---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-57486 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 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 641 10128 4 5218 15004 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:2b:8f:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84889sec preferred_lft 84889sec inet6 fe80::f816:3eff:fe2b:8fb5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:8f:21:cc:69:22 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-57486) 09/22/26 _x86_64_ (4 CPU) 17:09:24 LINUX RESTART (4 CPU) 17:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 24.75 3.32 20.23 1.20 203.20 5214.29 21504.41 17:30:10 5.87 0.37 5.24 0.26 12.19 729.93 371.22 Average: 15.17 1.82 12.62 0.72 106.24 2937.99 10777.03 17:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9546152 12868104 3092712 18.89 118816 3355804 3421956 19.64 504604 5972368 3324 17:30:10 8941200 12998632 2957844 18.07 136712 4032640 3191912 18.32 601292 6419708 525124 Average: 9243676 12933368 3025278 18.48 127764 3694222 3306934 18.98 552948 6196038 264224 17:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.89 0.89 0.09 0.09 0.00 0.00 0.00 0.00 17:20:01 ens3 142.97 104.30 1221.07 11.98 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 17:30:10 lo 96.65 96.65 91.85 91.85 0.00 0.00 0.00 0.00 17:30:10 ens3 52.59 40.74 471.70 4.31 0.00 0.00 0.00 0.00 17:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 49.50 49.50 46.67 46.67 0.00 0.00 0.00 0.00 Average: ens3 97.09 72.04 840.68 8.08 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-57486) 09/22/26 _x86_64_ (4 CPU) 17:09:24 LINUX RESTART (4 CPU) 17:10:10 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 52.27 0.00 1.49 0.27 0.03 45.93 17:20:01 0 50.39 0.00 1.26 0.06 0.03 48.26 17:20:01 1 50.23 0.00 1.47 0.54 0.03 47.72 17:20:01 2 56.75 0.00 1.81 0.30 0.04 41.11 17:20:01 3 51.72 0.00 1.44 0.16 0.04 46.63 17:30:10 all 53.60 0.00 0.93 0.03 0.04 45.41 17:30:10 0 50.78 0.00 1.01 0.01 0.03 48.17 17:30:10 1 57.11 0.00 0.85 0.04 0.04 41.96 17:30:10 2 50.87 0.00 1.00 0.03 0.03 48.08 17:30:10 3 55.65 0.00 0.86 0.02 0.04 43.42 Average: all 52.95 0.00 1.21 0.14 0.04 45.66 Average: 0 50.59 0.00 1.13 0.04 0.03 48.22 Average: 1 53.73 0.00 1.15 0.29 0.04 44.80 Average: 2 53.76 0.00 1.40 0.16 0.03 44.64 Average: 3 53.71 0.00 1.15 0.09 0.04 45.00