---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38466 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: 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 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 738 5221 4 2275 7203 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:fc:fb:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83697sec preferred_lft 83697sec inet6 fe80::f816:3eff:fefc:fbc1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38466) 08/18/26 _x86_64_ (2 CPU) 01:09:49 LINUX RESTART (2 CPU) 01:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:10 6.54 3.13 3.34 0.06 364.33 2318.66 214.28 01:30:10 15.94 0.72 1.94 13.29 94.33 80.09 109766.78 01:40:01 1.38 0.01 1.35 0.02 1.07 16.11 23.49 01:50:10 17.48 1.56 14.98 0.93 113.08 2215.83 237.96 Average: 10.38 1.37 5.45 3.56 144.54 1170.75 27447.17 01:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:10 6293780 7539456 282044 3.47 30940 1420460 528960 5.76 442088 1183912 144 01:30:10 6233504 7508732 311816 3.83 31436 1449100 718396 7.82 464384 1202704 172 01:40:01 6246968 7523052 297564 3.66 31640 1449736 531832 5.79 458460 1203236 252 01:50:10 5438052 7380112 400524 4.92 71296 2041984 639764 6.97 595156 1818412 45384 Average: 6053076 7487838 322987 3.97 41328 1590320 604738 6.59 490022 1352066 11488 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 13.74 6.60 36.35 1.76 0.00 0.00 0.00 0.00 01:30:10 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.62 0.27 3.34 0.07 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.29 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:50:10 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:10 ens3 36.97 23.77 276.66 6.18 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 13.05 7.76 79.96 2.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38466) 08/18/26 _x86_64_ (2 CPU) 01:09:49 LINUX RESTART (2 CPU) 01:10:00 CPU %user %nice %system %iowait %steal %idle 01:20:10 all 0.70 0.00 0.39 0.52 0.05 98.35 01:20:10 0 0.63 0.00 0.33 0.83 0.06 98.15 01:20:10 1 0.77 0.00 0.44 0.20 0.04 98.55 01:30:10 all 0.43 0.00 0.22 0.06 0.05 99.24 01:30:10 0 0.45 0.00 0.23 0.09 0.05 99.18 01:30:10 1 0.42 0.00 0.21 0.03 0.04 99.30 01:40:01 all 0.17 0.00 0.07 0.01 0.04 99.70 01:40:01 0 0.30 0.00 0.06 0.02 0.04 99.59 01:40:01 1 0.05 0.00 0.09 0.00 0.05 99.82 01:50:10 all 6.11 0.00 0.96 0.45 0.06 92.42 01:50:10 0 9.02 0.00 1.01 0.40 0.05 89.52 01:50:10 1 3.18 0.00 0.92 0.50 0.07 95.33 Average: all 1.87 0.00 0.41 0.26 0.05 97.40 Average: 0 2.62 0.00 0.41 0.34 0.05 96.58 Average: 1 1.12 0.00 0.42 0.18 0.05 98.23