---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7896 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 648 9299 4 6041 14997 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:74:06:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84497sec preferred_lft 84497sec inet6 fe80::f816:3eff:fe74:63b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:12:fa:a3:1d:32 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-7896) 09/13/26 _x86_64_ (4 CPU) 05:12:31 LINUX RESTART (4 CPU) 05:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:02 10.70 0.01 8.77 1.92 0.17 604.21 32479.17 05:40:02 38.37 0.45 32.76 5.16 19.56 8402.16 31371.24 Average: 24.53 0.23 20.77 3.54 9.87 4503.19 31925.21 05:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:02 9479860 13109892 2847084 17.39 132468 3607576 3207512 18.41 688892 5795244 47932 05:40:02 9547212 15375084 571244 3.49 171264 5663780 1124348 6.45 1578448 4722416 27276 Average: 9513536 14242488 1709164 10.44 151866 4635678 2165930 12.43 1133670 5258830 37604 05:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:02 lo 54.00 54.00 13.74 13.74 0.00 0.00 0.00 0.00 05:30:02 ens3 6.42 4.68 4.31 1.61 0.00 0.00 0.00 0.00 05:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:02 lo 2386.20 2386.20 2294.90 2294.90 0.00 0.00 0.00 0.00 05:40:02 ens3 86.47 70.71 506.01 26.32 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1220.10 1220.10 1154.32 1154.32 0.00 0.00 0.00 0.00 Average: ens3 46.45 37.70 255.16 13.97 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-7896) 09/13/26 _x86_64_ (4 CPU) 05:12:31 LINUX RESTART (4 CPU) 05:20:02 CPU %user %nice %system %iowait %steal %idle 05:30:02 all 16.55 0.00 0.95 0.07 0.02 82.42 05:30:02 0 16.41 0.00 1.08 0.05 0.02 82.45 05:30:02 1 16.57 0.00 0.99 0.06 0.02 82.36 05:30:02 2 16.93 0.00 0.85 0.07 0.02 82.14 05:30:02 3 16.29 0.00 0.87 0.10 0.02 82.73 05:40:02 all 46.94 0.00 2.80 0.16 0.04 50.06 05:40:02 0 46.78 0.00 2.72 0.27 0.03 50.20 05:40:02 1 48.84 0.00 3.00 0.06 0.05 48.06 05:40:02 2 45.23 0.00 2.76 0.09 0.03 51.88 05:40:02 3 46.93 0.00 2.72 0.20 0.03 50.11 Average: all 31.75 0.00 1.87 0.11 0.03 66.24 Average: 0 31.58 0.00 1.90 0.16 0.03 66.34 Average: 1 32.72 0.00 2.00 0.06 0.03 65.20 Average: 2 31.09 0.00 1.80 0.08 0.03 67.00 Average: 3 31.61 0.00 1.80 0.15 0.03 66.41