---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2413 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 615 10534 4 4839 15031 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:38:73:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84825sec preferred_lft 84825sec inet6 fe80::f816:3eff:fe38:738f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:eb:7f:12:e2:42 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-2413) 01/20/26 _x86_64_ (4 CPU) 17:04:49 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:03 6.45 0.27 5.73 0.44 211.90 916.35 1187.09 17:30:03 20.05 0.55 17.66 1.85 20.49 2527.64 14402.84 Average: 13.23 0.41 11.68 1.14 116.42 1720.11 7779.53 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:03 9536212 12604732 3357180 20.50 112924 3122052 3596712 20.65 575504 5929164 180 17:30:03 10838900 15425244 530980 3.24 133756 4561188 1028384 5.90 946644 4165676 1060092 Average: 10187556 14014988 1944080 11.87 123340 3841620 2312548 13.27 761074 5047420 530136 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:03 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 17:20:03 ens3 12.26 9.32 94.05 2.28 0.00 0.00 0.00 0.00 17:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:03 lo 479.68 479.68 456.91 456.91 0.00 0.00 0.00 0.00 17:30:03 ens3 52.13 38.65 484.96 17.60 0.00 0.00 0.00 0.00 17:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 239.60 239.60 228.11 228.11 0.00 0.00 0.00 0.00 Average: ens3 32.15 23.95 289.05 9.92 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-2413) 01/20/26 _x86_64_ (4 CPU) 17:04:49 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:03 all 48.46 0.00 0.78 0.43 0.08 50.25 17:20:03 0 51.22 0.00 0.89 0.63 0.08 47.18 17:20:03 1 53.35 0.00 0.97 0.47 0.09 45.13 17:20:03 2 36.08 0.00 0.64 0.60 0.08 62.60 17:20:03 3 53.18 0.00 0.63 0.04 0.08 46.06 17:30:03 all 55.31 0.00 1.44 0.19 0.09 42.96 17:30:03 0 47.18 0.00 1.42 0.16 0.09 51.14 17:30:03 1 45.22 0.00 1.29 0.08 0.09 53.32 17:30:03 2 51.24 0.00 1.49 0.22 0.10 46.95 17:30:03 3 77.58 0.00 1.57 0.29 0.11 20.45 Average: all 51.87 0.00 1.11 0.31 0.09 46.62 Average: 0 49.21 0.00 1.16 0.40 0.09 49.15 Average: 1 49.29 0.00 1.13 0.27 0.09 49.22 Average: 2 43.63 0.00 1.06 0.41 0.09 54.81 Average: 3 65.33 0.00 1.10 0.16 0.10 33.31