---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7853 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: 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: 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 778 5166 4 2291 7163 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:2b:d8:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80689sec preferred_lft 80689sec inet6 fe80::f816:3eff:fe2b:d8dd/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-7853) 09/13/26 _x86_64_ (2 CPU) 01:03:48 LINUX RESTART (2 CPU) 01:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:20 1.19 0.01 1.17 0.01 0.07 15.10 0.12 01:30:05 1.45 0.03 1.39 0.03 2.20 17.76 6.34 01:40:05 1.31 0.00 1.30 0.02 0.00 15.75 0.13 01:50:20 1.33 0.00 1.32 0.02 0.00 15.97 0.13 02:00:20 2.21 0.33 1.85 0.04 43.49 108.55 456.55 02:10:20 14.63 0.00 1.40 13.23 0.15 16.49 109002.89 02:20:05 1.44 0.00 1.44 0.00 0.00 16.94 0.00 02:30:20 1.50 0.00 1.49 0.01 0.00 18.02 415.61 Average: 3.13 0.05 1.42 1.67 5.72 28.05 13720.35 01:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:20 6296172 7543696 276444 3.40 30668 1423712 527016 5.74 448524 1184212 220 01:30:05 6287560 7536304 283872 3.49 30884 1424676 527080 5.74 446132 1184832 208 01:40:05 6295152 7544580 275588 3.39 31100 1425136 527220 5.74 446368 1185380 260 01:50:20 6294396 7544348 275820 3.39 31292 1425464 527288 5.74 446580 1185900 168 02:00:20 6223008 7513116 305896 3.76 31972 1464416 728964 7.94 464892 1215320 168 02:10:20 6230596 7521276 297680 3.66 32152 1464796 728972 7.94 464984 1215844 296 02:20:05 6239364 7530544 288404 3.55 32320 1465112 729020 7.94 465152 1216336 268 02:30:20 6246792 7538472 280452 3.45 32480 1465440 728972 7.94 465080 1216824 248 Average: 6264130 7534042 285520 3.51 31608 1444844 628066 6.84 455964 1200581 230 01:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 0.70 0.07 0.12 0.05 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.55 0.09 0.64 0.04 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.59 0.09 0.11 0.05 0.00 0.00 0.00 0.00 01:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:20 ens3 0.48 0.16 0.05 0.44 0.00 0.00 0.00 0.00 02:00:20 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:20 ens3 0.60 0.22 3.33 0.05 0.00 0.00 0.00 0.00 02:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:20 ens3 0.30 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.30 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.29 0.02 0.03 0.01 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 0.48 0.09 0.54 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7853) 09/13/26 _x86_64_ (2 CPU) 01:03:48 LINUX RESTART (2 CPU) 01:10:15 CPU %user %nice %system %iowait %steal %idle 01:20:20 all 0.25 0.00 0.11 0.01 0.00 99.62 01:20:20 0 0.07 0.00 0.14 0.01 0.00 99.77 01:20:20 1 0.43 0.00 0.08 0.01 0.00 99.48 01:30:05 all 0.33 0.00 0.19 0.01 0.01 99.46 01:30:05 0 0.49 0.00 0.16 0.02 0.01 99.32 01:30:05 1 0.18 0.00 0.21 0.01 0.01 99.61 01:40:05 all 0.25 0.00 0.10 0.01 0.01 99.63 01:40:05 0 0.39 0.00 0.08 0.02 0.01 99.51 01:40:05 1 0.12 0.00 0.12 0.00 0.01 99.75 01:50:20 all 0.27 0.00 0.10 0.01 0.00 99.61 01:50:20 0 0.09 0.00 0.12 0.02 0.00 99.77 01:50:20 1 0.46 0.00 0.08 0.01 0.00 99.45 02:00:20 all 0.39 0.00 0.23 0.03 0.01 99.35 02:00:20 0 0.32 0.00 0.23 0.04 0.01 99.40 02:00:20 1 0.46 0.00 0.22 0.02 0.00 99.30 02:10:20 all 0.27 0.00 0.09 0.04 0.01 99.59 02:10:20 0 0.05 0.00 0.10 0.07 0.01 99.77 02:10:20 1 0.50 0.00 0.08 0.02 0.00 99.41 02:20:05 all 0.26 0.00 0.09 0.02 0.00 99.63 02:20:05 0 0.07 0.00 0.09 0.04 0.01 99.80 02:20:05 1 0.46 0.00 0.08 0.00 0.00 99.45 02:30:20 all 0.27 0.00 0.18 0.03 0.01 99.51 02:30:20 0 0.17 0.00 0.18 0.05 0.01 99.59 02:30:20 1 0.37 0.00 0.18 0.00 0.01 99.43 Average: all 0.29 0.00 0.14 0.02 0.01 99.55 Average: 0 0.20 0.00 0.14 0.03 0.01 99.62 Average: 1 0.37 0.00 0.13 0.01 0.00 99.48