---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1806 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 696K 797M 1% /run /dev/vda1 20G 11G 8.9G 54% / 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 536 3731 0 3707 7141 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:24:6e:e0 brd ff:ff:ff:ff:ff:ff inet 10.32.7.25/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85882sec preferred_lft 85882sec inet6 fe80::f816:3eff:fe24:6ee0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e6:07:28:16 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:e6ff:fe07:2816/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1806) 12/27/25 _x86_64_ (4 CPU) 11:47:06 LINUX RESTART (4 CPU) 11:48:01 tps rtps wtps bread/s bwrtn/s 11:49:01 47.79 4.98 42.81 109.32 5361.64 11:50:01 90.45 30.74 59.71 1656.39 10557.84 11:51:01 25.18 9.23 15.95 773.74 8323.68 11:52:01 102.15 5.22 96.93 522.71 52301.42 11:53:01 6.18 1.12 5.07 29.06 108.78 11:54:01 10.88 0.05 10.83 3.07 189.67 11:55:01 30.48 3.82 26.66 160.77 8176.77 Average: 44.73 7.88 36.85 465.00 12145.40 11:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:49:01 5727136 7415616 2440284 29.88 52796 1806432 981940 10.65 593848 1656280 144384 11:50:01 5281452 7230528 2885968 35.34 63556 2045320 1153744 12.52 792788 1879860 87548 11:51:01 3938968 6070596 4228452 51.77 68680 2216364 2204548 23.92 2023228 1975320 8468 11:52:01 2586236 5843948 5581184 68.33 102532 3226288 2971932 32.25 2339940 2898736 216 11:53:01 2296916 5556368 5870504 71.88 102828 3227496 3039628 32.98 2660660 2864164 52 11:54:01 3083056 6348900 5084364 62.25 103168 3233408 1934524 20.99 1881172 2866296 5016 11:55:01 3874872 7363108 4292548 52.56 109172 3439976 1036224 11.24 935176 3014012 27424 Average: 3826948 6547009 4340472 53.14 86105 2742183 1903220 20.65 1603830 2450667 39015 11:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:49:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 11:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:49:01 ens3 66.49 53.41 847.70 5.88 0.00 0.00 0.00 0.00 11:50:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 ens3 123.88 100.95 1555.31 18.67 0.00 0.00 0.00 0.00 11:51:01 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 11:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:51:01 ens3 204.82 184.49 2299.08 26.24 0.00 0.00 0.00 0.00 11:52:01 veth1099e5f 0.18 0.45 0.01 0.04 0.00 0.00 0.00 0.00 11:52:01 lo 2.38 2.38 0.30 0.30 0.00 0.00 0.00 0.00 11:52:01 docker0 0.27 0.33 0.01 0.03 0.00 0.00 0.00 0.00 11:52:01 veth60f89c4 0.08 0.17 0.01 0.01 0.00 0.00 0.00 0.00 11:53:01 veth1099e5f 0.15 0.17 0.01 0.01 0.00 0.00 0.00 0.00 11:53:01 lo 450.84 450.84 119.22 119.22 0.00 0.00 0.00 0.00 11:53:01 docker0 1.90 1.85 0.30 0.63 0.00 0.00 0.00 0.00 11:53:01 ens3 1286.57 787.34 13558.98 134.56 0.00 0.00 0.00 0.00 11:54:01 lo 990.49 990.49 304.59 304.59 0.00 0.00 0.00 0.00 11:54:01 docker0 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 11:54:01 ens3 5.78 5.18 2.05 1.87 0.00 0.00 0.00 0.00 11:55:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 11:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:55:01 ens3 128.21 120.26 1248.78 23.42 0.00 0.00 0.00 0.00 Average: lo 206.67 206.67 60.63 60.63 0.00 0.00 0.00 0.00 Average: docker0 0.34 0.34 0.05 0.09 0.00 0.00 0.00 0.00 Average: ens3 153.94 105.04 1989.01 13.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1806) 12/27/25 _x86_64_ (4 CPU) 11:47:06 LINUX RESTART (4 CPU) 11:48:01 CPU %user %nice %system %iowait %steal %idle 11:49:01 all 20.10 0.00 1.23 1.88 1.48 75.31 11:49:01 0 15.17 0.00 0.97 0.13 0.87 82.86 11:49:01 1 3.18 0.00 0.32 0.23 0.53 95.74 11:49:01 2 42.41 0.00 2.52 0.98 2.14 51.94 11:49:01 3 19.57 0.00 1.14 6.17 2.36 70.76 11:50:01 all 19.70 0.00 1.24 2.32 2.54 74.20 11:50:01 0 15.49 0.00 0.85 2.36 1.79 79.52 11:50:01 1 11.82 0.00 0.63 0.84 2.14 84.57 11:50:01 2 42.42 0.00 2.09 1.11 3.54 50.84 11:50:01 3 9.14 0.00 1.36 4.97 2.73 81.80 11:51:01 all 47.19 0.00 1.70 0.54 6.42 44.14 11:51:01 0 52.09 0.00 1.34 0.61 6.56 39.41 11:51:01 1 40.38 0.00 1.77 0.46 6.09 51.31 11:51:01 2 46.93 0.00 1.80 0.38 6.44 44.46 11:51:01 3 49.45 0.00 1.91 0.72 6.59 41.32 11:52:01 all 22.13 0.00 6.91 1.70 4.13 65.12 11:52:01 0 19.31 0.00 7.37 0.97 3.46 68.88 11:52:01 1 26.28 0.00 6.60 3.54 4.45 59.13 11:52:01 2 20.46 0.00 6.70 0.79 4.53 67.52 11:52:01 3 22.50 0.00 6.98 1.51 4.10 64.91 11:53:01 all 52.07 0.00 4.04 0.09 8.63 35.16 11:53:01 0 51.71 0.00 4.13 0.13 8.76 35.27 11:53:01 1 56.52 0.00 4.06 0.02 8.47 30.92 11:53:01 2 48.87 0.00 4.30 0.21 8.76 37.87 11:53:01 3 51.17 0.00 3.64 0.02 8.54 36.63 11:54:01 all 47.91 0.00 6.04 0.13 10.48 35.44 11:54:01 0 48.60 0.00 6.81 0.16 10.79 33.64 11:54:01 1 49.60 0.00 5.42 0.10 9.80 35.07 11:54:01 2 50.66 0.00 5.59 0.23 10.08 33.44 11:54:01 3 42.78 0.00 6.38 0.02 11.24 39.59 11:55:01 all 26.56 0.00 1.39 0.98 2.36 68.71 11:55:01 0 20.72 0.00 1.76 2.54 1.68 73.30 11:55:01 1 11.06 0.00 1.64 0.12 2.30 84.89 11:55:01 2 37.77 0.00 0.88 1.20 2.32 57.83 11:55:01 3 36.67 0.00 1.27 0.10 3.12 58.84 Average: all 33.73 0.00 3.21 1.09 5.16 56.80 Average: 0 31.97 0.00 3.32 0.98 4.86 58.87 Average: 1 28.49 0.00 2.91 0.75 4.84 63.00 Average: 2 41.40 0.00 3.41 0.70 5.41 49.08 Average: 3 33.08 0.00 3.22 1.93 5.53 56.24