---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16948 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 7.9G 30G 21% / 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 765 5282 4 2182 7176 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:15:6a:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82029sec preferred_lft 82029sec inet6 fe80::f816:3eff:fe15:6a0d/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-16948) 05/20/26 _x86_64_ (2 CPU) 00:30:00 LINUX RESTART (2 CPU) 00:40:39 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:29 1.29 0.01 1.27 0.02 0.05 15.21 1.10 01:00:14 1.96 0.26 1.66 0.04 32.85 77.10 1.64 01:10:39 1.38 0.00 1.38 0.00 0.00 15.84 0.17 01:20:19 14.59 0.01 1.60 12.98 0.17 19.35 112891.44 01:30:01 1.54 0.00 1.52 0.02 0.00 18.35 0.45 01:40:29 22.65 3.04 17.45 2.16 222.48 3134.56 938.16 Average: 7.34 0.58 4.28 2.49 44.33 572.56 18403.44 00:40:39 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:29 6277656 7524388 296316 3.64 30748 1421664 527856 5.75 449008 1183664 148 01:00:14 6256944 7530728 289268 3.56 31164 1447896 722900 7.87 463836 1201316 180 01:10:39 6256696 7531064 289052 3.55 31336 1448304 528096 5.75 458476 1201816 120 01:20:19 6263780 7538728 281308 3.46 31536 1448680 583172 6.35 463940 1202360 132 01:30:01 6260704 7536252 283856 3.49 31708 1449096 528228 5.75 459036 1202824 188 01:40:29 5277076 7398408 373308 4.59 85708 2199448 655032 7.13 614240 1961292 168 Average: 6098809 7509928 302185 3.72 40367 1569181 590881 6.44 484756 1325545 156 00:40:39 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:29 ens3 0.50 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:00:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 0.45 0.23 3.22 0.04 0.00 0.00 0.00 0.00 01:10:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:39 ens3 0.39 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:19 ens3 0.41 0.09 0.12 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.33 0.09 0.10 0.06 0.00 0.00 0.00 0.00 01:40:29 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:40:29 ens3 44.96 28.73 287.51 8.11 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.21 5.12 50.92 1.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16948) 05/20/26 _x86_64_ (2 CPU) 00:30:00 LINUX RESTART (2 CPU) 00:40:39 CPU %user %nice %system %iowait %steal %idle 00:50:29 all 0.30 0.00 0.07 0.02 0.02 99.60 00:50:29 0 0.53 0.00 0.04 0.02 0.02 99.39 00:50:29 1 0.06 0.00 0.10 0.01 0.02 99.80 01:00:14 all 0.38 0.00 0.18 0.02 0.02 99.40 01:00:14 0 0.28 0.00 0.19 0.03 0.02 99.48 01:00:14 1 0.48 0.00 0.16 0.01 0.02 99.32 01:10:39 all 0.27 0.00 0.07 0.01 0.02 99.63 01:10:39 0 0.05 0.00 0.08 0.02 0.02 99.83 01:10:39 1 0.49 0.00 0.06 0.00 0.02 99.43 01:20:19 all 0.26 0.00 0.10 0.12 0.02 99.50 01:20:19 0 0.06 0.00 0.11 0.07 0.02 99.74 01:20:19 1 0.46 0.00 0.08 0.18 0.02 99.26 01:30:01 all 0.28 0.00 0.16 0.06 0.02 99.48 01:30:01 0 0.15 0.00 0.15 0.04 0.02 99.65 01:30:01 1 0.41 0.00 0.17 0.09 0.02 99.31 01:40:29 all 10.82 0.00 1.65 3.15 0.04 84.35 01:40:29 0 11.38 0.00 1.69 4.15 0.04 82.73 01:40:29 1 10.26 0.00 1.60 2.14 0.04 85.96 Average: all 2.14 0.00 0.38 0.59 0.02 96.87 Average: 0 2.16 0.00 0.39 0.75 0.02 96.67 Average: 1 2.11 0.00 0.37 0.42 0.02 97.07