---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10564 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 737 5317 4 2175 7204 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:75:e5:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84180sec preferred_lft 84180sec inet6 fe80::f816:3eff:fe75:e5c9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10564) 05/03/26 _x86_64_ (2 CPU) 01:56:27 LINUX RESTART (2 CPU) 02:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 3.32 0.04 3.12 0.17 2.25 655.29 6.91 02:20:08 1.80 0.26 1.53 0.01 30.69 73.48 0.29 02:30:08 1.39 0.00 1.38 0.01 0.00 17.45 0.55 Average: 2.16 0.10 2.00 0.06 11.09 246.50 2.56 02:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 5326140 7413856 358228 4.40 83892 2168256 629988 6.86 575828 1937056 152 02:20:08 5273728 7387764 384000 4.72 84156 2194212 825360 8.99 590268 1954516 176 02:30:08 5266536 7381104 390616 4.80 84296 2194568 825512 8.99 590396 1955020 160 Average: 5288801 7394241 377615 4.64 84115 2185679 760287 8.28 585497 1948864 163 02:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 22.48 15.29 4.49 3.86 0.00 0.00 0.00 0.00 02:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.91 0.39 3.16 0.05 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.62 0.27 0.11 0.04 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.92 5.26 2.58 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10564) 05/03/26 _x86_64_ (2 CPU) 01:56:27 LINUX RESTART (2 CPU) 02:00:08 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 1.01 0.00 0.24 0.07 0.07 98.60 02:10:01 0 0.93 0.00 0.21 0.07 0.06 98.72 02:10:01 1 1.10 0.00 0.28 0.07 0.08 98.47 02:20:08 all 0.50 0.00 0.16 0.16 0.07 99.11 02:20:08 0 0.39 0.00 0.20 0.27 0.09 99.06 02:20:08 1 0.61 0.00 0.12 0.05 0.04 99.17 02:30:08 all 0.40 0.00 0.21 0.03 0.07 99.29 02:30:08 0 0.34 0.00 0.23 0.06 0.07 99.30 02:30:08 1 0.47 0.00 0.19 0.01 0.06 99.28 Average: all 0.64 0.00 0.20 0.09 0.07 99.00 Average: 0 0.55 0.00 0.21 0.13 0.07 99.03 Average: 1 0.72 0.00 0.20 0.04 0.06 98.98