---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-61692 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 633 9994 4 5361 15012 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:a5:b9:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84867sec preferred_lft 84867sec inet6 fe80::f816:3eff:fea5:b982/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:9a:38:7a:8d:4c 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61692) 10/03/26 _x86_64_ (4 CPU) 20:07:26 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:37 12.02 1.62 9.70 0.71 286.15 2911.82 22705.21 20:30:27 17.19 0.53 15.36 1.29 20.44 2303.85 6126.27 Average: 14.51 1.10 12.42 0.99 158.37 2619.45 14732.63 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:37 7744552 11225300 4734716 28.92 122200 3508484 4993376 28.66 576736 7687716 460 20:30:27 9668716 13634108 2322048 14.18 142164 3942876 2540368 14.58 764252 5526688 20664 Average: 8706634 12429704 3528382 21.55 132182 3725680 3766872 21.62 670494 6607202 10562 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:37 lo 0.67 0.67 0.37 0.37 0.00 0.00 0.00 0.00 20:20:37 ens3 128.74 86.14 509.39 8.98 0.00 0.00 0.00 0.00 20:20:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:27 lo 457.69 457.69 436.37 436.37 0.00 0.00 0.00 0.00 20:30:27 ens3 53.53 40.51 474.66 4.76 0.00 0.00 0.00 0.00 20:30:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 220.45 220.45 210.03 210.03 0.00 0.00 0.00 0.00 Average: ens3 92.57 64.20 492.69 6.95 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61692) 10/03/26 _x86_64_ (4 CPU) 20:07:26 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:37 all 51.29 0.00 1.07 0.13 0.04 47.46 20:20:37 0 45.47 0.00 1.04 0.07 0.03 53.40 20:20:37 1 56.47 0.00 0.88 0.05 0.05 42.55 20:20:37 2 49.55 0.00 1.06 0.13 0.03 49.23 20:20:37 3 53.70 0.00 1.32 0.28 0.05 44.65 20:30:27 all 56.02 0.00 1.44 0.08 0.05 42.41 20:30:27 0 48.15 0.00 1.49 0.12 0.04 50.21 20:30:27 1 53.70 0.00 1.36 0.08 0.05 44.82 20:30:27 2 75.86 0.00 1.64 0.05 0.08 22.37 20:30:27 3 46.40 0.00 1.28 0.06 0.03 52.22 Average: all 53.56 0.00 1.25 0.10 0.05 45.04 Average: 0 46.76 0.00 1.25 0.09 0.03 51.87 Average: 1 55.14 0.00 1.11 0.07 0.05 43.64 Average: 2 62.19 0.00 1.34 0.09 0.06 36.33 Average: 3 50.19 0.00 1.30 0.18 0.04 48.29