---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1453 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 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 739 5221 4 2274 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:e1:ee:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81444sec preferred_lft 81444sec inet6 fe80::f816:3eff:fee1:eeb6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1453) 08/02/26 _x86_64_ (2 CPU) 05:14:31 LINUX RESTART (2 CPU) 05:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:18 14.27 0.01 1.71 12.55 0.20 20.39 109845.73 05:40:18 1.37 0.00 1.37 0.00 0.00 16.22 0.12 05:50:07 1.83 0.26 1.56 0.01 31.58 69.96 0.30 06:00:19 1.66 0.00 1.64 0.01 1.03 26.42 0.35 06:10:01 1.55 0.00 1.55 0.01 0.00 18.01 0.16 06:20:18 1.42 0.00 1.42 0.00 0.00 16.42 0.04 06:30:19 15.85 1.64 13.02 1.18 116.51 2385.53 234.41 Average: 5.42 0.27 3.18 1.97 21.27 365.04 15719.20 05:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:18 6280292 7527792 292692 3.60 30616 1422552 533912 5.82 449228 1183548 148 05:40:18 6280292 7528312 292192 3.59 30804 1422880 534008 5.82 449476 1184064 132 05:50:07 6235364 7510732 309308 3.80 31148 1449516 734828 8.00 463984 1202280 2284 06:00:19 6248688 7524940 295076 3.63 31348 1450156 534144 5.82 458932 1202808 132 06:10:01 6258316 7535244 284772 3.50 31556 1450616 534176 5.82 459288 1203348 204 06:20:18 6258820 7536280 283724 3.49 31756 1450948 534176 5.82 459336 1203872 164 06:30:19 5440120 7381944 398300 4.90 72648 2040480 649920 7.08 605136 1817612 14396 Average: 6143127 7506463 308009 3.79 37125 1526735 579309 6.31 477911 1285362 2494 05:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:18 ens3 0.87 0.07 0.12 0.04 0.00 0.00 0.00 0.00 05:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:18 ens3 0.50 0.08 0.09 0.04 0.00 0.00 0.00 0.00 05:50:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:50:07 ens3 1.24 0.21 3.42 0.03 0.00 0.00 0.00 0.00 06:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:19 ens3 0.22 0.04 0.04 0.01 0.00 0.00 0.00 0.00 06:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:01 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 06:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:18 ens3 0.26 0.06 0.07 0.03 0.00 0.00 0.00 0.00 06:30:19 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 06:30:19 ens3 37.98 24.93 277.94 6.47 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.90 3.64 40.29 0.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1453) 08/02/26 _x86_64_ (2 CPU) 05:14:31 LINUX RESTART (2 CPU) 05:20:18 CPU %user %nice %system %iowait %steal %idle 05:30:18 all 0.29 0.00 0.19 0.04 0.02 99.47 05:30:18 0 0.34 0.00 0.19 0.06 0.02 99.40 05:30:18 1 0.24 0.00 0.19 0.01 0.03 99.54 05:40:18 all 0.26 0.00 0.08 0.01 0.02 99.63 05:40:18 0 0.26 0.00 0.09 0.01 0.02 99.62 05:40:18 1 0.25 0.00 0.07 0.02 0.02 99.64 05:50:07 all 0.38 0.00 0.10 0.02 0.02 99.48 05:50:07 0 0.57 0.00 0.09 0.01 0.02 99.31 05:50:07 1 0.18 0.00 0.11 0.03 0.03 99.65 06:00:19 all 0.29 0.00 0.16 0.01 0.02 99.52 06:00:19 0 0.30 0.00 0.15 0.01 0.02 99.51 06:00:19 1 0.27 0.00 0.18 0.00 0.03 99.52 06:10:01 all 0.28 0.00 0.08 0.01 0.02 99.61 06:10:01 0 0.09 0.00 0.09 0.00 0.03 99.78 06:10:01 1 0.47 0.00 0.07 0.02 0.02 99.43 06:20:18 all 0.26 0.00 0.08 0.01 0.03 99.63 06:20:18 0 0.26 0.00 0.08 0.01 0.02 99.63 06:20:18 1 0.26 0.00 0.07 0.01 0.03 99.63 06:30:19 all 6.97 0.00 1.06 0.36 0.04 91.57 06:30:19 0 7.57 0.00 1.00 0.41 0.04 90.99 06:30:19 1 6.37 0.00 1.12 0.32 0.04 92.15 Average: all 1.25 0.00 0.25 0.07 0.03 98.41 Average: 0 1.34 0.00 0.24 0.07 0.02 98.32 Average: 1 1.15 0.00 0.26 0.06 0.03 98.51