---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26310 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 8.0G 30G 22% / 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 801 5080 4 2353 7140 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:10:1f:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79281sec preferred_lft 79281sec inet6 fe80::f816:3eff:fe10:1fae/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-26310) 06/10/26 _x86_64_ (2 CPU) 00:42:43 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:42 1.66 0.01 1.64 0.01 0.05 19.27 611.73 01:10:42 1.32 0.00 1.32 0.00 0.00 15.30 0.00 01:20:01 1.33 0.00 1.33 0.00 0.01 15.29 0.13 01:30:13 1.58 0.00 1.57 0.01 0.00 18.98 641.24 01:40:10 2.43 0.66 1.76 0.01 48.10 108.26 0.23 01:50:01 23.31 2.63 18.32 2.36 214.38 3527.13 842.46 02:00:03 1.47 0.00 1.43 0.04 0.00 24.42 1.57 02:10:03 1.41 0.00 1.40 0.02 0.00 20.35 1.24 02:20:01 15.01 0.00 1.44 13.57 0.15 139.43 107540.41 02:30:03 1.58 0.00 1.52 0.06 0.00 34.64 1.75 02:40:03 3.39 0.05 2.74 0.60 1.20 98.05 1246.51 Average: 4.92 0.30 3.11 1.51 23.69 360.97 10048.29 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:42 6281840 7533804 286588 3.52 30748 1426828 529712 5.77 449208 1187724 144 01:10:42 6289204 7541664 278732 3.43 30908 1427156 529712 5.77 449332 1188220 124 01:20:01 6285200 7538136 282248 3.47 31060 1427476 529924 5.77 447196 1188692 156 01:30:13 6280600 7534068 286340 3.52 31244 1427808 529964 5.77 447164 1189208 160 01:40:10 6238952 7534236 285396 3.51 31736 1468692 545168 5.94 478996 1219860 304 01:50:01 5131404 7339968 427220 5.25 86728 2281976 668752 7.28 625872 2044216 536 02:00:03 5130620 7341080 425996 5.24 86888 2283696 677204 7.38 625516 2046116 224 02:10:03 5126504 7338416 428728 5.27 87076 2284968 696948 7.59 646048 2047576 220 02:20:01 4979880 7229136 537916 6.61 87304 2322004 686304 7.48 634264 2084796 888 02:30:03 5036024 7289676 477324 5.87 87492 2326144 720244 7.84 669368 2089012 232 02:40:03 5157724 7303960 472268 5.81 88740 2225848 726424 7.91 708640 1989756 89660 Average: 5630723 7411286 380796 4.68 61811 1900236 621851 6.77 561964 1661380 8423 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:42 ens3 0.57 0.09 0.08 0.03 0.00 0.00 0.00 0.00 01:10:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:42 ens3 0.93 0.07 6.58 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.60 0.09 0.68 0.06 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:10 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 9.77 5.28 23.22 3.19 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 69.80 50.25 415.33 9.72 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 14.60 12.82 139.76 1.13 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 5.51 5.02 33.11 0.64 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 17.75 16.01 186.21 1.68 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 22.27 20.29 224.19 2.03 0.00 0.00 0.00 0.00 02:40:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 15.91 13.31 70.00 8.83 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.27 11.14 99.40 2.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26310) 06/10/26 _x86_64_ (2 CPU) 00:42:43 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:42 all 0.27 0.00 0.18 0.02 0.04 99.48 01:00:42 0 0.20 0.00 0.17 0.03 0.06 99.53 01:00:42 1 0.35 0.00 0.19 0.01 0.03 99.42 01:10:42 all 0.26 0.00 0.08 0.04 0.02 99.61 01:10:42 0 0.08 0.00 0.09 0.03 0.02 99.79 01:10:42 1 0.45 0.00 0.06 0.05 0.02 99.42 01:20:01 all 0.27 0.00 0.08 0.12 0.02 99.51 01:20:01 0 0.32 0.00 0.07 0.13 0.01 99.47 01:20:01 1 0.23 0.00 0.09 0.12 0.02 99.55 01:30:13 all 0.28 0.00 0.18 0.07 0.02 99.46 01:30:13 0 0.29 0.00 0.19 0.11 0.02 99.40 01:30:13 1 0.27 0.00 0.17 0.02 0.01 99.52 01:40:10 all 0.63 0.00 0.13 0.03 0.02 99.19 01:40:10 0 0.47 0.00 0.12 0.03 0.02 99.35 01:40:10 1 0.80 0.00 0.13 0.03 0.01 99.04 01:50:01 all 12.65 0.00 1.84 0.58 0.05 84.88 01:50:01 0 13.26 0.00 1.85 0.46 0.06 84.37 01:50:01 1 12.03 0.00 1.83 0.70 0.05 85.40 02:00:03 all 0.89 0.00 0.30 0.02 0.03 98.76 02:00:03 0 0.82 0.00 0.31 0.03 0.03 98.80 02:00:03 1 0.96 0.00 0.29 0.01 0.03 98.72 02:10:03 all 5.96 0.00 0.79 0.06 0.07 93.11 02:10:03 0 4.95 0.00 0.64 0.09 0.06 94.25 02:10:03 1 6.99 0.00 0.95 0.04 0.07 91.95 02:20:01 all 2.33 0.00 0.37 0.37 0.04 96.89 02:20:01 0 1.90 0.00 0.28 0.21 0.04 97.57 02:20:01 1 2.75 0.00 0.45 0.54 0.04 96.21 02:30:03 all 1.73 0.00 0.42 0.01 0.04 97.80 02:30:03 0 1.57 0.00 0.48 0.02 0.05 97.89 02:30:03 1 1.89 0.00 0.37 0.01 0.03 97.71 02:40:03 all 2.64 0.00 0.34 0.04 0.04 96.95 02:40:03 0 3.64 0.00 0.41 0.06 0.04 95.85 02:40:03 1 1.63 0.00 0.26 0.02 0.03 98.06 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.51 0.00 0.42 0.12 0.03 96.91 Average: 0 2.48 0.00 0.42 0.11 0.04 96.96 Average: 1 2.54 0.00 0.43 0.14 0.03 96.86