---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39194 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 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 766 5171 4 2297 7175 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:77:ed:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81724sec preferred_lft 81724sec inet6 fe80::f816:3eff:fe77:ed79/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39194) 07/27/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.49 0.01 1.46 0.02 0.81 17.81 436.15 00:20:01 1.57 0.11 1.43 0.02 3.48 18.54 259.16 00:30:03 1.33 0.00 1.32 0.01 0.00 16.51 650.31 00:40:03 23.43 2.84 18.26 2.33 225.21 3520.67 681.04 00:50:00 1.65 0.05 1.33 0.27 1.57 60.99 1462.50 Average: 5.89 0.60 4.76 0.53 46.21 726.86 696.83 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6266760 7542736 277136 3.41 31276 1449944 529064 5.76 449228 1202480 124 00:20:01 6261928 7538488 281256 3.46 31616 1450100 528308 5.75 449172 1202760 288 00:30:03 6267260 7544484 275244 3.38 31772 1450600 528528 5.76 449908 1203284 304 00:40:03 5238292 7456384 309600 3.81 87404 2289936 556812 6.06 550840 2052696 268 00:50:00 5368772 7416036 358884 4.41 87628 2126964 598428 6.52 597100 1889784 12776 Average: 5880602 7499626 300424 3.69 53939 1753509 548228 5.97 499250 1510201 2752 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:00 ens3 0.31 0.07 0.08 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 0.21 0.05 0.03 0.02 0.00 0.00 0.00 0.00 00:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:03 ens3 0.43 0.18 0.11 0.62 0.00 0.00 0.00 0.00 00:40:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:03 ens3 109.56 74.08 332.88 17.29 0.00 0.00 0.00 0.00 00:50:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 24.54 16.53 13.76 6.23 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 26.98 18.16 69.36 4.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39194) 07/27/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.26 0.00 0.10 0.04 0.02 99.59 00:10:00 0 0.06 0.00 0.11 0.06 0.02 99.75 00:10:00 1 0.46 0.00 0.09 0.01 0.01 99.43 00:20:01 all 0.50 0.00 0.19 0.01 0.02 99.28 00:20:01 0 0.29 0.00 0.21 0.02 0.02 99.46 00:20:01 1 0.71 0.00 0.18 0.01 0.02 99.09 00:30:03 all 0.27 0.00 0.17 0.01 0.01 99.54 00:30:03 0 0.39 0.00 0.15 0.00 0.01 99.45 00:30:03 1 0.15 0.00 0.18 0.02 0.02 99.63 00:40:03 all 12.08 0.00 1.79 0.67 0.04 85.42 00:40:03 0 11.31 0.00 1.80 0.85 0.03 86.01 00:40:03 1 12.84 0.00 1.77 0.50 0.05 84.84 00:50:00 all 5.88 0.00 0.65 0.02 0.04 93.41 00:50:00 0 5.60 0.00 0.65 0.02 0.05 93.69 00:50:00 1 6.17 0.00 0.64 0.01 0.04 93.14 Average: all 3.79 0.00 0.58 0.15 0.03 95.46 Average: 0 3.52 0.00 0.58 0.19 0.03 95.68 Average: 1 4.05 0.00 0.57 0.11 0.03 95.24