---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22402 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 790 5187 4 2255 7151 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:23:3c:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82444sec preferred_lft 82444sec inet6 fe80::f816:3eff:fe23:3cc4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22402) 06/02/26 _x86_64_ (2 CPU) 00:42:08 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.94 0.26 1.65 0.02 31.03 75.63 653.89 01:10:00 1.11 0.00 1.09 0.02 0.00 13.83 1.20 01:20:00 1.16 0.00 1.15 0.02 0.01 14.31 1.20 01:30:00 1.39 0.00 1.36 0.03 0.00 17.36 872.14 01:40:00 1.18 0.00 1.17 0.02 0.00 14.67 1.32 Average: 1.36 0.05 1.28 0.02 6.21 27.16 305.98 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6231156 7504696 315676 3.88 30836 1448020 735920 8.02 465432 1200488 144 01:10:00 6238296 7512372 308064 3.79 31044 1448348 736044 8.02 465632 1201024 124 01:20:00 6245884 7520508 299912 3.69 31248 1448688 736108 8.02 466192 1201564 184 01:30:00 6249468 7524660 295716 3.64 31464 1449008 736256 8.02 465988 1202104 120 01:40:00 6247200 7522932 297444 3.66 31668 1449336 736352 8.02 466472 1202636 124 Average: 6242401 7517034 303362 3.73 31252 1448680 736136 8.02 465943 1201563 139 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.95 0.30 3.18 0.05 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 0.73 0.08 4.92 0.06 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 0.60 0.15 0.12 0.42 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.45 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.65 0.14 0.21 0.12 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 0.67 0.14 1.70 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22402) 06/02/26 _x86_64_ (2 CPU) 00:42:08 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.38 0.00 0.20 0.02 0.03 99.37 01:00:00 0 0.42 0.00 0.20 0.03 0.03 99.32 01:00:00 1 0.34 0.00 0.20 0.02 0.03 99.42 01:10:00 all 0.21 0.00 0.07 0.02 0.03 99.67 01:10:00 0 0.30 0.00 0.08 0.03 0.03 99.57 01:10:00 1 0.12 0.00 0.07 0.01 0.03 99.77 01:20:00 all 0.25 0.00 0.07 0.01 0.03 99.64 01:20:00 0 0.35 0.00 0.06 0.01 0.02 99.55 01:20:00 1 0.15 0.00 0.07 0.01 0.04 99.73 01:30:00 all 0.26 0.00 0.16 0.01 0.03 99.54 01:30:00 0 0.20 0.00 0.18 0.02 0.03 99.57 01:30:00 1 0.32 0.00 0.14 0.01 0.03 99.51 01:40:00 all 0.24 0.00 0.06 0.01 0.03 99.66 01:40:00 0 0.05 0.00 0.08 0.00 0.04 99.84 01:40:00 1 0.43 0.00 0.04 0.02 0.02 99.48 Average: all 0.27 0.00 0.11 0.02 0.03 99.58 Average: 0 0.26 0.00 0.12 0.02 0.03 99.57 Average: 1 0.27 0.00 0.10 0.01 0.03 99.58