---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-40285 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 8.2G 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 789 4979 4 2466 7152 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:98:85:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83888sec preferred_lft 83888sec inet6 fe80::f816:3eff:fe98:8564/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-40285) 08/23/26 _x86_64_ (2 CPU) 01:41:29 LINUX RESTART (2 CPU) 01:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 15.29 0.01 1.70 13.58 0.20 20.68 111965.31 02:10:01 17.62 2.30 14.38 0.94 209.92 2365.57 360.06 02:20:06 12.98 1.24 10.27 1.46 109.04 1556.19 908.38 Average: 15.29 1.19 8.84 5.25 107.25 1325.18 37058.78 01:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6273024 7524920 295940 3.64 31128 1426632 521304 5.68 446988 1188636 236 02:10:01 5402064 7349504 430964 5.30 71156 2047712 668124 7.28 619464 1822384 47016 02:20:06 5013616 7318356 429648 5.28 86480 2375708 700140 7.63 656772 2136872 452 Average: 5562901 7397593 385517 4.74 62921 1950017 629856 6.86 574408 1715964 15901 01:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.36 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:10:01 ens3 40.05 25.83 284.27 6.27 0.00 0.00 0.00 0.00 02:20:06 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:20:06 ens3 55.12 44.26 143.19 10.20 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 32.15 23.61 143.65 5.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-40285) 08/23/26 _x86_64_ (2 CPU) 01:41:29 LINUX RESTART (2 CPU) 01:50:16 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.29 0.00 0.19 0.08 0.03 99.42 02:00:01 0 0.07 0.00 0.17 0.03 0.03 99.69 02:00:01 1 0.50 0.00 0.20 0.12 0.03 99.16 02:10:01 all 6.44 0.00 1.00 1.08 0.04 91.43 02:10:01 0 5.00 0.00 0.88 0.82 0.05 93.25 02:10:01 1 7.88 0.00 1.12 1.34 0.04 89.62 02:20:06 all 11.66 0.00 1.17 0.43 0.07 86.66 02:20:06 0 7.04 0.00 1.13 0.42 0.07 91.35 02:20:06 1 16.28 0.00 1.22 0.44 0.08 81.98 Average: all 6.19 0.00 0.79 0.53 0.05 92.44 Average: 0 4.08 0.00 0.73 0.43 0.05 94.71 Average: 1 8.30 0.00 0.85 0.64 0.05 90.17