---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2404 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 25G 131G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 1012 16683 3 14395 30607 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:05:f3:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.190/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83722sec preferred_lft 83722sec inet6 fe80::f816:3eff:fe05:f399/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:19:7f:9c:a3:eb 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::1c19:7fff:fe9c:a3eb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2404) 03/31/26 _x86_64_ (8 CPU) 13:13:05 LINUX RESTART (8 CPU) 13:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:06 223.42 0.60 215.59 7.24 21.61 39591.44 52683.55 13:40:01 31.48 1.14 27.78 2.56 29.60 4867.37 8349.87 13:50:36 10.89 0.18 10.19 0.53 4.97 2010.93 426.70 Average: 86.17 0.63 82.18 3.36 18.40 15064.89 19872.83 13:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:06 277392 18395108 13753032 41.85 572648 16706920 19692744 58.07 4595192 24323408 904 13:40:01 337060 16133948 15871132 48.30 567996 14560924 22634380 66.75 4297240 24561024 11216 13:50:36 314416 15811740 16170616 49.21 567596 14294376 22942320 67.65 4254628 24636180 12644 Average: 309623 16780265 15264927 46.45 569413 15187407 21756481 64.16 4382353 24506871 8255 13:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:06 lo 0.66 0.66 0.05 0.05 0.00 0.00 0.00 0.00 13:30:06 ens3 170.48 113.82 1903.50 29.02 0.00 0.00 0.00 0.00 13:30:06 docker0 19.60 34.42 1.12 566.02 0.00 0.00 0.00 0.00 13:30:06 br-9f9d16d2a2af 0.31 0.27 0.01 0.02 0.00 0.00 0.00 0.00 13:30:06 veth575bd30 0.39 0.39 0.04 0.19 0.00 0.00 0.00 0.00 13:30:06 veth87f00a5 0.02 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:30:06 veth29e183e 0.04 0.14 0.00 0.01 0.00 0.00 0.00 0.00 13:30:06 vethc153fae 31.95 32.73 9.79 9.40 0.00 0.00 0.00 0.00 13:30:06 veth5d0465f 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:30:06 veth35b8ea4 27.38 26.53 10.68 6.13 0.00 0.00 0.00 0.00 13:30:06 vethd96ca8e 0.30 0.46 0.49 2.33 0.00 0.00 0.00 0.00 13:30:06 vethc3f5364 1.47 1.20 0.20 1.25 0.00 0.00 0.00 0.00 13:40:01 lo 19.86 19.86 62.69 62.69 0.00 0.00 0.00 0.00 13:40:01 ens3 14.52 11.40 33.10 3.69 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 br-9f9d16d2a2af 19.46 22.54 12.63 81.90 0.00 0.00 0.00 0.00 13:40:01 veth575bd30 12.15 10.33 117.14 37.39 0.00 0.00 0.00 0.01 13:40:01 veth87f00a5 30.27 33.39 12.20 306.16 0.00 0.00 0.00 0.03 13:40:01 veth29e183e 18.62 20.54 226.02 117.54 0.00 0.00 0.00 0.02 13:40:01 vethc153fae 105.75 115.13 74.18 54.91 0.00 0.00 0.00 0.01 13:40:01 veth5d0465f 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 13:40:01 veth35b8ea4 72.82 66.54 84.05 38.60 0.00 0.00 0.00 0.01 13:40:01 vethc3f5364 49.40 45.58 20.89 38.44 0.00 0.00 0.00 0.00 13:50:36 lo 35.12 35.12 166.18 166.18 0.00 0.00 0.00 0.00 13:50:36 ens3 1.76 0.95 0.57 1.08 0.00 0.00 0.00 0.00 13:50:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:36 br-9f9d16d2a2af 29.20 31.37 33.28 134.66 0.00 0.00 0.00 0.00 13:50:36 veth575bd30 9.01 8.50 41.87 41.03 0.00 0.00 0.00 0.00 13:50:36 veth87f00a5 33.79 35.86 33.95 174.68 0.00 0.00 0.00 0.01 13:50:36 veth29e183e 9.09 9.54 41.53 41.40 0.00 0.00 0.00 0.00 13:50:36 vethc153fae 61.41 67.39 52.09 22.42 0.00 0.00 0.00 0.00 13:50:36 veth5d0465f 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:36 veth35b8ea4 41.73 39.11 50.14 21.10 0.00 0.00 0.00 0.00 13:50:36 vethc3f5364 31.74 28.55 13.38 33.33 0.00 0.00 0.00 0.00 Average: lo 19.01 19.01 78.71 78.71 0.00 0.00 0.00 0.00 Average: ens3 60.35 40.77 624.85 10.94 0.00 0.00 0.00 0.00 Average: docker0 6.32 11.10 0.36 182.52 0.00 0.00 0.00 0.00 Average: br-9f9d16d2a2af 16.69 18.45 15.79 73.96 0.00 0.00 0.00 0.00 Average: veth575bd30 7.26 6.49 53.03 26.67 0.00 0.00 0.00 0.00 Average: veth87f00a5 21.75 23.53 15.88 161.42 0.00 0.00 0.00 0.01 Average: veth29e183e 9.29 10.11 88.57 52.99 0.00 0.00 0.00 0.01 Average: vethc153fae 66.43 71.85 45.68 28.86 0.00 0.00 0.00 0.00 Average: veth5d0465f 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth35b8ea4 47.29 44.04 48.52 22.00 0.00 0.00 0.00 0.00 Average: vethc3f5364 27.76 25.31 11.59 24.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2404) 03/31/26 _x86_64_ (8 CPU) 13:13:05 LINUX RESTART (8 CPU) 13:20:20 CPU %user %nice %system %iowait %steal %idle 13:30:06 all 16.07 0.02 2.66 0.64 0.08 80.52 13:30:06 0 14.12 0.02 2.61 0.43 0.07 82.73 13:30:06 1 15.79 0.03 2.45 0.52 0.08 81.13 13:30:06 2 17.47 0.01 2.94 0.52 0.09 78.98 13:30:06 3 16.91 0.02 2.64 0.71 0.08 79.63 13:30:06 4 16.63 0.03 2.65 0.47 0.08 80.14 13:30:06 5 15.76 0.02 2.56 0.86 0.08 80.72 13:30:06 6 17.84 0.03 2.72 0.55 0.08 78.79 13:30:06 7 14.06 0.01 2.72 1.08 0.08 82.06 13:40:01 all 10.82 0.01 1.91 0.12 0.09 87.04 13:40:01 0 11.60 0.01 1.98 0.19 0.09 86.13 13:40:01 1 11.36 0.01 1.96 0.06 0.10 86.51 13:40:01 2 11.32 0.00 1.87 0.11 0.10 86.61 13:40:01 3 10.19 0.02 2.02 0.17 0.10 87.50 13:40:01 4 10.45 0.01 1.91 0.06 0.09 87.48 13:40:01 5 12.06 0.00 1.87 0.14 0.09 85.83 13:40:01 6 9.80 0.01 1.80 0.09 0.09 88.23 13:40:01 7 9.79 0.00 1.89 0.19 0.09 88.05 13:50:36 all 7.77 0.00 1.81 0.04 0.09 90.29 13:50:36 0 7.22 0.00 1.85 0.02 0.09 90.82 13:50:36 1 8.67 0.00 1.95 0.04 0.09 89.24 13:50:36 2 8.01 0.00 1.81 0.02 0.09 90.06 13:50:36 3 7.67 0.00 1.76 0.09 0.09 90.38 13:50:36 4 7.78 0.00 1.80 0.02 0.09 90.32 13:50:36 5 7.81 0.00 1.80 0.05 0.09 90.25 13:50:36 6 6.98 0.00 1.68 0.02 0.09 91.23 13:50:36 7 8.02 0.00 1.83 0.05 0.09 90.00 Average: all 11.45 0.01 2.12 0.26 0.09 86.08 Average: 0 10.88 0.01 2.14 0.21 0.08 86.68 Average: 1 11.85 0.01 2.12 0.20 0.09 85.73 Average: 2 12.14 0.00 2.19 0.21 0.09 85.36 Average: 3 11.48 0.01 2.13 0.32 0.09 85.97 Average: 4 11.51 0.01 2.11 0.18 0.08 86.10 Average: 5 11.77 0.01 2.07 0.34 0.09 85.73 Average: 6 11.40 0.01 2.05 0.21 0.08 86.24 Average: 7 10.55 0.00 2.14 0.43 0.09 86.80