---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2168 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 810 5147 4 2273 7131 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:5f:00:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83455sec preferred_lft 83455sec inet6 fe80::f816:3eff:fe5f:da/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-2168) 04/12/26 _x86_64_ (2 CPU) 00:14:50 LINUX RESTART (2 CPU) 00:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:16 1.72 0.01 1.69 0.02 0.05 26.18 429.34 00:40:26 21.32 2.98 16.13 2.21 224.51 3087.80 912.05 00:50:26 15.01 0.00 1.58 13.43 0.15 58.96 106803.29 01:00:26 1.62 0.00 1.59 0.02 0.35 96.08 0.69 Average: 9.93 0.75 5.28 3.90 56.73 823.37 26818.44 00:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:16 6236632 7511104 308520 3.79 30888 1449076 723892 7.88 469004 1200240 180 00:40:26 5269036 7376520 394972 4.86 84528 2187324 850108 9.26 628060 1946536 1516 00:50:26 5248096 7367052 404444 4.97 84672 2198680 873168 9.51 635628 1958028 216 01:00:26 5217800 7361500 409852 5.04 84852 2223168 868860 9.46 638532 1982600 1920 Average: 5492891 7404044 379447 4.67 71235 2014562 829007 9.03 592806 1771851 958 00:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.94 0.10 0.16 0.07 0.00 0.00 0.00 0.00 00:40:26 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:26 ens3 67.10 42.80 295.04 11.34 0.00 0.00 0.00 0.00 00:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:26 ens3 34.28 29.29 7.32 3.80 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 43.85 43.20 10.16 6.24 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 36.52 28.78 78.74 5.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2168) 04/12/26 _x86_64_ (2 CPU) 00:14:50 LINUX RESTART (2 CPU) 00:20:06 CPU %user %nice %system %iowait %steal %idle 00:30:16 all 0.37 0.00 0.17 0.01 0.03 99.42 00:30:16 0 0.37 0.00 0.16 0.01 0.02 99.44 00:30:16 1 0.38 0.00 0.17 0.02 0.03 99.40 00:40:26 all 10.84 0.00 1.62 0.60 0.05 86.88 00:40:26 0 9.43 0.00 1.52 0.61 0.05 88.39 00:40:26 1 12.25 0.00 1.71 0.60 0.06 85.38 00:50:26 all 5.42 0.00 0.45 0.04 0.08 94.02 00:50:26 0 5.56 0.00 0.47 0.04 0.07 93.87 00:50:26 1 5.28 0.00 0.44 0.04 0.08 94.16 01:00:26 all 8.22 0.00 0.61 0.01 0.08 91.08 01:00:26 0 11.21 0.00 0.67 0.02 0.08 88.02 01:00:26 1 5.24 0.00 0.55 0.01 0.07 94.13 Average: all 6.20 0.00 0.71 0.17 0.06 92.86 Average: 0 6.62 0.00 0.71 0.17 0.06 92.45 Average: 1 5.79 0.00 0.72 0.17 0.06 93.26