---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22396 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 10572 4 4788 15019 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:ed:58:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84604sec preferred_lft 84604sec inet6 fe80::f816:3eff:feed:587f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:37:f3:80:1c:d9 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-22396) 03/24/26 _x86_64_ (4 CPU) 21:55:28 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:05 8.45 2.06 6.20 0.19 130.05 1834.79 23.19 22:20:05 3.20 0.03 3.10 0.08 0.93 335.58 378.95 Average: 5.83 1.04 4.65 0.13 65.72 1087.86 200.44 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:05 9809204 12765216 3198816 19.54 111928 3010736 3417616 19.62 485904 5741404 2740 22:20:05 10620832 13689748 2273592 13.89 115868 3110056 2400816 13.78 511312 4883900 24812 Average: 10215018 13227482 2736204 16.71 113898 3060396 2909216 16.70 498608 5312652 13776 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:05 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 22:10:05 ens3 53.23 38.79 460.56 5.27 0.00 0.00 0.00 0.00 22:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:05 lo 0.49 0.49 0.36 0.36 0.00 0.00 0.00 0.00 22:20:05 ens3 3.80 2.95 2.07 0.86 0.00 0.00 0.00 0.00 22:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.42 0.42 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 28.60 20.93 232.13 3.07 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-22396) 03/24/26 _x86_64_ (4 CPU) 21:55:28 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:05 all 47.47 0.00 0.84 0.06 0.07 51.56 22:10:05 0 43.25 0.00 0.85 0.03 0.07 55.79 22:10:05 1 46.51 0.00 0.63 0.03 0.07 52.75 22:10:05 2 52.54 0.00 0.93 0.05 0.07 46.40 22:10:05 3 47.56 0.00 0.96 0.11 0.07 51.31 22:20:05 all 44.97 0.00 0.42 0.02 0.08 54.51 22:20:05 0 32.19 0.00 0.42 0.02 0.07 67.30 22:20:05 1 34.78 0.00 0.43 0.03 0.08 64.68 22:20:05 2 82.38 0.00 0.51 0.00 0.08 17.02 22:20:05 3 30.59 0.00 0.33 0.01 0.07 69.00 Average: all 46.22 0.00 0.63 0.04 0.07 53.03 Average: 0 37.74 0.00 0.63 0.03 0.07 61.53 Average: 1 40.65 0.00 0.53 0.03 0.08 58.71 Average: 2 67.41 0.00 0.72 0.03 0.08 31.77 Average: 3 39.09 0.00 0.65 0.06 0.07 60.14