---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6908 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: 5599.86 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 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 831 5120 4 2279 7110 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:59:af:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83412sec preferred_lft 83412sec inet6 fe80::f816:3eff:fe59:af08/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6908) 04/23/26 _x86_64_ (2 CPU) 02:57:31 LINUX RESTART (2 CPU) 03:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:12 10.93 1.29 8.37 1.27 111.86 1159.67 472.00 03:20:01 1.25 0.01 1.23 0.01 0.07 99.74 0.45 03:30:12 1.59 0.00 1.57 0.02 0.20 85.72 0.62 03:40:12 1.21 0.00 1.21 0.00 0.00 27.28 0.04 Average: 3.75 0.33 3.10 0.33 28.03 343.05 118.28 03:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:12 5307888 7402704 369388 4.54 84160 2175136 673152 7.33 598824 1944588 140 03:20:01 5244092 7366404 405368 4.98 84328 2202460 708080 7.71 634340 1972036 2352 03:30:12 5212328 7353580 417884 5.14 84484 2220928 685480 7.47 635728 1990704 124 03:40:12 5211328 7356824 414596 5.10 84620 2224976 685480 7.47 635784 1994896 136 Average: 5243909 7369878 401809 4.94 84398 2205875 688048 7.49 626169 1975556 688 03:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:12 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:12 ens3 96.41 77.96 55.36 13.20 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 14.44 14.64 12.83 1.20 0.00 0.00 0.00 0.00 03:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:12 ens3 14.40 14.30 9.62 1.26 0.00 0.00 0.00 0.00 03:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:12 ens3 25.55 25.25 5.30 1.77 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 37.70 33.04 20.77 4.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6908) 04/23/26 _x86_64_ (2 CPU) 02:57:31 LINUX RESTART (2 CPU) 03:00:12 CPU %user %nice %system %iowait %steal %idle 03:10:12 all 8.44 0.00 1.36 0.89 0.05 89.28 03:10:12 0 5.30 0.00 1.10 1.25 0.05 92.31 03:10:12 1 11.57 0.00 1.61 0.52 0.05 86.25 03:20:01 all 4.01 0.00 0.55 0.01 0.07 95.36 03:20:01 0 1.64 0.00 0.38 0.01 0.05 97.92 03:20:01 1 6.39 0.00 0.72 0.02 0.08 92.80 03:30:12 all 3.73 0.00 0.57 0.01 0.08 95.62 03:30:12 0 2.34 0.00 0.49 0.01 0.06 97.09 03:30:12 1 5.12 0.00 0.64 0.00 0.09 94.15 03:40:12 all 1.53 0.00 0.33 0.00 0.08 98.05 03:40:12 0 1.38 0.00 0.31 0.00 0.07 98.24 03:40:12 1 1.68 0.00 0.35 0.01 0.09 97.86 Average: all 4.42 0.00 0.70 0.23 0.07 94.58 Average: 0 2.67 0.00 0.57 0.32 0.06 96.39 Average: 1 6.19 0.00 0.83 0.14 0.08 92.77