---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38456 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 nrip_save 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 766 5189 4 2278 7175 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:d8:ed:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83631sec preferred_lft 83631sec inet6 fe80::f816:3eff:fed8:edae/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38456) 08/18/26 _x86_64_ (2 CPU) 01:09:24 LINUX RESTART (2 CPU) 01:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:10 5.16 2.93 2.20 0.04 362.72 112.11 616.71 01:30:11 2.37 0.71 1.63 0.03 94.02 77.21 495.88 01:40:11 1.25 0.01 1.23 0.02 1.05 14.57 23.13 01:50:11 15.55 1.58 13.02 0.94 114.72 2246.04 237.85 Average: 6.08 1.31 4.51 0.25 144.02 610.48 344.60 01:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:10 6296076 7542060 279156 3.43 30880 1420852 530264 5.78 444396 1183912 180 01:30:11 6242172 7517628 302944 3.73 31384 1449436 717144 7.81 461364 1202668 168 01:40:11 6257348 7533672 286924 3.53 31576 1450084 530648 5.78 455684 1203212 184 01:50:11 5426800 7369260 411584 5.06 71416 2042336 665552 7.25 621712 1818576 45580 Average: 6055599 7490655 320152 3.94 41314 1590677 610902 6.65 495789 1352092 11528 01:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:10 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 15.95 6.61 36.02 1.82 0.00 0.00 0.00 0.00 01:30:11 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.99 0.58 3.35 0.09 0.00 0.00 0.00 0.00 01:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 0.39 0.20 0.08 0.46 0.00 0.00 0.00 0.00 01:50:11 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:11 ens3 42.06 25.49 281.01 5.98 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.85 8.21 79.94 2.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38456) 08/18/26 _x86_64_ (2 CPU) 01:09:24 LINUX RESTART (2 CPU) 01:10:00 CPU %user %nice %system %iowait %steal %idle 01:20:10 all 0.68 0.00 0.28 0.07 0.05 98.93 01:20:10 0 0.77 0.00 0.27 0.05 0.04 98.87 01:20:10 1 0.58 0.00 0.28 0.10 0.05 98.98 01:30:11 all 0.36 0.00 0.19 0.03 0.04 99.37 01:30:11 0 0.42 0.00 0.15 0.04 0.04 99.34 01:30:11 1 0.30 0.00 0.23 0.02 0.05 99.41 01:40:11 all 0.26 0.00 0.07 0.01 0.04 99.61 01:40:11 0 0.46 0.00 0.05 0.02 0.03 99.44 01:40:11 1 0.06 0.00 0.09 0.00 0.05 99.79 01:50:11 all 6.12 0.00 0.92 0.34 0.05 92.56 01:50:11 0 3.08 0.00 0.71 0.25 0.07 95.90 01:50:11 1 9.16 0.00 1.13 0.44 0.04 89.23 Average: all 1.85 0.00 0.36 0.11 0.05 97.63 Average: 0 1.18 0.00 0.29 0.09 0.04 98.39 Average: 1 2.52 0.00 0.43 0.14 0.05 96.86