---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6921 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 7.8G 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 751 5300 4 2184 7190 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:29:10:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7467sec preferred_lft 7467sec inet6 fe80::f816:3eff:fe29:1026/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6921) 04/24/26 _x86_64_ (2 CPU) 00:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.89 0.02 1.85 0.02 0.84 21.88 223.79 00:20:21 1.99 0.10 1.85 0.04 2.95 25.74 531.77 00:30:20 1.88 0.00 1.87 0.02 0.00 20.80 0.24 00:40:01 1.47 0.00 1.47 0.00 0.00 15.93 0.00 00:50:00 1.84 0.26 1.58 0.00 9.07 36.37 0.00 Average: 1.82 0.08 1.73 0.01 2.60 24.22 154.24 00:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6113200 7512020 296800 3.65 54292 1540472 553860 6.03 480348 1309216 128 00:20:21 6128640 7489160 319508 3.93 54476 1501916 550880 6.00 478868 1270624 276 00:30:20 6136496 7497580 311076 3.83 54576 1502372 550880 6.00 478896 1271056 232 00:40:01 6137264 7498744 309912 3.81 54684 1502660 550880 6.00 479012 1271452 276 00:50:00 6133904 7504428 304220 3.74 54848 1511544 558908 6.09 488548 1279672 136 Average: 6129901 7500386 308303 3.79 54575 1511793 553082 6.02 481134 1280404 210 00:00:21 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 0.21 0.06 0.07 0.04 0.00 0.00 0.00 0.00 00:20:21 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:20:21 ens3 0.14 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:20 ens3 0.54 0.08 0.15 0.07 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 0.48 0.08 0.12 0.06 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 4.49 2.97 11.87 2.43 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 1.18 0.65 2.47 0.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6921) 04/24/26 _x86_64_ (2 CPU) 00:00:21 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.23 0.00 0.10 0.01 0.04 99.62 00:10:01 0 0.04 0.00 0.12 0.02 0.04 99.78 00:10:01 1 0.42 0.00 0.08 0.00 0.03 99.47 00:20:21 all 0.63 0.00 0.22 0.01 0.04 99.10 00:20:21 0 0.48 0.00 0.24 0.01 0.05 99.22 00:20:21 1 0.79 0.00 0.20 0.02 0.02 98.97 00:30:20 all 0.22 0.00 0.16 0.01 0.04 99.58 00:30:20 0 0.22 0.00 0.17 0.01 0.04 99.57 00:30:20 1 0.21 0.00 0.15 0.02 0.04 99.59 00:40:01 all 0.24 0.00 0.06 0.01 0.03 99.65 00:40:01 0 0.44 0.00 0.04 0.02 0.02 99.49 00:40:01 1 0.05 0.00 0.08 0.01 0.05 99.82 00:50:00 all 0.30 0.00 0.08 0.01 0.04 99.58 00:50:00 0 0.26 0.00 0.08 0.01 0.04 99.60 00:50:00 1 0.33 0.00 0.08 0.01 0.03 99.55 Average: all 0.33 0.00 0.12 0.01 0.04 99.50 Average: 0 0.29 0.00 0.13 0.01 0.04 99.53 Average: 1 0.36 0.00 0.12 0.01 0.03 99.47