---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4930 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 667 10033 4 5289 14979 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:ab:ed:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84434sec preferred_lft 84434sec inet6 fe80::f816:3eff:feab:ed7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:ce:47:43:53:06 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-4930) 04/20/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:04 42.73 0.03 36.28 6.42 0.64 1503.21 134930.31 18:50:01 34.82 0.18 30.18 4.45 5.80 6346.62 32640.79 Average: 38.78 0.10 33.24 5.44 3.21 3919.32 83903.88 18:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:04 9419148 12763912 3196012 19.52 153752 3323088 3403484 19.54 672320 5887612 872 18:50:01 7955580 12859520 3091844 18.88 182576 4773440 3125564 17.94 1238608 6713696 26556 Average: 8687364 12811716 3143928 19.20 168164 4048264 3264524 18.74 955464 6300654 13714 18:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:04 lo 44.76 44.76 10.65 10.65 0.00 0.00 0.00 0.00 18:40:04 ens3 11.56 10.27 10.40 3.59 0.00 0.00 0.00 0.00 18:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1930.42 1930.42 1835.90 1835.90 0.00 0.00 0.00 0.00 18:50:01 ens3 77.85 59.85 479.52 13.99 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 985.41 985.41 921.16 921.16 0.00 0.00 0.00 0.00 Average: ens3 44.63 35.00 244.42 8.78 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-4930) 04/20/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:04 CPU %user %nice %system %iowait %steal %idle 18:40:04 all 21.50 0.00 0.94 0.49 0.10 76.98 18:40:04 0 21.60 0.00 0.98 0.85 0.09 76.48 18:40:04 1 21.42 0.00 0.98 0.36 0.10 77.14 18:40:04 2 22.01 0.00 0.87 0.17 0.10 76.86 18:40:04 3 20.96 0.00 0.93 0.57 0.10 77.44 18:50:01 all 46.46 0.00 2.35 0.15 0.09 50.95 18:50:01 0 46.40 0.00 2.35 0.07 0.09 51.09 18:50:01 1 45.42 0.00 2.26 0.06 0.09 52.18 18:50:01 2 47.27 0.00 2.35 0.13 0.09 50.16 18:50:01 3 46.76 0.00 2.45 0.36 0.09 50.36 Average: all 33.95 0.00 1.64 0.32 0.09 63.99 Average: 0 33.96 0.00 1.67 0.46 0.09 63.82 Average: 1 33.40 0.00 1.62 0.21 0.09 64.68 Average: 2 34.60 0.00 1.61 0.15 0.09 63.55 Average: 3 33.84 0.00 1.69 0.46 0.09 63.92