---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26309 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 773 5196 4 2264 7168 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:22:ba:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82503sec preferred_lft 82503sec inet6 fe80::f816:3eff:fe22:ba77/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26309) 06/10/26 _x86_64_ (2 CPU) 00:42:39 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:13 2.09 0.25 1.80 0.03 30.40 76.78 428.46 01:10:13 1.32 0.00 1.30 0.02 0.00 16.05 1.21 01:20:01 1.30 0.00 1.29 0.01 0.01 15.59 0.37 01:30:04 14.04 0.00 1.54 12.50 0.15 18.53 109087.65 01:40:10 1.84 0.39 1.45 0.00 15.63 47.85 0.00 Average: 4.13 0.13 1.48 2.51 9.37 35.22 21932.59 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:13 6250616 7523864 296016 3.64 30912 1447856 728232 7.93 461200 1200656 168 01:10:13 6256172 7529992 289880 3.56 31136 1448184 728296 7.93 461336 1201216 176 01:20:01 6262584 7536924 282892 3.48 31312 1448520 728336 7.93 461824 1201728 240 01:30:04 6272156 7547092 272508 3.35 31500 1448888 728528 7.94 462292 1202256 208 01:40:10 6234752 7524852 294404 3.62 31788 1463692 746376 8.13 487976 1215696 212 Average: 6255256 7532545 287140 3.53 31330 1451428 731954 7.97 466926 1204310 201 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.79 0.26 3.12 0.05 0.00 0.00 0.00 0.00 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 0.96 0.05 6.58 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.59 0.09 0.64 0.06 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.36 0.14 0.08 0.47 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 9.85 4.44 19.81 2.62 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.52 1.00 6.08 0.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26309) 06/10/26 _x86_64_ (2 CPU) 00:42:39 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:13 all 0.43 0.00 0.18 0.02 0.06 99.30 01:00:13 0 0.51 0.00 0.18 0.02 0.09 99.20 01:00:13 1 0.36 0.00 0.18 0.02 0.03 99.40 01:10:13 all 0.23 0.00 0.08 0.01 0.03 99.65 01:10:13 0 0.41 0.00 0.07 0.01 0.03 99.49 01:10:13 1 0.06 0.00 0.09 0.01 0.04 99.81 01:20:01 all 0.26 0.00 0.08 0.01 0.03 99.61 01:20:01 0 0.07 0.00 0.09 0.00 0.04 99.80 01:20:01 1 0.46 0.00 0.06 0.02 0.03 99.43 01:30:04 all 0.31 0.00 0.17 0.03 0.03 99.47 01:30:04 0 0.25 0.00 0.16 0.03 0.04 99.52 01:30:04 1 0.36 0.00 0.17 0.03 0.03 99.41 01:40:10 all 0.51 0.00 0.09 0.01 0.03 99.35 01:40:10 0 0.42 0.00 0.10 0.01 0.03 99.44 01:40:10 1 0.60 0.00 0.08 0.02 0.03 99.27 Average: all 0.35 0.00 0.12 0.02 0.04 99.47 Average: 0 0.33 0.00 0.12 0.01 0.04 99.49 Average: 1 0.37 0.00 0.12 0.02 0.03 99.46