---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37451 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 627 10471 4 4889 15018 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:0b:9e:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84724sec preferred_lft 84724sec inet6 fe80::f816:3eff:fe0b:9e8e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:e2:65:bc:1c:99 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-37451) 03/25/26 _x86_64_ (4 CPU) 09:44:16 LINUX RESTART (4 CPU) 09:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:20 3.80 0.07 3.56 0.18 6.87 608.81 33.19 10:10:35 18.66 0.50 16.64 1.51 18.54 2238.81 12283.64 Average: 11.20 0.29 10.08 0.84 12.68 1420.67 6134.83 09:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:20 9820832 12933612 3028316 18.50 116352 3156608 3161804 18.15 536136 5674036 1304 10:10:35 10037200 13570272 2387808 14.58 136452 3529948 2494876 14.32 708800 5233360 13640 Average: 9929016 13251942 2708062 16.54 126402 3343278 2828340 16.23 622468 5453698 7472 09:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:20 lo 0.62 0.62 0.37 0.37 0.00 0.00 0.00 0.00 10:00:20 ens3 9.48 7.81 35.25 2.49 0.00 0.00 0.00 0.00 10:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:35 lo 546.15 546.15 520.61 520.61 0.00 0.00 0.00 0.00 10:10:35 ens3 35.89 26.79 398.50 3.72 0.00 0.00 0.00 0.00 10:10:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 272.33 272.33 259.49 259.49 0.00 0.00 0.00 0.00 Average: ens3 22.63 17.27 216.17 3.11 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-37451) 03/25/26 _x86_64_ (4 CPU) 09:44:16 LINUX RESTART (4 CPU) 09:50:01 CPU %user %nice %system %iowait %steal %idle 10:00:20 all 51.14 0.00 0.75 0.02 0.10 47.99 10:00:20 0 49.85 0.00 0.82 0.03 0.10 49.19 10:00:20 1 43.90 0.00 0.85 0.05 0.10 55.11 10:00:20 2 54.76 0.00 0.71 0.00 0.10 44.43 10:00:20 3 56.05 0.00 0.61 0.01 0.10 43.22 10:10:35 all 57.08 0.00 1.29 0.06 0.11 41.46 10:10:35 0 75.52 0.00 1.32 0.07 0.13 22.96 10:10:35 1 49.57 0.00 1.33 0.06 0.11 48.94 10:10:35 2 48.45 0.00 1.34 0.07 0.10 50.03 10:10:35 3 54.80 0.00 1.16 0.04 0.11 43.89 Average: all 54.10 0.00 1.02 0.04 0.11 44.74 Average: 0 62.62 0.00 1.07 0.05 0.12 36.14 Average: 1 46.72 0.00 1.09 0.05 0.10 52.04 Average: 2 51.62 0.00 1.02 0.04 0.10 47.22 Average: 3 55.43 0.00 0.89 0.02 0.10 43.56