---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27126 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 10G 68G 13% / 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 651 10836 4 4501 14995 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:aa:e2:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84895sec preferred_lft 84895sec inet6 fe80::f816:3eff:feaa:e2a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:c9:17:33:b7:fb 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-27126) 06/13/26 _x86_64_ (4 CPU) 16:27:29 LINUX RESTART (4 CPU) 16:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:01 45.51 4.67 39.84 1.00 660.84 4852.28 2807.87 16:50:01 14.20 0.52 12.68 1.00 19.01 2062.67 8218.31 Average: 29.86 2.59 26.26 1.00 339.91 3457.39 5513.25 16:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:01 8748900 11997696 3964960 24.22 111332 3299676 4166216 23.91 609788 6670064 1300 16:50:01 9093856 12808544 3149924 19.24 131532 3713740 3360120 19.29 788996 6080996 12288 Average: 8921378 12403120 3557442 21.73 121432 3506708 3763168 21.60 699392 6375530 6794 16:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:01 lo 0.81 0.81 0.35 0.35 0.00 0.00 0.00 0.00 16:40:01 ens3 95.75 70.43 1045.14 12.59 0.00 0.00 0.00 0.00 16:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 lo 304.27 304.27 289.55 289.55 0.00 0.00 0.00 0.00 16:50:01 ens3 45.51 33.79 454.23 6.13 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 152.55 152.55 144.96 144.96 0.00 0.00 0.00 0.00 Average: ens3 70.63 52.11 749.67 9.36 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-27126) 06/13/26 _x86_64_ (4 CPU) 16:27:29 LINUX RESTART (4 CPU) 16:30:01 CPU %user %nice %system %iowait %steal %idle 16:40:01 all 48.54 0.00 1.21 0.31 0.08 49.86 16:40:01 0 46.52 0.00 1.36 0.59 0.08 51.46 16:40:01 1 46.81 0.00 1.05 0.08 0.08 51.99 16:40:01 2 48.52 0.00 1.24 0.30 0.08 49.86 16:40:01 3 52.33 0.00 1.18 0.26 0.08 46.15 16:50:01 all 50.27 0.00 1.05 0.05 0.08 48.56 16:50:01 0 68.70 0.00 1.19 0.05 0.08 29.98 16:50:01 1 40.41 0.00 1.04 0.05 0.08 58.42 16:50:01 2 38.81 0.00 0.89 0.07 0.07 60.16 16:50:01 3 53.15 0.00 1.06 0.03 0.08 45.68 Average: all 49.41 0.00 1.13 0.18 0.08 49.21 Average: 0 57.62 0.00 1.27 0.32 0.08 40.71 Average: 1 43.61 0.00 1.04 0.06 0.08 55.21 Average: 2 43.67 0.00 1.07 0.18 0.08 55.01 Average: 3 52.74 0.00 1.12 0.14 0.08 45.92