---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3167 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 618 10578 4 4792 15027 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:64:de:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84794sec preferred_lft 84794sec inet6 fe80::f816:3eff:fe64:deb5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:2a:a2:01:7e:27 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-3167) 03/18/26 _x86_64_ (4 CPU) 10:14:20 LINUX RESTART (4 CPU) 10:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:25 3.59 0.07 3.36 0.16 6.88 607.45 41.59 10:40:05 20.22 0.53 18.14 1.55 19.84 2513.98 11429.79 Average: 11.64 0.29 10.51 0.83 13.15 1529.95 5551.95 10:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:25 9615692 12628484 3335172 20.37 113508 3061308 3536400 20.30 500480 5922944 280 10:40:05 9548152 13532016 2426620 14.82 134416 3966844 2549188 14.63 733504 5681296 518020 Average: 9581922 13080250 2880896 17.60 123962 3514076 3042794 17.47 616992 5802120 259150 10:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:25 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 10:30:25 ens3 9.71 7.76 35.11 2.14 0.00 0.00 0.00 0.00 10:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:05 lo 487.85 487.85 464.87 464.87 0.00 0.00 0.00 0.00 10:40:05 ens3 49.12 37.20 498.94 6.07 0.00 0.00 0.00 0.00 10:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 236.36 236.36 225.12 225.12 0.00 0.00 0.00 0.00 Average: ens3 28.78 22.01 259.54 4.04 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-3167) 03/18/26 _x86_64_ (4 CPU) 10:14:20 LINUX RESTART (4 CPU) 10:20:06 CPU %user %nice %system %iowait %steal %idle 10:30:25 all 49.30 0.00 0.71 0.01 0.09 49.90 10:30:25 0 43.74 0.00 0.64 0.02 0.09 55.50 10:30:25 1 41.94 0.00 0.65 0.01 0.08 57.31 10:30:25 2 63.16 0.00 0.63 0.00 0.09 36.12 10:30:25 3 48.36 0.00 0.91 0.01 0.08 50.64 10:40:05 all 58.04 0.00 1.40 0.05 0.08 40.42 10:40:05 0 47.76 0.00 1.26 0.06 0.09 50.83 10:40:05 1 49.62 0.00 1.51 0.03 0.08 48.76 10:40:05 2 71.87 0.00 1.49 0.03 0.09 26.53 10:40:05 3 62.96 0.00 1.34 0.08 0.08 35.55 Average: all 53.53 0.00 1.04 0.03 0.08 45.31 Average: 0 45.68 0.00 0.94 0.04 0.09 53.25 Average: 1 45.66 0.00 1.07 0.02 0.08 53.17 Average: 2 67.37 0.00 1.05 0.01 0.09 31.48 Average: 3 55.42 0.00 1.12 0.04 0.08 43.34