---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14618 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 12G 66G 16% / 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 656 8967 4 6366 14990 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:a3:4a:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84333sec preferred_lft 84333sec inet6 fe80::f816:3eff:fea3:4ab6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:ae:66:7c:77:00 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-14618) 12/17/25 _x86_64_ (4 CPU) 16:09:15 LINUX RESTART (4 CPU) 16:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:00 63.26 4.76 42.78 15.72 273.31 6016.55 247724.91 16:30:00 27.82 0.01 24.77 3.03 0.23 2331.48 14303.72 16:40:00 24.30 0.12 21.54 2.64 6.27 8959.65 33268.81 Average: 38.46 1.63 29.70 7.13 93.27 5769.23 98432.48 16:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:00 10065348 13327244 2632356 16.08 131012 3273152 2666004 15.30 633940 5299692 19072 16:30:00 8331116 12210348 3745188 22.87 150920 3826612 3759716 21.58 785496 6834404 207516 16:40:00 9187240 15344836 602820 3.68 173412 6007408 1097248 6.30 1614548 5057280 4 Average: 9194568 13627476 2326788 14.21 151781 4369057 2507656 14.39 1011328 5730459 75531 16:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:00 lo 1116.85 1116.85 1057.78 1057.78 0.00 0.00 0.00 0.00 16:20:00 ens3 134.23 100.73 1066.34 20.66 0.00 0.00 0.00 0.00 16:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:00 lo 1182.57 1182.57 1125.83 1125.83 0.00 0.00 0.00 0.00 16:30:00 ens3 43.65 33.88 24.79 12.15 0.00 0.00 0.00 0.00 16:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:00 lo 604.93 604.93 4995.78 4995.78 0.00 0.00 0.00 0.00 16:40:00 ens3 68.18 62.42 116.26 415.18 0.00 0.00 0.00 0.00 16:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 968.12 968.12 2393.13 2393.13 0.00 0.00 0.00 0.00 Average: ens3 82.02 65.68 402.46 149.33 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-14618) 12/17/25 _x86_64_ (4 CPU) 16:09:15 LINUX RESTART (4 CPU) 16:10:00 CPU %user %nice %system %iowait %steal %idle 16:20:00 all 47.30 0.00 2.10 0.35 0.08 50.18 16:20:00 0 49.76 0.00 2.05 0.91 0.07 47.20 16:20:00 1 47.85 0.00 2.11 0.18 0.07 49.78 16:20:00 2 46.43 0.00 2.10 0.14 0.08 51.25 16:20:00 3 45.15 0.00 2.11 0.18 0.08 52.48 16:30:00 all 65.52 0.00 2.40 0.09 0.09 31.90 16:30:00 0 65.84 0.00 2.38 0.10 0.09 31.59 16:30:00 1 65.35 0.00 2.48 0.09 0.09 31.99 16:30:00 2 65.37 0.00 2.40 0.09 0.09 32.05 16:30:00 3 65.54 0.00 2.36 0.07 0.09 31.95 16:40:00 all 41.75 0.00 1.68 0.24 0.07 56.26 16:40:00 0 41.86 0.00 2.10 0.37 0.08 55.60 16:40:00 1 41.11 0.00 1.77 0.44 0.07 56.60 16:40:00 2 41.38 0.00 1.30 0.06 0.07 57.20 16:40:00 3 42.66 0.00 1.56 0.08 0.07 55.63 Average: all 51.52 0.00 2.06 0.23 0.08 46.12 Average: 0 52.48 0.00 2.18 0.46 0.08 44.80 Average: 1 51.42 0.00 2.12 0.24 0.08 46.14 Average: 2 51.06 0.00 1.94 0.09 0.08 46.84 Average: 3 51.11 0.00 2.01 0.11 0.08 46.69