---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7863 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 8.1G 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 738 5071 4 2422 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:7a:d6:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82521sec preferred_lft 82521sec inet6 fe80::f816:3eff:fe7a:d63c/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-7863) 04/25/26 _x86_64_ (2 CPU) 01:50:54 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:11 1.28 0.01 1.25 0.02 0.05 15.34 1.30 02:20:31 1.27 0.00 1.26 0.02 0.01 15.48 1.16 02:30:01 16.32 0.34 1.76 14.23 41.28 240.46 112530.99 02:40:01 1.62 0.00 1.58 0.04 1.05 236.89 1.37 02:50:31 1.39 0.00 1.37 0.02 0.00 16.66 1.26 Average: 4.19 0.07 1.44 2.69 7.98 101.86 21141.40 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:11 5236756 7322796 449116 5.52 84188 2166268 679076 7.40 631232 1935836 196 02:20:31 5084116 7170836 601080 7.39 84368 2166768 863836 9.41 798648 1936516 132 02:30:01 5073784 7237692 533248 6.56 84684 2243088 984328 10.72 734948 2002056 2556 02:40:01 4930060 7159484 610584 7.51 84868 2307528 874580 9.53 822428 2066356 312 02:50:31 4899188 7129388 640684 7.88 85040 2308120 878240 9.57 825692 2066996 184 Average: 5044781 7204039 566942 6.97 84630 2238354 856012 9.32 762590 2001552 676 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 24.13 22.56 393.56 1.49 0.00 0.00 0.00 0.00 02:20:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:31 ens3 67.43 64.92 1124.51 4.25 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 32.63 31.07 521.95 2.10 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 28.39 26.98 454.00 1.85 0.00 0.00 0.00 0.00 02:50:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:31 ens3 16.13 15.20 251.99 1.04 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 33.77 32.17 549.79 2.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7863) 04/25/26 _x86_64_ (2 CPU) 01:50:54 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:11 all 0.59 0.00 0.25 0.01 0.07 99.09 02:10:11 0 0.49 0.00 0.18 0.01 0.06 99.26 02:10:11 1 0.69 0.00 0.32 0.00 0.07 98.92 02:20:31 all 0.95 0.00 0.51 0.01 0.06 98.47 02:20:31 0 1.33 0.00 0.75 0.01 0.08 97.84 02:20:31 1 0.57 0.00 0.26 0.01 0.05 99.10 02:30:01 all 0.97 0.00 0.42 0.06 0.06 98.49 02:30:01 0 1.04 0.00 0.53 0.05 0.08 98.29 02:30:01 1 0.90 0.00 0.30 0.06 0.05 98.69 02:40:01 all 0.76 0.00 0.26 0.01 0.07 98.90 02:40:01 0 0.56 0.00 0.18 0.01 0.05 99.20 02:40:01 1 0.96 0.00 0.35 0.01 0.08 98.60 02:50:31 all 0.59 0.00 0.23 0.01 0.05 99.12 02:50:31 0 0.53 0.00 0.23 0.00 0.06 99.17 02:50:31 1 0.64 0.00 0.23 0.01 0.05 99.07 Average: all 0.77 0.00 0.33 0.02 0.06 98.82 Average: 0 0.79 0.00 0.37 0.02 0.07 98.76 Average: 1 0.75 0.00 0.29 0.02 0.06 98.88