---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3843 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: 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 68G 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 686 10569 4 4733 14960 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:c2:92:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84828sec preferred_lft 84828sec inet6 fe80::f816:3eff:fec2:9248/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:81:2f:8e:4c:c9 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-3843) 12/05/25 _x86_64_ (4 CPU) 07:36:24 LINUX RESTART (4 CPU) 07:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:01 5.56 0.32 4.95 0.29 220.02 886.19 207.95 08:00:17 15.45 0.52 13.84 1.09 18.92 1998.39 3509.86 Average: 10.63 0.42 9.50 0.70 117.04 1455.71 1898.74 07:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:01 8594608 11510940 4453044 27.20 109200 2979172 4594836 26.37 537032 6912368 232 08:00:17 9211604 12837156 3122684 19.07 132536 3626580 3257092 18.70 753140 6035600 267384 Average: 8903106 12174048 3787864 23.13 120868 3302876 3925964 22.53 645086 6473984 133808 07:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:01 lo 0.62 0.62 0.39 0.39 0.00 0.00 0.00 0.00 07:50:01 ens3 11.07 8.12 97.50 2.29 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:17 lo 392.08 392.08 372.42 372.42 0.00 0.00 0.00 0.00 08:00:17 ens3 35.67 25.15 395.13 3.57 0.00 0.00 0.00 0.00 08:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 201.07 201.07 190.89 190.89 0.00 0.00 0.00 0.00 Average: ens3 23.67 16.84 249.91 2.95 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-3843) 12/05/25 _x86_64_ (4 CPU) 07:36:24 LINUX RESTART (4 CPU) 07:40:14 CPU %user %nice %system %iowait %steal %idle 07:50:01 all 46.85 0.00 0.74 0.05 0.07 52.28 07:50:01 0 46.48 0.00 0.79 0.04 0.07 52.63 07:50:01 1 57.09 0.00 0.84 0.04 0.07 41.96 07:50:01 2 45.50 0.00 0.69 0.02 0.07 53.72 07:50:01 3 38.35 0.00 0.66 0.10 0.07 60.82 08:00:17 all 56.14 0.00 1.15 0.07 0.08 42.56 08:00:17 0 45.81 0.00 1.12 0.06 0.08 52.93 08:00:17 1 65.51 0.00 1.00 0.04 0.08 33.37 08:00:17 2 67.23 0.00 1.15 0.09 0.08 31.46 08:00:17 3 46.05 0.00 1.32 0.09 0.07 52.46 Average: all 51.61 0.00 0.95 0.06 0.08 47.31 Average: 0 46.14 0.00 0.96 0.05 0.08 52.78 Average: 1 61.40 0.00 0.92 0.04 0.08 37.56 Average: 2 56.62 0.00 0.93 0.05 0.08 42.32 Average: 3 42.29 0.00 1.00 0.09 0.07 56.54