---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38537 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 757 5139 4 2346 7184 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:dc:ad:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80922sec preferred_lft 80922sec inet6 fe80::f816:3eff:fedc:ad4a/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-38537) 07/25/26 _x86_64_ (2 CPU) 01:46:52 LINUX RESTART (2 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:04 14.20 0.03 1.61 12.56 1.39 19.88 110053.18 02:10:04 1.36 0.01 1.34 0.02 0.05 16.00 1.20 02:20:04 1.35 0.00 1.34 0.02 0.01 15.56 1.09 02:30:04 15.77 13.54 2.15 0.08 151.12 46.41 7.95 02:40:04 1.33 0.00 1.31 0.02 0.00 15.96 1.20 02:50:04 1.97 0.28 1.66 0.03 33.12 77.49 1.43 03:00:04 24.54 2.84 19.35 2.34 223.71 3563.45 816.31 03:10:04 1.24 0.00 1.24 0.00 0.00 15.36 0.00 Average: 7.72 2.09 3.75 1.88 51.17 471.25 13860.23 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:04 6295856 7542588 278052 3.42 30588 1421820 528172 5.75 445804 1183316 196 02:10:04 6299636 7546924 273704 3.37 30804 1422152 528172 5.75 445860 1183864 180 02:20:04 6298964 7546784 273752 3.37 31004 1422476 528308 5.75 445892 1184388 180 02:30:04 6222140 7527120 284312 3.50 35192 1467096 528376 5.76 446460 1232588 236 02:40:04 6221988 7527512 283920 3.49 35400 1467428 528376 5.76 446888 1233128 236 02:50:04 6173092 7506772 304116 3.74 35804 1494796 737260 8.03 462540 1251440 296 03:00:04 5125128 7399412 357540 4.40 91364 2334012 853872 9.30 593200 2101104 188 03:10:04 5123872 7398668 358220 4.40 91504 2334396 853936 9.30 593392 2101620 368 Average: 5970084 7499472 301702 3.71 47708 1670522 635809 6.93 485004 1433931 235 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 0.97 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.35 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.38 0.02 3.30 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.32 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.37 0.08 0.11 0.06 0.00 0.00 0.00 0.00 02:50:04 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.72 0.47 3.32 0.63 0.00 0.00 0.00 0.00 03:00:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:04 ens3 69.17 44.70 326.25 11.15 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 0.83 0.24 0.11 0.04 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.14 5.71 41.67 1.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38537) 07/25/26 _x86_64_ (2 CPU) 01:46:52 LINUX RESTART (2 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:04 all 0.32 0.00 0.19 0.03 0.03 99.43 02:00:04 0 0.33 0.00 0.20 0.05 0.03 99.38 02:00:04 1 0.30 0.00 0.19 0.02 0.03 99.47 02:10:04 all 0.27 0.00 0.08 0.01 0.02 99.63 02:10:04 0 0.33 0.00 0.07 0.01 0.02 99.58 02:10:04 1 0.20 0.00 0.09 0.01 0.02 99.67 02:20:04 all 0.25 0.00 0.08 0.01 0.02 99.64 02:20:04 0 0.06 0.00 0.09 0.02 0.02 99.82 02:20:04 1 0.45 0.00 0.07 0.01 0.02 99.46 02:30:04 all 0.28 0.17 0.24 3.10 0.02 96.19 02:30:04 0 0.07 0.34 0.30 1.58 0.03 97.68 02:30:04 1 0.49 0.00 0.17 4.61 0.02 94.71 02:40:04 all 0.26 0.00 0.08 0.01 0.02 99.63 02:40:04 0 0.07 0.00 0.11 0.01 0.03 99.78 02:40:04 1 0.45 0.00 0.05 0.01 0.02 99.47 02:50:04 all 0.42 0.00 0.11 0.06 0.02 99.39 02:50:04 0 0.43 0.00 0.14 0.02 0.02 99.39 02:50:04 1 0.41 0.00 0.07 0.10 0.02 99.40 03:00:04 all 12.18 0.00 1.85 0.67 0.06 85.24 03:00:04 0 8.26 0.00 1.47 0.29 0.06 89.92 03:00:04 1 16.09 0.00 2.24 1.06 0.06 80.56 03:10:04 all 0.43 0.00 0.14 0.02 0.04 99.38 03:10:04 0 0.41 0.00 0.15 0.03 0.04 99.38 03:10:04 1 0.45 0.00 0.13 0.00 0.04 99.38 Average: all 1.80 0.02 0.34 0.49 0.03 97.32 Average: 0 1.24 0.04 0.32 0.25 0.03 98.12 Average: 1 2.35 0.00 0.37 0.73 0.03 96.52