---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22401 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 649 10335 4 5005 14997 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:f5:4b:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84482sec preferred_lft 84482sec inet6 fe80::f816:3eff:fef5:4bf8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:5a:73:bb:21:19 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-22401) 03/24/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:04 11.28 2.39 8.51 0.38 522.65 2362.66 4970.07 22:20:16 2.89 0.06 2.76 0.08 6.19 323.15 9.18 Average: 7.06 1.22 5.61 0.23 262.54 1335.47 2471.53 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:04 10673140 13826552 2136296 13.05 114136 3204792 2409096 13.83 618064 4742940 10060 22:20:16 10427588 13681092 2281148 13.93 117824 3292260 2770204 15.90 642568 4961940 18704 Average: 10550364 13753822 2208722 13.49 115980 3248526 2589650 14.86 630316 4852440 14382 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:04 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 22:10:04 ens3 62.66 44.61 677.29 6.02 0.00 0.00 0.00 0.00 22:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:16 lo 0.50 0.50 0.36 0.36 0.00 0.00 0.00 0.00 22:20:16 ens3 5.86 4.40 19.98 0.96 0.00 0.00 0.00 0.00 22:20:16 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 34.05 24.36 346.24 3.47 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-22401) 03/24/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:04 all 47.29 0.00 0.99 0.53 0.24 50.95 22:10:04 0 43.50 0.00 0.81 0.03 0.23 55.43 22:10:04 1 54.07 0.00 1.17 0.20 0.23 44.33 22:10:04 2 46.97 0.00 1.07 0.11 0.20 51.65 22:10:04 3 44.63 0.00 0.93 1.76 0.30 52.38 22:20:16 all 44.22 0.00 0.44 0.21 0.10 55.03 22:20:16 0 34.82 0.00 0.34 0.09 0.07 64.68 22:20:16 1 40.29 0.00 0.39 0.27 0.09 58.95 22:20:16 2 51.52 0.00 0.48 0.20 0.11 47.67 22:20:16 3 50.24 0.00 0.56 0.28 0.11 48.81 Average: all 45.74 0.00 0.72 0.37 0.17 53.01 Average: 0 39.12 0.00 0.57 0.06 0.15 60.10 Average: 1 47.11 0.00 0.78 0.24 0.16 51.71 Average: 2 49.27 0.00 0.77 0.16 0.16 49.65 Average: 3 47.46 0.00 0.74 1.02 0.20 50.58