---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7200 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 15% / 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 648 10081 4 5259 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:87:96:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84918sec preferred_lft 84918sec inet6 fe80::f816:3eff:fe87:9625/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:05:13:2c:50:96 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-7200) 09/11/26 _x86_64_ (4 CPU) 10:47:44 LINUX RESTART (4 CPU) 10:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:02 26.29 2.25 10.15 13.89 159.73 3310.35 255048.95 11:10:02 20.49 0.52 18.38 1.59 19.96 2594.55 7072.43 Average: 23.39 1.38 14.26 7.74 89.85 2952.45 131060.69 10:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:02 8925032 12290612 3669732 22.41 119104 3397760 3932480 22.57 521348 6572040 184 11:10:02 9282300 13581388 2373988 14.50 141788 4260992 2559116 14.69 737848 5944828 391908 Average: 9103666 12936000 3021860 18.46 130446 3829376 3245798 18.63 629598 6258434 196046 10:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:02 lo 0.73 0.73 0.39 0.39 0.00 0.00 0.00 0.00 11:00:02 ens3 93.41 59.86 826.38 8.03 0.00 0.00 0.00 0.00 11:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:02 lo 519.06 519.06 494.56 494.56 0.00 0.00 0.00 0.00 11:10:02 ens3 71.85 56.28 557.92 8.87 0.00 0.00 0.00 0.00 11:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 259.89 259.89 247.48 247.48 0.00 0.00 0.00 0.00 Average: ens3 82.63 58.07 692.15 8.45 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-7200) 09/11/26 _x86_64_ (4 CPU) 10:47:44 LINUX RESTART (4 CPU) 10:50:02 CPU %user %nice %system %iowait %steal %idle 11:00:02 all 51.15 0.00 1.34 0.12 0.03 47.36 11:00:02 0 46.07 0.00 1.33 0.13 0.03 52.44 11:00:02 1 50.87 0.00 1.18 0.12 0.03 47.80 11:00:02 2 53.88 0.00 1.51 0.13 0.03 44.45 11:00:02 3 53.81 0.00 1.33 0.08 0.03 44.75 11:10:02 all 58.45 0.00 1.62 0.06 0.03 39.83 11:10:02 0 53.91 0.00 1.85 0.07 0.03 44.13 11:10:02 1 51.11 0.00 1.37 0.03 0.03 47.45 11:10:02 2 59.13 0.00 1.89 0.09 0.03 38.86 11:10:02 3 69.68 0.00 1.38 0.06 0.04 28.84 Average: all 54.80 0.00 1.48 0.09 0.03 43.60 Average: 0 49.99 0.00 1.59 0.10 0.03 48.29 Average: 1 50.99 0.00 1.28 0.08 0.03 47.62 Average: 2 56.50 0.00 1.70 0.11 0.03 41.66 Average: 3 61.74 0.00 1.35 0.07 0.03 36.80