---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2925 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 654 10227 4 5107 14990 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:0a:8e:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84682sec preferred_lft 84682sec inet6 fe80::f816:3eff:fe0a:8ea1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:63:8a:cf:73:5e 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2925) 09/07/26 _x86_64_ (4 CPU) 11:55:37 LINUX RESTART (4 CPU) 12:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:01 5.03 0.29 4.54 0.20 28.38 1002.74 21.37 12:20:01 7.86 0.52 6.94 0.40 19.89 1543.09 845.20 Average: 6.45 0.40 5.74 0.30 24.14 1272.87 433.22 12:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:01 8644296 11797004 4164964 25.44 113492 3196972 4339696 24.91 490732 6884444 1120 12:20:01 10065132 13662372 2296488 14.03 131212 3595236 2518184 14.45 552612 5353600 27964 Average: 9354714 12729688 3230726 19.73 122352 3396104 3428940 19.68 521672 6119022 14542 12:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:01 lo 0.67 0.67 0.38 0.38 0.00 0.00 0.00 0.00 12:10:01 ens3 15.74 13.37 90.34 2.87 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 106.49 106.49 100.73 100.73 0.00 0.00 0.00 0.00 12:20:01 ens3 46.28 37.50 466.06 4.04 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 53.57 53.57 50.55 50.55 0.00 0.00 0.00 0.00 Average: ens3 31.01 25.43 278.17 3.46 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2925) 09/07/26 _x86_64_ (4 CPU) 11:55:37 LINUX RESTART (4 CPU) 12:00:01 CPU %user %nice %system %iowait %steal %idle 12:10:01 all 51.29 0.00 0.98 0.03 0.03 47.67 12:10:01 0 47.72 0.00 1.11 0.02 0.03 51.12 12:10:01 1 52.88 0.00 1.10 0.02 0.04 45.96 12:10:01 2 53.12 0.00 0.86 0.02 0.03 45.97 12:10:01 3 51.44 0.00 0.86 0.05 0.03 47.62 12:20:01 all 43.56 0.00 0.98 0.04 0.03 55.40 12:20:01 0 36.43 0.00 0.99 0.01 0.02 62.55 12:20:01 1 59.67 0.00 0.98 0.05 0.04 39.27 12:20:01 2 34.30 0.00 1.03 0.04 0.02 64.61 12:20:01 3 43.85 0.00 0.91 0.06 0.03 55.16 Average: all 47.42 0.00 0.98 0.03 0.03 51.54 Average: 0 42.07 0.00 1.05 0.01 0.02 56.84 Average: 1 56.28 0.00 1.04 0.03 0.04 42.61 Average: 2 43.71 0.00 0.94 0.03 0.03 55.29 Average: 3 47.65 0.00 0.88 0.05 0.03 51.38