---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-532 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 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 712 9801 4 5475 14934 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:d6:69:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84546sec preferred_lft 84546sec inet6 fe80::f816:3eff:fed6:69f7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:84:0a:59:3a:e2 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-532) 01/15/26 _x86_64_ (4 CPU) 20:46:18 LINUX RESTART (4 CPU) 20:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:36 25.61 2.72 21.06 1.84 339.02 5032.92 7572.51 21:10:23 37.09 0.04 33.11 3.93 1.28 5644.63 29827.24 Average: 31.17 1.43 26.89 2.85 175.50 5329.08 18347.26 20:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:36 9481612 13283768 2671488 16.32 164720 3717080 3007416 17.26 813204 5647496 26948 21:10:23 8185400 13184860 2765268 16.89 181184 4845176 3200884 18.37 1056756 6638548 29576 Average: 8833506 13234314 2718378 16.60 172952 4281128 3104150 17.82 934980 6143022 28262 20:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:36 lo 638.40 638.40 607.61 607.61 0.00 0.00 0.00 0.00 21:00:36 ens3 96.15 75.97 688.52 17.39 0.00 0.00 0.00 0.00 21:00:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:23 lo 1462.62 1462.62 1393.47 1393.47 0.00 0.00 0.00 0.00 21:10:23 ens3 61.64 47.13 220.35 15.02 0.00 0.00 0.00 0.00 21:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1037.45 1037.45 988.09 988.09 0.00 0.00 0.00 0.00 Average: ens3 79.44 62.01 461.85 16.24 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-532) 01/15/26 _x86_64_ (4 CPU) 20:46:18 LINUX RESTART (4 CPU) 20:50:10 CPU %user %nice %system %iowait %steal %idle 21:00:36 all 59.83 0.00 2.03 0.09 0.09 37.96 21:00:36 0 60.13 0.00 1.64 0.03 0.10 38.11 21:00:36 1 61.27 0.00 1.94 0.06 0.09 36.64 21:00:36 2 56.87 0.00 2.04 0.19 0.09 40.81 21:00:36 3 61.05 0.00 2.50 0.08 0.09 36.29 21:10:23 all 60.69 0.00 2.45 0.11 0.10 36.64 21:10:23 0 57.96 0.00 2.46 0.07 0.10 39.41 21:10:23 1 62.20 0.00 2.65 0.17 0.10 34.89 21:10:23 2 62.81 0.00 2.42 0.09 0.10 34.58 21:10:23 3 59.81 0.00 2.29 0.12 0.10 37.67 Average: all 60.25 0.00 2.23 0.10 0.10 37.32 Average: 0 59.08 0.00 2.04 0.05 0.10 38.74 Average: 1 61.72 0.00 2.28 0.11 0.10 35.79 Average: 2 59.75 0.00 2.22 0.14 0.10 37.79 Average: 3 60.45 0.00 2.40 0.10 0.10 36.96