---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-9523 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 539 3724 0 3711 7137 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:e2:d4:6d brd ff:ff:ff:ff:ff:ff inet 10.32.6.64/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86031sec preferred_lft 86031sec inet6 fe80::f816:3eff:fee2:d46d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b2:d6:36:53 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:b2ff:fed6:3653/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-9523) 11/18/25 _x86_64_ (4 CPU) 10:41:19 LINUX RESTART (4 CPU) 10:42:01 tps rtps wtps bread/s bwrtn/s 10:43:01 90.32 21.55 68.77 760.01 5002.10 10:44:01 103.22 34.71 68.51 2450.26 11280.65 10:45:01 90.78 11.96 78.82 1027.83 28303.95 10:46:01 112.28 0.87 111.41 33.86 51503.68 10:47:01 22.06 1.50 20.56 56.26 2386.67 Average: 83.73 14.12 69.62 865.64 19695.41 10:42:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:43:01 5639984 7359852 2527436 30.95 50940 1838468 1031108 11.19 681140 1656416 183688 10:44:01 5298232 7223504 2869188 35.13 62548 2024084 1143792 12.41 817556 1844728 47396 10:45:01 3801640 6871240 4365780 53.45 82492 3111212 1512208 16.41 1321776 2767960 317604 10:46:01 3863916 7343032 4303504 52.69 87732 3501872 1025268 11.12 1071508 2945428 39632 10:47:01 3849376 7340236 4318044 52.87 90740 3509288 1021364 11.08 1083196 2947164 10592 Average: 4490630 7227573 3676790 45.02 74890 2796985 1146748 12.44 995035 2432339 119782 10:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:43:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 10:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:43:01 ens3 101.52 79.22 873.96 28.70 0.00 0.00 0.00 0.00 10:44:01 lo 2.80 2.80 0.26 0.26 0.00 0.00 0.00 0.00 10:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:44:01 ens3 188.79 173.79 1152.63 36.67 0.00 0.00 0.00 0.00 10:45:01 veth0145e07 435.46 2079.34 28.27 1528.34 0.00 0.00 0.00 0.13 10:45:01 lo 2.43 2.43 0.28 0.28 0.00 0.00 0.00 0.00 10:45:01 docker0 435.46 2079.24 22.31 1528.34 0.00 0.00 0.00 0.00 10:45:01 ens3 2534.39 852.09 6859.22 100.17 0.00 0.00 0.00 0.00 10:46:01 lo 4.73 4.73 0.41 0.41 0.00 0.00 0.00 0.00 10:46:01 docker0 31.51 144.46 1.62 106.00 0.00 0.00 0.00 0.00 10:46:01 ens3 367.29 369.69 161.20 2454.32 0.00 0.00 0.00 0.00 10:47:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 10:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:47:01 ens3 17.25 19.65 13.39 13.71 0.00 0.00 0.00 0.00 Average: lo 2.30 2.30 0.22 0.22 0.00 0.00 0.00 0.00 Average: docker0 93.39 444.74 4.79 326.87 0.00 0.00 0.00 0.00 Average: ens3 641.85 298.89 1812.08 526.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-9523) 11/18/25 _x86_64_ (4 CPU) 10:41:19 LINUX RESTART (4 CPU) 10:42:01 CPU %user %nice %system %iowait %steal %idle 10:43:01 all 20.28 0.00 1.36 2.88 1.46 74.01 10:43:01 0 7.08 0.00 0.47 0.82 0.58 91.06 10:43:01 1 4.82 0.00 0.82 4.88 1.03 88.45 10:43:01 2 36.87 0.00 2.31 1.68 2.01 57.12 10:43:01 3 32.33 0.00 1.86 4.17 2.19 59.45 10:44:01 all 26.77 0.00 1.78 2.51 2.92 66.01 10:44:01 0 17.27 0.00 1.56 0.86 2.32 78.00 10:44:01 1 24.19 0.00 2.03 3.82 3.19 66.76 10:44:01 2 32.59 0.00 2.10 2.28 3.23 59.80 10:44:01 3 33.05 0.00 1.44 3.07 2.95 59.49 10:45:01 all 38.15 0.00 4.82 1.54 5.49 50.00 10:45:01 0 36.43 0.00 5.12 0.91 5.57 51.98 10:45:01 1 34.62 0.00 5.56 2.73 5.46 51.62 10:45:01 2 40.02 0.00 4.54 0.70 5.26 49.49 10:45:01 3 41.55 0.00 4.03 1.83 5.65 46.93 10:46:01 all 28.09 0.00 3.64 2.50 4.09 61.68 10:46:01 0 33.61 0.00 3.66 3.22 4.34 55.17 10:46:01 1 17.37 0.00 4.21 1.11 3.58 73.72 10:46:01 2 28.05 0.00 3.00 0.95 4.31 63.69 10:46:01 3 33.30 0.00 3.70 4.72 4.13 54.15 10:47:01 all 21.48 0.00 0.92 0.71 1.18 75.72 10:47:01 0 15.98 0.00 0.58 0.10 0.68 82.65 10:47:01 1 8.40 0.00 0.67 0.28 0.98 89.67 10:47:01 2 55.85 0.00 1.71 0.63 2.43 39.37 10:47:01 3 5.64 0.00 0.72 1.82 0.62 91.21 Average: all 26.97 0.00 2.51 2.03 3.03 65.46 Average: 0 22.11 0.00 2.29 1.18 2.71 71.72 Average: 1 17.91 0.00 2.66 2.57 2.85 74.01 Average: 2 38.67 0.00 2.73 1.25 3.45 53.89 Average: 3 29.21 0.00 2.35 3.12 3.11 62.20