---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52146 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 666 10517 4 4804 14980 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:2f:32:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84446sec preferred_lft 84446sec inet6 fe80::f816:3eff:fe2f:32b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:91:00:af:ec:ba 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-52146) 03/25/26 _x86_64_ (4 CPU) 11:54:24 LINUX RESTART (4 CPU) 12:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:10 11.79 1.92 9.14 0.73 124.08 2719.08 33.32 12:20:10 27.89 0.80 23.52 3.56 28.35 4521.95 4044.13 Average: 19.84 1.36 16.33 2.15 76.21 3620.51 2038.73 12:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:10 10812540 14025172 1935744 11.82 131408 3211620 2459996 14.12 550060 4642132 22548 12:20:10 8676344 13124328 2827228 17.27 170316 4316632 3474408 19.94 875920 6347484 13816 Average: 9744442 13574750 2381486 14.55 150862 3764126 2967202 17.03 712990 5494808 18182 12:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:10 lo 1.09 1.09 0.11 0.11 0.00 0.00 0.00 0.00 12:10:10 ens3 98.78 76.63 605.70 18.55 0.00 0.00 0.00 0.00 12:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:10 lo 1661.05 1661.05 1583.39 1583.39 0.00 0.00 0.00 0.00 12:20:10 ens3 96.75 68.51 466.56 18.29 0.00 0.00 0.00 0.00 12:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 831.07 831.07 791.75 791.75 0.00 0.00 0.00 0.00 Average: ens3 97.77 72.57 536.13 18.42 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 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-52146) 03/25/26 _x86_64_ (4 CPU) 11:54:24 LINUX RESTART (4 CPU) 12:00:10 CPU %user %nice %system %iowait %steal %idle 12:10:10 all 55.56 0.00 1.81 0.03 0.10 42.49 12:10:10 0 55.57 0.00 1.51 0.01 0.10 42.82 12:10:10 1 54.16 0.00 1.77 0.03 0.10 43.95 12:10:10 2 56.68 0.00 1.94 0.04 0.10 41.23 12:10:10 3 55.84 0.00 2.03 0.06 0.10 41.98 12:20:10 all 69.52 0.00 2.76 0.05 0.11 27.56 12:20:10 0 65.21 0.00 2.46 0.06 0.11 32.17 12:20:10 1 69.35 0.00 2.54 0.05 0.11 27.96 12:20:10 2 72.88 0.00 3.41 0.04 0.11 23.56 12:20:10 3 70.65 0.00 2.63 0.05 0.11 26.57 Average: all 62.53 0.00 2.28 0.04 0.11 35.03 Average: 0 60.39 0.00 1.98 0.03 0.10 37.49 Average: 1 61.75 0.00 2.15 0.04 0.10 35.96 Average: 2 64.78 0.00 2.68 0.04 0.11 32.39 Average: 3 63.23 0.00 2.33 0.05 0.11 34.29