---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8336 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 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 763 5277 4 2189 7178 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:d9:5a:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82421sec preferred_lft 82421sec inet6 fe80::f816:3eff:fed9:5abb/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-8336) 04/27/26 _x86_64_ (2 CPU) 00:41:37 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.58 0.01 1.56 0.02 0.05 18.97 872.83 01:10:01 14.54 0.32 1.67 12.55 40.21 75.08 109157.38 01:20:02 1.29 0.00 1.28 0.01 0.01 15.18 0.84 01:30:01 1.61 0.00 1.58 0.03 0.00 19.26 655.81 01:40:01 1.79 0.40 1.38 0.02 15.78 48.18 1.33 Average: 4.17 0.15 1.49 2.53 11.22 35.34 22150.65 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6294880 7546116 274416 3.37 30732 1426136 528216 5.75 440368 1187532 180 01:10:01 6245892 7526516 293448 3.61 31088 1454776 531252 5.79 459240 1205132 160 01:20:02 6246464 7527612 292356 3.59 31272 1455108 531320 5.79 459544 1205648 212 01:30:01 6243848 7525572 294384 3.62 31508 1455436 531380 5.79 459532 1206212 128 01:40:01 6209316 7506424 313316 3.85 31856 1470248 573124 6.24 498572 1219728 352 Average: 6248080 7526448 293584 3.61 31291 1452341 539058 5.87 463451 1204850 206 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.52 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.54 0.19 3.33 0.04 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.59 0.09 0.69 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 16.87 8.31 24.34 3.41 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 3.76 1.74 5.71 0.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8336) 04/27/26 _x86_64_ (2 CPU) 00:41:37 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.17 0.01 0.04 99.49 01:00:01 0 0.21 0.00 0.17 0.00 0.04 99.58 01:00:01 1 0.38 0.00 0.16 0.02 0.04 99.39 01:10:01 all 0.41 0.00 0.12 0.05 0.04 99.37 01:10:01 0 0.28 0.00 0.13 0.03 0.04 99.53 01:10:01 1 0.55 0.00 0.11 0.08 0.04 99.21 01:20:02 all 0.22 0.00 0.07 0.01 0.04 99.67 01:20:02 0 0.38 0.00 0.07 0.02 0.03 99.51 01:20:02 1 0.05 0.00 0.08 0.00 0.05 99.82 01:30:01 all 0.27 0.00 0.17 0.01 0.04 99.51 01:30:01 0 0.18 0.00 0.17 0.02 0.04 99.59 01:30:01 1 0.36 0.00 0.16 0.00 0.04 99.43 01:40:01 all 0.47 0.00 0.11 0.01 0.03 99.38 01:40:01 0 0.31 0.00 0.14 0.01 0.03 99.51 01:40:01 1 0.63 0.00 0.08 0.02 0.03 99.25 Average: all 0.33 0.00 0.13 0.02 0.04 99.48 Average: 0 0.27 0.00 0.13 0.02 0.04 99.54 Average: 1 0.40 0.00 0.12 0.02 0.04 99.42