---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3120 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 641 10441 4 4907 15005 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:1e:c4:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84753sec preferred_lft 84753sec inet6 fe80::f816:3eff:fe1e:c49e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:c4:93:bd:b2:62 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-3120) 04/16/26 _x86_64_ (4 CPU) 00:27:18 LINUX RESTART (4 CPU) 00:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:00 8.21 0.75 6.97 0.49 43.18 1338.34 201.72 00:50:02 6.20 0.40 5.52 0.28 13.22 721.59 662.45 Average: 7.19 0.57 6.24 0.38 28.05 1026.79 434.45 00:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:00 9006408 12090672 3871268 23.64 115140 3132096 4010236 23.02 528808 6492260 6884 00:50:02 9111624 12883872 3074332 18.78 132664 3764024 3205412 18.40 628608 6242724 493496 Average: 9059016 12487272 3472800 21.21 123902 3448060 3607824 20.71 578708 6367492 250190 00:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:00 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 00:40:00 ens3 26.19 19.07 204.54 4.17 0.00 0.00 0.00 0.00 00:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:02 lo 108.29 108.29 102.94 102.94 0.00 0.00 0.00 0.00 00:50:02 ens3 41.28 27.37 407.86 4.11 0.00 0.00 0.00 0.00 00:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 55.04 55.04 52.20 52.20 0.00 0.00 0.00 0.00 Average: ens3 33.81 23.27 307.24 4.14 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-3120) 04/16/26 _x86_64_ (4 CPU) 00:27:18 LINUX RESTART (4 CPU) 00:30:09 CPU %user %nice %system %iowait %steal %idle 00:40:00 all 50.80 0.00 0.96 0.04 0.08 48.11 00:40:00 0 55.03 0.00 0.71 0.01 0.08 44.18 00:40:00 1 43.78 0.00 0.96 0.08 0.08 55.10 00:40:00 2 56.44 0.00 1.09 0.02 0.09 42.37 00:40:00 3 47.98 0.00 1.10 0.06 0.07 50.79 00:50:02 all 52.99 0.00 0.74 0.02 0.08 46.17 00:50:02 0 66.57 0.00 0.74 0.00 0.08 32.61 00:50:02 1 41.85 0.00 0.78 0.04 0.09 57.24 00:50:02 2 51.27 0.00 0.68 0.02 0.07 47.96 00:50:02 3 52.25 0.00 0.78 0.03 0.08 46.87 Average: all 51.90 0.00 0.85 0.03 0.08 47.13 Average: 0 60.86 0.00 0.72 0.01 0.08 38.33 Average: 1 42.81 0.00 0.87 0.06 0.08 56.18 Average: 2 53.83 0.00 0.88 0.02 0.08 45.19 Average: 3 50.13 0.00 0.94 0.05 0.08 48.81