---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1567 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 872 11965 4 19253 30752 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:54:36:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.251/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84278sec preferred_lft 84278sec inet6 fe80::f816:3eff:fe54:3621/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:b5:3e:a2:7f:95 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::48b5:3eff:fea2:7f95/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-1567) 07/21/26 _x86_64_ (8 CPU) 09:31:26 LINUX RESTART (8 CPU) 09:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:22 254.84 0.42 245.69 8.73 19.61 43323.81 228522.43 10:00:01 12.01 0.10 11.51 0.40 3.80 435.90 4663.96 Average: 137.20 0.27 132.24 4.69 11.95 22545.80 120069.19 09:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:22 1668156 21431960 10719036 32.62 599704 18261064 16668812 49.15 4805480 22680092 416 10:00:01 568872 20407904 11741500 35.73 600104 18331332 17671124 52.11 4848204 23713624 472 Average: 1118514 20919932 11230268 34.17 599904 18296198 17169968 50.63 4826842 23196858 444 09:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:22 lo 0.62 0.62 0.05 0.05 0.00 0.00 0.00 0.00 09:50:22 ens3 247.52 157.06 2000.52 45.95 0.00 0.00 0.00 0.00 09:50:22 docker0 27.98 47.40 1.55 655.16 0.00 0.00 0.00 0.00 09:50:22 br-f3312de552b5 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 09:50:22 veth3222a6f 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 09:50:22 vetha5406d8 0.32 0.35 0.03 0.14 0.00 0.00 0.00 0.00 09:50:22 veth0d8eed3 19.51 19.35 6.14 5.07 0.00 0.00 0.00 0.00 09:50:22 vethce66251 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:50:22 veth5ec99a6 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:50:22 vethe665562 14.18 14.24 5.07 2.66 0.00 0.00 0.00 0.00 09:50:22 vetheb8c89d 0.18 0.25 0.28 1.04 0.00 0.00 0.00 0.00 09:50:22 veth0ef1fe4 1.09 0.91 0.15 0.99 0.00 0.00 0.00 0.00 10:00:01 lo 6.38 6.38 30.66 30.66 0.00 0.00 0.00 0.00 10:00:01 ens3 13.32 8.54 5.09 4.44 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 br-f3312de552b5 3.53 3.32 29.93 0.80 0.00 0.00 0.00 0.00 10:00:01 veth3222a6f 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 vetha5406d8 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 10:00:01 veth0d8eed3 267.54 289.12 206.68 137.66 0.00 0.00 0.00 0.02 10:00:01 vethce66251 0.23 0.21 0.03 0.09 0.00 0.00 0.00 0.00 10:00:01 veth5ec99a6 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 vethe665562 126.51 116.11 104.61 71.27 0.00 0.00 0.00 0.01 10:00:01 veth0ef1fe4 170.31 158.44 78.19 139.26 0.00 0.00 0.00 0.01 Average: lo 3.41 3.41 14.88 14.88 0.00 0.00 0.00 0.00 Average: ens3 134.05 85.11 1033.79 25.84 0.00 0.00 0.00 0.00 Average: docker0 14.43 24.44 0.80 337.75 0.00 0.00 0.00 0.00 Average: br-f3312de552b5 1.86 1.74 14.50 0.40 0.00 0.00 0.00 0.00 Average: veth3222a6f 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vetha5406d8 0.36 0.28 0.05 0.24 0.00 0.00 0.00 0.00 Average: veth0d8eed3 139.67 150.04 103.29 69.31 0.00 0.00 0.00 0.01 Average: vethce66251 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth5ec99a6 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe665562 68.60 63.59 53.30 35.90 0.00 0.00 0.00 0.00 Average: veth0ef1fe4 83.08 77.22 37.96 67.98 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-1567) 07/21/26 _x86_64_ (8 CPU) 09:31:26 LINUX RESTART (8 CPU) 09:40:05 CPU %user %nice %system %iowait %steal %idle 09:50:22 all 19.29 0.02 2.93 1.61 0.08 76.08 09:50:22 0 18.80 0.02 2.62 0.83 0.08 77.65 09:50:22 1 20.54 0.02 2.91 1.29 0.08 75.16 09:50:22 2 19.52 0.00 2.86 2.63 0.08 74.91 09:50:22 3 21.34 0.02 3.43 1.37 0.09 73.75 09:50:22 4 20.52 0.02 2.79 1.67 0.08 74.93 09:50:22 5 17.94 0.03 2.94 1.34 0.08 77.67 09:50:22 6 18.77 0.01 2.91 2.26 0.08 75.97 09:50:22 7 16.91 0.03 2.95 1.47 0.08 78.56 10:00:01 all 7.78 0.00 1.26 0.04 0.07 90.84 10:00:01 0 7.47 0.00 1.23 0.03 0.07 91.20 10:00:01 1 8.71 0.00 1.35 0.02 0.07 89.84 10:00:01 2 7.55 0.00 1.20 0.04 0.07 91.14 10:00:01 3 8.27 0.00 1.35 0.03 0.08 90.27 10:00:01 4 8.30 0.00 1.22 0.03 0.07 90.37 10:00:01 5 7.71 0.00 1.25 0.04 0.06 90.93 10:00:01 6 7.12 0.00 1.30 0.15 0.07 91.36 10:00:01 7 7.11 0.00 1.19 0.01 0.06 91.62 Average: all 13.73 0.01 2.12 0.85 0.08 83.21 Average: 0 13.31 0.01 1.95 0.45 0.07 84.21 Average: 1 14.83 0.01 2.16 0.68 0.08 82.25 Average: 2 13.73 0.00 2.06 1.38 0.08 82.76 Average: 3 15.03 0.01 2.43 0.73 0.08 81.73 Average: 4 14.62 0.01 2.03 0.88 0.08 82.38 Average: 5 13.00 0.02 2.12 0.71 0.07 84.08 Average: 6 13.15 0.01 2.13 1.24 0.08 83.39 Average: 7 12.17 0.02 2.10 0.76 0.07 84.87