---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1123 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: 5599.86 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 752 5295 4 2182 7189 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:6a:8d:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80711sec preferred_lft 80711sec inet6 fe80::f816:3eff:fe6a:8daa/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-1123) 04/08/26 _x86_64_ (2 CPU) 00:41:48 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.03 0.33 1.66 0.04 40.48 75.47 660.14 01:10:06 1.35 0.00 1.34 0.00 0.00 16.14 0.12 01:20:06 1.25 0.00 1.24 0.00 0.01 14.75 217.74 01:30:02 1.41 0.00 1.39 0.02 0.00 17.73 658.62 01:40:06 1.63 0.36 1.27 0.00 14.34 34.49 0.00 01:50:06 21.22 2.65 16.37 2.20 212.24 3083.29 604.16 02:00:01 1.41 0.00 1.39 0.02 0.00 17.79 0.24 02:10:06 1.40 0.00 1.39 0.01 0.00 17.60 0.12 Average: 3.96 0.42 3.26 0.29 33.35 409.60 266.24 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6242316 7522360 297388 3.66 30980 1454276 530608 5.78 460876 1204356 168 01:10:06 6241308 7521888 297772 3.66 31172 1454616 585608 6.38 466260 1204884 236 01:20:06 6248448 7529524 290216 3.57 31340 1454936 530532 5.78 461120 1205376 180 01:30:02 6242484 7524072 295596 3.63 31512 1455260 530532 5.78 461180 1205872 140 01:40:06 6231144 7523692 295832 3.64 31744 1465892 542448 5.91 478724 1215324 204 01:50:06 5297660 7410236 361372 4.44 85088 2191616 625524 6.81 593888 1950560 224 02:00:01 5286588 7399636 371940 4.57 85204 2191972 625588 6.81 594012 1951032 276 02:10:06 5287932 7401468 370132 4.55 85352 2192324 626612 6.83 594116 1951532 124 Average: 5884735 7479110 322531 3.97 51549 1732612 574682 6.26 513772 1486117 194 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.12 0.26 3.14 0.05 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.86 0.06 4.33 0.03 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.45 0.04 0.89 0.01 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 7.14 3.89 13.24 2.06 0.00 0.00 0.00 0.00 01:50:06 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:06 ens3 49.79 34.23 284.67 9.08 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.21 0.16 0.16 0.05 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 1.04 0.16 7.98 0.03 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 7.73 4.86 39.33 1.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1123) 04/08/26 _x86_64_ (2 CPU) 00:41:48 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.34 0.00 0.21 0.02 0.03 99.39 01:00:01 0 0.35 0.00 0.21 0.02 0.03 99.39 01:00:01 1 0.34 0.00 0.21 0.03 0.03 99.39 01:10:06 all 0.26 0.00 0.08 0.01 0.04 99.62 01:10:06 0 0.45 0.00 0.05 0.01 0.03 99.46 01:10:06 1 0.07 0.00 0.10 0.00 0.04 99.78 01:20:06 all 0.24 0.00 0.08 0.01 0.04 99.64 01:20:06 0 0.43 0.00 0.06 0.01 0.03 99.48 01:20:06 1 0.05 0.00 0.10 0.02 0.04 99.80 01:30:02 all 0.28 0.00 0.17 0.01 0.04 99.51 01:30:02 0 0.48 0.00 0.14 0.01 0.03 99.33 01:30:02 1 0.07 0.00 0.20 0.01 0.04 99.68 01:40:06 all 0.53 0.00 0.09 0.01 0.04 99.33 01:40:06 0 0.75 0.00 0.08 0.01 0.03 99.13 01:40:06 1 0.31 0.00 0.10 0.02 0.05 99.53 01:50:06 all 10.47 0.00 1.63 0.49 0.07 87.34 01:50:06 0 15.18 0.00 2.16 0.45 0.08 82.13 01:50:06 1 5.77 0.00 1.10 0.53 0.05 92.54 02:00:01 all 0.42 0.00 0.22 0.01 0.07 99.28 02:00:01 0 0.36 0.00 0.27 0.00 0.10 99.27 02:00:01 1 0.49 0.00 0.17 0.01 0.04 99.29 02:10:06 all 0.37 0.00 0.13 0.01 0.07 99.42 02:10:06 0 0.45 0.00 0.07 0.00 0.03 99.45 02:10:06 1 0.29 0.00 0.19 0.01 0.11 99.40 Average: all 1.61 0.00 0.32 0.07 0.05 97.94 Average: 0 2.30 0.00 0.38 0.07 0.04 97.21 Average: 1 0.92 0.00 0.27 0.08 0.05 98.68