---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38615 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 8.1G 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 783 5093 4 2357 7158 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:41:de:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83958sec preferred_lft 83958sec inet6 fe80::f816:3eff:fe41:ded1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38615) 08/19/26 _x86_64_ (2 CPU) 00:40:16 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 26.23 2.83 21.05 2.34 224.90 3445.23 633.30 01:10:00 15.97 0.01 1.82 14.14 0.63 72.13 106405.86 01:20:00 3.27 0.04 2.38 0.85 1.39 203.05 1755.17 Average: 15.15 0.96 8.41 5.78 75.59 1239.38 36285.19 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 5203572 7412944 353984 4.35 86232 2283080 573016 6.24 566172 2044164 2560 01:10:00 5150136 7372408 394400 4.85 86432 2295904 669744 7.29 618064 2057164 388 01:20:00 5226168 7330848 444608 5.47 87784 2184636 664940 7.24 653288 1947088 64972 Average: 5193292 7372067 397664 4.89 86816 2254540 635900 6.93 612508 2016139 22640 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:00 ens3 57.78 38.73 319.57 10.12 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 43.79 35.78 9.02 4.73 0.00 0.00 0.00 0.00 01:20:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 55.40 51.24 27.58 19.45 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 52.32 41.92 118.65 11.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38615) 08/19/26 _x86_64_ (2 CPU) 00:40:16 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 12.03 0.00 1.92 0.53 0.06 85.46 01:00:00 0 12.70 0.00 1.96 0.56 0.05 84.73 01:00:00 1 11.36 0.00 1.87 0.50 0.07 86.20 01:10:00 all 4.90 0.00 0.53 0.04 0.06 94.47 01:10:00 0 5.34 0.00 0.57 0.05 0.07 93.97 01:10:00 1 4.47 0.00 0.50 0.02 0.05 94.97 01:20:00 all 9.61 0.00 0.73 0.05 0.07 89.54 01:20:00 0 7.03 0.00 0.71 0.09 0.06 92.11 01:20:00 1 12.20 0.00 0.75 0.01 0.08 86.96 Average: all 8.87 0.00 1.06 0.21 0.06 89.79 Average: 0 8.39 0.00 1.09 0.24 0.06 90.23 Average: 1 9.36 0.00 1.04 0.18 0.07 89.36