---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2025 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 68G 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 666 10232 4 5089 14979 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:80:c1:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84757sec preferred_lft 84757sec inet6 fe80::f816:3eff:fe80:c180/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:7a:6c:91:47:b8 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-2025) 01/19/26 _x86_64_ (4 CPU) 17:03:19 LINUX RESTART (4 CPU) 17:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:08 12.25 0.48 10.64 1.13 15.93 2673.24 2718.94 17:30:00 43.04 0.65 24.06 18.33 27.71 3845.39 245378.15 Average: 27.54 0.56 17.30 9.67 21.78 3255.15 123186.12 17:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:08 9295308 13188084 2766784 16.90 149332 3840236 3018188 17.32 871896 5793692 24148 17:30:00 10570044 15424068 524076 3.20 173716 4715224 1058928 6.08 1140236 4180456 12548 Average: 9932676 14306076 1645430 10.05 161524 4277730 2038558 11.70 1006066 4987074 18348 17:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:08 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 17:20:08 ens3 66.80 53.57 140.06 17.57 0.00 0.00 0.00 0.00 17:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:00 lo 1589.14 1589.14 1504.13 1504.13 0.00 0.00 0.00 0.00 17:30:00 ens3 124.04 110.52 424.06 202.62 0.00 0.00 0.00 0.00 17:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 789.66 789.66 746.79 746.79 0.00 0.00 0.00 0.00 Average: ens3 95.22 81.84 281.05 109.44 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-2025) 01/19/26 _x86_64_ (4 CPU) 17:03:19 LINUX RESTART (4 CPU) 17:10:08 CPU %user %nice %system %iowait %steal %idle 17:20:08 all 73.65 0.00 2.27 0.03 0.10 23.95 17:20:08 0 74.25 0.00 2.01 0.02 0.10 23.62 17:20:08 1 73.32 0.00 2.29 0.05 0.10 24.25 17:20:08 2 75.00 0.00 2.69 0.03 0.10 22.18 17:20:08 3 72.04 0.00 2.09 0.03 0.10 25.74 17:30:00 all 47.56 0.00 2.15 0.09 0.08 50.13 17:30:00 0 41.79 0.00 1.64 0.03 0.08 56.46 17:30:00 1 52.30 0.00 2.15 0.19 0.08 45.27 17:30:00 2 47.45 0.00 2.16 0.08 0.07 50.23 17:30:00 3 48.71 0.00 2.63 0.06 0.07 48.53 Average: all 60.70 0.00 2.21 0.06 0.09 36.94 Average: 0 58.13 0.00 1.83 0.02 0.09 39.93 Average: 1 62.89 0.00 2.22 0.12 0.09 34.68 Average: 2 61.33 0.00 2.42 0.06 0.09 36.10 Average: 3 60.46 0.00 2.36 0.04 0.09 37.05