---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15275 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 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 714 9749 4 5525 14932 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:ab:45:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84425sec preferred_lft 84425sec inet6 fe80::f816:3eff:feab:4568/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:23:f8:0c:0c:bf 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-15275) 12/20/25 _x86_64_ (4 CPU) 06:28:30 LINUX RESTART (4 CPU) 06:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:18 24.61 3.34 19.96 1.31 370.53 5039.15 2424.38 06:50:19 36.67 0.05 32.60 4.02 1.21 3510.58 14344.22 07:00:16 31.72 0.12 15.88 15.72 5.95 5668.78 239983.15 Average: 30.99 1.18 22.82 6.99 126.64 4738.33 85111.89 06:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:18 9115508 12820396 3136308 19.16 148444 3655680 3348560 19.22 740700 6095452 221192 06:50:19 8508928 12798132 3154332 19.27 179952 4160168 3274368 18.79 910040 6493488 194280 07:00:16 10166244 15460520 485848 2.97 200372 5084632 993100 5.70 977692 4671584 48 Average: 9263560 13693016 2258829 13.80 176256 4300160 2538676 14.57 876144 5753508 138507 06:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:18 lo 364.40 364.40 346.58 346.58 0.00 0.00 0.00 0.00 06:40:18 ens3 84.77 67.47 806.19 15.39 0.00 0.00 0.00 0.00 06:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:19 lo 1750.61 1750.61 1667.97 1667.97 0.00 0.00 0.00 0.00 06:50:19 ens3 50.99 39.44 128.43 12.29 0.00 0.00 0.00 0.00 06:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:16 lo 12.01 12.01 2.74 2.74 0.00 0.00 0.00 0.00 07:00:16 ens3 72.25 68.65 123.49 212.54 0.00 0.00 0.00 0.00 07:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 709.63 709.63 673.04 673.04 0.00 0.00 0.00 0.00 Average: ens3 69.36 58.52 354.09 79.68 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-15275) 12/20/25 _x86_64_ (4 CPU) 06:28:30 LINUX RESTART (4 CPU) 06:30:13 CPU %user %nice %system %iowait %steal %idle 06:40:18 all 42.46 0.00 1.43 0.15 0.07 55.89 06:40:18 0 43.57 0.00 1.45 0.26 0.07 54.64 06:40:18 1 40.62 0.00 1.38 0.08 0.07 57.85 06:40:18 2 42.46 0.00 1.46 0.16 0.07 55.84 06:40:18 3 43.17 0.00 1.44 0.09 0.08 55.22 06:50:19 all 63.39 0.00 2.67 0.11 0.10 33.73 06:50:19 0 63.72 0.00 2.82 0.16 0.10 33.20 06:50:19 1 64.90 0.00 2.82 0.09 0.10 32.08 06:50:19 2 62.39 0.00 2.51 0.10 0.10 34.91 06:50:19 3 62.55 0.00 2.54 0.07 0.10 34.74 07:00:16 all 44.44 0.00 1.46 0.11 0.08 53.90 07:00:16 0 43.79 0.00 1.61 0.09 0.08 54.42 07:00:16 1 47.99 0.00 1.40 0.10 0.08 50.43 07:00:16 2 39.49 0.00 1.15 0.07 0.08 59.21 07:00:16 3 46.49 0.00 1.68 0.19 0.08 51.57 Average: all 50.08 0.00 1.85 0.12 0.08 47.86 Average: 0 50.35 0.00 1.96 0.17 0.08 47.43 Average: 1 51.14 0.00 1.86 0.09 0.09 46.82 Average: 2 48.11 0.00 1.71 0.11 0.08 49.99 Average: 3 50.72 0.00 1.88 0.12 0.08 47.20