---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66136 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 7.8G 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 741 5345 4 2142 7200 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:ac:cd:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84144sec preferred_lft 84144sec inet6 fe80::f816:3eff:feac:cdf1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66136) 04/03/26 _x86_64_ (2 CPU) 01:52:50 LINUX RESTART (2 CPU) 02:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:06 1.19 0.01 1.17 0.01 0.05 14.27 0.75 02:20:06 1.19 0.00 1.19 0.00 0.01 14.23 0.00 02:30:06 6.78 0.08 5.12 1.58 6.13 280.74 4109.90 Average: 3.05 0.03 2.49 0.53 2.07 103.08 1370.18 02:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:06 5340580 7417540 354644 4.36 84128 2157464 641744 6.99 584528 1927184 236 02:20:06 5340388 7417888 354264 4.36 84308 2157828 641904 6.99 584700 1927724 236 02:30:06 5517520 7415832 365676 4.50 87524 1983776 627480 6.83 596892 1755276 25672 Average: 5399496 7417087 358195 4.40 85320 2099689 637043 6.94 588707 1870061 8715 02:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.57 0.14 0.08 0.03 0.00 0.00 0.00 0.00 02:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 0.45 0.19 0.08 0.03 0.00 0.00 0.00 0.00 02:30:06 lo 1.09 1.09 0.07 0.07 0.00 0.00 0.00 0.00 02:30:06 ens3 7.30 5.14 9.46 2.97 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 2.78 1.82 3.21 1.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66136) 04/03/26 _x86_64_ (2 CPU) 01:52:50 LINUX RESTART (2 CPU) 02:00:06 CPU %user %nice %system %iowait %steal %idle 02:10:06 all 0.37 0.00 0.14 0.01 0.04 99.44 02:10:06 0 0.30 0.00 0.16 0.00 0.05 99.48 02:10:06 1 0.44 0.00 0.11 0.01 0.03 99.41 02:20:06 all 0.38 0.00 0.13 0.01 0.04 99.44 02:20:06 0 0.27 0.00 0.17 0.00 0.06 99.51 02:20:06 1 0.49 0.00 0.09 0.01 0.03 99.38 02:30:06 all 4.40 0.00 0.70 0.10 0.04 94.76 02:30:06 0 6.62 0.00 0.84 0.11 0.05 92.38 02:30:06 1 2.19 0.00 0.55 0.09 0.03 97.14 Average: all 1.72 0.00 0.32 0.04 0.04 97.88 Average: 0 2.40 0.00 0.39 0.04 0.05 97.12 Average: 1 1.04 0.00 0.25 0.03 0.03 98.64