---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4900 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: 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 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 616 10352 4 5020 15030 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:01:09:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84620sec preferred_lft 84620sec inet6 fe80::f816:3eff:fe01:9a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:a2:6f:4e:55:78 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-4900) 04/20/26 _x86_64_ (4 CPU) 14:23:41 LINUX RESTART (4 CPU) 14:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:10 3.33 0.07 3.10 0.15 7.09 514.20 270.99 14:50:05 10.70 0.52 9.49 0.68 19.18 1777.90 1996.62 Average: 6.99 0.30 6.28 0.42 13.11 1143.09 1129.76 14:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:10 10413016 13642880 2319644 14.17 115220 3274528 2639556 15.15 633112 4986268 17340 14:50:05 9878556 13596408 2362408 14.43 133288 3715144 2858604 16.41 796312 5310252 83572 Average: 10145786 13619644 2341026 14.30 124254 3494836 2749080 15.78 714712 5148260 50456 14:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:10 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 14:40:10 ens3 8.51 7.29 36.13 2.32 0.00 0.00 0.00 0.00 14:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:05 lo 177.56 177.56 168.66 168.66 0.00 0.00 0.00 0.00 14:50:05 ens3 37.94 28.59 411.94 3.65 0.00 0.00 0.00 0.00 14:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 88.66 88.66 84.12 84.12 0.00 0.00 0.00 0.00 Average: ens3 23.16 17.89 223.15 2.98 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-4900) 04/20/26 _x86_64_ (4 CPU) 14:23:41 LINUX RESTART (4 CPU) 14:30:10 CPU %user %nice %system %iowait %steal %idle 14:40:10 all 48.37 0.00 0.76 0.01 0.11 50.74 14:40:10 0 42.87 0.00 0.66 0.01 0.11 56.34 14:40:10 1 60.40 0.00 0.73 0.01 0.13 38.74 14:40:10 2 44.48 0.00 0.79 0.03 0.11 54.59 14:40:10 3 45.75 0.00 0.86 0.00 0.11 53.28 14:50:05 all 58.50 0.00 1.00 0.03 0.12 40.35 14:50:05 0 65.92 0.00 0.93 0.01 0.12 33.02 14:50:05 1 65.90 0.00 0.91 0.07 0.12 33.00 14:50:05 2 47.87 0.00 1.02 0.04 0.10 50.97 14:50:05 3 54.35 0.00 1.13 0.02 0.11 44.39 Average: all 53.42 0.00 0.88 0.02 0.11 45.57 Average: 0 54.34 0.00 0.80 0.01 0.11 44.74 Average: 1 63.13 0.00 0.82 0.04 0.13 35.88 Average: 2 46.17 0.00 0.90 0.04 0.11 52.79 Average: 3 50.03 0.00 1.00 0.01 0.11 48.85