---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22399 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 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 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 21% / 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 811 5151 4 2270 7130 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:a8:b6:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81943sec preferred_lft 81943sec inet6 fe80::f816:3eff:fea8:b63f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22399) 06/02/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:17 1.53 0.01 1.51 0.01 0.05 17.84 424.97 01:10:00 1.94 0.26 1.65 0.03 32.98 76.27 1.35 01:20:01 13.93 0.00 1.39 12.53 0.16 15.93 109026.99 01:30:01 1.54 0.00 1.54 0.01 0.00 18.49 0.31 01:40:02 1.38 0.00 1.38 0.00 0.00 15.87 0.00 01:50:01 24.15 3.03 18.80 2.32 228.33 3492.28 1378.20 Average: 7.41 0.55 4.37 2.49 43.39 605.24 18491.91 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:17 6271704 7518672 301620 3.71 30672 1422176 537280 5.85 460408 1183536 160 01:10:00 6218716 7492680 327152 4.02 31064 1448432 537528 5.85 469708 1201108 124 01:20:01 6217728 7492260 327540 4.03 31240 1448812 537576 5.86 470048 1201636 136 01:30:01 6224360 7499432 320348 3.94 31432 1449140 537584 5.86 469940 1202156 176 01:40:02 6224360 7500056 319688 3.93 31600 1449592 537712 5.86 470844 1202648 124 01:50:01 5169184 7365440 402236 4.95 86332 2270856 667480 7.27 632580 2033088 1424 Average: 6054342 7478090 333097 4.10 40390 1581501 559193 6.09 495588 1337362 357 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 0.66 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.91 0.27 8.24 0.08 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 0.51 0.07 0.12 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.46 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.70 0.26 0.22 0.77 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 93.40 63.14 322.94 15.45 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.09 10.63 55.18 2.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22399) 06/02/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:17 all 0.27 0.00 0.16 0.01 0.03 99.54 01:00:17 0 0.21 0.00 0.15 0.01 0.02 99.61 01:00:17 1 0.33 0.00 0.17 0.01 0.03 99.47 01:10:00 all 0.39 0.00 0.10 0.02 0.02 99.47 01:10:00 0 0.37 0.00 0.13 0.03 0.02 99.45 01:10:00 1 0.40 0.00 0.07 0.01 0.02 99.49 01:20:01 all 0.25 0.00 0.09 0.16 0.02 99.48 01:20:01 0 0.06 0.00 0.09 0.01 0.03 99.81 01:20:01 1 0.45 0.00 0.09 0.30 0.02 99.14 01:30:01 all 0.29 0.00 0.17 0.01 0.03 99.50 01:30:01 0 0.16 0.00 0.19 0.01 0.04 99.59 01:30:01 1 0.42 0.00 0.14 0.01 0.02 99.41 01:40:02 all 0.29 0.00 0.08 0.01 0.02 99.60 01:40:02 0 0.08 0.00 0.09 0.00 0.03 99.80 01:40:02 1 0.50 0.00 0.06 0.01 0.02 99.41 01:50:01 all 14.49 0.00 1.97 0.86 0.07 82.60 01:50:01 0 12.51 0.00 1.94 0.63 0.07 84.85 01:50:01 1 16.48 0.00 2.00 1.09 0.07 80.36 Average: all 2.66 0.00 0.43 0.18 0.03 96.71 Average: 0 2.23 0.00 0.43 0.12 0.03 97.19 Average: 1 3.09 0.00 0.42 0.24 0.03 96.22