---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25745 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 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 644 10248 4 5095 15002 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:8f:02:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84817sec preferred_lft 84817sec inet6 fe80::f816:3eff:fe8f:2c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:03:67:17:82:3b 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-25745) 01/12/26 _x86_64_ (4 CPU) 00:28:07 LINUX RESTART (4 CPU) 00:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 15.01 1.80 12.35 0.85 669.18 2962.82 5107.11 00:50:16 9.85 0.52 8.83 0.50 18.92 1603.20 926.46 Average: 12.37 1.15 10.55 0.67 336.47 2267.14 2968.01 00:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 9067892 12352064 3609216 22.04 114688 3335632 3794960 21.78 715976 6240608 300 00:50:16 7966208 11946788 4010664 24.50 132352 3976296 4474476 25.68 896744 7131076 272132 Average: 8517050 12149426 3809940 23.27 123520 3655964 4134718 23.73 806360 6685842 136216 00:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 0.72 0.72 0.40 0.40 0.00 0.00 0.00 0.00 00:40:01 ens3 48.55 35.68 445.49 5.48 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 00:50:16 lo 158.24 158.24 150.44 150.44 0.00 0.00 0.00 0.00 00:50:16 ens3 38.08 26.62 400.00 4.23 0.00 0.00 0.00 0.00 00:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 81.32 81.32 77.17 77.17 0.00 0.00 0.00 0.00 Average: ens3 43.19 31.05 422.21 4.84 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-25745) 01/12/26 _x86_64_ (4 CPU) 00:28:07 LINUX RESTART (4 CPU) 00:30:14 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 50.55 0.00 1.07 0.12 0.08 48.18 00:40:01 0 49.95 0.00 0.97 0.31 0.07 48.70 00:40:01 1 54.86 0.00 1.15 0.07 0.07 43.85 00:40:01 2 46.15 0.00 1.12 0.08 0.08 52.56 00:40:01 3 51.23 0.00 1.06 0.04 0.08 47.60 00:50:16 all 47.86 0.00 0.91 0.03 0.08 51.12 00:50:16 0 52.48 0.00 1.10 0.06 0.08 46.28 00:50:16 1 44.06 0.00 0.83 0.02 0.08 55.02 00:50:16 2 35.21 0.00 0.95 0.03 0.07 63.75 00:50:16 3 59.74 0.00 0.75 0.02 0.08 39.41 Average: all 49.17 0.00 0.99 0.08 0.08 49.68 Average: 0 51.25 0.00 1.04 0.18 0.08 47.46 Average: 1 49.33 0.00 0.98 0.04 0.08 49.57 Average: 2 40.56 0.00 1.03 0.05 0.07 58.28 Average: 3 55.58 0.00 0.90 0.03 0.08 43.41