---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-4983 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): 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 1016K 1.6G 1% /run /dev/vda1 78G 8.9G 69G 12% / 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 581 11992 4 3415 15064 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:20:38:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.117/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82948sec preferred_lft 82948sec inet6 fe80::f816:3eff:fe20:38c6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-builder-4c-4g-4983) 11/02/26 _x86_64_ (4 CPU) 10:10:45 LINUX RESTART (4 CPU) 10:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:22 1.38 0.17 1.21 0.00 4.54 15.19 0.14 10:40:26 1.07 0.00 1.07 0.00 0.00 13.01 0.00 10:50:01 1.06 0.00 1.06 0.00 0.00 12.63 0.00 11:00:26 1.09 0.00 1.09 0.00 0.00 13.62 0.00 Average: 1.15 0.04 1.11 0.00 1.16 13.64 0.04 10:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:22 13900496 15533400 491616 3.00 52328 1809404 838012 4.81 174408 2067052 20 10:40:26 13899992 15533320 491748 3.00 52736 1809420 838140 4.81 174820 2067436 24 10:50:01 13897724 15531536 493444 3.01 53104 1809556 839936 4.82 175156 2068496 200 11:00:26 13896212 15530532 494324 3.02 53552 1809568 838284 4.81 175632 2071196 184 Average: 13898606 15532197 492783 3.01 52930 1809487 838593 4.81 175004 2068545 107 10:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:22 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:22 ens3 1.14 0.89 0.72 0.71 0.00 0.00 0.00 0.00 10:40:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:40:26 ens3 0.33 0.25 0.14 0.29 0.00 0.00 0.00 0.00 10:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:50:01 ens3 0.24 0.21 0.09 0.21 0.00 0.00 0.00 0.00 11:00:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:26 ens3 1.14 1.53 0.25 2.05 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.72 0.73 0.31 0.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-builder-4c-4g-4983) 11/02/26 _x86_64_ (4 CPU) 10:10:45 LINUX RESTART (4 CPU) 10:20:00 CPU %user %nice %system %iowait %steal %idle 10:30:22 all 0.13 0.00 0.02 0.01 0.00 99.84 10:30:22 0 0.26 0.00 0.02 0.00 0.00 99.71 10:30:22 1 0.14 0.00 0.02 0.00 0.00 99.84 10:30:22 2 0.06 0.00 0.02 0.03 0.00 99.89 10:30:22 3 0.06 0.00 0.02 0.00 0.00 99.91 10:40:26 all 0.23 0.00 0.02 0.01 0.00 99.74 10:40:26 0 0.87 0.00 0.01 0.00 0.00 99.12 10:40:26 1 0.02 0.00 0.04 0.01 0.00 99.93 10:40:26 2 0.01 0.00 0.01 0.03 0.00 99.96 10:40:26 3 0.01 0.00 0.01 0.00 0.00 99.97 10:50:01 all 0.32 0.00 0.02 0.01 0.00 99.66 10:50:01 0 1.22 0.00 0.03 0.00 0.00 98.75 10:50:01 1 0.01 0.00 0.02 0.01 0.00 99.95 10:50:01 2 0.01 0.00 0.01 0.01 0.00 99.98 10:50:01 3 0.03 0.00 0.01 0.02 0.00 99.94 11:00:26 all 0.12 0.00 0.01 0.01 0.00 99.86 11:00:26 0 0.17 0.00 0.03 0.00 0.00 99.80 11:00:26 1 0.25 0.00 0.01 0.00 0.00 99.73 11:00:26 2 0.02 0.00 0.01 0.00 0.00 99.97 11:00:26 3 0.05 0.00 0.01 0.02 0.00 99.92 Average: all 0.20 0.00 0.02 0.01 0.00 99.78 Average: 0 0.62 0.00 0.02 0.00 0.00 99.36 Average: 1 0.11 0.00 0.02 0.00 0.00 99.86 Average: 2 0.02 0.00 0.01 0.02 0.00 99.95 Average: 3 0.04 0.00 0.01 0.01 0.00 99.94