lib/libKLCRL.so.1.0.0 7f5ae0f59000 rw-p 00008000 fd:00 9309093 4 4 2 0 4 0 0 0 0 0 0 0 /usr/local/ssl/lib/libKLCRL.so.1.0.0 7f5ae0f5a000 r-xp 00000000 fd:00 9309081 2564 128 16 128 0 0 0 0 0 0 0 0 /usr/local/ssl/lib/libcrypto.so.1.0.0 7f5ae11db000 ---p 00281000 fd:00 9309081 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/local/ssl/lib/libcrypto.so.1.0.0 7f5ae13da000 r--p 00280000 fd:00 9309081 152 140 70 4 140 0 0 0 0 0 0 0 /usr/local/ssl/lib/libcrypto.so.1.0.0 7f5ae1400000 rw-p 002a6000 fd:00 9309081 48 48 24 0 48 0 0 0 0 0 0 0 /usr/local/ssl/lib/libcrypto.so.1.0.0 7f5ae140c000 rw-p 00000000 00:00 0 16 16 8 0 16 0 0 0 0 0 0 0 7f5ae1410000 r-xp 00000000 fd:00 9309084 560 64 64 64 0 0 0 0 0 0 0 0 /usr/local/ssl/lib/libssl.so.1.0.0 7f5ae149c000 ---p 0008c000 fd:00 9309084 2048 0 0 0 0 0 0 0 0 0 0 0 /usr/local/ssl/lib/libssl.so.1.0.0 7f5ae169c000 r--p 0008c000 fd:00 9309084 16 16 8 4 16 0 0 0 0 0 0 0 /usr/local/ssl/lib/libssl.so.1.0.0 7f5ae16a0000 rw-p 00090000 fd:00 9309084 28 28 14 0 28 0 0 0 0 0 0 0 /usr/local/ssl/lib/libssl.so.1.0.0 7f5ae16a7000 rw-p 00000000 00:00 0 4 4 2 0 4 0 0 0 0 0 0 0 7f5ae16a8000 r-xp 00000000 fd:00 5509773 156 156 0 156 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/ld-2.27.so 7f5ae189b000 rw-p 00000000 00:00 0 68 64 38 56 64 0 0 0 0 0 0 0 7f5ae18cc000 rw-s 00000000 00:05 22171285 4 0 0 0 0 0 0 0 0 0 0 0 /dev/zero (deleted) 7f5ae18cd000 rw-p 00000000 00:00 0 8 8 6 8 8 0 0 0 0 0 0 0 7f5ae18cf000 r--p 00027000 fd:00 5509773 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/ld-2.27.so 7f5ae18d0000 rw-p 00028000 fd:00 5509773 4 4 4 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/ld-2.27.so 7f5ae18d1000 rw-p 00000000 00:00 0 4 4 4 4 4 0 0 0 0 0 0 0 7ffea2be0000 rwxp 00000000 00:00 0 128 12 12 12 12 0 0 0 0 0 0 0 [stack] 7ffea2c00000 rw-p 00000000 00:00 0 4 4 4 4 4 0 0 0 0 0 0 0 7ffea2d8c000 r--p 00000000 00:00 0 12 0 0 0 0 0 0 0 0 0 0 0 [vvar] 7ffea2d8f000 r-xp 00000000 00:00 0 8 4 0 4 0 0 0 0 0 0 0 0 [vdso] ffffffffff600000 r-xp 00000000 00:00 0 4 0 0 0 0 0 0 0 0 0 0 0 [vsyscall] ====== ====== ====== ========== ========= ======== ============== ============== =============== ==== ======= ====== 295020 176132 171431 175124 171168 0 0 0 0 0 0 0 KB }}} == Initiate 60,000 concurrent connections using wrk2 == {{{ ~/wrk2/wrk -t4 -c60000 -d30m -R600 --timeout 5s --latency http://10.10.10.10:34402/1kb.html }}} == The memory usage of the worker process after concurrent processing of 60,000 connections == {{{ top - 00:33:33 up 7 days, 14:56, 13 users, load average: 0.06, 0.18, 0.17 任务: 2 total, 0 running, 2 sleeping, 0 stopped, 0 zombie %Cpu(s): 4.5 us, 2.0 sy, 0.0 ni, 93.3 id, 0.0 wa, 0.0 hi, 0.2 si, 0.0 st KiB Mem : 16316024 total, 947040 free, 7199648 used, 8169336 buff/cache KiB Swap: 1003516 total, 866044 free, 137472 used. 7331680 avail Mem 进USER PR NI VIRT RES SHR %CPU %MEM TIME+ COMMAND 9483 root 20 0 2961852 1.939g 8144 S 0.0 12.5 4:31.12 nginx 9482 root 20 0 121024 1536 0 S 0.0 0.0 0:00.00 nginx }}} == pmap statistics when the worker process after concurrent processing of 60,000 connections == {{{ 9483: nginx: worker process 住址 Perm Offset Device Inode Size Rss Pss Referenced Anonymous LazyFree ShmemPmdMapped Shared_Hugetlb Private_Hugetlb Swap SwapPss Locked Mapping 4034c000 rw-p 00000000 00:00 0 128 60 30 0 60 0 0 0 0 0 0 0 556dc6e93000 r-xp 00000000 fd:00 2621849 3048 1280 1120 1280 0 0 0 0 0 0 0 0 /kssl/TRP/nginx/sbin/nginx 556dc738c000 r--p 002f9000 fd:00 2621849 8 8 4 8 8 0 0 0 0 0 0 0 /kssl/TRP/nginx/sbin/nginx 556dc738e000 rw-p 002fb000 fd:00 2621849 128 128 68 108 128 0 0 0 0 0 0 0 /kssl/TRP/nginx/sbin/nginx 556dc73ae000 rw-p 00000000 00:00 0 144 24 24 24 24 0 0 0 0 0 0 0 556dc7a5b000 rw-p 00000000 00:00 0 536 500 348 256 500 0 0 0 0 0 0 0 [heap] 556dc7ae1000 rw-p 00000000 00:00 0 2666836 1854184 1854184 1854184 1854184 0 0 0 0 0 0 0 [heap] 7f5acfad8000 rw-p 00000000 00:00 0 169612 169600 169600 169600 169600 0 0 0 0 0 0 0 7f5ada07b000 r-xp 00000000 fd:00 5509942 28 28 0 28 0 0 0 0 0 0 0 0 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7f5adb4cd000 ---p 0000b000 fd:00 5509891 2044 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_files-2.27.so 7f5adb6cc000 r--p 0000a000 fd:00 5509891 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_files-2.27.so 7f5adb6cd000 rw-p 0000b000 fd:00 5509891 4 4 2 0 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_files-2.27.so 7f5adb6ce000 rw-p 00000000 00:00 0 24 0 0 0 0 0 0 0 0 0 0 0 7f5adb6d4000 r-xp 00000000 fd:00 5509885 92 64 1 64 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnsl-2.27.so 7f5adb6eb000 ---p 00017000 fd:00 5509885 2044 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnsl-2.27.so 7f5adb8ea000 r--p 00016000 fd:00 5509885 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnsl-2.27.so 7f5adb8eb000 rw-p 00017000 fd:00 5509885 4 4 2 0 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnsl-2.27.so 7f5adb8ec000 rw-p 00000000 00:00 0 8 0 0 0 0 0 0 0 0 0 0 0 7f5adb8ee000 r-xp 00000000 fd:00 5509902 44 44 1 44 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_nis-2.27.so 7f5adb8f9000 ---p 0000b000 fd:00 5509902 2044 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_nis-2.27.so 7f5adbaf8000 r--p 0000a000 fd:00 5509902 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_nis-2.27.so 7f5adbaf9000 rw-p 0000b000 fd:00 5509902 4 4 2 0 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_nis-2.27.so 7f5adbafa000 r-xp 00000000 fd:00 5509887 32 32 0 32 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_compat-2.27.so 7f5adbb02000 ---p 00008000 fd:00 5509887 2048 0 0 0 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_compat-2.27.so 7f5adbd02000 r--p 00008000 fd:00 5509887 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_compat-2.27.so 7f5adbd03000 rw-p 00009000 fd:00 5509887 4 4 4 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libnss_compat-2.27.so 7f5adbd04000 r-xp 00000000 fd:00 8396806 28 28 0 28 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4 7f5adbd0b000 ---p 00007000 fd:00 8396806 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4 7f5adbf0a000 r--p 00006000 fd:00 8396806 4 4 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5509824 4 4 2 0 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/libdl-2.27.so 7f5ae0d51000 r-xp 00000000 fd:00 9309093 32 28 28 28 0 0 0 0 0 0 0 0 /usr/local/ssl/lib/libKLCRL.so.1.0.0 7f5ae0d59000 ---p 00008000 fd:00 9309093 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/local/ssl/lib/libKLCRL.so.1.0.0 7f5ae0f58000 r--p 00007000 fd:00 9309093 4 4 2 4 4 0 0 0 0 0 0 0 /usr/local/ssl/lib/libKLCRL.so.1.0.0 7f5ae0f59000 rw-p 00008000 fd:00 9309093 4 4 2 0 4 0 0 0 0 0 0 0 /usr/local/ssl/lib/libKLCRL.so.1.0.0 7f5ae0f5a000 r-xp 00000000 fd:00 9309081 2564 1992 452 1992 0 0 0 0 0 0 0 0 /usr/local/ssl/lib/libcrypto.so.1.0.0 7f5ae11db000 ---p 00281000 fd:00 9309081 2044 0 0 0 0 0 0 0 0 0 0 0 /usr/local/ssl/lib/libcrypto.so.1.0.0 7f5ae13da000 r--p 00280000 fd:00 9309081 152 140 70 104 140 0 0 0 0 0 0 0 /usr/local/ssl/lib/libcrypto.so.1.0.0 7f5ae1400000 rw-p 002a6000 fd:00 9309081 48 48 26 36 48 0 0 0 0 0 0 0 /usr/local/ssl/lib/libcrypto.so.1.0.0 7f5ae140c000 rw-p 00000000 00:00 0 16 16 10 12 16 0 0 0 0 0 0 0 7f5ae1410000 r-xp 00000000 fd:00 9309084 560 508 508 508 0 0 0 0 0 0 0 0 /usr/local/ssl/lib/libssl.so.1.0.0 7f5ae149c000 ---p 0008c000 fd:00 9309084 2048 0 0 0 0 0 0 0 0 0 0 0 /usr/local/ssl/lib/libssl.so.1.0.0 7f5ae169c000 r--p 0008c000 fd:00 9309084 16 16 8 8 16 0 0 0 0 0 0 0 /usr/local/ssl/lib/libssl.so.1.0.0 7f5ae16a0000 rw-p 00090000 fd:00 9309084 28 28 16 24 28 0 0 0 0 0 0 0 /usr/local/ssl/lib/libssl.so.1.0.0 7f5ae16a7000 rw-p 00000000 00:00 0 4 4 2 0 4 0 0 0 0 0 0 0 7f5ae16a8000 r-xp 00000000 fd:00 5509773 156 156 0 156 0 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/ld-2.27.so 7f5ae189b000 rw-p 00000000 00:00 0 68 64 38 56 64 0 0 0 0 0 0 0 7f5ae18cc000 rw-s 00000000 00:05 22171285 4 4 4 4 0 0 0 0 0 0 0 0 /dev/zero (deleted) 7f5ae18cd000 rw-p 00000000 00:00 0 8 8 6 8 8 0 0 0 0 0 0 0 7f5ae18cf000 r--p 00027000 fd:00 5509773 4 4 2 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/ld-2.27.so 7f5ae18d0000 rw-p 00028000 fd:00 5509773 4 4 4 4 4 0 0 0 0 0 0 0 /lib/x86_64-linux-gnu/ld-2.27.so 7f5ae18d1000 rw-p 00000000 00:00 0 4 4 4 4 4 0 0 0 0 0 0 0 7ffea2be0000 rwxp 00000000 00:00 0 128 16 16 16 16 0 0 0 0 0 0 0 [stack] 7ffea2c00000 rw-p 00000000 00:00 0 4 4 4 4 4 0 0 0 0 0 0 0 7ffea2d8c000 r--p 00000000 00:00 0 12 0 0 0 0 0 0 0 0 0 0 0 [vvar] 7ffea2d8f000 r-xp 00000000 00:00 0 8 4 0 4 0 0 0 0 0 0 0 0 [vdso] ffffffffff600000 r-xp 00000000 00:00 0 4 0 0 0 0 0 0 0 0 0 0 0 [vsyscall] ======= ======= ======= ========== ========= ======== ============== ============== =============== ==== ======= ====== 2961856 2033568 2027277 2032828 2025424 0 0 0 0 0 0 0 KB }}} == my nginx configuration is as follows == {{{ user root root; worker_rlimit_nofile 819200; worker_rlimit_core 500M; worker_processes 1; worker_cpu_affinity auto; working_directory /tmp/cores/; error_log logs/error.log error; pid logs/nginx.pid; events { worker_connections 409600; } stream { error_log logs/error.log warn; ssl_certificate pem/rsa.pem; ssl_certificate_key pem/rsa.key; ssl_client_certificate pem/ca/rsa_ca.pem; ssl_verify_client on; ssl_verify_depth 3; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_ciphers ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECC-SM4-SM3:ECDHE-SM4-SM3:RSA-SM4-SM3; ssl_prefer_server_ciphers on; ssl_session_timeout 5m; ssl_session_cache shared:tcp:16m; ssl_session_tickets off; proxy_connect_timeout 600s; proxy_timeout 600m; server { listen 0.0.0.0:34402 backlog=65535 ssl; proxy_protocol off; proxy_pass 10.0.10.10:8080; } } }}} == Operating system and platform information == {{{ root@ubuntu:/# uname -a Linux ubuntu 4.15.0-65-generic #74-Ubuntu SMP Tue Sep 17 17:06:04 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux root@ubuntu:/# gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.4.0-1ubuntu1~18.04.1' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1) root@ubuntu:/# /kssl/TRP/nginx/sbin/nginx -V nginx version: nginx/1.13.6.2 built by gcc 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1) built with OpenSSL 1.0.2o 27 Mar 2018 (running with OpenSSL 1.0.2o 27 Mar 2018 []) TLS SNI support enabled configure arguments: --with-debug --with-cc-opt='-DNGX_LUA_USE_ASSERT -DNGX_LUA_ABORT_AT_PANIC -O2 -g3 -O0 -Wall -Werror -I/usr/local/ssl/include' --with-ld-opt='-Wl,-rpath,/kssl/TRP/luajit/lib -L/usr/local/ssl/lib -lssl -lcrypto' --with-http_sub_module --with-stream_ssl_preread_module --with-ipv6 --http-fastcgi-temp-path=/dev/null --http-uwsgi-temp-path=/dev/null --http-scgi-temp-path=/dev/null --http-client-body-temp-path=logs/client-body-temp --http-proxy-temp-path=logs/proxy-temp --with-stream --with-stream_ssl_module --with-http_ssl_module }}}" defect closed critical nginx-module 1.13.x invalid memory leak in stream modules gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1) Linux ubuntu 4.15.0-65-generic #74-Ubuntu SMP Tue Sep 17 17:06:04 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux "nginx version: nginx/1.13.6.2 built by gcc 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1) built with OpenSSL 1.0.2o 27 Mar 2018 (running with OpenSSL 1.0.2o 27 Mar 2018 []) TLS SNI support enabled configure arguments: --with-debug --with-cc-opt='-DNGX_LUA_USE_ASSERT -DNGX_LUA_ABORT_AT_PANIC -O2 -g3 -O0 -Wall -Werror -I/usr/local/ssl/include' --with-ld-opt='-Wl,-rpath,/kssl/TRP/luajit/lib -L/usr/local/ssl/lib -lssl -lcrypto' --with-http_sub_module --with-stream_ssl_preread_module --with-ipv6 --http-fastcgi-temp-path=/dev/null --http-uwsgi-temp-path=/dev/null --http-scgi-temp-path=/dev/null --http-client-body-temp-path=logs/client-body-temp --http-proxy-temp-path=logs/proxy-temp --with-stream --with-stream_ssl_module --with-http_ssl_module"