---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13084 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 774 5182 4 2273 7167 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:a8:f5:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81330sec preferred_lft 81330sec inet6 fe80::f816:3eff:fea8:f5f9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13084) 05/13/26 _x86_64_ (2 CPU) 00:40:07 LINUX RESTART (2 CPU) 00:50:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.15 0.27 1.84 0.03 32.43 80.21 910.97 01:10:01 1.37 0.00 1.35 0.02 0.00 15.52 1.21 01:20:27 13.50 0.00 1.46 12.04 0.15 16.82 104637.30 01:30:01 1.61 0.00 1.58 0.03 0.00 18.70 683.44 01:40:01 1.38 0.00 1.37 0.02 0.00 15.90 1.20 01:50:14 2.86 1.29 1.55 0.02 94.25 109.80 0.59 02:00:01 22.91 1.74 18.88 2.28 135.31 3335.96 821.78 Average: 6.58 0.47 3.96 2.14 37.35 505.81 16019.18 00:50:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6257344 7530716 289164 3.56 30904 1447756 722012 7.86 458764 1200576 124 01:10:01 6265408 7539316 280548 3.45 31120 1448084 722632 7.87 458820 1201108 264 01:20:27 6264652 7539208 280520 3.45 31336 1448500 722696 7.87 459236 1201720 228 01:30:01 6254252 7529296 290396 3.57 31524 1448788 722892 7.87 459636 1202200 240 01:40:01 6263076 7538776 280964 3.45 31732 1449240 722924 7.87 459976 1202720 152 01:50:14 6035888 7409636 404000 4.97 39568 1534276 790096 8.61 555432 1283100 40444 02:00:01 5226780 7385136 385864 4.74 85260 2236952 853812 9.30 614864 1998296 356 Average: 6081057 7496012 315922 3.88 40206 1573371 751009 8.18 495247 1327103 5973 00:50:27 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 0.73 0.24 3.29 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.36 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 0.52 0.09 0.15 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.28 0.16 0.06 0.53 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.44 0.11 0.14 0.08 0.00 0.00 0.00 0.00 01:50:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:14 ens3 13.23 8.50 49.15 3.95 0.00 0.00 0.00 0.00 02:00:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 61.65 46.36 286.12 11.01 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 10.94 7.86 47.96 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13084) 05/13/26 _x86_64_ (2 CPU) 00:40:07 LINUX RESTART (2 CPU) 00:50:27 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.40 0.00 0.21 0.02 0.02 99.35 01:00:01 0 0.37 0.00 0.19 0.01 0.02 99.41 01:00:01 1 0.43 0.00 0.22 0.03 0.03 99.29 01:10:01 all 0.27 0.00 0.07 0.01 0.03 99.62 01:10:01 0 0.49 0.00 0.06 0.02 0.02 99.42 01:10:01 1 0.06 0.00 0.09 0.01 0.04 99.81 01:20:27 all 0.28 0.00 0.08 0.04 0.03 99.57 01:20:27 0 0.50 0.00 0.05 0.03 0.02 99.40 01:20:27 1 0.07 0.00 0.12 0.05 0.04 99.73 01:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 01:30:01 0 0.21 0.00 0.18 0.01 0.03 99.57 01:30:01 1 0.32 0.00 0.15 0.02 0.03 99.48 01:40:01 all 0.25 0.00 0.07 0.01 0.03 99.65 01:40:01 0 0.26 0.00 0.07 0.01 0.03 99.64 01:40:01 1 0.23 0.00 0.07 0.02 0.03 99.65 01:50:14 all 1.02 0.00 0.20 0.04 0.03 98.71 01:50:14 0 1.15 0.00 0.21 0.03 0.02 98.59 01:50:14 1 0.88 0.00 0.19 0.06 0.04 98.83 02:00:01 all 15.46 0.00 1.72 0.64 0.06 82.13 02:00:01 0 11.66 0.00 1.49 0.56 0.06 86.23 02:00:01 1 19.25 0.00 1.94 0.71 0.07 78.02 Average: all 2.53 0.00 0.35 0.11 0.03 96.98 Average: 0 2.07 0.00 0.32 0.09 0.03 97.50 Average: 1 2.99 0.00 0.39 0.13 0.04 96.46