---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13948 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 676 10317 4 4995 14970 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:90:25:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84829sec preferred_lft 84829sec inet6 fe80::f816:3eff:fe90:253d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:4b:4b:5a:bc:df 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-13948) 12/15/25 _x86_64_ (4 CPU) 22:48:55 LINUX RESTART (4 CPU) 22:50:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:29 23.00 3.28 18.12 1.60 762.44 4377.56 19445.76 23:10:01 27.36 0.88 23.14 3.33 28.44 3457.48 6758.33 Average: 25.13 2.11 20.57 2.44 404.54 3928.93 13259.43 22:50:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:29 10582716 14024612 1934456 11.81 128652 3448072 2543052 14.60 725744 4699696 17504 23:10:01 8395968 12719584 3231528 19.74 167300 4213332 3689372 21.18 967768 6551732 11492 Average: 9489342 13372098 2582992 15.78 147976 3830702 3116212 17.89 846756 5625714 14498 22:50:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:29 lo 1.26 1.26 0.13 0.13 0.00 0.00 0.00 0.00 23:00:29 ens3 103.18 79.39 787.60 18.93 0.00 0.00 0.00 0.00 23:00:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 1440.62 1440.62 1372.36 1372.36 0.00 0.00 0.00 0.00 23:10:01 ens3 86.95 64.79 390.55 17.43 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 703.08 703.08 669.22 669.22 0.00 0.00 0.00 0.00 Average: ens3 95.27 72.27 594.00 18.20 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-13948) 12/15/25 _x86_64_ (4 CPU) 22:48:55 LINUX RESTART (4 CPU) 22:50:28 CPU %user %nice %system %iowait %steal %idle 23:00:29 all 58.29 0.00 2.18 0.12 0.08 39.34 23:00:29 0 57.11 0.00 1.83 0.20 0.08 40.78 23:00:29 1 57.96 0.00 2.21 0.10 0.07 39.65 23:00:29 2 60.97 0.00 2.51 0.08 0.08 36.36 23:00:29 3 57.10 0.00 2.17 0.09 0.08 40.57 23:10:01 all 70.15 0.00 2.81 0.07 0.10 26.85 23:10:01 0 71.43 0.00 3.01 0.09 0.10 25.37 23:10:01 1 71.36 0.00 2.61 0.07 0.11 25.85 23:10:01 2 67.70 0.00 2.58 0.09 0.11 29.53 23:10:01 3 70.13 0.00 3.06 0.05 0.10 26.66 Average: all 64.07 0.00 2.49 0.10 0.09 33.26 Average: 0 64.09 0.00 2.40 0.15 0.09 33.27 Average: 1 64.49 0.00 2.41 0.09 0.09 32.92 Average: 2 64.25 0.00 2.54 0.08 0.09 33.03 Average: 3 63.44 0.00 2.60 0.07 0.09 33.80