---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25741 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 632 10490 4 4865 15013 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:44:6c:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83480sec preferred_lft 83480sec inet6 fe80::f816:3eff:fe44:6cd0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:c8:22:6f:e0:e0 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-25741) 01/12/26 _x86_64_ (4 CPU) 00:00:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:29 5.16 0.45 4.32 0.39 213.40 523.03 8711.87 00:20:01 1.18 0.01 1.17 0.00 0.06 14.07 372.86 00:30:10 39.05 3.99 34.38 0.68 245.46 3340.84 898.92 00:40:01 3.62 0.06 3.42 0.14 6.85 475.44 175.02 Average: 12.51 1.15 11.05 0.31 118.66 1111.25 2567.61 00:00:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:29 13548464 15500848 513708 3.14 58296 2118752 1124848 6.46 283008 2276036 24 00:20:01 13548344 15501072 513544 3.14 58648 2118740 1124928 6.46 283352 2276508 200 00:30:10 11186000 14100560 1862836 11.38 109196 2984052 2165084 12.43 546672 4317308 13028 00:40:01 9325840 12358364 3603992 22.01 113292 3087968 3750156 21.53 574480 6134808 252 Average: 11902162 14365211 1623520 9.92 84858 2577378 2041254 11.72 421878 3751165 3376 00:00:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:29 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 00:10:29 ens3 8.12 3.79 140.95 0.34 0.00 0.00 0.00 0.00 00:10:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:20:01 ens3 0.24 0.09 0.05 0.02 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:10 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 00:30:10 ens3 76.05 58.31 679.01 16.96 0.00 0.00 0.00 0.00 00:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:01 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 00:40:01 ens3 8.01 6.57 40.35 2.72 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.31 0.31 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 23.62 17.58 219.90 5.12 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-25741) 01/12/26 _x86_64_ (4 CPU) 00:00:29 CPU %user %nice %system %iowait %steal %idle 00:10:29 all 0.33 0.00 0.16 0.10 0.02 99.38 00:10:29 0 0.16 0.00 0.09 0.20 0.02 99.53 00:10:29 1 0.20 0.00 0.11 0.13 0.01 99.55 00:10:29 2 0.35 0.00 0.31 0.02 0.01 99.31 00:10:29 3 0.63 0.00 0.13 0.06 0.03 99.15 00:20:01 all 0.25 0.00 0.03 0.01 0.02 99.69 00:20:01 0 0.04 0.00 0.04 0.01 0.02 99.90 00:20:01 1 0.91 0.00 0.03 0.01 0.02 99.03 00:20:01 2 0.01 0.00 0.01 0.01 0.01 99.95 00:20:01 3 0.05 0.00 0.03 0.01 0.03 99.89 00:30:10 all 25.55 0.00 0.82 0.23 0.06 73.34 00:30:10 0 28.02 0.00 0.85 0.11 0.06 70.96 00:30:10 1 25.20 0.00 0.83 0.34 0.06 73.57 00:30:10 2 24.73 0.00 0.90 0.33 0.07 73.97 00:30:10 3 24.25 0.00 0.67 0.17 0.06 74.85 00:40:01 all 45.17 0.00 0.54 0.16 0.08 54.05 00:40:01 0 48.18 0.00 0.50 0.03 0.08 51.21 00:40:01 1 44.56 0.00 0.55 0.54 0.10 54.25 00:40:01 2 51.26 0.00 0.64 0.02 0.08 48.00 00:40:01 3 36.68 0.00 0.47 0.03 0.08 62.74 Average: all 17.96 0.00 0.39 0.13 0.05 81.47 Average: 0 19.27 0.00 0.38 0.09 0.04 80.22 Average: 1 17.82 0.00 0.38 0.26 0.05 81.49 Average: 2 19.22 0.00 0.47 0.10 0.04 80.17 Average: 3 15.55 0.00 0.33 0.07 0.05 84.01