---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1311 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: 5600.00 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 8.0G 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 743 5207 4 2283 7197 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:c0:df:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84022sec preferred_lft 84022sec inet6 fe80::f816:3eff:fec0:df20/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1311) 08/02/26 _x86_64_ (2 CPU) 00:10:52 LINUX RESTART (2 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:00 1.96 0.26 1.66 0.04 31.03 80.92 3.32 00:40:00 1.23 0.01 1.20 0.02 1.05 22.23 2.91 00:50:00 18.22 0.08 3.48 14.66 5.92 222.17 107876.86 Average: 7.14 0.11 2.11 4.91 12.67 108.44 35961.03 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:00 5170200 7378232 388064 4.77 87260 2280576 838972 9.14 599976 2044048 180 00:40:00 5173364 7384520 381932 4.70 87436 2283512 642512 7.00 598836 2046852 164 00:50:00 5351540 7383212 393028 4.83 89744 2110488 649624 7.08 637104 1874588 13844 Average: 5231701 7381988 387675 4.77 88147 2224859 710369 7.74 611972 1988496 4729 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 1.53 0.80 3.35 0.10 0.00 0.00 0.00 0.00 00:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:00 ens3 3.55 0.76 0.79 0.39 0.00 0.00 0.00 0.00 00:50:00 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 7.37 5.27 10.77 4.54 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 4.15 2.27 4.97 1.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1311) 08/02/26 _x86_64_ (2 CPU) 00:10:52 LINUX RESTART (2 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:00 all 0.72 0.00 0.28 0.02 0.05 98.93 00:30:00 0 0.48 0.00 0.28 0.02 0.06 99.16 00:30:00 1 0.95 0.00 0.27 0.03 0.05 98.70 00:40:00 all 1.08 0.00 0.15 0.01 0.06 98.70 00:40:00 0 1.80 0.00 0.15 0.01 0.04 98.00 00:40:00 1 0.35 0.00 0.16 0.01 0.08 99.40 00:50:00 all 3.87 0.00 0.46 0.09 0.05 95.52 00:50:00 0 4.89 0.00 0.55 0.05 0.07 94.44 00:50:00 1 2.85 0.00 0.37 0.14 0.04 96.61 Average: all 1.89 0.00 0.30 0.04 0.06 97.72 Average: 0 2.39 0.00 0.33 0.03 0.06 97.20 Average: 1 1.38 0.00 0.27 0.06 0.06 98.23