---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16942 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 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 756 5268 4 2205 7185 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:9e:0a:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81282sec preferred_lft 81282sec inet6 fe80::f816:3eff:fe9e:aaf/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-16942) 05/20/26 _x86_64_ (2 CPU) 00:29:54 LINUX RESTART (2 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:23 8.05 3.19 4.80 0.06 375.74 5517.83 211.84 00:50:13 2.01 0.27 1.72 0.02 32.62 76.75 0.80 01:00:23 13.95 0.00 1.58 12.37 0.14 18.77 107343.70 01:10:03 1.33 0.00 1.32 0.02 0.00 15.23 1.12 01:20:23 1.34 0.00 1.32 0.02 0.01 15.84 1.28 01:30:17 1.80 0.42 1.36 0.03 16.16 48.55 1.36 01:40:23 24.29 2.76 19.26 2.27 215.06 3227.18 907.67 01:50:23 1.27 0.00 1.27 0.00 0.09 30.95 0.03 Average: 6.81 0.84 4.10 1.87 81.51 1142.79 13720.21 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:23 6284156 7534988 285720 3.51 30592 1425864 533132 5.81 449968 1187200 284 00:50:13 6242740 7520616 299724 3.69 30960 1452172 533228 5.81 459108 1204804 160 01:00:23 6264476 7542960 277188 3.41 31180 1452536 533228 5.81 459332 1205364 132 01:10:03 6267584 7546580 273596 3.36 31360 1452864 533380 5.81 459404 1205872 196 01:20:23 6273156 7552716 267384 3.29 31584 1453204 533508 5.81 460004 1206428 324 01:30:17 6230016 7524900 294988 3.63 31904 1468000 551680 6.01 484304 1219916 168 01:40:23 5288736 7415704 355752 4.37 85904 2204824 630948 6.87 596952 1966360 380 01:50:23 5278296 7410304 361164 4.44 86060 2209744 651680 7.10 601272 1971404 508 Average: 6016145 7506096 301940 3.71 44943 1639901 562598 6.13 496293 1395918 269 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:23 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 00:40:23 ens3 9.98 5.89 40.39 1.73 0.00 0.00 0.00 0.00 00:50:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:13 ens3 0.74 0.28 3.25 0.07 0.00 0.00 0.00 0.00 01:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:23 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.37 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 0.42 0.11 0.13 0.07 0.00 0.00 0.00 0.00 01:30:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 11.23 4.97 20.40 3.23 0.00 0.00 0.00 0.00 01:40:23 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:40:23 ens3 36.00 24.77 278.40 5.65 0.00 0.00 0.00 0.00 01:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:23 ens3 5.18 3.55 0.97 1.62 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 8.06 4.99 43.24 1.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16942) 05/20/26 _x86_64_ (2 CPU) 00:29:54 LINUX RESTART (2 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:23 all 0.77 0.00 0.50 1.66 0.04 97.03 00:40:23 0 0.49 0.00 0.59 1.55 0.04 97.34 00:40:23 1 1.05 0.00 0.42 1.78 0.04 96.71 00:50:13 all 0.36 0.00 0.10 0.03 0.04 99.47 00:50:13 0 0.28 0.00 0.09 0.02 0.04 99.57 00:50:13 1 0.44 0.00 0.12 0.03 0.04 99.37 01:00:23 all 0.26 0.00 0.16 0.08 0.04 99.46 01:00:23 0 0.17 0.00 0.18 0.16 0.05 99.44 01:00:23 1 0.34 0.00 0.14 0.00 0.03 99.48 01:10:03 all 0.24 0.00 0.07 0.01 0.04 99.65 01:10:03 0 0.05 0.00 0.07 0.00 0.04 99.83 01:10:03 1 0.42 0.00 0.07 0.02 0.04 99.46 01:20:23 all 0.28 0.00 0.08 0.14 0.03 99.47 01:20:23 0 0.08 0.00 0.10 0.27 0.04 99.51 01:20:23 1 0.48 0.00 0.05 0.00 0.03 99.43 01:30:17 all 0.55 0.00 0.19 0.10 0.03 99.13 01:30:17 0 0.40 0.00 0.21 0.14 0.04 99.22 01:30:17 1 0.70 0.00 0.17 0.07 0.03 99.04 01:40:23 all 11.33 0.00 1.75 2.62 0.06 84.24 01:40:23 0 14.34 0.00 2.02 2.67 0.06 80.92 01:40:23 1 8.31 0.00 1.49 2.58 0.05 87.57 01:50:23 all 2.18 0.00 0.19 0.11 0.05 97.47 01:50:23 0 1.87 0.00 0.19 0.12 0.04 97.78 01:50:23 1 2.49 0.00 0.20 0.10 0.05 97.16 Average: all 2.00 0.00 0.38 0.60 0.04 96.97 Average: 0 2.22 0.00 0.43 0.62 0.04 96.68 Average: 1 1.78 0.00 0.33 0.58 0.04 97.26