---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12680 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 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 651 9807 4 5530 14995 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:d7:ca:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84348sec preferred_lft 84348sec inet6 fe80::f816:3eff:fed7:caf1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:61:7e:bb:04:db 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-12680) 12/11/25 _x86_64_ (4 CPU) 15:16:25 LINUX RESTART (4 CPU) 15:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:01 67.67 3.15 55.16 9.36 771.18 4772.74 198722.54 15:40:03 13.17 0.15 11.22 1.80 4.94 1438.20 17796.51 15:50:14 32.32 0.30 27.69 4.32 16.48 5763.62 11147.06 Average: 37.43 1.18 31.13 5.12 258.61 3993.02 74512.99 15:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:01 9415548 12918896 3040572 18.57 152616 3491784 3458260 19.85 838900 5743428 9772 15:40:03 9240284 13195340 2760700 16.86 172056 3890520 3308152 18.99 937488 5788040 87736 15:50:14 10073344 15380696 567616 3.47 193164 5155372 1099696 6.31 1509552 4297204 11288 Average: 9576392 13831644 2122963 12.97 172612 4179225 2622036 15.05 1095313 5276224 36265 15:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:01 lo 17.06 17.06 3.71 3.71 0.00 0.00 0.00 0.00 15:30:01 ens3 73.28 56.43 781.58 9.88 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:03 lo 505.99 505.99 448.20 448.20 0.00 0.00 0.00 0.00 15:40:03 ens3 27.99 19.32 218.43 3.97 0.00 0.00 0.00 0.00 15:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:14 lo 1723.23 1723.23 1661.52 1661.52 0.00 0.00 0.00 0.00 15:50:14 ens3 91.86 90.71 255.87 625.08 0.00 0.00 0.00 0.00 15:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 759.72 759.72 715.09 715.09 0.00 0.00 0.00 0.00 Average: ens3 64.42 55.64 414.70 216.68 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-12680) 12/11/25 _x86_64_ (4 CPU) 15:16:25 LINUX RESTART (4 CPU) 15:20:15 CPU %user %nice %system %iowait %steal %idle 15:30:01 all 35.11 0.00 1.44 0.69 0.09 62.68 15:30:01 0 33.81 0.00 1.04 0.35 0.09 64.72 15:30:01 1 36.08 0.00 1.21 0.32 0.09 62.29 15:30:01 2 35.42 0.00 1.58 1.11 0.09 61.79 15:30:01 3 35.13 0.00 1.91 0.97 0.09 61.90 15:40:03 all 22.08 0.00 1.09 0.09 0.09 76.64 15:40:03 0 22.85 0.00 1.12 0.05 0.09 75.89 15:40:03 1 22.24 0.00 0.96 0.16 0.09 76.54 15:40:03 2 21.88 0.00 1.13 0.08 0.09 76.81 15:40:03 3 21.36 0.00 1.15 0.07 0.09 77.33 15:50:14 all 46.53 0.00 2.26 0.36 0.08 50.77 15:50:14 0 45.40 0.00 2.40 0.47 0.09 51.65 15:50:14 1 45.48 0.00 2.31 0.21 0.08 51.92 15:50:14 2 46.67 0.00 1.99 0.27 0.08 50.99 15:50:14 3 48.56 0.00 2.33 0.50 0.09 48.52 Average: all 34.62 0.00 1.60 0.38 0.09 63.31 Average: 0 34.07 0.00 1.53 0.29 0.09 64.03 Average: 1 34.64 0.00 1.50 0.23 0.09 63.54 Average: 2 34.71 0.00 1.57 0.48 0.09 63.15 Average: 3 35.07 0.00 1.80 0.51 0.09 62.53