---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27743 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 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 768 5108 4 2366 7173 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:35:be:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7696sec preferred_lft 7696sec inet6 fe80::f816:3eff:fe35:beb6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27743) 06/17/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:16 1.81 0.01 1.78 0.02 0.81 21.18 216.44 00:20:04 1.86 0.11 1.73 0.03 3.11 24.06 369.76 00:30:16 1.76 0.00 1.75 0.01 0.00 19.12 212.53 00:40:04 25.14 3.05 19.76 2.34 229.34 3507.74 1069.73 Average: 7.56 0.78 6.19 0.59 57.50 880.79 463.56 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:16 6128288 7531488 276912 3.40 57372 1541880 551072 6.00 467556 1316500 324 00:20:04 6135428 7500232 308104 3.79 57496 1503316 548828 5.98 466208 1277844 268 00:30:16 6144580 7509848 298388 3.67 57612 1503652 548888 5.98 466240 1278292 304 00:40:04 5171484 7449656 306700 3.77 107512 2322260 576988 6.28 551316 2101688 252 Average: 5894945 7497806 297526 3.66 69998 1717777 556444 6.06 487830 1493581 287 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:16 ens3 0.23 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:04 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:04 ens3 0.15 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.52 0.14 0.17 0.10 0.00 0.00 0.00 0.00 00:40:04 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:04 ens3 100.02 71.53 327.32 17.67 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 24.88 17.69 80.75 4.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27743) 06/17/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:16 all 0.21 0.00 0.11 0.01 0.03 99.64 00:10:16 0 0.05 0.00 0.11 0.02 0.04 99.79 00:10:16 1 0.36 0.00 0.11 0.01 0.03 99.50 00:20:04 all 0.64 0.00 0.22 0.02 0.03 99.09 00:20:04 0 0.81 0.00 0.19 0.03 0.02 98.95 00:20:04 1 0.46 0.00 0.25 0.01 0.05 99.23 00:30:16 all 0.19 0.00 0.16 0.01 0.03 99.61 00:30:16 0 0.32 0.00 0.16 0.02 0.02 99.48 00:30:16 1 0.06 0.00 0.16 0.00 0.04 99.75 00:40:04 all 12.35 0.00 1.90 0.63 0.06 85.06 00:40:04 0 10.27 0.00 1.89 0.58 0.05 87.22 00:40:04 1 14.42 0.00 1.92 0.67 0.07 82.91 Average: all 3.29 0.00 0.59 0.16 0.04 95.92 Average: 0 2.82 0.00 0.58 0.16 0.03 96.41 Average: 1 3.77 0.00 0.60 0.17 0.04 95.42