---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19628 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 18G 138G 12% / 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 759 19044 4 12288 30865 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:de:8e:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84523sec preferred_lft 84523sec inet6 fe80::f816:3eff:fede:8e0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:94:76:7e:50:9f 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::3c94:76ff:fe7e:509f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19628) 05/25/26 _x86_64_ (8 CPU) 00:00:25 LINUX RESTART (8 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 20.00 0.50 18.94 0.57 17.71 15338.81 1156.87 00:30:01 42.83 2.01 39.58 1.24 313.49 10572.77 4073.67 Average: 31.42 1.25 29.26 0.90 165.60 12955.77 2615.28 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19072428 27795492 4494704 13.68 188920 8589228 4716488 13.91 2077224 11056792 212 00:30:01 19687672 31588952 681872 2.07 234732 11575396 1304268 3.85 3111844 9212460 4 Average: 19380050 29692222 2588288 7.88 211826 10082312 3010378 8.88 2594534 10134626 108 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 224.35 224.35 219.56 219.56 0.00 0.00 0.00 0.00 00:20:01 ens3 55.97 47.50 319.94 13.01 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 lo 15.21 15.21 1.69 1.69 0.00 0.00 0.00 0.00 00:30:01 ens3 175.28 185.06 333.92 2743.06 0.00 0.00 0.00 0.00 00:30:01 docker0 88.01 89.95 1377.18 161.96 0.00 0.00 0.00 0.00 Average: lo 119.78 119.78 110.62 110.62 0.00 0.00 0.00 0.00 Average: ens3 115.62 116.28 326.93 1378.04 0.00 0.00 0.00 0.00 Average: docker0 44.01 44.98 688.59 80.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19628) 05/25/26 _x86_64_ (8 CPU) 00:00:25 LINUX RESTART (8 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.64 0.00 1.28 0.10 0.07 70.91 00:20:01 0 25.21 0.00 1.47 0.26 0.07 72.99 00:20:01 1 28.00 0.00 1.11 0.07 0.08 70.75 00:20:01 2 24.65 0.00 1.22 0.14 0.07 73.92 00:20:01 3 27.79 0.00 1.30 0.07 0.07 70.77 00:20:01 4 26.43 0.00 1.13 0.04 0.07 72.33 00:20:01 5 33.18 0.00 1.30 0.08 0.07 65.36 00:20:01 6 29.52 0.00 1.44 0.01 0.07 68.97 00:20:01 7 26.38 0.00 1.30 0.09 0.07 72.16 00:30:01 all 10.36 0.00 1.13 0.14 0.05 88.32 00:30:01 0 6.03 0.00 0.81 0.21 0.03 92.92 00:30:01 1 10.62 0.00 0.87 0.07 0.05 88.39 00:30:01 2 11.94 0.00 0.67 0.02 0.04 87.32 00:30:01 3 8.04 0.00 0.79 0.30 0.05 90.82 00:30:01 4 17.83 0.00 1.98 0.31 0.06 79.82 00:30:01 5 12.66 0.00 1.61 0.03 0.06 85.64 00:30:01 6 8.52 0.00 1.38 0.10 0.05 89.96 00:30:01 7 7.26 0.00 0.94 0.06 0.04 91.70 Average: all 19.00 0.00 1.21 0.12 0.06 79.62 Average: 0 15.60 0.00 1.14 0.24 0.05 82.97 Average: 1 19.30 0.00 0.99 0.07 0.06 79.58 Average: 2 18.29 0.00 0.94 0.08 0.06 80.63 Average: 3 17.91 0.00 1.05 0.18 0.06 80.80 Average: 4 22.13 0.00 1.55 0.18 0.06 76.08 Average: 5 22.92 0.00 1.46 0.05 0.06 75.51 Average: 6 19.01 0.00 1.41 0.05 0.06 79.47 Average: 7 16.81 0.00 1.12 0.07 0.06 81.94