---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26013 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: 5599.94 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 834 5029 4 2370 7107 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:69:19:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83610sec preferred_lft 83610sec inet6 fe80::f816:3eff:fe69:197e/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-26013) 06/09/26 _x86_64_ (2 CPU) 01:48:14 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 13.76 1.58 10.60 1.58 122.29 2146.81 371.35 02:10:01 1.26 0.01 1.24 0.01 0.05 40.79 0.48 02:20:01 1.22 0.00 1.22 0.00 0.01 43.03 0.00 02:30:01 1.97 0.25 1.69 0.03 30.94 106.78 0.65 Average: 4.56 0.46 3.69 0.40 38.36 584.99 93.23 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 5214736 7408592 358980 4.41 85780 2268632 694740 7.57 586988 2039148 236 02:10:01 5202896 7405240 362136 4.45 85924 2276976 681588 7.42 590856 2047636 836 02:20:01 5192832 7403984 363368 4.47 86080 2285632 683396 7.44 592136 2056440 856 02:30:01 5124932 7371672 395144 4.86 86380 2320456 857784 9.34 610652 2082808 744 Average: 5183849 7397372 369907 4.55 86041 2287924 729377 7.94 595158 2056508 668 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:00:01 ens3 87.45 67.67 122.27 13.15 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 20.72 19.07 5.02 2.31 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 15.04 14.08 3.90 1.28 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 14.86 13.39 12.00 2.00 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 34.54 28.57 35.83 4.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26013) 06/09/26 _x86_64_ (2 CPU) 01:48:14 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 10.96 0.00 1.65 0.25 0.05 87.09 02:00:01 0 11.73 0.00 2.00 0.29 0.05 85.93 02:00:01 1 10.19 0.00 1.30 0.21 0.06 88.25 02:10:01 all 5.60 0.00 0.81 0.01 0.06 93.53 02:10:01 0 5.09 0.00 0.77 0.01 0.06 94.08 02:10:01 1 6.10 0.00 0.85 0.01 0.06 92.99 02:20:01 all 2.53 0.00 0.43 0.01 0.06 96.98 02:20:01 0 3.47 0.00 0.56 0.02 0.07 95.89 02:20:01 1 1.58 0.00 0.30 0.01 0.05 98.06 02:30:01 all 4.25 0.00 0.54 0.03 0.05 95.13 02:30:01 0 4.36 0.00 0.43 0.02 0.05 95.14 02:30:01 1 4.15 0.00 0.65 0.03 0.05 95.12 Average: all 5.84 0.00 0.86 0.07 0.06 93.18 Average: 0 6.17 0.00 0.94 0.08 0.06 92.76 Average: 1 5.50 0.00 0.77 0.06 0.05 93.61