---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3172 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 786 5169 4 2275 7155 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:2b:d1:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81000sec preferred_lft 81000sec inet6 fe80::f816:3eff:fe2b:d158/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3172) 04/16/26 _x86_64_ (2 CPU) 01:48:29 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 1.98 0.33 1.63 0.02 39.41 73.26 427.11 02:10:03 1.22 0.01 1.20 0.01 0.05 14.55 0.73 02:20:01 1.21 0.00 1.19 0.02 0.01 14.15 1.10 02:30:13 1.40 0.00 1.37 0.03 0.00 17.00 428.57 02:40:03 13.98 0.00 1.21 12.77 0.15 14.67 110944.62 02:50:01 1.57 0.34 1.21 0.02 13.47 34.04 1.20 03:00:03 22.54 2.67 17.63 2.23 214.29 3105.08 807.42 03:10:14 1.51 0.00 1.47 0.04 0.34 68.42 0.34 Average: 5.65 0.42 3.37 1.86 33.54 417.73 13813.75 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 6226352 7500808 318940 3.92 30764 1449204 728136 7.93 464432 1199996 176 02:10:03 6225876 7500868 318900 3.92 30964 1449536 728272 7.93 464484 1200528 224 02:20:01 6241712 7517236 302516 3.72 31172 1449856 728864 7.94 464576 1201056 272 02:30:13 6227292 7503428 316120 3.89 31400 1450188 728428 7.93 464728 1201616 184 02:40:03 6234364 7511080 308484 3.79 31592 1450564 728564 7.94 465004 1202156 184 02:50:01 6228592 7516000 303472 3.73 31868 1460880 740856 8.07 479344 1211344 248 03:00:03 5274416 7391180 379996 4.67 85136 2195924 851628 9.28 605568 1955376 336 03:10:14 5258388 7390680 380552 4.68 85340 2211252 853084 9.29 607720 1970804 140 Average: 5989624 7478910 328622 4.04 44780 1639676 760979 8.29 501982 1392860 220 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 1.80 0.22 3.18 0.05 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.42 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.26 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.31 0.04 0.19 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.29 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 7.25 3.84 12.21 1.80 0.00 0.00 0.00 0.00 03:00:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:03 ens3 75.52 54.65 290.04 11.35 0.00 0.00 0.00 0.00 03:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:14 ens3 47.32 43.27 10.29 5.75 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 16.73 12.85 39.52 2.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3172) 04/16/26 _x86_64_ (2 CPU) 01:48:29 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 0.39 0.00 0.21 0.03 0.04 99.35 02:00:14 0 0.40 0.00 0.18 0.02 0.03 99.37 02:00:14 1 0.37 0.00 0.24 0.03 0.04 99.32 02:10:03 all 0.22 0.00 0.08 0.01 0.04 99.66 02:10:03 0 0.38 0.00 0.06 0.01 0.03 99.52 02:10:03 1 0.05 0.00 0.09 0.01 0.05 99.80 02:20:01 all 0.24 0.00 0.08 0.01 0.04 99.63 02:20:01 0 0.43 0.00 0.05 0.01 0.03 99.49 02:20:01 1 0.06 0.00 0.11 0.02 0.05 99.77 02:30:13 all 0.28 0.00 0.17 0.01 0.03 99.51 02:30:13 0 0.42 0.00 0.17 0.00 0.03 99.38 02:30:13 1 0.14 0.00 0.16 0.02 0.04 99.64 02:40:03 all 0.24 0.00 0.08 0.03 0.03 99.61 02:40:03 0 0.05 0.00 0.09 0.02 0.04 99.80 02:40:03 1 0.43 0.00 0.08 0.04 0.03 99.42 02:50:01 all 0.45 0.00 0.08 0.02 0.03 99.42 02:50:01 0 0.33 0.00 0.08 0.02 0.03 99.54 02:50:01 1 0.57 0.00 0.09 0.02 0.03 99.30 03:00:03 all 13.70 0.00 1.88 0.56 0.07 83.79 03:00:03 0 15.11 0.00 2.05 0.34 0.07 82.42 03:00:03 1 12.28 0.00 1.72 0.77 0.07 85.16 03:10:14 all 6.59 0.00 0.53 0.01 0.07 92.80 03:10:14 0 8.44 0.00 0.59 0.01 0.07 90.89 03:10:14 1 4.73 0.00 0.48 0.01 0.07 94.71 Average: all 2.77 0.00 0.39 0.08 0.04 96.71 Average: 0 3.21 0.00 0.41 0.05 0.04 96.29 Average: 1 2.33 0.00 0.37 0.11 0.05 97.14