---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17565 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 9.3G 69G 12% / 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 630 11707 4 3651 15016 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:ad:0e:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84048sec preferred_lft 84048sec inet6 fe80::f816:3eff:fead:eab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:e9:12:ba:ac:36 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-17565) 12/31/25 _x86_64_ (4 CPU) 00:37:46 LINUX RESTART (4 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 16.07 0.42 3.31 12.35 404.24 399.73 247949.17 01:00:05 1.29 0.01 1.29 0.00 0.04 15.28 0.00 01:10:05 57.16 4.67 51.59 0.91 271.84 4515.29 5356.91 Average: 24.84 1.70 18.73 4.42 225.38 1643.44 84440.87 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 13574056 15514116 501884 3.07 57060 2108464 1158828 6.65 335580 2207648 172 01:00:05 13573332 15513828 502068 3.07 57480 2108472 1158828 6.65 336000 2208052 192 01:10:05 10520988 13768388 2192860 13.39 113012 3282080 2534284 14.55 750556 4746840 9428 Average: 12556125 14932111 1065604 6.51 75851 2499672 1617313 9.28 474045 3054180 3264 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 00:50:05 ens3 14.61 9.30 128.07 0.75 0.00 0.00 0.00 0.00 00:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 01:00:05 ens3 0.44 0.09 0.06 0.02 0.00 0.00 0.00 0.00 01:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:05 lo 0.47 0.47 0.06 0.06 0.00 0.00 0.00 0.00 01:10:05 ens3 85.24 65.57 743.34 14.45 0.00 0.00 0.00 0.00 01:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.23 0.23 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 33.43 24.99 290.49 5.07 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-17565) 12/31/25 _x86_64_ (4 CPU) 00:37:46 LINUX RESTART (4 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 0.42 0.00 0.10 0.16 0.02 99.30 00:50:05 0 0.58 0.00 0.10 0.14 0.03 99.15 00:50:05 1 0.18 0.00 0.09 0.12 0.03 99.59 00:50:05 2 0.52 0.00 0.09 0.25 0.02 99.12 00:50:05 3 0.41 0.00 0.13 0.13 0.02 99.32 01:00:05 all 0.22 0.00 0.02 0.01 0.02 99.73 01:00:05 0 0.07 0.00 0.03 0.02 0.01 99.87 01:00:05 1 0.30 0.00 0.02 0.00 0.02 99.65 01:00:05 2 0.48 0.00 0.03 0.00 0.01 99.48 01:00:05 3 0.03 0.00 0.02 0.03 0.02 99.91 01:10:05 all 17.99 0.00 0.84 0.31 0.04 80.82 01:10:05 0 17.35 0.00 0.68 0.10 0.04 81.83 01:10:05 1 16.29 0.00 1.13 0.31 0.05 82.23 01:10:05 2 18.11 0.00 0.57 0.07 0.05 81.20 01:10:05 3 20.20 0.00 0.98 0.77 0.04 78.02 Average: all 6.20 0.00 0.32 0.16 0.03 93.29 Average: 0 6.00 0.00 0.27 0.08 0.03 93.62 Average: 1 5.57 0.00 0.41 0.14 0.03 93.84 Average: 2 6.36 0.00 0.23 0.11 0.03 93.27 Average: 3 6.87 0.00 0.38 0.31 0.02 92.42