---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29244 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 8.0G 30G 22% / 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 769 5109 4 2355 7172 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:a8:43:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82366sec preferred_lft 82366sec inet6 fe80::f816:3eff:fea8:4312/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29244) 06/22/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.47 0.02 1.42 0.03 0.81 17.92 437.26 00:20:01 1.58 0.11 1.44 0.02 3.48 18.38 403.49 00:30:01 2.62 0.78 1.80 0.03 52.01 156.70 0.47 00:40:01 25.72 2.68 20.08 2.96 213.13 3807.40 2510.50 Average: 7.85 0.90 6.19 0.76 67.36 1000.12 837.94 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6297200 7549932 270288 3.32 31148 1427368 528860 5.76 438216 1188900 240 00:20:01 6284116 7537392 282784 3.48 31464 1427520 529952 5.77 441364 1189152 124 00:30:01 6154956 7481396 334836 4.12 35948 1493144 791492 8.62 519628 1248548 10892 00:40:01 5242468 7346076 429408 5.28 88716 2182804 672056 7.32 651716 1946556 22452 Average: 5994685 7478699 329329 4.05 46819 1632709 630590 6.87 512731 1393289 8427 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.35 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.26 0.05 0.05 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 19.66 10.75 53.78 4.62 0.00 0.00 0.00 0.00 00:40:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 71.23 51.32 308.67 18.76 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 22.88 15.55 90.64 5.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29244) 06/22/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.11 0.01 0.03 99.60 00:10:01 0 0.30 0.00 0.10 0.01 0.03 99.56 00:10:01 1 0.20 0.00 0.12 0.01 0.03 99.63 00:20:01 all 0.50 0.00 0.20 0.01 0.03 99.26 00:20:01 0 0.62 0.00 0.17 0.01 0.02 99.18 00:20:01 1 0.38 0.00 0.22 0.02 0.04 99.34 00:30:01 all 0.86 0.00 0.28 0.03 0.03 98.81 00:30:01 0 0.77 0.00 0.28 0.02 0.04 98.88 00:30:01 1 0.94 0.00 0.28 0.03 0.03 98.73 00:40:01 all 17.42 0.00 1.82 0.51 0.06 80.18 00:40:01 0 14.40 0.00 1.88 0.38 0.06 83.28 00:40:01 1 20.44 0.00 1.76 0.65 0.06 77.08 Average: all 4.75 0.00 0.60 0.14 0.04 94.47 Average: 0 4.02 0.00 0.61 0.10 0.04 95.23 Average: 1 5.49 0.00 0.59 0.18 0.04 93.70