---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4798 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: 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 22G 134G 14% / 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 810 16308 4 14973 30814 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:a9:ad:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.170/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84669sec preferred_lft 84669sec inet6 fe80::f816:3eff:fea9:ad55/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:3b:c2:5e:89:04 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::4c3b:c2ff:fe5e:8904/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-4798) 08/07/26 _x86_64_ (8 CPU) 11:22:21 LINUX RESTART (8 CPU) 11:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:00 151.79 3.99 142.17 5.63 332.94 22978.62 35975.64 11:50:01 205.66 2.88 194.44 8.34 373.73 28865.60 44782.89 Average: 178.78 3.43 168.36 6.99 353.37 25927.67 40387.59 11:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:00 22617124 30014520 2282772 6.95 146804 7413864 2598624 7.66 1888460 7793624 152 11:50:01 13035620 27987028 4233532 12.88 260316 14513644 11093228 32.71 3360768 15466164 640 Average: 17826372 29000774 3258152 9.91 203560 10963754 6845926 20.19 2624614 11629894 396 11:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:00 lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 11:40:00 ens3 151.66 101.33 1413.10 27.32 0.00 0.00 0.00 0.00 11:40:00 docker0 3.28 7.61 0.18 103.54 0.00 0.00 0.00 0.00 11:50:01 lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 11:50:01 ens3 104.92 55.15 2726.77 8.76 0.00 0.00 0.00 0.00 11:50:01 docker0 3.81 6.64 0.37 151.69 0.00 0.00 0.00 0.00 11:50:01 br-705e2f6cf85d 1.55 2.60 0.10 34.96 0.00 0.00 0.00 0.00 11:50:01 veth4d903e5 57.82 42.26 11.19 7.57 0.00 0.00 0.00 0.00 11:50:01 veth32cf15d 10.90 11.16 1.21 74.26 0.00 0.00 0.00 0.01 11:50:01 vethe6756de 5.41 5.60 0.48 6.30 0.00 0.00 0.00 0.00 11:50:01 vethb658423 30.48 34.59 25.76 6.22 0.00 0.00 0.00 0.00 11:50:01 vethbbfb28d 1.35 2.66 0.11 34.93 0.00 0.00 0.00 0.00 11:50:01 veth2debf9e 10.11 12.92 9.23 2.47 0.00 0.00 0.00 0.00 11:50:01 vethbf1408a 9.20 12.08 8.08 2.34 0.00 0.00 0.00 0.00 11:50:01 veth8878a76 8.03 10.55 7.43 1.64 0.00 0.00 0.00 0.00 11:50:01 veth93e8110 9.38 12.19 8.04 2.36 0.00 0.00 0.00 0.00 11:50:01 vetha16472d 8.07 10.67 7.03 1.93 0.00 0.00 0.00 0.00 11:50:01 veth313453e 25.23 24.95 28.02 13.98 0.00 0.00 0.00 0.00 11:50:01 veth34ae68e 25.47 24.95 28.32 14.55 0.00 0.00 0.00 0.00 11:50:01 veth7d2569b 3.21 2.72 0.66 1.93 0.00 0.00 0.00 0.00 Average: lo 0.57 0.57 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 128.25 78.20 2071.17 18.02 0.00 0.00 0.00 0.00 Average: docker0 3.55 7.12 0.28 127.66 0.00 0.00 0.00 0.00 Average: br-705e2f6cf85d 0.78 1.30 0.05 17.51 0.00 0.00 0.00 0.00 Average: veth4d903e5 28.97 21.17 5.60 3.79 0.00 0.00 0.00 0.00 Average: veth32cf15d 5.46 5.59 0.60 37.20 0.00 0.00 0.00 0.00 Average: vethe6756de 2.71 2.80 0.24 3.15 0.00 0.00 0.00 0.00 Average: vethb658423 15.27 17.33 12.90 3.12 0.00 0.00 0.00 0.00 Average: vethbbfb28d 0.68 1.33 0.06 17.50 0.00 0.00 0.00 0.00 Average: veth2debf9e 5.06 6.47 4.62 1.24 0.00 0.00 0.00 0.00 Average: vethbf1408a 4.61 6.05 4.05 1.17 0.00 0.00 0.00 0.00 Average: veth8878a76 4.02 5.28 3.72 0.82 0.00 0.00 0.00 0.00 Average: veth93e8110 4.70 6.11 4.03 1.18 0.00 0.00 0.00 0.00 Average: vetha16472d 4.04 5.34 3.52 0.97 0.00 0.00 0.00 0.00 Average: veth313453e 12.64 12.50 14.04 7.00 0.00 0.00 0.00 0.00 Average: veth34ae68e 12.76 12.50 14.19 7.29 0.00 0.00 0.00 0.00 Average: veth7d2569b 1.61 1.36 0.33 0.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-4798) 08/07/26 _x86_64_ (8 CPU) 11:22:21 LINUX RESTART (8 CPU) 11:30:01 CPU %user %nice %system %iowait %steal %idle 11:40:00 all 6.04 0.00 1.22 0.45 0.03 92.25 11:40:00 0 7.16 0.00 1.39 0.28 0.03 91.14 11:40:00 1 3.98 0.00 1.01 0.39 0.04 94.58 11:40:00 2 9.12 0.00 1.43 0.33 0.04 89.08 11:40:00 3 4.28 0.00 1.18 0.47 0.03 94.04 11:40:00 4 3.21 0.00 1.04 0.49 0.03 95.24 11:40:00 5 6.66 0.00 1.48 1.07 0.03 90.76 11:40:00 6 8.75 0.00 1.41 0.47 0.04 89.33 11:40:00 7 5.15 0.00 0.83 0.13 0.03 93.88 11:50:01 all 15.75 0.00 3.02 0.55 0.10 80.58 11:50:01 0 15.49 0.00 3.29 0.49 0.11 80.62 11:50:01 1 14.21 0.00 3.06 0.36 0.10 82.27 11:50:01 2 18.09 0.00 3.13 0.45 0.10 78.22 11:50:01 3 15.95 0.00 2.74 0.80 0.11 80.40 11:50:01 4 15.58 0.00 3.13 0.71 0.10 80.49 11:50:01 5 14.73 0.00 2.84 0.46 0.10 81.87 11:50:01 6 15.13 0.00 2.85 0.40 0.10 81.51 11:50:01 7 16.86 0.00 3.10 0.73 0.10 79.21 Average: all 10.90 0.00 2.12 0.50 0.07 86.42 Average: 0 11.33 0.00 2.34 0.39 0.07 85.87 Average: 1 9.11 0.00 2.04 0.38 0.07 88.41 Average: 2 13.60 0.00 2.28 0.39 0.07 83.66 Average: 3 10.11 0.00 1.96 0.63 0.07 87.23 Average: 4 9.40 0.00 2.08 0.60 0.06 87.86 Average: 5 10.69 0.00 2.16 0.77 0.07 86.32 Average: 6 11.94 0.00 2.13 0.44 0.07 85.43 Average: 7 11.00 0.00 1.96 0.43 0.06 86.55