---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4281 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 130G 17% / 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 861 17729 4 13501 30759 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:39:89:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.31/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83592sec preferred_lft 83592sec inet6 fe80::f816:3eff:fe39:89f1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:9c:ec:17:62:20 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::b49c:ecff:fe17:6220/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-4281) 08/05/26 _x86_64_ (8 CPU) 12:40:12 LINUX RESTART (8 CPU) 12:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:01 147.78 1.37 140.16 6.25 34.65 29971.12 21962.85 13:10:12 30.20 1.74 26.41 2.06 78.72 4329.09 14910.92 13:20:13 11.52 0.07 10.55 0.90 1.39 1639.47 2294.20 Average: 62.98 1.06 58.85 3.06 38.49 11935.96 13067.08 12:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:01 291640 17519176 14635104 44.53 569572 15815200 20514628 60.50 4511444 24389976 1484 13:10:12 266000 14512280 17389572 52.92 571756 13122048 25164128 74.21 4346792 24590736 13192 13:20:13 338488 14504052 17416772 53.00 572264 13022768 25093176 74.00 4320724 24533180 11692 Average: 298709 15511836 16480483 50.15 571197 13986672 23590644 69.57 4392987 24504631 8789 12:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:01 lo 0.59 0.59 0.04 0.04 0.00 0.00 0.00 0.00 13:00:01 ens3 115.29 67.35 1744.44 11.13 0.00 0.00 0.00 0.00 13:00:01 docker0 25.82 48.42 1.79 355.74 0.00 0.00 0.00 0.00 13:00:01 br-e1a6365a1a4e 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 13:00:01 veth5688894 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:00:01 vethdcda818 0.44 0.42 0.05 0.24 0.00 0.00 0.00 0.00 13:00:01 veth6f7d2dd 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:00:01 veth4ddbdf3 60.25 64.12 26.15 32.35 0.00 0.00 0.00 0.00 13:00:01 vethfae97a3 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 13:00:01 veth705bb04 59.94 55.48 44.12 22.81 0.00 0.00 0.00 0.00 13:00:01 veth331830a 0.89 1.63 0.95 12.75 0.00 0.00 0.00 0.00 13:00:01 veth259aa44 1.94 1.53 0.26 1.55 0.00 0.00 0.00 0.00 13:10:12 lo 25.33 25.33 95.89 95.89 0.00 0.00 0.00 0.00 13:10:12 ens3 10.70 9.33 28.17 2.81 0.00 0.00 0.00 0.00 13:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:12 br-e1a6365a1a4e 21.08 24.22 17.44 106.15 0.00 0.00 0.00 0.00 13:10:12 veth5688894 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 13:10:12 vethdcda818 10.11 10.03 47.10 21.34 0.00 0.00 0.00 0.00 13:10:12 veth6f7d2dd 17.18 17.14 170.81 47.35 0.00 0.00 0.00 0.01 13:10:12 veth4ddbdf3 79.92 86.46 55.48 32.03 0.00 0.00 0.00 0.00 13:10:12 vethfae97a3 30.63 33.80 17.07 275.23 0.00 0.00 0.00 0.02 13:10:12 veth705bb04 43.99 41.30 34.99 22.82 0.00 0.00 0.00 0.00 13:10:12 veth259aa44 47.93 44.20 20.29 35.07 0.00 0.00 0.00 0.00 13:20:13 lo 34.85 34.85 166.53 166.53 0.00 0.00 0.00 0.00 13:20:13 ens3 3.36 1.89 4.44 0.79 0.00 0.00 0.00 0.00 13:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:13 br-e1a6365a1a4e 24.36 26.11 33.52 137.60 0.00 0.00 0.00 0.00 13:20:13 veth5688894 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:13 vethdcda818 7.73 8.35 12.14 25.55 0.00 0.00 0.00 0.00 13:20:13 veth6f7d2dd 9.90 9.11 50.00 11.82 0.00 0.00 0.00 0.00 13:20:13 veth4ddbdf3 60.73 66.85 48.43 22.75 0.00 0.00 0.00 0.00 13:20:13 vethfae97a3 29.24 30.93 34.08 186.14 0.00 0.00 0.00 0.02 13:20:13 veth705bb04 41.42 38.78 34.68 24.38 0.00 0.00 0.00 0.00 13:20:13 veth259aa44 30.63 27.39 13.75 26.20 0.00 0.00 0.00 0.00 Average: lo 20.29 20.29 87.54 87.54 0.00 0.00 0.00 0.00 Average: ens3 42.93 26.09 589.10 4.90 0.00 0.00 0.00 0.00 Average: docker0 8.56 16.05 0.59 117.90 0.00 0.00 0.00 0.00 Average: br-e1a6365a1a4e 15.28 16.91 16.99 81.40 0.00 0.00 0.00 0.00 Average: veth5688894 0.05 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethdcda818 6.12 6.29 19.92 15.74 0.00 0.00 0.00 0.00 Average: veth6f7d2dd 9.09 8.84 74.17 19.89 0.00 0.00 0.00 0.01 Average: veth4ddbdf3 67.04 72.56 43.42 29.06 0.00 0.00 0.00 0.00 Average: vethfae97a3 20.03 21.68 17.05 154.49 0.00 0.00 0.00 0.01 Average: veth705bb04 48.43 45.16 37.92 23.33 0.00 0.00 0.00 0.00 Average: veth259aa44 26.95 24.49 11.49 21.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-4281) 08/05/26 _x86_64_ (8 CPU) 12:40:12 LINUX RESTART (8 CPU) 12:50:00 CPU %user %nice %system %iowait %steal %idle 13:00:01 all 11.53 0.02 2.34 1.11 0.11 84.89 13:00:01 0 10.69 0.01 2.67 0.93 0.10 85.60 13:00:01 1 11.45 0.02 2.30 0.96 0.11 85.15 13:00:01 2 12.23 0.01 2.42 1.43 0.11 83.79 13:00:01 3 13.04 0.03 2.47 1.06 0.10 83.30 13:00:01 4 10.86 0.02 2.35 1.03 0.12 85.63 13:00:01 5 11.45 0.02 2.06 1.16 0.10 85.22 13:00:01 6 11.64 0.04 2.32 1.26 0.10 84.64 13:00:01 7 10.89 0.02 2.10 1.03 0.11 85.84 13:10:12 all 10.69 0.01 2.36 1.17 0.11 85.67 13:10:12 0 9.25 0.00 3.19 0.55 0.11 86.91 13:10:12 1 10.92 0.00 2.44 1.11 0.11 85.42 13:10:12 2 10.72 0.00 2.29 0.90 0.12 85.98 13:10:12 3 11.48 0.01 2.24 1.06 0.11 85.10 13:10:12 4 10.27 0.00 2.22 3.45 0.11 83.94 13:10:12 5 11.34 0.01 2.21 0.82 0.11 85.52 13:10:12 6 10.85 0.01 2.09 0.75 0.11 86.19 13:10:12 7 10.68 0.00 2.18 0.73 0.11 86.29 13:20:13 all 8.28 0.00 2.27 0.30 0.46 88.70 13:20:13 0 7.28 0.00 3.06 0.46 0.63 88.57 13:20:13 1 8.84 0.00 2.59 0.32 0.25 88.00 13:20:13 2 9.34 0.00 2.44 0.25 0.47 87.50 13:20:13 3 8.99 0.00 2.06 0.34 0.39 88.22 13:20:13 4 7.95 0.00 2.01 0.45 0.40 89.19 13:20:13 5 7.32 0.00 1.85 0.08 0.33 90.41 13:20:13 6 7.57 0.00 1.81 0.31 0.36 89.95 13:20:13 7 8.96 0.00 2.34 0.16 0.80 87.74 Average: all 10.17 0.01 2.32 0.86 0.22 86.42 Average: 0 9.07 0.01 2.97 0.65 0.28 87.03 Average: 1 10.41 0.01 2.44 0.80 0.16 86.18 Average: 2 10.77 0.00 2.38 0.86 0.23 85.75 Average: 3 11.17 0.01 2.26 0.82 0.20 85.54 Average: 4 9.70 0.01 2.19 1.65 0.21 86.24 Average: 5 10.04 0.01 2.04 0.69 0.18 87.04 Average: 6 10.02 0.02 2.07 0.77 0.19 86.93 Average: 7 10.18 0.01 2.21 0.64 0.34 86.62