---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38221 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 772 5183 4 2278 7169 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:b8:45:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83742sec preferred_lft 83742sec inet6 fe80::f816:3eff:feb8:45ba/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-38221) 08/17/26 _x86_64_ (2 CPU) 00:40:50 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 42.01 3.51 23.01 15.48 316.61 3544.66 108861.84 01:10:06 1.35 0.00 1.33 0.02 0.00 16.16 1.73 01:20:01 1.20 0.00 1.19 0.00 0.01 14.69 0.35 Average: 14.97 1.18 8.57 5.21 106.45 1201.93 36599.17 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 5191040 7403712 363424 4.47 86276 2286228 621528 6.77 595328 2048424 220 01:10:06 5196960 7410100 357116 4.39 86440 2286580 621916 6.77 595612 2048940 216 01:20:01 5195448 7409088 358128 4.40 86584 2286936 621940 6.77 595796 2049440 172 Average: 5194483 7407633 359556 4.42 86433 2286581 621795 6.77 595579 2048935 203 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 01:00:06 ens3 67.82 45.61 320.68 11.24 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 4.11 0.67 1.89 0.28 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.96 0.22 0.18 0.08 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 24.49 15.63 108.50 3.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38221) 08/17/26 _x86_64_ (2 CPU) 00:40:50 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 11.86 0.00 1.87 0.60 0.06 85.60 01:00:06 0 13.21 0.00 2.06 0.53 0.07 84.14 01:00:06 1 10.51 0.00 1.68 0.68 0.06 87.07 01:10:06 all 0.39 0.00 0.13 0.01 0.07 99.41 01:10:06 0 0.28 0.00 0.18 0.01 0.10 99.43 01:10:06 1 0.49 0.00 0.07 0.02 0.04 99.38 01:20:01 all 0.37 0.00 0.12 0.01 0.07 99.43 01:20:01 0 0.37 0.00 0.13 0.00 0.06 99.44 01:20:01 1 0.37 0.00 0.12 0.01 0.07 99.42 Average: all 4.24 0.00 0.71 0.21 0.07 94.77 Average: 0 4.66 0.00 0.80 0.18 0.08 94.28 Average: 1 3.82 0.00 0.63 0.24 0.06 95.26