---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1745 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 704K 797M 1% /run /dev/vda1 20G 13G 6.7G 66% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 5.3M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 520 1329 0 6125 7156 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:f4:64:93 brd ff:ff:ff:ff:ff:ff inet 10.32.7.203/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85847sec preferred_lft 85847sec inet6 fe80::f816:3eff:fef4:6493/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:93:4c:0d:ce brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:93ff:fe4c:dce/64 scope link valid_lft forever preferred_lft forever 4: br-b74675e192ac: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:73:61:03:bd brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-b74675e192ac valid_lft forever preferred_lft forever inet6 fe80::42:73ff:fe61:3bd/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1745) 12/26/25 _x86_64_ (4 CPU) 23:10:43 LINUX RESTART (4 CPU) 23:11:01 tps rtps wtps bread/s bwrtn/s 23:12:02 159.76 69.22 90.53 5610.00 40842.28 23:13:01 58.98 0.12 58.86 21.82 9186.04 23:14:01 143.19 14.91 128.28 2277.09 72369.81 23:15:01 88.04 3.17 84.87 452.59 36317.81 23:16:01 44.04 0.15 43.89 13.60 1278.05 23:17:01 58.92 0.05 58.87 6.13 14585.97 23:18:01 96.77 7.28 89.49 1297.27 47969.75 23:19:01 41.59 0.23 41.36 14.00 995.57 Average: 86.47 11.92 74.55 1214.03 27983.17 23:11:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:12:02 5870424 7423684 2296996 28.12 39284 1692972 971560 10.54 583860 1540644 63992 23:13:01 5658780 7475984 2508640 30.72 59820 1919984 900256 9.77 535512 1767268 123440 23:14:01 3637972 6938984 4529448 55.46 87580 3322448 1807336 19.61 1161488 3076472 4640 23:15:01 1971596 6387224 6195824 75.86 105684 4362012 4053868 43.99 1964508 3864296 916 23:16:01 2792028 7233172 5375392 65.82 109340 4380460 1513052 16.42 1180908 3838408 3764 23:17:01 2298272 7178648 5869148 71.86 114776 4796140 1526812 16.57 1367596 4125496 3444 23:18:01 594280 6547320 7573140 92.72 135272 5789060 4182704 45.39 2232008 4891948 1668 23:19:01 1376292 7336808 6791128 83.15 139028 5794940 1187444 12.88 1532100 4825924 25728 Average: 3024956 7065228 5142464 62.96 98848 4007252 2017879 21.90 1319748 3491307 28449 23:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:12:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:02 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 23:12:02 ens3 472.72 268.52 1391.44 68.54 0.00 0.00 0.00 0.00 23:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 23:13:01 ens3 48.97 39.99 660.91 5.08 0.00 0.00 0.00 0.00 23:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:14:01 lo 1.80 1.80 0.16 0.16 0.00 0.00 0.00 0.00 23:14:01 ens3 592.80 245.86 11575.90 46.62 0.00 0.00 0.00 0.00 23:15:01 br-b74675e192ac 0.57 0.90 0.05 0.10 0.00 0.00 0.00 0.00 23:15:01 vethf034c24 0.63 1.02 0.07 0.10 0.00 0.00 0.00 0.00 23:15:01 vethac00588 0.00 0.25 0.00 0.02 0.00 0.00 0.00 0.00 23:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:16:01 br-b74675e192ac 0.32 0.35 0.02 0.03 0.00 0.00 0.00 0.00 23:16:01 docker0 23.38 56.94 4.29 235.21 0.00 0.00 0.00 0.00 23:16:01 lo 13.41 13.41 1.33 1.33 0.00 0.00 0.00 0.00 23:16:01 ens3 2132.84 1163.09 22687.37 189.05 0.00 0.00 0.00 0.00 23:17:01 br-b74675e192ac 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:17:01 docker0 232.41 697.57 20.56 5256.54 0.00 0.00 0.00 0.00 23:17:01 veth51a58ef 109.62 316.66 11.82 2498.37 0.00 0.00 0.00 0.20 23:17:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 23:18:01 br-b74675e192ac 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:18:01 vethdb1e6d9 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 23:18:01 docker0 27.80 70.60 3.47 449.50 0.00 0.00 0.00 0.00 23:18:01 veth07e4a30 0.00 0.15 0.00 0.01 0.00 0.00 0.00 0.00 23:19:01 br-b74675e192ac 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:19:01 lo 21.01 21.01 2.09 2.09 0.00 0.00 0.00 0.00 23:19:01 ens3 3692.85 1858.27 36121.73 908.59 0.00 0.00 0.00 0.00 Average: br-b74675e192ac 0.11 0.16 0.01 0.02 0.00 0.00 0.00 0.00 Average: docker0 35.52 103.35 3.55 744.17 0.00 0.00 0.00 0.00 Average: lo 2.26 2.26 0.23 0.23 0.00 0.00 0.00 0.00 Average: ens3 461.49 231.88 4523.48 113.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1745) 12/26/25 _x86_64_ (4 CPU) 23:10:43 LINUX RESTART (4 CPU) 23:11:01 CPU %user %nice %system %iowait %steal %idle 23:12:02 all 19.73 0.00 2.82 5.24 2.49 69.72 23:12:02 0 24.04 0.00 2.68 2.75 2.54 67.99 23:12:02 1 22.36 0.00 1.74 6.84 2.19 66.86 23:12:02 2 11.51 0.00 4.96 5.77 2.89 74.87 23:12:02 3 21.03 0.00 1.89 5.59 2.35 69.14 23:13:01 all 20.12 0.00 1.24 2.18 1.43 75.02 23:13:01 0 23.51 0.00 1.10 0.27 1.00 74.12 23:13:01 1 12.61 0.00 1.16 5.54 1.11 79.58 23:13:01 2 0.30 0.00 0.44 2.23 1.48 95.55 23:13:01 3 44.20 0.00 2.31 0.66 2.14 50.68 23:14:01 all 27.83 0.00 6.26 2.41 7.00 56.50 23:14:01 0 27.73 0.00 5.74 1.25 6.48 58.80 23:14:01 1 29.30 0.00 5.84 1.24 7.13 56.49 23:14:01 2 25.71 0.00 7.99 3.44 7.76 55.10 23:14:01 3 28.57 0.00 5.45 3.73 6.61 55.64 23:15:01 all 40.86 0.00 6.28 1.91 8.00 42.95 23:15:01 0 39.19 0.00 5.79 1.37 7.83 45.82 23:15:01 1 41.33 0.00 6.32 1.87 8.07 42.41 23:15:01 2 42.59 0.00 8.09 3.82 8.97 36.52 23:15:01 3 40.35 0.00 4.94 0.58 7.15 46.99 23:16:01 all 11.59 0.00 1.55 0.83 2.89 83.15 23:16:01 0 10.38 0.00 1.49 0.55 2.77 84.81 23:16:01 1 10.93 0.00 1.62 1.39 2.88 83.19 23:16:01 2 13.09 0.00 1.87 1.14 3.44 80.47 23:16:01 3 11.94 0.00 1.20 0.26 2.48 84.12 23:17:01 all 29.22 0.00 3.96 0.68 6.03 60.11 23:17:01 0 29.51 0.00 3.71 0.26 5.58 60.94 23:17:01 1 34.38 0.00 3.50 0.86 5.81 55.45 23:17:01 2 26.82 0.00 5.07 0.77 6.82 60.52 23:17:01 3 26.19 0.00 3.59 0.81 5.89 63.52 23:18:01 all 45.95 0.00 5.86 2.10 7.39 38.70 23:18:01 0 48.05 0.00 5.21 1.03 7.60 38.12 23:18:01 1 44.58 0.00 5.30 3.11 6.87 40.14 23:18:01 2 46.07 0.00 7.21 3.65 7.94 35.13 23:18:01 3 45.12 0.00 5.73 0.64 7.14 41.37 23:19:01 all 25.16 0.00 1.53 1.13 2.85 69.33 23:19:01 0 35.54 0.00 1.83 0.32 3.06 59.27 23:19:01 1 21.07 0.00 1.34 2.27 2.77 72.55 23:19:01 2 27.50 0.00 1.47 0.60 3.02 67.41 23:19:01 3 16.53 0.00 1.44 1.36 2.59 78.09 Average: all 27.57 0.00 3.70 2.06 4.77 61.90 Average: 0 29.76 0.00 3.45 0.98 4.62 61.19 Average: 1 27.11 0.00 3.36 2.88 4.62 62.03 Average: 2 24.23 0.00 4.65 2.68 5.30 63.15 Average: 3 29.20 0.00 3.32 1.70 4.55 61.22