---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2701 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 830 5096 4 2304 7111 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:45:13:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83452sec preferred_lft 83452sec inet6 fe80::f816:3eff:fe45:130a/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-2701) 04/14/26 _x86_64_ (2 CPU) 06:17:48 LINUX RESTART (2 CPU) 06:20:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:01 10.98 1.35 8.30 1.32 116.91 1197.83 519.97 06:40:31 1.27 0.01 1.26 0.00 0.05 111.40 0.34 06:50:34 1.83 0.32 1.49 0.01 38.99 127.11 0.20 07:00:01 15.77 0.00 1.54 14.22 0.16 31.81 112898.92 Average: 7.22 0.41 3.09 3.72 38.26 359.37 27062.67 06:20:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:01 5312032 7403468 368736 4.53 84060 2171964 668028 7.28 597612 1940508 2160 06:40:31 5246884 7368804 403044 4.96 84244 2202232 702576 7.65 632512 1970904 1896 06:50:34 5173160 7339040 431904 5.31 84528 2245280 885436 9.64 649796 2003228 196 07:00:01 5174140 7344352 426528 5.24 84684 2249364 885576 9.65 649892 2007440 160 Average: 5226554 7363916 407553 5.01 84379 2217210 785404 8.55 632453 1980520 1103 06:20:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:01 lo 1.15 1.15 0.08 0.08 0.00 0.00 0.00 0.00 06:30:01 ens3 92.85 75.02 57.53 13.24 0.00 0.00 0.00 0.00 06:40:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:40:31 ens3 12.99 13.18 13.14 1.13 0.00 0.00 0.00 0.00 06:50:34 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:50:34 ens3 12.92 12.53 14.80 1.11 0.00 0.00 0.00 0.00 07:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:01 ens3 25.37 25.28 5.12 1.80 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 35.25 30.87 22.39 4.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2701) 04/14/26 _x86_64_ (2 CPU) 06:17:48 LINUX RESTART (2 CPU) 06:20:27 CPU %user %nice %system %iowait %steal %idle 06:30:01 all 8.21 0.00 1.46 0.24 0.07 90.02 06:30:01 0 6.37 0.00 1.28 0.36 0.07 91.93 06:30:01 1 10.05 0.00 1.64 0.13 0.07 88.11 06:40:31 all 4.17 0.00 0.55 0.01 0.09 95.18 06:40:31 0 3.24 0.00 0.53 0.02 0.08 96.13 06:40:31 1 5.10 0.00 0.57 0.00 0.09 94.23 06:50:34 all 3.49 0.00 0.52 0.03 0.08 95.88 06:50:34 0 3.65 0.00 0.60 0.03 0.08 95.64 06:50:34 1 3.34 0.00 0.44 0.02 0.08 96.11 07:00:01 all 1.62 0.00 0.48 0.04 0.08 97.78 07:00:01 0 1.54 0.00 0.47 0.02 0.08 97.89 07:00:01 1 1.71 0.00 0.49 0.06 0.08 97.66 Average: all 4.37 0.00 0.75 0.08 0.08 94.73 Average: 0 3.69 0.00 0.71 0.10 0.08 95.41 Average: 1 5.04 0.00 0.78 0.05 0.08 94.05