---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5481 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 873 12533 4 18685 30751 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:45:c9:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.157/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84460sec preferred_lft 84460sec inet6 fe80::f816:3eff:fe45:c9d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:90:4c:4f:24:0a 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::1c90:4cff:fe4f:240a/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-5481) 03/27/26 _x86_64_ (8 CPU) 11:12:11 LINUX RESTART (8 CPU) 11:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:16 199.58 0.30 192.11 7.17 14.53 33315.88 24958.92 11:40:16 12.61 0.12 12.20 0.29 5.10 499.89 2538.38 Average: 107.34 0.21 103.35 3.77 9.88 17125.66 13897.43 11:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:16 1522136 20711828 11443568 34.82 587728 17738852 17076688 50.36 4682088 22977484 1276 11:40:16 311768 19597860 12556076 38.21 588264 17830024 18053392 53.24 4725068 24147108 420 Average: 916952 20154844 11999822 36.52 587996 17784438 17565040 51.80 4703578 23562296 848 11:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:16 lo 0.56 0.56 0.07 0.07 0.00 0.00 0.00 0.00 11:30:16 ens3 125.84 80.57 1724.55 21.08 0.00 0.00 0.00 0.00 11:30:16 docker0 12.71 25.11 0.74 506.03 0.00 0.00 0.00 0.00 11:30:16 br-f237b18e04b0 0.28 0.24 0.01 0.02 0.00 0.00 0.00 0.00 11:30:16 veth166331a 0.39 0.39 0.04 0.20 0.00 0.00 0.00 0.00 11:30:16 veth327ee4d 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:30:16 veth2597123 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 11:30:16 vethd91f9e9 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 11:30:16 veth1c501be 41.54 43.27 14.78 17.70 0.00 0.00 0.00 0.00 11:30:16 vethe40f91b 38.40 36.54 23.24 11.39 0.00 0.00 0.00 0.00 11:30:16 veth39c7da3 0.54 0.92 0.67 6.55 0.00 0.00 0.00 0.00 11:30:16 veth3b58592 1.58 1.27 0.21 1.32 0.00 0.00 0.00 0.00 11:40:16 lo 8.92 8.92 38.50 38.50 0.00 0.00 0.00 0.00 11:40:16 ens3 18.26 11.33 6.77 6.08 0.00 0.00 0.00 0.00 11:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:16 br-f237b18e04b0 4.83 4.68 37.58 1.05 0.00 0.00 0.00 0.00 11:40:16 veth166331a 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 11:40:16 veth327ee4d 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:16 veth2597123 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:16 vethd91f9e9 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 11:40:16 veth1c501be 320.87 346.25 257.66 160.17 0.00 0.00 0.00 0.02 11:40:16 vethe40f91b 124.35 114.49 101.74 75.59 0.00 0.00 0.00 0.01 11:40:16 veth3b58592 230.27 214.46 105.66 186.27 0.00 0.00 0.00 0.02 Average: lo 4.68 4.68 19.03 19.03 0.00 0.00 0.00 0.00 Average: ens3 72.76 46.41 877.06 13.68 0.00 0.00 0.00 0.00 Average: docker0 6.44 12.72 0.37 256.37 0.00 0.00 0.00 0.00 Average: br-f237b18e04b0 2.52 2.43 18.55 0.52 0.00 0.00 0.00 0.00 Average: veth166331a 0.40 0.30 0.06 0.27 0.00 0.00 0.00 0.00 Average: veth327ee4d 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2597123 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethd91f9e9 0.13 0.16 0.01 0.04 0.00 0.00 0.00 0.00 Average: veth1c501be 179.35 192.75 134.60 87.99 0.00 0.00 0.00 0.01 Average: vethe40f91b 80.80 74.99 61.97 43.06 0.00 0.00 0.00 0.01 Average: veth3b58592 114.41 106.45 52.24 92.57 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-5481) 03/27/26 _x86_64_ (8 CPU) 11:12:11 LINUX RESTART (8 CPU) 11:20:00 CPU %user %nice %system %iowait %steal %idle 11:30:16 all 12.94 0.02 2.23 1.48 0.07 83.27 11:30:16 0 12.18 0.02 2.00 1.39 0.07 84.34 11:30:16 1 12.05 0.02 2.09 1.42 0.08 84.34 11:30:16 2 15.24 0.03 2.94 2.10 0.08 79.61 11:30:16 3 12.19 0.04 2.11 1.06 0.07 84.54 11:30:16 4 13.75 0.01 2.34 2.12 0.07 81.71 11:30:16 5 13.40 0.01 2.03 1.39 0.07 83.10 11:30:16 6 12.69 0.02 2.16 0.80 0.06 84.27 11:30:16 7 11.97 0.01 2.16 1.56 0.07 84.24 11:40:16 all 7.07 0.00 1.20 0.08 0.07 91.58 11:40:16 0 7.82 0.00 1.33 0.34 0.07 90.43 11:40:16 1 7.63 0.00 1.30 0.05 0.08 90.94 11:40:16 2 7.56 0.00 1.41 0.04 0.08 90.91 11:40:16 3 6.65 0.00 1.07 0.03 0.07 92.17 11:40:16 4 7.08 0.00 1.22 0.09 0.08 91.53 11:40:16 5 6.80 0.00 0.99 0.04 0.07 92.10 11:40:16 6 6.50 0.00 1.12 0.02 0.07 92.28 11:40:16 7 6.48 0.01 1.13 0.04 0.07 92.27 Average: all 10.05 0.01 1.72 0.79 0.07 87.36 Average: 0 10.04 0.01 1.67 0.87 0.07 87.34 Average: 1 9.88 0.01 1.70 0.74 0.08 87.59 Average: 2 11.46 0.02 2.19 1.09 0.08 85.17 Average: 3 9.46 0.02 1.60 0.55 0.07 88.30 Average: 4 10.47 0.01 1.79 1.12 0.07 86.54 Average: 5 10.15 0.01 1.52 0.72 0.07 87.53 Average: 6 9.65 0.01 1.65 0.42 0.06 88.21 Average: 7 9.27 0.01 1.65 0.81 0.07 88.19