---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37753 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 67G 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 623 10479 4 4886 15023 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:ce:5f:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84711sec preferred_lft 84711sec inet6 fe80::f816:3eff:fece:5f2e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:c5:c4:ef:ab:ac 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-37753) 03/25/26 _x86_64_ (4 CPU) 09:47:52 LINUX RESTART (4 CPU) 09:50:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:30 10.86 1.70 8.70 0.45 120.85 2352.85 689.25 10:10:30 3.62 0.18 3.32 0.12 5.43 489.56 17.81 Average: 7.26 0.94 6.02 0.29 63.46 1426.42 355.41 09:50:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:30 9345588 12409256 3552888 21.70 114440 3113484 3779928 21.70 521420 6166584 5328 10:10:30 10540632 13747140 2214268 13.52 119096 3240024 2430188 13.95 551016 4927712 10020 Average: 9943110 13078198 2883578 17.61 116768 3176754 3105058 17.82 536218 5547148 7674 09:50:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:30 lo 0.69 0.69 0.38 0.38 0.00 0.00 0.00 0.00 10:00:30 ens3 31.31 26.18 303.59 4.19 0.00 0.00 0.00 0.00 10:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:30 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 10:10:30 ens3 5.93 4.75 30.36 1.22 0.00 0.00 0.00 0.00 10:10:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 18.69 15.52 167.74 2.72 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-37753) 03/25/26 _x86_64_ (4 CPU) 09:47:52 LINUX RESTART (4 CPU) 09:50:23 CPU %user %nice %system %iowait %steal %idle 10:00:30 all 52.37 0.00 0.99 0.18 0.11 46.35 10:00:30 0 51.77 0.00 0.76 0.17 0.10 47.19 10:00:30 1 56.90 0.00 1.21 0.25 0.11 41.53 10:00:30 2 47.17 0.00 1.03 0.20 0.11 51.49 10:00:30 3 53.63 0.00 0.98 0.08 0.11 45.20 10:10:30 all 49.23 0.00 0.56 0.25 0.11 49.85 10:10:30 0 56.57 0.00 0.52 0.16 0.10 42.65 10:10:30 1 62.00 0.00 0.61 0.39 0.11 36.89 10:10:30 2 34.43 0.00 0.48 0.28 0.07 64.74 10:10:30 3 43.96 0.00 0.65 0.17 0.15 55.08 Average: all 50.81 0.00 0.78 0.21 0.11 48.09 Average: 0 54.16 0.00 0.64 0.16 0.10 44.93 Average: 1 59.43 0.00 0.91 0.32 0.11 39.23 Average: 2 40.83 0.00 0.76 0.24 0.09 58.09 Average: 3 48.82 0.00 0.81 0.13 0.13 50.11