---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1157 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 18G 138G 12% / 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 843 19725 4 11523 30780 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:f9:1c:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.221/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85304sec preferred_lft 85304sec inet6 fe80::f816:3eff:fef9:1cb5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:13:6e:22:11:c6 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 inet6 fe80::c13:6eff:fe22:11c6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-1157) 11/05/26 _x86_64_ (8 CPU) 17:23:50 LINUX RESTART (8 CPU) 17:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:05 38.82 0.97 36.43 1.42 66.34 10533.90 2848.28 Average: 38.82 0.97 36.43 1.42 66.34 10533.90 2848.28 17:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:05 15672080 26459620 5769856 17.56 485556 9746996 26589524 78.41 1831304 14021756 32092 Average: 15672080 26459620 5769856 17.56 485556 9746996 26589524 78.41 1831304 14021756 32092 17:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:05 lo 9.89 9.89 2.56 2.56 0.00 0.00 0.00 0.00 17:40:05 ens3 232.46 136.52 1192.24 68.14 0.00 0.00 0.00 0.00 17:40:05 docker0 0.55 0.62 0.37 0.09 0.00 0.00 0.00 0.00 17:40:05 vethfa77ab4 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 17:40:05 veth3d2d1f6 0.27 0.34 0.34 0.06 0.00 0.00 0.00 0.00 17:40:05 veth1488ba6 0.02 0.04 0.00 0.00 0.00 0.00 0.00 0.00 17:40:05 vethe43c7d6 0.06 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 9.89 9.89 2.56 2.56 0.00 0.00 0.00 0.00 Average: ens3 232.46 136.52 1192.24 68.14 0.00 0.00 0.00 0.00 Average: docker0 0.55 0.62 0.37 0.09 0.00 0.00 0.00 0.00 Average: vethfa77ab4 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth3d2d1f6 0.27 0.34 0.34 0.06 0.00 0.00 0.00 0.00 Average: veth1488ba6 0.02 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe43c7d6 0.06 0.07 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-1157) 11/05/26 _x86_64_ (8 CPU) 17:23:50 LINUX RESTART (8 CPU) 17:30:18 CPU %user %nice %system %iowait %steal %idle 17:40:05 all 74.51 0.00 2.95 0.10 0.04 22.40 17:40:05 0 74.19 0.00 2.97 0.16 0.03 22.66 17:40:05 1 74.23 0.00 3.09 0.18 0.04 22.45 17:40:05 2 72.62 0.00 2.80 0.04 0.03 24.52 17:40:05 3 73.81 0.00 2.94 0.06 0.05 23.14 17:40:05 4 74.72 0.00 2.98 0.04 0.04 22.22 17:40:05 5 78.65 0.00 2.67 0.04 0.03 18.62 17:40:05 6 71.47 0.00 3.03 0.14 0.03 25.33 17:40:05 7 76.43 0.00 3.14 0.15 0.04 20.25 Average: all 74.51 0.00 2.95 0.10 0.04 22.40 Average: 0 74.19 0.00 2.97 0.16 0.03 22.66 Average: 1 74.23 0.00 3.09 0.18 0.04 22.45 Average: 2 72.62 0.00 2.80 0.04 0.03 24.52 Average: 3 73.81 0.00 2.94 0.06 0.05 23.14 Average: 4 74.72 0.00 2.98 0.04 0.04 22.22 Average: 5 78.65 0.00 2.67 0.04 0.03 18.62 Average: 6 71.47 0.00 3.03 0.14 0.03 25.33 Average: 7 76.43 0.00 3.14 0.15 0.04 20.25