---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15918 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 791 5102 4 2344 7150 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:b6:63:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83514sec preferred_lft 83514sec inet6 fe80::f816:3eff:feb6:6390/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15918) 05/17/26 _x86_64_ (2 CPU) 00:16:48 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:26 2.10 0.27 1.82 0.02 30.94 75.48 418.83 00:40:16 22.45 3.07 17.09 2.29 232.55 3221.04 745.44 00:50:01 29.94 13.90 2.20 13.84 155.27 90.68 109583.34 01:00:26 1.55 0.00 1.53 0.01 0.33 87.51 0.22 Average: 13.62 4.17 5.55 3.90 102.09 847.67 26713.49 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:26 6255388 7532344 287652 3.54 30824 1451412 735644 8.01 461008 1204352 124 00:40:16 5319536 7439260 332432 4.09 84444 2199188 593344 6.46 573072 1959860 128 00:50:01 5181156 7368980 393916 4.84 87884 2255704 687284 7.49 626724 2019192 176 01:00:26 5162832 7373264 389356 4.79 88064 2278020 682724 7.44 629576 2041576 1188 Average: 5479728 7428462 350839 4.31 72804 2046081 674749 7.35 572595 1806245 404 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:26 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:26 ens3 1.30 0.23 3.12 0.06 0.00 0.00 0.00 0.00 00:40:16 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:16 ens3 68.48 44.39 307.97 11.59 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 39.67 33.34 8.30 4.18 0.00 0.00 0.00 0.00 01:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:26 ens3 29.85 29.41 8.61 5.07 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 34.26 26.49 79.97 5.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15918) 05/17/26 _x86_64_ (2 CPU) 00:16:48 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:26 all 0.43 0.00 0.21 0.02 0.03 99.31 00:30:26 0 0.64 0.00 0.21 0.03 0.02 99.10 00:30:26 1 0.23 0.00 0.20 0.01 0.03 99.53 00:40:16 all 10.87 0.00 1.65 0.45 0.05 86.99 00:40:16 0 11.22 0.00 1.53 0.35 0.05 86.85 00:40:16 1 10.52 0.00 1.76 0.54 0.04 87.13 00:50:01 all 5.96 0.19 0.62 0.17 0.07 92.99 00:50:01 0 7.41 0.17 0.64 0.17 0.07 91.54 00:50:01 1 4.52 0.21 0.60 0.17 0.07 94.43 01:00:26 all 7.67 0.00 0.59 0.01 0.06 91.67 01:00:26 0 6.84 0.00 0.55 0.01 0.06 92.54 01:00:26 1 8.50 0.00 0.64 0.01 0.06 90.79 Average: all 6.17 0.05 0.76 0.16 0.05 92.82 Average: 0 6.44 0.04 0.72 0.14 0.05 92.61 Average: 1 5.90 0.05 0.79 0.18 0.05 93.03