---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12576 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 731 5309 4 2189 7210 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:05:dd:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81605sec preferred_lft 81605sec inet6 fe80::f816:3eff:fe05:dd87/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12576) 05/11/26 _x86_64_ (2 CPU) 00:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.71 0.02 1.67 0.02 1.89 20.29 440.26 00:20:07 1.68 0.11 1.54 0.03 3.45 19.48 439.47 00:30:07 14.17 0.00 1.60 12.57 0.15 19.61 109350.04 00:40:01 22.73 3.04 17.46 2.22 230.28 3174.43 604.05 00:50:27 1.29 0.00 1.28 0.00 0.00 21.06 0.05 Average: 8.23 0.63 4.66 2.95 46.42 641.01 22019.37 00:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6243928 7522052 297748 3.66 31232 1452312 587476 6.40 460404 1205468 244 00:20:07 6233316 7512128 307548 3.78 31544 1452600 531532 5.79 455356 1205856 60 00:30:07 6233288 7512796 306840 3.77 31740 1453104 531688 5.79 456120 1206396 228 00:40:01 5299636 7421104 350088 4.30 85124 2200320 627304 6.83 583484 1961444 196 00:50:27 5260068 7383548 387600 4.77 85268 2202220 651200 7.09 599892 1963480 252 Average: 5854047 7470326 329965 4.06 52982 1752111 585840 6.38 511051 1508529 196 00:00:07 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 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:07 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:07 ens3 0.23 0.06 0.05 0.02 0.00 0.00 0.00 0.00 00:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:07 ens3 0.50 0.22 0.15 0.55 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 62.44 41.60 305.39 11.25 0.00 0.00 0.00 0.00 00:50:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:27 ens3 11.68 9.14 69.32 1.03 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 14.91 10.15 74.52 2.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12576) 05/11/26 _x86_64_ (2 CPU) 00:00:07 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.27 0.00 0.11 0.01 0.02 99.58 00:10:01 0 0.40 0.00 0.11 0.02 0.02 99.46 00:10:01 1 0.14 0.00 0.12 0.01 0.03 99.70 00:20:07 all 0.50 0.00 0.20 0.01 0.02 99.27 00:20:07 0 0.63 0.00 0.19 0.02 0.02 99.15 00:20:07 1 0.36 0.00 0.21 0.01 0.02 99.39 00:30:07 all 0.30 0.00 0.18 0.03 0.02 99.46 00:30:07 0 0.24 0.00 0.21 0.06 0.02 99.47 00:30:07 1 0.36 0.00 0.16 0.01 0.02 99.45 00:40:01 all 10.87 0.00 1.66 0.59 0.04 86.83 00:40:01 0 12.04 0.00 1.68 0.48 0.05 85.76 00:40:01 1 9.70 0.00 1.64 0.71 0.04 87.91 00:50:27 all 0.84 0.00 0.19 0.01 0.04 98.91 00:50:27 0 0.74 0.00 0.13 0.00 0.03 99.09 00:50:27 1 0.94 0.00 0.25 0.01 0.06 98.74 Average: all 2.52 0.00 0.46 0.13 0.03 96.85 Average: 0 2.77 0.00 0.46 0.11 0.03 96.63 Average: 1 2.28 0.00 0.47 0.15 0.04 97.07