---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7970 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 756 5208 4 2265 7184 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:d8:fd:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81634sec preferred_lft 81634sec inet6 fe80::f816:3eff:fed8:fd5f/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-7970) 03/22/26 _x86_64_ (2 CPU) 00:39:30 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 2.26 0.35 1.86 0.05 41.50 84.60 1.03 01:00:17 1.40 0.01 1.36 0.03 0.05 16.70 0.96 01:10:07 1.23 0.00 1.21 0.02 0.00 14.33 1.22 01:20:17 13.67 0.00 1.30 12.36 0.16 16.12 107341.23 01:30:17 1.48 0.00 1.44 0.04 0.00 17.75 1.45 01:40:17 1.37 0.02 1.32 0.02 2.15 16.07 1.24 01:50:17 22.02 3.02 16.76 2.25 226.11 3121.03 851.57 Average: 6.21 0.48 3.60 2.13 38.41 467.67 15648.41 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6241680 7516252 303580 3.73 30724 1449364 528272 5.75 458384 1199600 296 01:00:17 6252300 7527436 292300 3.59 30924 1449704 528272 5.75 458596 1200140 128 01:10:07 6252076 7527740 291988 3.59 31124 1450024 528300 5.75 458752 1200660 120 01:20:17 6251576 7527864 291776 3.59 31356 1450400 583612 6.36 464680 1201236 132 01:30:17 6252616 7529448 290196 3.57 31564 1450728 528536 5.76 459568 1201776 124 01:40:17 6255888 7534048 285620 3.51 31788 1451820 528672 5.76 460476 1202404 124 01:50:17 5362436 7466024 305600 3.76 85024 2182964 554084 6.04 548592 1941684 492 Average: 6124082 7518402 294437 3.62 38929 1555001 539964 5.88 472721 1306786 202 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.04 0.33 3.37 0.13 0.00 0.00 0.00 0.00 01:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 0.75 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.69 0.07 1.45 0.04 0.00 0.00 0.00 0.00 01:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 0.71 0.08 1.16 0.06 0.00 0.00 0.00 0.00 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.44 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:40:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.62 0.26 0.13 0.68 0.00 0.00 0.00 0.00 01:50:17 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:17 ens3 64.75 40.42 295.41 10.79 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 10.11 5.87 42.93 1.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7970) 03/22/26 _x86_64_ (2 CPU) 00:39:30 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.42 0.00 0.19 0.03 0.03 99.33 00:50:01 0 0.26 0.00 0.18 0.03 0.03 99.50 00:50:01 1 0.59 0.00 0.20 0.03 0.03 99.16 01:00:17 all 0.28 0.00 0.16 0.01 0.03 99.52 01:00:17 0 0.08 0.00 0.17 0.01 0.03 99.71 01:00:17 1 0.48 0.00 0.14 0.01 0.02 99.34 01:10:07 all 0.29 0.00 0.08 0.02 0.03 99.59 01:10:07 0 0.26 0.00 0.07 0.01 0.03 99.63 01:10:07 1 0.31 0.00 0.08 0.03 0.03 99.55 01:20:17 all 0.26 0.00 0.10 0.03 0.03 99.57 01:20:17 0 0.25 0.00 0.08 0.00 0.03 99.64 01:20:17 1 0.28 0.00 0.13 0.06 0.03 99.51 01:30:17 all 0.27 0.00 0.17 0.02 0.03 99.52 01:30:17 0 0.07 0.00 0.19 0.03 0.03 99.68 01:30:17 1 0.46 0.00 0.15 0.01 0.03 99.36 01:40:17 all 0.27 0.00 0.09 0.01 0.03 99.60 01:40:17 0 0.15 0.00 0.10 0.02 0.04 99.70 01:40:17 1 0.40 0.00 0.08 0.01 0.02 99.50 01:50:17 all 10.67 0.00 1.64 0.60 0.05 87.04 01:50:17 0 10.41 0.00 1.56 0.50 0.04 87.48 01:50:17 1 10.92 0.00 1.72 0.70 0.05 86.60 Average: all 1.77 0.00 0.35 0.10 0.03 97.75 Average: 0 1.63 0.00 0.34 0.08 0.03 97.91 Average: 1 1.91 0.00 0.36 0.12 0.03 97.58