---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2348 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: 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 17G 139G 11% / 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 785 19424 4 11882 30838 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:92:28:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84537sec preferred_lft 84537sec inet6 fe80::f816:3eff:fe92:289b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:e1:46:5e:fa:e9 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::28e1:46ff:fe5e:fae9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2348) 04/13/26 _x86_64_ (8 CPU) 00:23:10 LINUX RESTART (8 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:03 14.48 0.29 13.77 0.42 11.56 7686.54 586.27 00:50:29 48.93 2.11 45.58 1.24 340.58 16741.70 4459.61 Average: 32.04 1.22 29.99 0.84 179.29 12302.68 2560.82 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:03 22296320 29289460 3007892 9.15 169788 6950056 2998864 8.84 1816576 8176792 708660 00:50:29 20170068 31651060 621540 1.89 234008 11173968 1476216 4.35 3041636 8832548 20 Average: 21233194 30470260 1814716 5.52 201898 9062012 2237540 6.60 2429106 8504670 354340 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:03 lo 1.68 1.68 0.17 0.17 0.00 0.00 0.00 0.00 00:40:03 ens3 52.66 45.51 234.51 13.07 0.00 0.00 0.00 0.00 00:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:29 lo 202.91 202.91 199.05 199.05 0.00 0.00 0.00 0.00 00:50:29 ens3 125.88 111.94 419.20 1300.19 0.00 0.00 0.00 0.00 00:50:29 docker0 82.74 79.98 1291.03 154.95 0.00 0.00 0.00 0.00 00:50:29 veth43902f0 77.38 73.84 1291.76 9.96 0.00 0.00 0.00 0.11 Average: lo 104.26 104.26 101.55 101.55 0.00 0.00 0.00 0.00 Average: ens3 89.99 79.37 328.66 669.22 0.00 0.00 0.00 0.00 Average: docker0 42.18 40.77 658.14 78.99 0.00 0.00 0.00 0.00 Average: veth43902f0 39.45 37.64 658.51 5.08 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2348) 04/13/26 _x86_64_ (8 CPU) 00:23:10 LINUX RESTART (8 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:03 all 33.37 0.00 1.32 0.09 0.07 65.15 00:40:03 0 31.99 0.00 1.08 0.01 0.07 66.85 00:40:03 1 34.62 0.00 1.46 0.11 0.08 63.73 00:40:03 2 34.40 0.00 1.46 0.04 0.07 64.02 00:40:03 3 35.60 0.00 1.34 0.01 0.07 62.98 00:40:03 4 26.65 0.00 1.08 0.00 0.06 72.20 00:40:03 5 33.35 0.00 1.27 0.04 0.07 65.28 00:40:03 6 41.97 0.00 1.40 0.06 0.07 56.51 00:40:03 7 28.39 0.00 1.49 0.44 0.07 69.62 00:50:29 all 11.71 0.00 1.24 0.29 0.05 86.71 00:50:29 0 6.86 0.00 1.02 0.16 0.04 91.91 00:50:29 1 13.89 0.00 1.75 0.43 0.05 83.87 00:50:29 2 12.09 0.00 1.84 0.25 0.05 85.78 00:50:29 3 11.91 0.00 1.07 0.17 0.04 86.81 00:50:29 4 13.70 0.00 1.32 0.20 0.05 84.73 00:50:29 5 9.12 0.00 0.87 0.12 0.04 89.84 00:50:29 6 12.44 0.00 0.97 0.63 0.05 85.92 00:50:29 7 13.71 0.00 1.10 0.33 0.04 84.82 Average: all 22.32 0.00 1.28 0.19 0.06 76.15 Average: 0 19.17 0.00 1.05 0.09 0.06 79.64 Average: 1 24.04 0.00 1.61 0.28 0.06 74.00 Average: 2 23.00 0.00 1.65 0.15 0.06 75.13 Average: 3 23.51 0.00 1.20 0.09 0.06 75.14 Average: 4 20.05 0.00 1.20 0.10 0.05 78.59 Average: 5 21.00 0.00 1.07 0.08 0.06 77.80 Average: 6 26.90 0.00 1.18 0.35 0.06 71.51 Average: 7 20.90 0.00 1.29 0.38 0.05 77.37