---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4351 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: 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 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 649 10381 4 4957 14997 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:8d:6e:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84766sec preferred_lft 84766sec inet6 fe80::f816:3eff:fe8d:6ecc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:eb:c7:e1:57:b0 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-4351) 01/26/26 _x86_64_ (4 CPU) 00:58:41 LINUX RESTART (4 CPU) 01:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:08 21.10 3.32 16.59 1.19 773.22 3861.11 4726.78 01:20:00 26.18 0.85 21.84 3.49 27.46 3580.01 2506.01 Average: 23.64 2.08 19.22 2.34 400.35 3720.57 3616.43 01:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:08 10655776 13973792 1987620 12.14 123992 3337236 2648676 15.20 719772 4637520 25220 01:20:00 9023632 13284640 2667764 16.29 165132 4156252 2772752 15.92 967296 5900108 17520 Average: 9839704 13629216 2327692 14.22 144562 3746744 2710714 15.56 843534 5268814 21370 01:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:08 lo 0.98 0.98 0.10 0.10 0.00 0.00 0.00 0.00 01:10:08 ens3 91.67 70.40 774.88 16.45 0.00 0.00 0.00 0.00 01:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:00 lo 1492.93 1492.93 1421.75 1421.75 0.00 0.00 0.00 0.00 01:20:00 ens3 98.03 72.29 377.86 19.73 0.00 0.00 0.00 0.00 01:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 746.93 746.93 710.90 710.90 0.00 0.00 0.00 0.00 Average: ens3 94.85 71.34 576.38 18.09 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-4351) 01/26/26 _x86_64_ (4 CPU) 00:58:41 LINUX RESTART (4 CPU) 01:00:17 CPU %user %nice %system %iowait %steal %idle 01:10:08 all 44.02 0.00 1.54 0.28 0.07 54.08 01:10:08 0 43.48 0.00 1.60 0.24 0.08 54.60 01:10:08 1 44.87 0.00 1.52 0.37 0.07 53.17 01:10:08 2 42.70 0.00 1.39 0.30 0.08 55.53 01:10:08 3 45.05 0.00 1.65 0.21 0.07 53.01 01:20:00 all 70.20 0.00 2.71 0.17 0.10 26.82 01:20:00 0 70.04 0.00 2.85 0.26 0.10 26.76 01:20:00 1 70.41 0.00 2.86 0.15 0.10 26.48 01:20:00 2 69.14 0.00 2.53 0.11 0.10 28.12 01:20:00 3 71.20 0.00 2.62 0.14 0.10 25.94 Average: all 57.10 0.00 2.13 0.22 0.09 40.46 Average: 0 56.76 0.00 2.22 0.25 0.09 40.68 Average: 1 57.63 0.00 2.19 0.26 0.09 39.83 Average: 2 55.89 0.00 1.96 0.21 0.09 41.85 Average: 3 58.11 0.00 2.14 0.18 0.09 39.49