---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12440 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 8.3G 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 741 4881 4 2612 7200 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:6b:96:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82655sec preferred_lft 82655sec inet6 fe80::f816:3eff:fe6b:969a/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-12440) 05/10/26 _x86_64_ (2 CPU) 01:43:54 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:18 1.61 0.01 1.58 0.03 0.05 19.23 1.79 02:10:08 1.65 0.26 1.37 0.03 31.50 73.86 1.40 02:20:18 1.56 0.01 1.51 0.04 1.05 358.66 1.82 02:30:18 1.67 0.00 1.61 0.06 0.00 332.11 2.37 02:40:18 1.28 0.00 1.24 0.03 0.00 16.13 1.21 Average: 1.56 0.05 1.46 0.04 6.38 160.15 1.72 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:18 5018264 7110792 661112 8.13 84068 2172756 875784 9.54 821388 1941980 188 02:10:08 4995124 7114100 657608 8.09 84336 2198876 1120120 12.20 868424 1959604 216 02:20:18 4959092 7184448 585968 7.21 84540 2303864 874312 9.52 813152 2064484 212 02:30:18 4726664 7047924 720792 8.86 84732 2398252 998296 10.87 937352 2159064 128 02:40:18 4755524 7077404 691304 8.50 84920 2398676 958064 10.44 897072 2159676 156 Average: 4890934 7106934 663357 8.16 84519 2294485 965315 10.51 867478 2056962 180 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:18 ens3 20.88 18.83 311.52 1.26 0.00 0.00 0.00 0.00 02:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 98.17 79.97 1294.13 5.23 0.00 0.00 0.00 0.00 02:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:18 ens3 31.95 29.58 505.51 1.97 0.00 0.00 0.00 0.00 02:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:18 ens3 34.01 32.06 547.12 2.12 0.00 0.00 0.00 0.00 02:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:18 ens3 5.60 5.05 80.19 0.40 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 37.80 32.85 543.75 2.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12440) 05/10/26 _x86_64_ (2 CPU) 01:43:54 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:18 all 0.45 0.00 0.31 0.01 0.04 99.19 02:00:18 0 0.39 0.00 0.26 0.01 0.04 99.30 02:00:18 1 0.51 0.00 0.35 0.01 0.04 99.08 02:10:08 all 1.15 0.00 0.58 1.28 0.05 96.94 02:10:08 0 1.25 0.00 0.68 1.42 0.06 96.59 02:10:08 1 1.06 0.00 0.48 1.13 0.04 97.30 02:20:18 all 0.77 0.00 0.29 0.11 0.04 98.80 02:20:18 0 0.68 0.00 0.29 0.06 0.03 98.94 02:20:18 1 0.86 0.00 0.29 0.15 0.04 98.66 02:30:18 all 0.86 0.00 0.35 0.25 0.04 98.50 02:30:18 0 0.97 0.00 0.44 0.41 0.04 98.14 02:30:18 1 0.76 0.00 0.26 0.09 0.04 98.86 02:40:18 all 0.45 0.00 0.18 0.02 0.03 99.32 02:40:18 0 0.31 0.00 0.22 0.03 0.05 99.39 02:40:18 1 0.59 0.00 0.13 0.01 0.02 99.25 Average: all 0.73 0.00 0.34 0.33 0.04 98.56 Average: 0 0.71 0.00 0.38 0.38 0.04 98.48 Average: 1 0.75 0.00 0.30 0.27 0.04 98.64