---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4339 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 12G 67G 15% / 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 608 9659 4 5720 15037 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:13:72:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84449sec preferred_lft 84449sec inet6 fe80::f816:3eff:fe13:72e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:d9:61:8d:74:ba 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4339) 04/18/26 _x86_64_ (4 CPU) 21:00:00 LINUX RESTART (4 CPU) 21:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:01 32.44 0.18 28.74 3.52 7.31 3155.54 33207.76 21:30:01 27.88 0.32 24.71 2.86 11.92 6901.22 5393.06 Average: 30.16 0.25 26.72 3.19 9.61 5028.08 19302.61 21:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:01 9051588 13064664 2890044 17.65 166184 3922240 3072004 17.63 831360 6057084 25792 21:30:01 9874664 15371012 576180 3.52 200332 5277408 1103484 6.33 981864 4960760 64 Average: 9463126 14217838 1733112 10.59 183258 4599824 2087744 11.98 906612 5508922 12928 21:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:01 lo 1591.34 1591.34 1517.12 1517.12 0.00 0.00 0.00 0.00 21:20:01 ens3 50.73 40.35 206.47 12.56 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 287.47 287.47 270.19 270.19 0.00 0.00 0.00 0.00 21:30:01 ens3 53.43 47.36 111.16 82.98 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 939.51 939.51 893.75 893.75 0.00 0.00 0.00 0.00 Average: ens3 52.08 43.85 158.82 47.76 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4339) 04/18/26 _x86_64_ (4 CPU) 21:00:00 LINUX RESTART (4 CPU) 21:10:01 CPU %user %nice %system %iowait %steal %idle 21:20:01 all 61.42 0.00 2.44 0.05 0.10 35.98 21:20:01 0 62.34 0.00 2.35 0.06 0.11 35.15 21:20:01 1 62.14 0.00 2.29 0.04 0.10 35.42 21:20:01 2 63.31 0.00 2.57 0.03 0.11 33.98 21:20:01 3 57.87 0.00 2.57 0.08 0.10 39.37 21:30:01 all 54.42 0.00 1.81 0.07 0.09 43.60 21:30:01 0 48.10 0.00 1.67 0.06 0.09 50.07 21:30:01 1 55.02 0.00 1.65 0.05 0.09 43.18 21:30:01 2 64.85 0.00 2.49 0.09 0.10 32.47 21:30:01 3 49.73 0.00 1.43 0.09 0.09 48.66 Average: all 57.91 0.00 2.13 0.06 0.10 39.80 Average: 0 55.20 0.00 2.01 0.06 0.10 42.63 Average: 1 58.58 0.00 1.97 0.05 0.10 39.31 Average: 2 64.08 0.00 2.53 0.06 0.10 33.23 Average: 3 53.79 0.00 2.00 0.09 0.10 44.02