---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4140 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: 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 856 12506 4 18728 30768 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:19:e2:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.217/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84531sec preferred_lft 84531sec inet6 fe80::f816:3eff:fe19:e2b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:8a:1d:b5:05:ef 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::848a:1dff:feb5:5ef/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-4140) 04/06/26 _x86_64_ (8 CPU) 12:00:36 LINUX RESTART (8 CPU) 12:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:01 113.78 0.43 85.94 27.42 19.34 10936.51 461190.42 12:30:09 7.69 0.00 7.47 0.23 0.00 402.12 1534.71 Average: 60.25 0.21 46.34 13.70 9.58 5621.12 229259.71 12:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:01 1221136 20473264 11680108 35.54 589596 17790612 17236168 50.83 4733692 23232408 508 12:30:09 3160752 22495256 9658040 29.39 589924 17870184 14933248 44.04 4754904 21280692 1116 Average: 2190944 21484260 10669074 32.47 589760 17830398 16084708 47.43 4744298 22256550 812 12:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:01 lo 1.14 1.14 1.57 1.57 0.00 0.00 0.00 0.00 12:20:01 ens3 49.88 31.52 904.13 8.32 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 br-a1f25d681400 0.64 0.60 1.46 0.09 0.00 0.00 0.00 0.00 12:20:01 veth4bd6b8c 0.04 0.14 0.00 0.01 0.00 0.00 0.00 0.00 12:20:01 vethb875d42 96.19 102.33 53.80 48.24 0.00 0.00 0.00 0.00 12:20:01 vethfb02ff0 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 12:20:01 veth994d083 0.13 0.21 0.01 0.04 0.00 0.00 0.00 0.00 12:20:01 veth6c7c440 0.49 0.43 0.06 0.28 0.00 0.00 0.00 0.00 12:20:01 vethf9deea0 79.21 74.02 53.75 36.27 0.00 0.00 0.00 0.00 12:20:01 veth0b79bad 21.66 19.86 8.98 16.37 0.00 0.00 0.00 0.00 12:30:09 lo 11.49 11.49 54.74 54.74 0.00 0.00 0.00 0.00 12:30:09 ens3 13.74 9.10 4.35 4.41 0.00 0.00 0.00 0.00 12:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:09 br-a1f25d681400 6.35 6.28 53.68 1.20 0.00 0.00 0.00 0.00 12:30:09 veth4bd6b8c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:09 vethb875d42 305.22 329.37 247.20 142.74 0.00 0.00 0.00 0.02 12:30:09 vethfb02ff0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:09 veth994d083 0.17 0.15 0.02 0.07 0.00 0.00 0.00 0.00 12:30:09 veth6c7c440 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 12:30:09 vethf9deea0 108.53 100.25 94.66 68.86 0.00 0.00 0.00 0.01 12:30:09 veth0b79bad 229.76 214.04 104.67 182.05 0.00 0.00 0.00 0.01 Average: lo 6.36 6.36 28.40 28.40 0.00 0.00 0.00 0.00 Average: ens3 31.65 20.21 450.12 6.34 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-a1f25d681400 3.52 3.47 27.81 0.65 0.00 0.00 0.00 0.00 Average: veth4bd6b8c 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethb875d42 201.66 216.89 151.39 95.92 0.00 0.00 0.00 0.01 Average: vethfb02ff0 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth994d083 0.15 0.18 0.02 0.05 0.00 0.00 0.00 0.00 Average: veth6c7c440 0.45 0.32 0.07 0.31 0.00 0.00 0.00 0.00 Average: vethf9deea0 94.00 87.25 74.39 52.71 0.00 0.00 0.00 0.01 Average: veth0b79bad 126.66 117.84 57.27 99.97 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4140) 04/06/26 _x86_64_ (8 CPU) 12:00:36 LINUX RESTART (8 CPU) 12:10:03 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 11.36 0.02 1.43 0.24 0.07 86.89 12:20:01 0 11.81 0.03 1.37 0.12 0.07 86.60 12:20:01 1 10.55 0.03 1.47 0.17 0.07 87.71 12:20:01 2 12.28 0.02 1.43 0.39 0.07 85.82 12:20:01 3 11.56 0.01 1.53 0.17 0.07 86.66 12:20:01 4 11.45 0.03 1.37 0.18 0.08 86.90 12:20:01 5 11.37 0.02 1.33 0.09 0.07 87.12 12:20:01 6 10.65 0.02 1.40 0.68 0.07 87.19 12:20:01 7 11.19 0.03 1.50 0.13 0.06 87.10 12:30:09 all 5.42 0.00 1.08 0.02 0.07 93.41 12:30:09 0 4.74 0.00 1.01 0.03 0.07 94.15 12:30:09 1 5.09 0.00 1.15 0.02 0.09 93.66 12:30:09 2 5.70 0.00 1.23 0.01 0.07 92.99 12:30:09 3 4.38 0.00 1.02 0.01 0.07 94.51 12:30:09 4 5.92 0.00 1.07 0.01 0.07 92.93 12:30:09 5 5.96 0.00 1.14 0.03 0.07 92.79 12:30:09 6 6.32 0.00 0.95 0.05 0.07 92.60 12:30:09 7 5.22 0.00 1.07 0.01 0.07 93.63 Average: all 8.37 0.01 1.25 0.13 0.07 90.17 Average: 0 8.25 0.01 1.19 0.07 0.07 90.41 Average: 1 7.80 0.01 1.31 0.09 0.08 90.70 Average: 2 8.97 0.01 1.33 0.20 0.07 89.43 Average: 3 7.95 0.01 1.27 0.09 0.07 90.61 Average: 4 8.66 0.01 1.22 0.09 0.08 89.94 Average: 5 8.64 0.01 1.23 0.06 0.07 89.98 Average: 6 8.47 0.01 1.17 0.36 0.07 89.92 Average: 7 8.18 0.01 1.28 0.07 0.06 90.39