---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1128 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): 8 On-line CPU(s) list: 0-7 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): 8 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 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 11G 145G 7% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 674 28245 4 3171 30954 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:bf:09:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.172/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84462sec preferred_lft 84462sec inet6 fe80::f816:3eff:febf:9ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:15:89:e1:16:ac 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-8c-8g-1128) 11/05/26 _x86_64_ (8 CPU) 14:47:21 LINUX RESTART (8 CPU) 14:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:01 5.15 0.32 4.40 0.43 8.05 245.48 739.50 15:10:01 1.61 0.20 1.40 0.02 1.56 16.92 243.67 Average: 3.37 0.26 2.89 0.22 4.80 130.75 490.61 14:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:01 29972892 31722332 660180 2.01 63996 2023940 1553744 4.58 204012 2369704 172 15:10:01 29970884 31721412 661232 2.01 64932 2024052 1554132 4.58 204940 2378376 8 Average: 29971888 31721872 660706 2.01 64464 2023996 1553938 4.58 204476 2374040 90 14:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:01 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 15:00:01 ens3 5.25 2.53 57.24 0.92 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:10:01 ens3 0.33 0.21 0.13 0.26 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 2.78 1.37 28.57 0.59 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-8c-8g-1128) 11/05/26 _x86_64_ (8 CPU) 14:47:21 LINUX RESTART (8 CPU) 14:50:06 CPU %user %nice %system %iowait %steal %idle 15:00:01 all 0.19 0.00 0.09 0.05 0.00 99.67 15:00:01 0 0.16 0.00 0.08 0.02 0.00 99.75 15:00:01 1 0.16 0.00 0.05 0.01 0.00 99.78 15:00:01 2 0.46 0.00 0.04 0.00 0.00 99.49 15:00:01 3 0.11 0.00 0.09 0.02 0.00 99.79 15:00:01 4 0.23 0.00 0.08 0.01 0.00 99.68 15:00:01 5 0.14 0.00 0.06 0.33 0.00 99.46 15:00:01 6 0.08 0.00 0.07 0.01 0.00 99.84 15:00:01 7 0.20 0.00 0.23 0.03 0.01 99.54 15:10:01 all 0.10 0.00 0.01 0.01 0.00 99.87 15:10:01 0 0.01 0.00 0.02 0.01 0.00 99.96 15:10:01 1 0.03 0.00 0.02 0.02 0.00 99.93 15:10:01 2 0.63 0.00 0.00 0.00 0.00 99.36 15:10:01 3 0.02 0.00 0.01 0.01 0.00 99.96 15:10:01 4 0.05 0.00 0.03 0.02 0.01 99.89 15:10:01 5 0.00 0.00 0.00 0.02 0.01 99.97 15:10:01 6 0.01 0.00 0.01 0.00 0.00 99.98 15:10:01 7 0.08 0.00 0.01 0.03 0.00 99.89 Average: all 0.15 0.00 0.05 0.03 0.00 99.77 Average: 0 0.08 0.00 0.05 0.01 0.00 99.86 Average: 1 0.09 0.00 0.03 0.01 0.00 99.86 Average: 2 0.55 0.00 0.02 0.00 0.00 99.43 Average: 3 0.06 0.00 0.05 0.01 0.00 99.87 Average: 4 0.14 0.00 0.05 0.02 0.00 99.78 Average: 5 0.07 0.00 0.03 0.18 0.00 99.72 Average: 6 0.05 0.00 0.04 0.01 0.00 99.91 Average: 7 0.13 0.00 0.12 0.03 0.00 99.72