---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54513 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: 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: 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 12G 66G 16% / 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 671 8807 4 6510 14975 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:30:23:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84499sec preferred_lft 84499sec inet6 fe80::f816:3eff:fe30:23bb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:a1:e4:d0:ef:bd 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-54513) 03/31/26 _x86_64_ (4 CPU) 09:53:11 LINUX RESTART (4 CPU) 10:00:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:02 28.27 0.02 25.02 3.23 0.23 2259.34 7137.81 10:20:42 19.95 0.03 18.16 1.75 0.70 3704.59 6665.52 Average: 23.83 0.03 21.36 2.44 0.48 3030.23 6885.89 10:00:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:02 9456032 13116916 2840896 17.35 146040 3625864 2927720 16.81 720048 5806244 24212 10:20:42 5728116 10336900 5616620 34.30 162968 4516712 5317720 30.52 993692 9185160 29896 Average: 7592074 11726908 4228758 25.83 154504 4071288 4122720 23.66 856870 7495702 27054 10:00:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:02 lo 1557.02 1557.02 1478.87 1478.87 0.00 0.00 0.00 0.00 10:10:02 ens3 21.89 19.98 11.08 6.62 0.00 0.00 0.00 0.00 10:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:42 lo 821.28 821.28 4969.17 4969.17 0.00 0.00 0.00 0.00 10:20:42 ens3 19.86 16.77 39.56 5.25 0.00 0.00 0.00 0.00 10:20:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1164.59 1164.59 3340.57 3340.57 0.00 0.00 0.00 0.00 Average: ens3 20.80 18.27 26.27 5.89 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-54513) 03/31/26 _x86_64_ (4 CPU) 09:53:11 LINUX RESTART (4 CPU) 10:00:42 CPU %user %nice %system %iowait %steal %idle 10:10:02 all 64.65 0.00 2.50 0.11 0.11 32.63 10:10:02 0 62.95 0.00 2.57 0.04 0.11 34.33 10:10:02 1 66.75 0.00 1.99 0.05 0.10 31.11 10:10:02 2 63.24 0.00 2.69 0.22 0.11 33.74 10:10:02 3 65.66 0.00 2.74 0.14 0.11 31.36 10:20:42 all 52.35 0.00 1.78 0.08 0.09 45.69 10:20:42 0 44.81 0.00 1.71 0.03 0.09 53.37 10:20:42 1 56.94 0.00 1.92 0.06 0.09 40.99 10:20:42 2 50.56 0.00 1.74 0.08 0.09 47.53 10:20:42 3 57.13 0.00 1.74 0.17 0.09 40.88 Average: all 58.09 0.00 2.11 0.10 0.10 39.61 Average: 0 53.26 0.00 2.11 0.03 0.10 44.50 Average: 1 61.51 0.00 1.95 0.06 0.10 36.38 Average: 2 56.47 0.00 2.18 0.15 0.10 41.10 Average: 3 61.10 0.00 2.20 0.15 0.10 36.44