---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39691 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 638 10492 4 4858 15008 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:ba:63:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84600sec preferred_lft 84600sec inet6 fe80::f816:3eff:feba:63e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:4f:53:8f:80:14 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-39691) 07/28/26 _x86_64_ (4 CPU) 09:54:31 LINUX RESTART (4 CPU) 10:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:08 3.40 0.07 3.18 0.14 7.03 469.88 141.36 10:20:01 10.03 0.52 8.93 0.58 19.22 1641.59 1117.67 Average: 6.68 0.29 6.03 0.36 13.06 1049.47 624.29 10:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:08 8357204 11436496 4526544 27.65 114596 3122012 4681500 26.87 495892 7169712 376 10:20:01 9179096 12936636 3022620 18.46 132696 3744936 3162496 18.15 679416 6123016 268048 Average: 8768150 12186566 3774582 23.05 123646 3433474 3921998 22.51 587654 6646364 134212 10:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:08 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 10:10:08 ens3 8.71 7.16 36.36 2.01 0.00 0.00 0.00 0.00 10:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 231.53 231.53 220.53 220.53 0.00 0.00 0.00 0.00 10:20:01 ens3 35.59 25.59 418.05 3.40 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 114.82 114.82 109.27 109.27 0.00 0.00 0.00 0.00 Average: ens3 22.01 16.28 225.16 2.70 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-39691) 07/28/26 _x86_64_ (4 CPU) 09:54:31 LINUX RESTART (4 CPU) 10:00:03 CPU %user %nice %system %iowait %steal %idle 10:10:08 all 48.21 0.00 0.71 0.13 0.10 50.85 10:10:08 0 47.34 0.00 0.75 0.13 0.10 51.68 10:10:08 1 47.51 0.00 0.77 0.25 0.11 51.36 10:10:08 2 54.63 0.00 0.62 0.02 0.11 44.63 10:10:08 3 43.35 0.00 0.70 0.13 0.10 55.71 10:20:01 all 52.79 0.00 0.97 0.77 0.12 45.35 10:20:01 0 43.01 0.00 0.72 0.43 0.10 55.74 10:20:01 1 63.18 0.00 1.13 2.24 0.14 33.30 10:20:01 2 59.68 0.00 1.15 0.21 0.12 38.84 10:20:01 3 45.25 0.00 0.88 0.22 0.11 53.55 Average: all 50.47 0.00 0.84 0.45 0.11 48.13 Average: 0 45.20 0.00 0.74 0.28 0.10 53.69 Average: 1 55.26 0.00 0.95 1.23 0.13 42.43 Average: 2 57.13 0.00 0.88 0.11 0.12 41.76 Average: 3 44.29 0.00 0.79 0.17 0.10 54.64