---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-28460 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 779 18927 4 12385 30845 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:f2:f8:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84541sec preferred_lft 84541sec inet6 fe80::f816:3eff:fef2:f82b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:a7:ba:d4:b9:66 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::c0a7:baff:fed4:b966/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-28460) 06/19/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:18 20.01 0.49 18.99 0.53 17.27 15089.86 333.59 00:30:31 36.57 1.99 33.57 1.01 309.01 10374.07 4770.28 Average: 28.32 1.24 26.31 0.77 163.64 12723.92 2559.51 00:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:18 19003756 27956568 4331896 13.18 191916 8811464 4556228 13.44 2217080 10975512 372 00:30:31 18361108 30534064 1736940 5.29 231368 11844572 2343788 6.91 3226644 10441632 10540 Average: 18682432 29245316 3034418 9.23 211642 10328018 3450008 10.17 2721862 10708572 5456 00:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:18 lo 257.02 257.02 250.45 250.45 0.00 0.00 0.00 0.00 00:20:18 ens3 62.17 51.42 315.76 13.08 0.00 0.00 0.00 0.00 00:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:31 lo 15.57 15.57 1.76 1.76 0.00 0.00 0.00 0.00 00:30:31 ens3 196.16 203.21 485.67 2697.89 0.00 0.00 0.00 0.00 00:30:31 docker0 81.94 75.41 1347.03 10.08 0.00 0.00 0.00 0.00 Average: lo 135.89 135.89 125.68 125.68 0.00 0.00 0.00 0.00 Average: ens3 129.39 127.57 401.00 1360.07 0.00 0.00 0.00 0.00 Average: docker0 41.11 37.83 675.81 5.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-28460) 06/19/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:09 CPU %user %nice %system %iowait %steal %idle 00:20:18 all 27.36 0.00 1.27 0.13 0.06 71.17 00:20:18 0 30.51 0.00 1.19 0.11 0.07 68.12 00:20:18 1 28.09 0.00 1.51 0.04 0.07 70.30 00:20:18 2 26.72 0.00 1.22 0.05 0.06 71.95 00:20:18 3 24.19 0.00 1.13 0.21 0.06 74.40 00:20:18 4 27.95 0.00 1.21 0.07 0.06 70.72 00:20:18 5 25.72 0.00 1.45 0.30 0.06 72.47 00:20:18 6 31.56 0.00 1.43 0.10 0.07 66.84 00:20:18 7 24.12 0.00 1.04 0.18 0.06 74.61 00:30:31 all 11.31 0.00 1.00 0.11 0.04 87.54 00:30:31 0 14.48 0.00 1.01 0.08 0.05 84.38 00:30:31 1 12.46 0.00 1.19 0.02 0.04 86.29 00:30:31 2 9.17 0.00 0.67 0.10 0.04 90.02 00:30:31 3 11.82 0.00 0.87 0.26 0.03 87.03 00:30:31 4 7.27 0.00 0.50 0.09 0.04 92.11 00:30:31 5 5.69 0.00 0.75 0.12 0.04 93.41 00:30:31 6 13.46 0.00 1.46 0.05 0.04 84.98 00:30:31 7 16.13 0.00 1.52 0.19 0.05 82.11 Average: all 19.30 0.00 1.13 0.12 0.05 79.39 Average: 0 22.46 0.00 1.10 0.09 0.06 76.29 Average: 1 20.24 0.00 1.35 0.03 0.05 78.33 Average: 2 17.91 0.00 0.94 0.08 0.05 81.02 Average: 3 17.97 0.00 1.00 0.23 0.05 80.75 Average: 4 17.57 0.00 0.85 0.08 0.05 81.45 Average: 5 15.67 0.00 1.10 0.21 0.05 82.98 Average: 6 22.47 0.00 1.45 0.08 0.05 75.95 Average: 7 20.11 0.00 1.28 0.18 0.05 78.37