---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-40318 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 799 4959 4 2483 7142 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:36:f5:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83725sec preferred_lft 83725sec inet6 fe80::f816:3eff:fe36:f57a/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-40318) 08/23/26 _x86_64_ (2 CPU) 02:15:16 LINUX RESTART (2 CPU) 02:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:03 9.96 1.22 7.70 1.04 106.64 1069.03 248.13 02:40:04 1.25 0.01 1.24 0.00 0.05 23.06 0.17 02:50:01 1.22 0.00 1.22 0.00 0.00 16.93 0.00 Average: 4.15 0.41 3.39 0.35 35.61 370.14 82.88 02:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:03 5191384 7376860 391200 4.81 86000 2259932 660284 7.19 603052 2032796 172 02:40:04 5187364 7375728 392036 4.82 86164 2262612 662556 7.22 608396 2035636 344 02:50:01 5186860 7376132 391664 4.82 86304 2263372 662556 7.22 608392 2036540 240 Average: 5188536 7376240 391633 4.82 86156 2261972 661799 7.21 606613 2034991 252 02:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:03 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:30:03 ens3 6.47 4.54 35.11 1.22 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 7.67 4.61 4.35 6.34 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.83 0.30 0.20 0.12 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.00 3.16 13.24 2.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-40318) 08/23/26 _x86_64_ (2 CPU) 02:15:16 LINUX RESTART (2 CPU) 02:20:02 CPU %user %nice %system %iowait %steal %idle 02:30:03 all 4.98 0.00 0.87 0.17 0.10 93.89 02:30:03 0 4.76 0.00 0.85 0.16 0.07 94.15 02:30:03 1 5.19 0.00 0.88 0.17 0.13 93.62 02:40:04 all 1.25 0.00 0.18 0.03 0.10 98.45 02:40:04 0 0.77 0.00 0.16 0.03 0.07 98.97 02:40:04 1 1.72 0.00 0.20 0.03 0.13 97.92 02:50:01 all 0.85 0.00 0.13 0.06 0.08 98.88 02:50:01 0 0.56 0.00 0.10 0.04 0.05 99.25 02:50:01 1 1.13 0.00 0.15 0.08 0.12 98.52 Average: all 2.36 0.00 0.39 0.09 0.09 97.07 Average: 0 2.03 0.00 0.37 0.08 0.06 97.46 Average: 1 2.69 0.00 0.41 0.09 0.13 96.68