---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8799 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 769 5120 4 2354 7172 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:4b:0e:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80679sec preferred_lft 80679sec inet6 fe80::f816:3eff:fe4b:ec7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8799) 09/17/26 _x86_64_ (2 CPU) 01:03:23 LINUX RESTART (2 CPU) 01:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.18 0.01 1.17 0.01 0.07 14.88 0.64 01:30:03 1.44 0.01 1.39 0.03 1.65 18.17 220.73 01:40:03 14.37 0.00 1.14 13.23 0.15 14.91 109062.97 01:50:02 1.12 0.00 1.11 0.02 0.00 14.05 2.19 02:00:03 2.07 0.33 1.71 0.03 43.41 107.55 462.07 02:10:03 1.25 0.00 1.24 0.01 0.00 15.28 29.84 02:20:03 1.22 0.00 1.22 0.00 0.00 14.99 0.00 02:30:03 1.42 0.00 1.41 0.01 0.00 18.00 852.99 Average: 3.01 0.04 1.30 1.67 5.67 27.25 13829.08 01:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6273936 7521648 298776 3.67 30648 1423728 532432 5.80 447996 1184292 252 01:30:03 6284128 7532896 287420 3.53 30848 1424556 532688 5.80 448360 1184880 184 01:40:03 6286928 7536280 283956 3.49 31064 1424920 532688 5.80 446088 1185432 244 01:50:02 6286676 7536648 283552 3.49 31252 1425380 532752 5.80 446392 1185920 268 02:00:03 6229108 7519160 300128 3.69 31928 1464220 734492 8.00 464432 1215380 320 02:10:03 6229108 7519676 299600 3.68 32096 1464552 734556 8.00 464848 1215884 220 02:20:03 6229108 7520152 299140 3.68 32240 1464876 734564 8.00 464868 1216352 196 02:30:03 6230808 7522356 296928 3.65 32408 1465208 736192 8.02 466212 1216852 208 Average: 6256225 7526102 293688 3.61 31560 1444680 633796 6.90 456150 1200624 236 01:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.82 0.08 0.12 0.05 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.65 0.15 1.00 0.07 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.55 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 0.19 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:03 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.50 0.28 3.33 0.05 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.21 0.10 0.04 0.51 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.17 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.25 0.05 0.06 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.42 0.10 0.59 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8799) 09/17/26 _x86_64_ (2 CPU) 01:03:23 LINUX RESTART (2 CPU) 01:10:03 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.28 0.00 0.12 0.01 0.00 99.59 01:20:01 0 0.10 0.00 0.13 0.01 0.01 99.76 01:20:01 1 0.46 0.00 0.10 0.01 0.00 99.42 01:30:03 all 0.34 0.00 0.20 0.01 0.00 99.45 01:30:03 0 0.13 0.00 0.23 0.00 0.00 99.64 01:30:03 1 0.55 0.00 0.17 0.02 0.00 99.26 01:40:03 all 0.26 0.00 0.11 0.04 0.00 99.58 01:40:03 0 0.41 0.00 0.10 0.01 0.00 99.48 01:40:03 1 0.12 0.00 0.13 0.08 0.00 99.68 01:50:02 all 0.26 0.00 0.09 0.02 0.01 99.63 01:50:02 0 0.46 0.00 0.07 0.00 0.00 99.46 01:50:02 1 0.06 0.00 0.11 0.03 0.01 99.80 02:00:03 all 0.44 0.00 0.23 0.04 0.00 99.29 02:00:03 0 0.52 0.00 0.17 0.01 0.00 99.29 02:00:03 1 0.36 0.00 0.28 0.06 0.01 99.29 02:10:03 all 0.27 0.00 0.08 0.01 0.00 99.63 02:10:03 0 0.41 0.00 0.05 0.00 0.00 99.54 02:10:03 1 0.14 0.00 0.12 0.03 0.00 99.71 02:20:03 all 0.26 0.00 0.09 0.02 0.00 99.63 02:20:03 0 0.05 0.00 0.11 0.01 0.00 99.84 02:20:03 1 0.48 0.00 0.07 0.02 0.00 99.43 02:30:03 all 0.29 0.00 0.18 0.02 0.00 99.51 02:30:03 0 0.08 0.00 0.20 0.02 0.00 99.70 02:30:03 1 0.50 0.00 0.16 0.02 0.00 99.33 Average: all 0.30 0.00 0.14 0.02 0.00 99.54 Average: 0 0.27 0.00 0.13 0.01 0.00 99.59 Average: 1 0.33 0.00 0.14 0.03 0.00 99.49