---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-5774 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: 5600.00 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 7.9G 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 739 5309 4 2181 7202 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:56:12:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82151sec preferred_lft 82151sec inet6 fe80::f816:3eff:fe56:12fe/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-5774) 03/19/26 _x86_64_ (2 CPU) 04:33:36 LINUX RESTART (2 CPU) 04:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:01 1.49 0.01 1.46 0.02 1.11 17.47 1.14 05:00:02 14.13 0.00 1.58 12.55 0.15 19.83 109822.01 05:10:01 1.34 0.00 1.32 0.02 0.00 16.05 1.09 05:20:01 1.32 0.00 1.30 0.02 0.01 15.94 1.21 05:30:02 1.59 0.00 1.56 0.03 0.00 19.84 871.15 05:40:01 21.52 3.02 16.28 2.23 228.16 2704.66 999.40 Average: 6.90 0.50 3.91 2.48 38.16 464.76 18654.80 04:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:01 6253620 7533232 286608 3.52 30920 1453924 524284 5.71 451624 1203952 160 05:00:02 6253760 7534004 285632 3.51 31144 1454300 524484 5.71 451904 1204520 276 05:10:01 6261572 7542372 277260 3.41 31364 1454624 524652 5.71 452060 1205068 160 05:20:01 6261572 7542908 276716 3.40 31564 1454948 524648 5.71 452176 1205592 180 05:30:02 6266612 7548636 270972 3.33 31784 1455404 524648 5.71 452396 1206140 124 05:40:01 5352384 7460500 310948 3.82 84992 2187164 554584 6.04 554188 1945576 108116 Average: 6108253 7526942 284689 3.50 40295 1576727 529550 5.77 469058 1328475 18169 04:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:01 ens3 0.77 0.09 0.13 0.05 0.00 0.00 0.00 0.00 05:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:02 ens3 0.57 0.06 2.71 0.05 0.00 0.00 0.00 0.00 05:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:01 ens3 0.57 0.05 0.86 0.03 0.00 0.00 0.00 0.00 05:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 0.24 0.06 0.07 0.03 0.00 0.00 0.00 0.00 05:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:02 ens3 0.21 0.05 0.07 0.03 0.00 0.00 0.00 0.00 05:40:01 lo 1.30 1.30 0.10 0.10 0.00 0.00 0.00 0.00 05:40:01 ens3 62.38 42.21 295.96 11.23 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 10.77 7.07 49.87 1.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-5774) 03/19/26 _x86_64_ (2 CPU) 04:33:36 LINUX RESTART (2 CPU) 04:40:02 CPU %user %nice %system %iowait %steal %idle 04:50:01 all 0.23 0.00 0.08 0.01 0.04 99.63 04:50:01 0 0.06 0.00 0.09 0.02 0.05 99.78 04:50:01 1 0.41 0.00 0.07 0.01 0.04 99.48 05:00:02 all 0.29 0.00 0.18 0.03 0.04 99.46 05:00:02 0 0.16 0.00 0.20 0.04 0.04 99.55 05:00:02 1 0.41 0.00 0.17 0.02 0.03 99.37 05:10:01 all 0.24 0.00 0.07 0.02 0.04 99.64 05:10:01 0 0.42 0.00 0.06 0.01 0.03 99.48 05:10:01 1 0.05 0.00 0.08 0.02 0.05 99.80 05:20:01 all 0.20 0.00 0.07 0.02 0.04 99.67 05:20:01 0 0.31 0.00 0.07 0.01 0.04 99.58 05:20:01 1 0.10 0.00 0.07 0.02 0.04 99.77 05:30:02 all 0.27 0.00 0.16 0.01 0.04 99.52 05:30:02 0 0.12 0.00 0.17 0.01 0.04 99.66 05:30:02 1 0.43 0.00 0.16 0.01 0.04 99.37 05:40:01 all 10.42 0.00 1.59 0.54 0.05 87.40 05:40:01 0 9.08 0.00 1.46 0.45 0.05 88.96 05:40:01 1 11.76 0.00 1.73 0.63 0.05 85.83 Average: all 1.94 0.00 0.36 0.10 0.04 97.56 Average: 0 1.69 0.00 0.34 0.09 0.04 97.84 Average: 1 2.19 0.00 0.38 0.12 0.04 97.28