---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4841 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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: 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: 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 854 14656 4 16581 30765 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:37:35:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.249/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83696sec preferred_lft 83696sec inet6 fe80::f816:3eff:fe37:353c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:e1:fa:15:e2:30 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::18e1:faff:fe15:e230/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4841) 07/03/26 _x86_64_ (8 CPU) 11:10:02 LINUX RESTART (8 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:04 111.15 0.42 107.11 3.62 19.58 13103.83 6116.51 11:40:01 27.69 0.18 25.20 2.31 18.94 4217.85 11180.93 11:50:04 10.97 0.07 10.45 0.45 1.50 1876.26 659.41 Average: 50.02 0.22 47.67 2.13 13.32 6407.67 5965.36 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:04 253588 19383800 12722048 38.71 586664 17691204 19291684 56.89 4871424 24040740 1536 11:40:01 426512 18046368 13926992 42.38 583328 16339132 20601820 60.75 4799172 23947416 12344 11:50:04 299240 17637836 14349484 43.67 583680 16049760 20938128 61.74 4677364 24171184 10920 Average: 326447 18356001 13666175 41.59 584557 16693365 20277211 59.80 4782653 24053113 8267 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:04 lo 1.06 1.06 0.57 0.57 0.00 0.00 0.00 0.00 11:30:04 ens3 62.29 46.59 922.59 9.65 0.00 0.00 0.00 0.00 11:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:04 br-0bf8b728d401 1.23 1.32 0.26 3.72 0.00 0.00 0.00 0.00 11:30:04 veth02e5586 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:30:04 veth7c59f9f 1.27 1.45 15.62 3.44 0.00 0.00 0.00 0.00 11:30:04 vethc3d0cc0 0.84 0.72 3.42 0.29 0.00 0.00 0.00 0.00 11:30:04 vetha86abf8 1.86 2.08 0.19 19.29 0.00 0.00 0.00 0.00 11:30:04 veth94e25a7 71.89 75.55 35.91 37.17 0.00 0.00 0.00 0.00 11:30:04 vethac4f63f 71.41 67.36 49.68 32.84 0.00 0.00 0.00 0.00 11:30:04 veth3af6e16 2.12 1.68 0.29 1.67 0.00 0.00 0.00 0.00 11:40:01 lo 30.28 30.28 113.76 113.76 0.00 0.00 0.00 0.00 11:40:01 ens3 10.19 8.70 27.74 1.73 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 br-0bf8b728d401 24.63 27.76 20.95 121.34 0.00 0.00 0.00 0.00 11:40:01 veth02e5586 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 11:40:01 veth7c59f9f 22.23 21.97 227.30 58.32 0.00 0.00 0.00 0.02 11:40:01 vethc3d0cc0 12.86 13.39 57.98 53.02 0.00 0.00 0.00 0.00 11:40:01 vetha86abf8 37.29 40.40 21.06 346.57 0.00 0.00 0.00 0.03 11:40:01 veth94e25a7 72.89 79.49 59.03 28.45 0.00 0.00 0.00 0.00 11:40:01 vethac4f63f 35.28 32.28 61.53 15.31 0.00 0.00 0.00 0.01 11:40:01 veth3af6e16 50.84 47.05 20.82 46.08 0.00 0.00 0.00 0.00 11:50:04 lo 34.46 34.46 166.97 166.97 0.00 0.00 0.00 0.00 11:50:04 ens3 0.96 0.82 0.28 1.12 0.00 0.00 0.00 0.00 11:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:04 br-0bf8b728d401 29.00 29.50 35.26 133.38 0.00 0.00 0.00 0.00 11:50:04 veth02e5586 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:04 veth7c59f9f 12.93 11.53 77.54 9.94 0.00 0.00 0.00 0.01 11:50:04 vethc3d0cc0 9.91 11.85 10.36 77.03 0.00 0.00 0.00 0.01 11:50:04 vetha86abf8 35.59 36.07 36.09 209.24 0.00 0.00 0.00 0.02 11:50:04 veth94e25a7 62.14 68.17 50.82 22.51 0.00 0.00 0.00 0.00 11:50:04 vethac4f63f 44.68 41.39 85.75 23.59 0.00 0.00 0.00 0.01 11:50:04 veth3af6e16 30.92 27.68 13.71 29.67 0.00 0.00 0.00 0.00 Average: lo 21.90 21.90 93.69 93.69 0.00 0.00 0.00 0.00 Average: ens3 24.54 18.74 317.98 4.18 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 Average: br-0bf8b728d401 18.26 19.50 18.81 86.01 0.00 0.00 0.00 0.00 Average: veth02e5586 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth7c59f9f 12.11 11.61 106.35 23.77 0.00 0.00 0.00 0.01 Average: vethc3d0cc0 7.85 8.63 23.79 43.41 0.00 0.00 0.00 0.00 Average: vetha86abf8 24.87 26.13 19.10 191.10 0.00 0.00 0.00 0.02 Average: veth94e25a7 68.96 74.38 48.55 29.38 0.00 0.00 0.00 0.00 Average: vethac4f63f 50.52 47.07 65.67 23.94 0.00 0.00 0.00 0.01 Average: veth3af6e16 27.87 25.39 11.57 25.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4841) 07/03/26 _x86_64_ (8 CPU) 11:10:02 LINUX RESTART (8 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:04 all 10.52 0.02 1.46 0.42 0.07 87.50 11:30:04 0 9.80 0.00 1.46 0.52 0.07 88.15 11:30:04 1 11.12 0.02 1.54 0.55 0.07 86.69 11:30:04 2 10.75 0.04 1.65 0.26 0.08 87.21 11:30:04 3 10.95 0.03 1.44 0.50 0.07 87.01 11:30:04 4 9.49 0.02 1.46 0.51 0.07 88.45 11:30:04 5 10.67 0.01 1.31 0.18 0.07 87.76 11:30:04 6 11.20 0.02 1.49 0.31 0.07 86.92 11:30:04 7 10.17 0.03 1.38 0.53 0.07 87.82 11:40:01 all 10.03 0.01 1.96 0.15 0.09 87.77 11:40:01 0 9.47 0.01 1.96 0.14 0.09 88.33 11:40:01 1 10.23 0.01 2.03 0.10 0.09 87.54 11:40:01 2 10.34 0.01 2.04 0.10 0.10 87.41 11:40:01 3 11.25 0.00 1.96 0.19 0.09 86.51 11:40:01 4 10.70 0.01 2.08 0.20 0.09 86.93 11:40:01 5 9.53 0.01 1.76 0.18 0.09 88.44 11:40:01 6 9.26 0.01 1.95 0.21 0.09 88.48 11:40:01 7 9.47 0.00 1.89 0.06 0.09 88.48 11:50:04 all 7.53 0.00 1.73 0.04 0.09 90.61 11:50:04 0 7.95 0.00 1.98 0.03 0.09 89.95 11:50:04 1 7.80 0.00 1.76 0.09 0.09 90.26 11:50:04 2 8.53 0.00 1.78 0.03 0.09 89.57 11:50:04 3 7.51 0.00 1.78 0.04 0.09 90.58 11:50:04 4 7.39 0.00 1.71 0.06 0.09 90.75 11:50:04 5 7.37 0.00 1.67 0.02 0.09 90.85 11:50:04 6 7.01 0.00 1.61 0.02 0.08 91.27 11:50:04 7 6.69 0.00 1.57 0.04 0.08 91.62 Average: all 9.36 0.01 1.72 0.20 0.08 88.63 Average: 0 9.07 0.00 1.80 0.23 0.08 88.81 Average: 1 9.72 0.01 1.78 0.25 0.08 88.16 Average: 2 9.87 0.02 1.82 0.13 0.09 88.07 Average: 3 9.90 0.01 1.73 0.24 0.08 88.04 Average: 4 9.19 0.01 1.75 0.25 0.08 88.72 Average: 5 9.19 0.01 1.58 0.13 0.08 89.02 Average: 6 9.16 0.01 1.68 0.18 0.08 88.89 Average: 7 8.77 0.01 1.61 0.21 0.08 89.31