---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9359 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 12G 66G 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 728 9269 4 5990 14917 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:cc:a2:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84601sec preferred_lft 84601sec inet6 fe80::f816:3eff:fecc:a207/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:02:35:ab:8a:b5 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-9359) 09/18/26 _x86_64_ (4 CPU) 15:47:53 LINUX RESTART (4 CPU) 15:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:00 31.74 2.72 26.53 2.49 172.00 6610.77 31682.23 16:10:00 32.57 0.06 29.28 3.22 1.69 6246.64 10658.94 Average: 32.15 1.39 27.91 2.86 86.85 6428.71 21170.50 15:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:00 8951640 13010572 2942980 17.97 161984 3974136 3290928 18.89 737012 6249436 16528 16:10:00 7631388 13161768 2784920 17.01 194496 5338760 2971336 17.06 1051268 7167008 12344 Average: 8291514 13086170 2863950 17.49 178240 4656448 3131132 17.97 894140 6708222 14436 15:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:00 lo 919.04 919.04 875.70 875.70 0.00 0.00 0.00 0.00 16:00:00 ens3 145.26 105.28 1186.85 19.78 0.00 0.00 0.00 0.00 16:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:00 lo 1274.64 1274.64 1214.76 1214.76 0.00 0.00 0.00 0.00 16:10:00 ens3 57.38 43.93 255.75 12.29 0.00 0.00 0.00 0.00 16:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1096.84 1096.84 1045.23 1045.23 0.00 0.00 0.00 0.00 Average: ens3 101.32 74.61 721.29 16.03 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-9359) 09/18/26 _x86_64_ (4 CPU) 15:47:53 LINUX RESTART (4 CPU) 15:50:00 CPU %user %nice %system %iowait %steal %idle 16:00:00 all 64.77 0.00 2.56 0.11 0.05 32.51 16:00:00 0 64.15 0.00 2.47 0.12 0.05 33.20 16:00:00 1 64.42 0.00 2.15 0.05 0.05 33.34 16:00:00 2 66.43 0.00 2.67 0.05 0.05 30.81 16:00:00 3 64.09 0.00 2.95 0.21 0.04 32.71 16:10:00 all 57.61 0.00 2.51 0.09 0.05 39.74 16:10:00 0 57.69 0.00 2.37 0.09 0.05 39.80 16:10:00 1 57.79 0.00 2.55 0.09 0.05 39.53 16:10:00 2 57.73 0.00 2.60 0.06 0.05 39.55 16:10:00 3 57.24 0.00 2.49 0.13 0.05 40.09 Average: all 61.19 0.00 2.53 0.10 0.05 36.12 Average: 0 60.92 0.00 2.42 0.11 0.05 36.50 Average: 1 61.11 0.00 2.35 0.07 0.05 36.43 Average: 2 62.08 0.00 2.63 0.06 0.05 35.17 Average: 3 60.67 0.00 2.72 0.17 0.04 36.40