---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3845 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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: 5600.00 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 598 10376 4 5013 15047 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:f9:2f:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84749sec preferred_lft 84749sec inet6 fe80::f816:3eff:fef9:2f0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:4e:d1:47:57:6f 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-3845) 12/05/25 _x86_64_ (4 CPU) 07:37:38 LINUX RESTART (4 CPU) 07:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:07 12.88 1.89 10.30 0.69 679.08 2694.53 6463.93 08:00:00 3.68 0.20 3.37 0.12 6.37 451.93 19.35 Average: 8.31 1.05 6.85 0.41 344.73 1579.91 3260.82 07:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:07 9274168 12472756 3489204 21.31 113152 3252772 3727328 21.39 668432 6086916 1784 08:00:00 10460100 13793232 2168072 13.24 117716 3372296 2419688 13.89 698588 4860344 11548 Average: 9867134 13132994 2828638 17.28 115434 3312534 3073508 17.64 683510 5473630 6666 07:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:07 lo 0.71 0.71 0.39 0.39 0.00 0.00 0.00 0.00 07:50:07 ens3 35.06 25.41 441.13 3.95 0.00 0.00 0.00 0.00 07:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 lo 0.42 0.42 0.03 0.03 0.00 0.00 0.00 0.00 08:00:00 ens3 5.86 4.85 30.55 1.16 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.57 0.57 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 20.55 15.19 237.06 2.57 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-3845) 12/05/25 _x86_64_ (4 CPU) 07:37:38 LINUX RESTART (4 CPU) 07:40:07 CPU %user %nice %system %iowait %steal %idle 07:50:07 all 52.40 0.00 0.99 0.53 0.11 45.98 07:50:07 0 45.45 0.00 0.77 0.79 0.10 52.89 07:50:07 1 44.48 0.00 0.95 0.40 0.10 54.07 07:50:07 2 52.18 0.00 1.04 0.51 0.11 46.17 07:50:07 3 67.51 0.00 1.18 0.42 0.12 30.76 08:00:00 all 47.36 0.00 0.59 0.08 0.10 51.88 08:00:00 0 48.65 0.00 0.65 0.11 0.10 50.49 08:00:00 1 54.89 0.00 0.57 0.04 0.10 44.41 08:00:00 2 52.07 0.00 0.57 0.09 0.10 47.17 08:00:00 3 33.81 0.00 0.57 0.08 0.08 65.46 Average: all 49.89 0.00 0.79 0.31 0.10 48.91 Average: 0 47.04 0.00 0.71 0.45 0.10 51.70 Average: 1 49.66 0.00 0.76 0.22 0.10 49.26 Average: 2 52.12 0.00 0.80 0.30 0.11 46.67 Average: 3 50.76 0.00 0.88 0.25 0.10 48.01