---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8170 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 751 5303 4 2175 7190 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:f8:0e:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80912sec preferred_lft 80912sec inet6 fe80::f816:3eff:fef8:e52/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8170) 03/23/26 _x86_64_ (2 CPU) 00:37:12 LINUX RESTART (2 CPU) 00:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:35 2.10 0.33 1.75 0.01 39.59 73.15 0.31 01:00:54 1.64 0.01 1.61 0.02 0.05 18.77 423.54 01:10:25 1.44 0.00 1.42 0.02 0.00 16.09 1.13 01:20:54 1.42 0.00 1.40 0.02 0.01 16.13 1.15 01:30:15 1.56 0.00 1.53 0.03 0.00 18.19 466.87 01:40:45 13.44 0.00 1.47 11.97 0.14 17.03 103928.40 01:50:05 25.09 3.25 19.46 2.38 243.92 3294.99 705.50 02:00:35 1.80 0.01 1.76 0.03 0.55 37.21 1.38 Average: 5.93 0.42 3.65 1.86 33.52 408.55 13803.85 00:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:35 6241404 7516264 303712 3.73 30724 1449468 734500 8.00 463116 1199832 180 01:00:54 6237472 7512968 306924 3.77 30980 1449796 734500 8.00 466704 1200420 124 01:10:25 6245060 7521040 298804 3.67 31176 1450120 734692 8.00 466876 1200900 212 01:20:54 6245060 7521620 298252 3.67 31388 1450448 734756 8.00 466968 1201480 124 01:30:15 6258240 7535348 284536 3.50 31584 1450780 734780 8.00 467136 1202008 296 01:40:45 6266052 7543884 275972 3.39 31808 1451276 734940 8.00 467844 1202572 132 01:50:05 5350828 7454704 316956 3.90 84988 2183052 771732 8.41 554772 1941992 2408 02:00:35 5252124 7358492 413164 5.08 85160 2185444 865364 9.43 614360 1944560 160 Average: 6012030 7495540 312290 3.84 44726 1633798 755658 8.23 495972 1386720 454 00:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:35 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:35 ens3 1.23 0.25 3.08 0.07 0.00 0.00 0.00 0.00 01:00:54 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:54 ens3 0.43 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:25 ens3 0.36 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:20:54 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:54 ens3 0.41 0.07 0.11 0.06 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.22 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:45 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:45 ens3 0.48 0.22 0.13 0.62 0.00 0.00 0.00 0.00 01:50:05 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 01:50:05 ens3 62.07 43.05 316.04 11.43 0.00 0.00 0.00 0.00 02:00:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:35 ens3 11.97 8.19 35.67 1.23 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 9.19 6.17 41.92 1.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8170) 03/23/26 _x86_64_ (2 CPU) 00:37:12 LINUX RESTART (2 CPU) 00:40:25 CPU %user %nice %system %iowait %steal %idle 00:50:35 all 0.40 0.00 0.11 0.03 0.04 99.43 00:50:35 0 0.48 0.00 0.09 0.01 0.03 99.38 00:50:35 1 0.31 0.00 0.12 0.04 0.04 99.48 01:00:54 all 0.29 0.00 0.14 0.01 0.04 99.51 01:00:54 0 0.51 0.00 0.14 0.01 0.03 99.31 01:00:54 1 0.07 0.00 0.15 0.01 0.05 99.72 01:10:25 all 0.23 0.00 0.07 0.01 0.05 99.64 01:10:25 0 0.42 0.00 0.06 0.01 0.04 99.47 01:10:25 1 0.04 0.00 0.08 0.02 0.05 99.80 01:20:54 all 0.24 0.00 0.07 0.01 0.04 99.64 01:20:54 0 0.42 0.00 0.06 0.02 0.04 99.47 01:20:54 1 0.06 0.00 0.08 0.00 0.05 99.81 01:30:15 all 0.27 0.00 0.17 0.01 0.05 99.50 01:30:15 0 0.44 0.00 0.17 0.02 0.04 99.33 01:30:15 1 0.10 0.00 0.17 0.00 0.05 99.68 01:40:45 all 0.27 0.00 0.08 0.03 0.04 99.58 01:40:45 0 0.43 0.00 0.06 0.01 0.03 99.47 01:40:45 1 0.11 0.00 0.10 0.05 0.05 99.69 01:50:05 all 11.29 0.00 1.73 0.74 0.06 86.17 01:50:05 0 7.05 0.00 1.44 0.53 0.06 90.93 01:50:05 1 15.53 0.00 2.03 0.95 0.06 81.42 02:00:35 all 1.00 0.00 0.27 0.01 0.08 98.63 02:00:35 0 1.13 0.00 0.30 0.00 0.10 98.47 02:00:35 1 0.88 0.00 0.24 0.02 0.07 98.80 Average: all 1.66 0.00 0.32 0.10 0.05 97.87 Average: 0 1.31 0.00 0.28 0.07 0.05 98.30 Average: 1 2.01 0.00 0.36 0.13 0.05 97.45