---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-30013 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.00 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 18G 61G 23% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 733 9352 3 5903 14913 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:be:f1:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79701sec preferred_lft 79701sec inet6 fe80::f816:3eff:febe:f1a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:ce:ca:c7:80:e2 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::4ce:caff:fec7:80e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-30013) 03/25/26 _x86_64_ (4 CPU) 07:01:31 LINUX RESTART (4 CPU) 07:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:07 46.26 1.16 42.66 2.44 43.00 25576.76 11736.73 07:30:01 63.00 21.97 23.04 18.00 254.89 4341.04 217231.93 07:40:07 13.27 0.33 12.34 0.60 7.57 803.64 1166.97 07:50:07 13.39 0.00 12.84 0.55 0.00 561.48 1012.24 08:00:01 14.99 0.00 14.45 0.54 0.00 380.09 860.06 08:10:07 5.71 0.00 5.47 0.24 0.00 161.69 281.43 08:20:07 5.46 0.00 5.28 0.18 0.09 145.31 66.37 08:30:01 6.02 0.00 5.84 0.19 0.00 152.95 110.11 08:40:07 8.76 0.06 8.40 0.30 4.31 523.01 151.36 08:50:07 8.07 0.02 7.78 0.27 0.44 265.29 319.79 Average: 18.43 2.33 13.78 2.31 30.79 3279.34 23088.21 07:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:07 3800516 14336100 1590708 9.72 236500 10088712 2334688 13.40 1935952 9880952 4136 07:30:01 4017736 9016728 6912548 42.22 261608 4607072 8758272 50.27 2192328 9476884 120924 07:40:07 6094044 11112744 4816404 29.42 264260 4623972 5569128 31.97 2259452 7321072 92 07:50:07 8479976 13602076 2329580 14.23 268988 4717280 3070860 17.63 2284888 4933680 132 08:00:01 9212804 14382612 1548864 9.46 271152 4762676 2955592 16.97 2290152 4199180 8968 08:10:07 6156704 11340272 4589868 28.03 272572 4774992 5345252 30.68 2292240 7228252 388 08:20:07 4776572 9977512 5951792 36.35 273424 4791420 6705420 38.49 2294536 8605076 292 08:30:01 4733600 9952404 5976892 36.50 274208 4808444 6754904 38.77 2298040 8655700 60 08:40:07 5957316 11299140 4630684 28.28 278156 4921304 5325772 30.57 2306052 7422304 572 08:50:07 5188820 10571280 5358060 32.72 278844 4961084 6091004 34.96 2325368 8169512 132 Average: 5841809 11559087 4370540 26.69 267971 5305696 5291089 30.37 2247901 7589261 13570 07:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:07 lo 0.90 0.90 1.38 1.38 0.00 0.00 0.00 0.00 07:20:07 ens3 38.44 29.05 648.85 3.30 0.00 0.00 0.00 0.00 07:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 12.66 12.66 8.96 8.96 0.00 0.00 0.00 0.00 07:30:01 ens3 1.55 1.37 0.53 0.49 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:07 lo 26.21 26.21 12.65 12.65 0.00 0.00 0.00 0.00 07:40:07 ens3 2.15 1.22 0.46 0.31 0.00 0.00 0.00 0.00 07:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:07 lo 6.55 6.55 3.52 3.52 0.00 0.00 0.00 0.00 07:50:07 ens3 1.29 0.71 0.29 0.21 0.00 0.00 0.00 0.00 07:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 17.17 17.17 7.95 7.95 0.00 0.00 0.00 0.00 08:00:01 ens3 1.15 0.82 0.26 0.20 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:07 lo 18.09 18.09 9.04 9.04 0.00 0.00 0.00 0.00 08:10:07 ens3 1.28 1.04 0.24 1.62 0.00 0.00 0.00 0.00 08:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:07 lo 27.31 27.31 11.04 11.04 0.00 0.00 0.00 0.00 08:20:07 ens3 0.82 0.45 0.16 0.10 0.00 0.00 0.00 0.00 08:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 19.66 19.66 10.78 10.78 0.00 0.00 0.00 0.00 08:30:01 ens3 0.88 0.57 0.20 0.15 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:07 lo 17.73 17.73 9.95 9.95 0.00 0.00 0.00 0.00 08:40:07 ens3 0.95 0.87 0.27 0.22 0.00 0.00 0.00 0.00 08:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:07 lo 24.77 24.77 10.43 10.43 0.00 0.00 0.00 0.00 08:50:07 ens3 1.28 0.73 0.28 0.19 0.00 0.00 0.00 0.00 08:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.12 17.12 8.58 8.58 0.00 0.00 0.00 0.00 Average: ens3 4.97 3.67 64.93 0.68 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-30013) 03/25/26 _x86_64_ (4 CPU) 07:01:31 LINUX RESTART (4 CPU) 07:10:09 CPU %user %nice %system %iowait %steal %idle 07:20:07 all 19.47 0.00 1.28 29.67 0.11 49.48 07:20:07 0 18.97 0.00 1.31 31.52 0.10 48.11 07:20:07 1 17.66 0.00 1.19 18.99 0.10 62.05 07:20:07 2 20.44 0.00 1.27 30.76 0.10 47.42 07:20:07 3 20.79 0.00 1.35 37.39 0.12 40.35 07:30:01 all 35.18 0.00 1.62 10.70 0.17 52.33 07:30:01 0 35.36 0.00 1.46 5.36 0.18 57.64 07:30:01 1 33.90 0.00 1.72 20.42 0.16 43.80 07:30:01 2 35.54 0.00 1.57 8.63 0.17 54.09 07:30:01 3 35.92 0.00 1.74 8.41 0.17 53.77 07:40:07 all 24.10 0.00 0.92 0.40 0.11 74.47 07:40:07 0 23.32 0.00 0.94 0.16 0.10 75.47 07:40:07 1 24.90 0.00 0.87 0.41 0.10 73.72 07:40:07 2 24.50 0.00 0.89 0.44 0.10 74.07 07:40:07 3 23.66 0.00 0.99 0.60 0.12 74.63 07:50:07 all 19.46 0.00 0.74 0.11 0.08 79.60 07:50:07 0 18.79 0.00 0.63 0.08 0.07 80.43 07:50:07 1 19.56 0.00 0.84 0.18 0.09 79.33 07:50:07 2 20.18 0.00 0.71 0.10 0.09 78.93 07:50:07 3 19.33 0.00 0.79 0.08 0.07 79.72 08:00:01 all 27.31 0.00 1.00 0.42 0.10 71.17 08:00:01 0 27.34 0.00 1.03 0.39 0.09 71.15 08:00:01 1 27.39 0.00 1.00 0.36 0.10 71.14 08:00:01 2 27.03 0.00 1.09 0.33 0.10 71.46 08:00:01 3 27.49 0.00 0.88 0.59 0.09 70.95 08:10:07 all 12.44 0.00 0.48 0.09 0.08 86.90 08:10:07 0 12.61 0.00 0.45 0.15 0.07 86.72 08:10:07 1 12.09 0.00 0.51 0.13 0.08 87.19 08:10:07 2 12.47 0.00 0.47 0.05 0.08 86.93 08:10:07 3 12.59 0.00 0.50 0.05 0.08 86.77 08:20:07 all 11.09 0.00 0.54 0.02 0.07 88.28 08:20:07 0 11.29 0.00 0.52 0.02 0.06 88.11 08:20:07 1 10.97 0.00 0.58 0.02 0.07 88.36 08:20:07 2 11.17 0.00 0.54 0.03 0.07 88.19 08:20:07 3 10.95 0.00 0.53 0.02 0.07 88.44 08:30:01 all 10.52 0.00 0.45 0.12 0.07 88.83 08:30:01 0 10.26 0.00 0.48 0.13 0.07 89.06 08:30:01 1 10.66 0.00 0.49 0.03 0.07 88.75 08:30:01 2 10.81 0.00 0.42 0.25 0.08 88.44 08:30:01 3 10.36 0.00 0.40 0.08 0.08 89.08 08:40:07 all 14.56 0.00 0.67 1.66 0.09 83.04 08:40:07 0 14.20 0.00 0.66 1.28 0.08 83.78 08:40:07 1 14.67 0.00 0.71 0.23 0.09 84.30 08:40:07 2 13.98 0.00 0.59 2.38 0.10 82.95 08:40:07 3 15.37 0.00 0.70 2.74 0.08 81.10 08:50:07 all 17.12 0.00 0.74 0.36 0.08 81.71 08:50:07 0 16.67 0.00 0.76 0.24 0.07 82.26 08:50:07 1 16.44 0.00 0.80 0.08 0.08 82.59 08:50:07 2 17.70 0.00 0.79 0.36 0.09 81.06 08:50:07 3 17.65 0.00 0.60 0.76 0.07 80.92 Average: all 19.08 0.00 0.84 4.32 0.09 75.66 Average: 0 18.84 0.00 0.82 3.91 0.09 76.34 Average: 1 18.78 0.00 0.87 4.03 0.09 76.23 Average: 2 19.34 0.00 0.83 4.30 0.10 75.43 Average: 3 19.37 0.00 0.85 5.04 0.09 74.64