---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-110 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 771 5265 4 2195 7170 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:ba:20:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81990sec preferred_lft 81990sec inet6 fe80::f816:3eff:feba:201e/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-110) 07/29/26 _x86_64_ (2 CPU) 00:40:13 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.41 0.01 1.38 0.02 0.05 17.37 870.74 01:10:00 1.19 0.00 1.17 0.02 0.00 14.24 1.20 01:20:00 13.86 0.01 1.30 12.55 0.16 15.27 109183.57 01:30:05 1.94 0.25 1.65 0.04 31.77 77.56 649.45 01:40:06 1.27 0.00 1.26 0.02 0.00 15.14 1.20 01:50:07 12.35 1.44 10.10 0.81 106.40 1574.18 772.66 Average: 5.33 0.28 2.81 2.24 23.08 285.44 18551.52 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6298576 7545860 274728 3.38 30728 1422232 529700 5.77 447676 1183636 124 01:10:00 6298324 7546156 274420 3.37 30944 1422560 529700 5.77 447772 1184180 128 01:20:00 6303232 7551644 268740 3.30 31148 1422932 529784 5.77 448284 1184728 132 01:30:05 6243584 7519724 300072 3.69 31560 1449852 529944 5.77 457424 1202984 220 01:40:06 6243360 7520160 299700 3.69 31756 1450308 531564 5.79 457504 1203508 184 01:50:07 5358896 7333352 447328 5.50 70248 2075836 713024 7.77 655120 1852504 267500 Average: 6124329 7502816 310831 3.82 37731 1540620 560619 6.11 485630 1301923 44715 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.45 0.05 0.05 0.01 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.41 0.08 0.08 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.57 0.16 0.18 0.11 0.00 0.00 0.00 0.00 01:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.98 0.49 3.27 0.07 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.46 0.23 0.12 0.65 0.00 0.00 0.00 0.00 01:50:07 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:50:07 ens3 40.38 24.75 277.18 5.93 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.20 4.29 46.77 1.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-110) 07/29/26 _x86_64_ (2 CPU) 00:40:13 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.24 0.00 0.17 0.01 0.03 99.56 01:00:02 0 0.21 0.00 0.18 0.02 0.03 99.57 01:00:02 1 0.27 0.00 0.16 0.00 0.03 99.54 01:10:00 all 0.22 0.00 0.07 0.01 0.03 99.67 01:10:00 0 0.30 0.00 0.07 0.01 0.03 99.59 01:10:00 1 0.14 0.00 0.08 0.00 0.03 99.75 01:20:00 all 0.27 0.00 0.09 0.03 0.03 99.59 01:20:00 0 0.29 0.00 0.09 0.05 0.02 99.55 01:20:00 1 0.25 0.00 0.08 0.00 0.03 99.63 01:30:05 all 0.41 0.00 0.20 0.02 0.03 99.35 01:30:05 0 0.31 0.00 0.24 0.04 0.03 99.38 01:30:05 1 0.50 0.00 0.16 0.00 0.03 99.31 01:40:06 all 0.28 0.00 0.07 0.01 0.02 99.62 01:40:06 0 0.33 0.00 0.06 0.00 0.02 99.58 01:40:06 1 0.23 0.00 0.07 0.02 0.02 99.66 01:50:07 all 5.72 0.00 0.81 0.32 0.04 93.11 01:50:07 0 6.92 0.00 0.87 0.50 0.03 91.67 01:50:07 1 4.51 0.00 0.75 0.14 0.05 94.55 Average: all 1.19 0.00 0.23 0.07 0.03 98.48 Average: 0 1.39 0.00 0.25 0.10 0.03 98.23 Average: 1 0.98 0.00 0.22 0.03 0.03 98.74