---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15991 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 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 809 5113 4 2307 7132 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:c8:f3:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83469sec preferred_lft 83469sec inet6 fe80::f816:3eff:fec8:f3e7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15991) 05/17/26 _x86_64_ (2 CPU) 02:57:46 LINUX RESTART (2 CPU) 03:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 9.45 1.29 7.16 1.00 112.07 1163.59 425.41 03:20:19 1.39 0.01 1.37 0.00 0.06 111.68 0.35 03:30:09 1.52 0.01 1.49 0.02 0.20 68.61 0.26 03:40:01 1.26 0.00 1.26 0.00 0.00 28.10 0.01 Average: 3.36 0.32 2.79 0.25 27.43 337.08 104.03 03:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5275588 7377764 394256 4.85 84024 2182544 710100 7.73 622972 1951904 404 03:20:19 5210600 7342560 429204 5.28 84184 2212040 744196 8.11 658232 1981612 124 03:30:09 5182668 7330008 441416 5.43 84344 2227060 720108 7.84 658084 1996792 184 03:40:01 5184044 7335608 435764 5.36 84476 2231108 720220 7.84 658072 2000964 300 Average: 5213225 7346485 425160 5.23 84257 2213188 723656 7.88 649340 1982818 253 03:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 90.67 67.19 57.25 12.16 0.00 0.00 0.00 0.00 03:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:19 ens3 14.30 14.53 13.11 1.18 0.00 0.00 0.00 0.00 03:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:09 ens3 13.46 13.31 7.78 1.18 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 25.95 25.74 4.98 1.80 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 35.63 29.87 20.54 4.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15991) 05/17/26 _x86_64_ (2 CPU) 02:57:46 LINUX RESTART (2 CPU) 03:00:19 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 7.47 0.00 1.30 0.18 0.05 91.01 03:10:01 0 7.14 0.00 1.23 0.09 0.05 91.49 03:10:01 1 7.79 0.00 1.36 0.26 0.05 90.53 03:20:19 all 4.20 0.00 0.54 0.01 0.07 95.19 03:20:19 0 5.33 0.00 0.67 0.01 0.07 93.91 03:20:19 1 3.06 0.00 0.41 0.00 0.06 96.46 03:30:09 all 3.52 0.00 0.53 0.01 0.07 95.87 03:30:09 0 2.89 0.00 0.52 0.01 0.07 96.52 03:30:09 1 4.15 0.00 0.55 0.01 0.08 95.21 03:40:01 all 1.60 0.00 0.33 0.01 0.06 98.00 03:40:01 0 1.31 0.00 0.24 0.00 0.07 98.38 03:40:01 1 1.89 0.00 0.42 0.01 0.06 97.62 Average: all 4.18 0.00 0.67 0.05 0.06 95.04 Average: 0 4.17 0.00 0.66 0.03 0.07 95.08 Average: 1 4.19 0.00 0.68 0.07 0.06 94.99