---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65983 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 634 10276 4 5079 15011 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:8b:4d:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85003sec preferred_lft 85003sec inet6 fe80::f816:3eff:fe8b:4d5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:01:6b:91:c2:3c 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-65983) 10/20/26 _x86_64_ (4 CPU) 17:09:23 LINUX RESTART (4 CPU) 17:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 22.58 3.13 18.63 0.81 176.43 4491.27 750.00 17:30:03 28.50 12.33 15.07 1.10 150.57 2269.59 4227.92 Average: 25.57 7.79 16.83 0.96 163.34 3366.92 2510.12 17:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9569200 12692308 3270192 19.97 115308 3165784 3506084 20.12 485440 5958396 988 17:30:03 8772228 12727016 3229716 19.73 140552 3915668 3425040 19.66 762624 6424940 260032 Average: 9170714 12709662 3249954 19.85 127930 3540726 3465562 19.89 624032 6191668 130510 17:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.98 0.98 0.19 0.19 0.00 0.00 0.00 0.00 17:20:01 ens3 109.44 87.32 917.94 10.83 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:03 lo 447.79 447.79 427.22 427.22 0.00 0.00 0.00 0.00 17:30:03 ens3 55.10 41.09 477.48 4.84 0.00 0.00 0.00 0.00 17:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 227.11 227.11 216.30 216.30 0.00 0.00 0.00 0.00 Average: ens3 81.94 63.92 695.03 7.80 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-65983) 10/20/26 _x86_64_ (4 CPU) 17:09:23 LINUX RESTART (4 CPU) 17:10:12 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 47.93 0.00 1.27 0.24 0.02 50.54 17:20:01 0 46.01 0.00 1.21 0.27 0.02 52.48 17:20:01 1 55.97 0.00 1.52 0.12 0.02 42.37 17:20:01 2 46.43 0.00 1.15 0.10 0.02 52.30 17:20:01 3 43.28 0.00 1.19 0.49 0.02 55.02 17:30:03 all 52.89 0.06 1.31 0.12 0.02 45.60 17:30:03 0 43.48 0.00 1.36 0.11 0.01 55.04 17:30:03 1 52.22 0.15 1.25 0.10 0.02 46.26 17:30:03 2 70.38 0.00 1.48 0.15 0.03 27.96 17:30:03 3 45.53 0.08 1.14 0.14 0.02 53.09 Average: all 50.44 0.03 1.29 0.18 0.02 48.04 Average: 0 44.73 0.00 1.29 0.19 0.02 53.78 Average: 1 54.07 0.08 1.38 0.11 0.02 44.34 Average: 2 58.56 0.00 1.31 0.13 0.02 39.98 Average: 3 44.42 0.04 1.17 0.31 0.02 54.04