---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14834 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5599.99 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 680 12492 3 2816 14966 Swap: 1023 39 984 ---> 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:6c:e8:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80760sec preferred_lft 80760sec inet6 fe80::f816:3eff:fe6c:e8b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:d2:54:3b:93:99 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::10d2:54ff:fe3b:9399/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-14834) 05/14/26 _x86_64_ (4 CPU) 15:39:25 LINUX RESTART (4 CPU) 15:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:01 131.34 15.32 110.96 5.06 1978.68 35956.44 13388.40 16:00:06 64.94 20.31 42.42 2.21 1021.58 4699.79 2223.98 16:10:10 22.70 0.49 21.38 0.83 17.16 701.78 1042.80 16:20:01 11.81 0.06 11.25 0.50 1.85 306.48 164.48 16:30:10 20.27 0.31 4.73 15.23 11.91 116.77 207877.78 16:40:10 5.11 0.23 4.71 0.18 3.63 129.68 68.87 16:50:01 5.06 0.08 4.80 0.18 1.84 130.73 368.97 17:00:10 10.00 0.22 9.39 0.39 4.82 523.26 112.62 17:10:10 7.13 0.21 6.62 0.29 4.45 245.04 276.63 Average: 31.01 4.15 24.07 2.79 339.35 4764.59 25365.13 15:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 2144652 13477336 2443344 14.92 260880 10810072 3196828 18.35 2084720 11316064 740524 16:00:06 8149084 9998204 5942228 36.29 263156 1699204 6860732 39.38 1134812 6651156 78784 16:10:10 11067628 12965280 2978028 18.19 266564 1744152 3798284 21.80 1167668 3687712 6040 16:20:01 9608268 11538412 4406688 26.91 268476 1774732 5250752 30.14 1172424 5175464 372 16:30:10 9563436 11515080 4429892 27.06 270004 1794716 5287040 30.35 1181272 5204696 104 16:40:10 8083928 10052176 5891952 35.99 270840 1810476 6729040 38.62 1184484 6680676 172 16:50:01 7994396 9979628 5964560 36.43 271652 1826652 6724532 38.60 1188608 6766504 452 17:00:10 9305436 11408212 4536664 27.71 275500 1936172 5386220 30.92 1198504 5444596 252 17:10:10 8493808 10639572 5304708 32.40 276716 1977828 6085812 34.93 1218704 6235124 624 Average: 8267848 11285989 4655340 28.43 269310 2819334 5479916 31.45 1281244 6351332 91925 15:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:01 lo 3.30 3.30 2.35 2.35 0.00 0.00 0.00 0.00 15:50:01 ens3 175.92 130.89 2047.78 18.02 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:06 lo 32.61 32.61 22.24 22.24 0.00 0.00 0.00 0.00 16:00:06 ens3 2.28 1.84 0.62 0.58 0.00 0.00 0.00 0.00 16:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:10 lo 31.01 31.01 11.76 11.76 0.00 0.00 0.00 0.00 16:10:10 ens3 1.19 0.92 0.22 0.19 0.00 0.00 0.00 0.00 16:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 16.96 16.96 9.25 9.25 0.00 0.00 0.00 0.00 16:20:01 ens3 0.81 0.72 0.15 0.12 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:10 lo 22.52 22.52 8.96 8.96 0.00 0.00 0.00 0.00 16:30:10 ens3 0.76 0.55 0.19 0.14 0.00 0.00 0.00 0.00 16:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:10 lo 24.40 24.40 10.59 10.59 0.00 0.00 0.00 0.00 16:40:10 ens3 0.66 0.48 0.15 0.11 0.00 0.00 0.00 0.00 16:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 lo 14.24 14.24 8.29 8.29 0.00 0.00 0.00 0.00 16:50:01 ens3 0.56 0.40 0.10 0.08 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:10 lo 16.10 16.10 9.68 9.68 0.00 0.00 0.00 0.00 17:00:10 ens3 0.93 0.73 0.26 0.21 0.00 0.00 0.00 0.00 17:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:10 lo 26.08 26.08 10.96 10.96 0.00 0.00 0.00 0.00 17:10:10 ens3 0.87 0.73 0.18 0.14 0.00 0.00 0.00 0.00 17:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.82 20.82 10.46 10.46 0.00 0.00 0.00 0.00 Average: ens3 20.47 15.27 228.00 2.18 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-14834) 05/14/26 _x86_64_ (4 CPU) 15:39:25 LINUX RESTART (4 CPU) 15:40:00 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 44.07 0.00 2.65 2.59 0.09 50.59 15:50:01 0 41.22 0.00 2.64 2.41 0.09 53.63 15:50:01 1 42.53 0.00 2.60 2.71 0.09 52.07 15:50:01 2 47.96 0.00 2.93 3.44 0.09 45.57 15:50:01 3 44.59 0.00 2.44 1.81 0.09 51.08 16:00:06 all 58.22 0.00 2.17 8.80 0.12 30.69 16:00:06 0 57.57 0.00 2.11 8.36 0.12 31.83 16:00:06 1 58.90 0.00 2.22 9.82 0.12 28.93 16:00:06 2 57.76 0.00 2.34 7.88 0.13 31.89 16:00:06 3 58.65 0.00 1.99 9.12 0.13 30.12 16:10:10 all 32.64 0.00 1.27 0.08 0.10 65.91 16:10:10 0 32.28 0.00 1.29 0.16 0.10 66.17 16:10:10 1 32.91 0.00 1.20 0.04 0.11 65.74 16:10:10 2 32.72 0.00 1.21 0.05 0.10 65.90 16:10:10 3 32.64 0.00 1.38 0.05 0.10 65.82 16:20:01 all 21.52 0.00 0.67 0.06 0.08 77.66 16:20:01 0 21.92 0.00 0.60 0.12 0.08 77.27 16:20:01 1 21.37 0.00 0.78 0.05 0.08 77.73 16:20:01 2 21.45 0.00 0.68 0.06 0.08 77.73 16:20:01 3 21.35 0.00 0.63 0.03 0.08 77.91 16:30:10 all 8.17 0.00 0.35 0.06 0.08 91.34 16:30:10 0 8.51 0.00 0.42 0.01 0.09 90.97 16:30:10 1 7.66 0.00 0.32 0.03 0.07 91.91 16:30:10 2 8.33 0.00 0.32 0.08 0.07 91.20 16:30:10 3 8.17 0.00 0.35 0.12 0.07 91.29 16:40:10 all 10.50 0.00 0.52 0.89 0.07 88.01 16:40:10 0 10.46 0.00 0.46 0.10 0.07 88.91 16:40:10 1 10.49 0.00 0.49 0.11 0.07 88.84 16:40:10 2 10.78 0.00 0.61 2.62 0.08 85.90 16:40:10 3 10.28 0.00 0.51 0.73 0.08 88.41 16:50:01 all 9.81 0.00 0.51 0.04 0.07 89.56 16:50:01 0 10.01 0.00 0.42 0.02 0.08 89.47 16:50:01 1 9.74 0.00 0.64 0.05 0.08 89.50 16:50:01 2 9.74 0.00 0.51 0.01 0.07 89.67 16:50:01 3 9.77 0.00 0.48 0.09 0.07 89.60 17:00:10 all 13.44 0.00 0.54 0.16 0.07 85.79 17:00:10 0 12.58 0.00 0.53 0.16 0.07 86.66 17:00:10 1 13.54 0.00 0.56 0.37 0.08 85.45 17:00:10 2 13.89 0.00 0.56 0.04 0.08 85.44 17:00:10 3 13.74 0.00 0.50 0.08 0.07 85.61 17:10:10 all 15.73 0.00 0.54 0.07 0.08 83.59 17:10:10 0 15.85 0.00 0.51 0.13 0.07 83.44 17:10:10 1 15.26 0.00 0.52 0.08 0.07 84.07 17:10:10 2 15.83 0.00 0.57 0.04 0.08 83.49 17:10:10 3 15.97 0.00 0.56 0.04 0.08 83.35 Average: all 23.80 0.00 1.03 1.42 0.09 73.67 Average: 0 23.40 0.00 1.00 1.28 0.09 74.24 Average: 1 23.60 0.00 1.04 1.48 0.09 73.80 Average: 2 24.28 0.00 1.08 1.58 0.09 72.96 Average: 3 23.91 0.00 0.98 1.34 0.09 73.67