---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-41037 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 761 5004 4 2477 7180 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:52:2d:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83712sec preferred_lft 83712sec inet6 fe80::f816:3eff:fe52:2d6f/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-41037) 08/26/26 _x86_64_ (2 CPU) 00:57:28 LINUX RESTART (2 CPU) 01:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:09 21.17 1.66 17.57 1.95 130.73 2803.77 285.03 01:20:01 2.23 0.73 1.49 0.02 96.53 79.37 57.27 01:30:09 15.66 0.00 1.65 14.01 0.14 22.69 105031.49 01:40:09 1.37 0.00 1.33 0.03 0.00 17.60 1.00 Average: 10.15 0.60 5.51 4.05 56.54 730.67 26686.39 01:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:09 5235728 7417568 349872 4.30 86688 2256344 612740 6.67 574004 2028308 168 01:20:01 5167288 7379484 387236 4.76 87116 2286156 613828 6.69 586364 2047928 316 01:30:09 5169312 7382700 383768 4.72 87308 2287128 613892 6.69 586672 2049064 124 01:40:09 5169948 7384188 382284 4.70 87508 2287780 614056 6.69 587168 2049916 152 Average: 5185569 7390985 375790 4.62 87155 2279352 613629 6.68 583552 2043804 190 01:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:09 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 01:10:09 ens3 17.92 12.46 154.19 2.51 0.00 0.00 0.00 0.00 01:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.61 0.77 3.53 0.17 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 1.11 0.43 3.79 0.15 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 0.79 0.21 0.63 0.07 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 5.36 3.47 40.54 0.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41037) 08/26/26 _x86_64_ (2 CPU) 00:57:28 LINUX RESTART (2 CPU) 01:00:09 CPU %user %nice %system %iowait %steal %idle 01:10:09 all 9.00 0.00 1.30 0.45 0.07 89.18 01:10:09 0 11.96 0.00 1.53 0.51 0.08 85.93 01:10:09 1 6.03 0.00 1.08 0.39 0.07 92.43 01:20:01 all 1.08 0.00 0.18 0.03 0.06 98.64 01:20:01 0 0.78 0.00 0.16 0.02 0.04 99.00 01:20:01 1 1.38 0.00 0.21 0.04 0.09 98.29 01:30:09 all 0.95 0.00 0.23 0.04 0.07 98.72 01:30:09 0 0.93 0.00 0.22 0.06 0.08 98.71 01:30:09 1 0.96 0.00 0.24 0.01 0.06 98.72 01:40:09 all 0.81 0.00 0.12 0.01 0.07 98.98 01:40:09 0 1.16 0.00 0.14 0.01 0.10 98.60 01:40:09 1 0.47 0.00 0.11 0.01 0.05 99.37 Average: all 2.96 0.00 0.46 0.13 0.07 96.38 Average: 0 3.71 0.00 0.51 0.15 0.07 95.56 Average: 1 2.21 0.00 0.41 0.11 0.07 97.20