---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11704 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 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 640 10106 4 5241 15006 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:44:31:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84708sec preferred_lft 84708sec inet6 fe80::f816:3eff:fe44:313b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:ed:61:d3:b8:2b 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-11704) 12/08/25 _x86_64_ (4 CPU) 20:42:56 LINUX RESTART (4 CPU) 20:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:01 13.36 0.02 11.31 2.02 0.62 723.91 54542.10 21:10:01 35.79 0.31 30.86 4.62 9.87 6394.06 28098.51 Average: 24.67 0.17 21.17 3.33 5.29 3584.48 41201.38 20:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:01 9922104 13284404 2675396 16.34 148724 3353316 2897500 16.63 788144 5282576 180 21:10:01 8166776 13197948 2752504 16.81 181828 4902352 2769656 15.90 1418852 6301804 5924 Average: 9044440 13241176 2713950 16.58 165276 4127834 2833578 16.26 1103498 5792190 3052 20:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:01 lo 53.55 53.55 13.27 13.27 0.00 0.00 0.00 0.00 21:00:01 ens3 5.12 3.87 3.55 1.12 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 lo 2288.59 2288.59 2199.21 2199.21 0.00 0.00 0.00 0.00 21:10:01 ens3 53.48 42.03 453.75 8.93 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1181.12 1181.12 1116.08 1116.08 0.00 0.00 0.00 0.00 Average: ens3 29.52 23.12 230.67 5.06 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-11704) 12/08/25 _x86_64_ (4 CPU) 20:42:56 LINUX RESTART (4 CPU) 20:50:11 CPU %user %nice %system %iowait %steal %idle 21:00:01 all 15.87 0.00 0.76 0.09 0.09 83.19 21:00:01 0 16.48 0.00 0.78 0.18 0.09 82.48 21:00:01 1 15.96 0.00 0.74 0.07 0.09 83.14 21:00:01 2 15.67 0.00 0.76 0.04 0.09 83.43 21:00:01 3 15.38 0.00 0.76 0.07 0.09 83.71 21:10:01 all 52.05 0.00 2.63 0.10 0.09 45.13 21:10:01 0 51.18 0.00 2.69 0.08 0.10 45.96 21:10:01 1 50.86 0.00 2.74 0.05 0.09 46.26 21:10:01 2 53.16 0.00 2.52 0.21 0.10 44.01 21:10:01 3 52.99 0.00 2.58 0.05 0.09 44.29 Average: all 34.12 0.00 1.70 0.09 0.09 63.99 Average: 0 33.99 0.00 1.74 0.13 0.09 64.06 Average: 1 33.56 0.00 1.75 0.06 0.09 64.54 Average: 2 34.59 0.00 1.65 0.13 0.09 63.54 Average: 3 34.35 0.00 1.68 0.06 0.09 63.82