---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13119 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 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 825 5072 4 2333 7116 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:b5:2b:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83232sec preferred_lft 83232sec inet6 fe80::f816:3eff:feb5:2bdc/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-13119) 05/13/26 _x86_64_ (2 CPU) 03:17:24 LINUX RESTART (2 CPU) 03:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:30:07 11.17 1.53 8.52 1.12 142.06 1235.51 311.27 03:40:01 1.37 0.01 1.31 0.05 1.12 77.15 0.70 03:50:07 14.71 0.00 1.39 13.32 0.15 48.02 105558.33 04:00:07 1.43 0.00 1.38 0.05 0.00 36.64 0.55 04:10:01 7.05 0.08 5.24 1.72 6.57 760.36 2616.97 Average: 7.17 0.33 3.57 3.28 30.03 430.75 21950.16 03:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:07 5213500 7351088 420664 5.17 84152 2217656 949132 10.34 645924 1978176 2644 03:40:01 5201660 7356844 414616 5.10 84396 2234792 730212 7.95 641068 1995228 1204 03:50:07 5203128 7367224 403944 4.97 84600 2243368 730220 7.95 641032 2003992 148 04:00:07 5192676 7363208 407868 5.02 84800 2249532 705928 7.69 641312 2010320 736 04:10:01 5227688 7320092 459700 5.65 88092 2175936 724404 7.89 696364 1938328 25932 Average: 5207730 7351691 421358 5.18 85208 2224257 767979 8.36 653140 1985209 6133 03:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:07 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:30:07 ens3 77.94 57.08 60.38 12.88 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 27.45 26.08 9.54 2.83 0.00 0.00 0.00 0.00 03:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:07 ens3 14.34 13.19 6.00 1.17 0.00 0.00 0.00 0.00 04:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:07 ens3 12.87 11.20 4.10 1.88 0.00 0.00 0.00 0.00 04:10:01 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 04:10:01 ens3 32.10 26.04 40.54 26.54 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 32.92 26.69 24.07 9.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13119) 05/13/26 _x86_64_ (2 CPU) 03:17:24 LINUX RESTART (2 CPU) 03:20:07 CPU %user %nice %system %iowait %steal %idle 03:30:07 all 9.13 0.00 1.24 0.17 0.05 89.41 03:30:07 0 7.10 0.00 1.16 0.13 0.05 91.56 03:30:07 1 11.15 0.00 1.32 0.21 0.05 87.26 03:40:01 all 5.79 0.00 0.77 0.01 0.06 93.38 03:40:01 0 4.46 0.00 0.64 0.01 0.05 94.84 03:40:01 1 7.12 0.00 0.90 0.01 0.06 91.92 03:50:07 all 2.38 0.00 0.40 0.04 0.05 97.12 03:50:07 0 1.31 0.00 0.24 0.05 0.04 98.35 03:50:07 1 3.45 0.00 0.56 0.02 0.07 95.89 04:00:07 all 4.01 0.00 0.48 0.01 0.06 95.45 04:00:07 0 4.08 0.00 0.39 0.01 0.06 95.47 04:00:07 1 3.94 0.00 0.56 0.01 0.06 95.43 04:10:01 all 7.29 0.00 0.89 0.12 0.06 91.64 04:10:01 0 9.57 0.00 1.04 0.13 0.06 89.19 04:10:01 1 5.00 0.00 0.74 0.12 0.05 94.09 Average: all 5.71 0.00 0.75 0.07 0.05 93.41 Average: 0 5.29 0.00 0.69 0.07 0.05 93.90 Average: 1 6.13 0.00 0.82 0.07 0.06 92.92