---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6356 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 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 639 10532 4 4817 15007 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:e3:f3:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84661sec preferred_lft 84661sec inet6 fe80::f816:3eff:fee3:f3d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:06:33:65:37:1f 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-6356) 04/22/26 _x86_64_ (4 CPU) 00:26:00 LINUX RESTART (4 CPU) 00:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:44 4.02 0.22 3.61 0.18 23.21 616.91 124.53 00:50:01 22.35 0.54 7.13 14.68 20.29 1438.35 258387.12 Average: 12.53 0.37 5.25 6.92 21.86 998.46 120084.99 00:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:44 8000952 10994640 4968860 30.35 112360 3046260 5137540 29.49 498040 7525464 3516 00:50:01 9045112 12730188 3229288 19.72 130136 3681356 3357156 19.27 609304 6337368 323936 Average: 8523032 11862414 4099074 25.04 121248 3363808 4247348 24.38 553672 6931416 163726 00:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:44 lo 0.58 0.58 0.36 0.36 0.00 0.00 0.00 0.00 00:40:44 ens3 15.86 11.98 73.60 3.21 0.00 0.00 0.00 0.00 00:40:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 113.23 113.23 107.35 107.35 0.00 0.00 0.00 0.00 00:50:01 ens3 44.23 27.69 441.96 4.49 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 52.91 52.91 50.05 50.05 0.00 0.00 0.00 0.00 Average: ens3 29.04 19.27 244.70 3.80 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-6356) 04/22/26 _x86_64_ (4 CPU) 00:26:00 LINUX RESTART (4 CPU) 00:30:03 CPU %user %nice %system %iowait %steal %idle 00:40:44 all 48.58 0.00 0.70 0.02 0.09 50.61 00:40:44 0 38.55 0.00 0.73 0.03 0.08 60.60 00:40:44 1 47.17 0.00 0.73 0.03 0.09 51.99 00:40:44 2 64.65 0.00 0.73 0.03 0.10 34.50 00:40:44 3 43.92 0.00 0.61 0.01 0.09 55.37 00:50:01 all 55.70 0.00 0.91 1.10 0.11 42.17 00:50:01 0 67.27 0.00 0.94 0.52 0.12 31.15 00:50:01 1 59.05 0.00 0.93 1.63 0.11 38.27 00:50:01 2 51.16 0.00 0.85 0.97 0.11 46.91 00:50:01 3 45.34 0.00 0.93 1.27 0.10 52.36 Average: all 51.89 0.00 0.80 0.52 0.10 46.69 Average: 0 51.89 0.00 0.83 0.26 0.10 46.93 Average: 1 52.69 0.00 0.82 0.77 0.10 45.61 Average: 2 58.39 0.00 0.79 0.47 0.10 40.26 Average: 3 44.58 0.00 0.76 0.60 0.10 53.97