---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11917 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 7.9G 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 793 5171 4 2274 7148 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:15:d0:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8752sec preferred_lft 8752sec inet6 fe80::f816:3eff:fe15:d0a9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11917) 05/09/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:19 1.76 0.01 1.73 0.01 0.79 20.72 0.22 00:20:19 1.85 0.11 1.72 0.03 3.05 23.68 522.10 00:30:01 1.79 0.00 1.78 0.01 0.00 19.68 0.36 00:40:02 22.47 3.00 17.26 2.21 226.16 3152.31 628.63 Average: 6.97 0.78 5.63 0.57 57.58 805.16 287.95 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:19 6113240 7514156 294148 3.62 55616 1541392 543524 5.92 478856 1314208 388 00:20:19 6140800 7503600 304684 3.75 55716 1503120 541916 5.90 477636 1275820 248 00:30:01 6134860 7498108 310144 3.81 55824 1503440 541980 5.90 477576 1276248 240 00:40:02 5432176 7444360 324956 4.00 104388 2071100 621168 6.77 561596 1847120 1680 Average: 5955269 7490056 308483 3.79 67886 1654763 562147 6.12 498916 1428349 639 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:19 ens3 0.26 0.07 0.08 0.04 0.00 0.00 0.00 0.00 00:20:19 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:19 ens3 0.21 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.51 0.12 0.17 0.09 0.00 0.00 0.00 0.00 00:40:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 65.12 46.12 303.25 12.49 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.54 11.61 75.99 3.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11917) 05/09/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:19 all 0.20 0.00 0.09 0.01 0.03 99.66 00:10:19 0 0.18 0.00 0.09 0.00 0.03 99.69 00:10:19 1 0.23 0.00 0.10 0.02 0.03 99.63 00:20:19 all 0.65 0.00 0.21 0.01 0.03 99.10 00:20:19 0 0.72 0.00 0.15 0.01 0.02 99.10 00:20:19 1 0.59 0.00 0.26 0.01 0.05 99.09 00:30:01 all 0.25 0.00 0.14 0.01 0.03 99.57 00:30:01 0 0.43 0.00 0.13 0.01 0.02 99.42 00:30:01 1 0.06 0.00 0.16 0.01 0.04 99.72 00:40:02 all 12.43 0.00 1.86 0.48 0.06 85.18 00:40:02 0 15.34 0.00 2.10 0.64 0.05 81.87 00:40:02 1 9.51 0.00 1.62 0.32 0.07 88.49 Average: all 3.38 0.00 0.57 0.13 0.04 95.88 Average: 0 4.16 0.00 0.62 0.16 0.03 95.02 Average: 1 2.60 0.00 0.53 0.09 0.05 96.73