---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31421 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 760 5145 4 2336 7180 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:6e:93:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81364sec preferred_lft 81364sec inet6 fe80::f816:3eff:fe6e:932a/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-31421) 06/29/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 14.00 0.02 1.41 12.56 1.01 18.08 109594.10 00:20:02 2.02 0.37 1.62 0.03 35.45 77.47 383.76 00:30:02 1.60 0.00 1.58 0.02 0.00 19.46 872.14 00:40:00 11.10 9.75 1.35 0.00 113.31 16.75 0.00 00:50:02 31.85 6.78 22.55 2.52 263.24 4086.43 2991.84 01:00:01 1.57 0.00 1.55 0.02 0.00 25.52 0.44 01:10:01 7.96 0.08 6.06 1.82 5.91 456.24 2351.96 Average: 10.03 2.43 5.17 2.43 59.96 673.88 16604.70 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6286188 7533956 286704 3.53 30800 1422656 522124 5.69 447280 1183916 240 00:20:02 6251148 7526780 293272 3.61 31284 1449600 521376 5.68 456564 1202044 292 00:30:02 6250736 7527020 292980 3.60 31480 1450012 521404 5.68 456964 1202532 124 00:40:00 6219028 7537264 275540 3.39 33768 1483248 530216 5.78 466744 1237368 1420 00:50:02 5137824 7395224 362828 4.46 90600 2318500 618780 6.74 589312 2084104 764 01:00:01 5071836 7331136 426944 5.25 90720 2320324 656600 7.15 619336 2086040 420 01:10:01 5324384 7408476 358644 4.41 94116 2149816 593796 6.47 590636 1917412 10172 Average: 5791592 7465694 328130 4.03 57538 1799165 566328 6.17 518119 1559059 1919 00:00:01 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 0.36 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:02 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:20:02 ens3 2.00 1.23 3.32 0.10 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.37 0.10 0.10 0.06 0.00 0.00 0.00 0.00 00:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:00 ens3 0.64 0.27 0.19 0.56 0.00 0.00 0.00 0.00 00:50:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:50:02 ens3 73.08 49.06 316.28 11.97 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 11.39 9.40 72.24 0.93 0.00 0.00 0.00 0.00 01:10:01 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 01:10:01 ens3 13.92 10.92 58.04 4.21 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 14.58 10.18 64.49 2.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31421) 06/29/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.28 0.00 0.11 0.14 0.03 99.44 00:10:01 0 0.25 0.00 0.12 0.22 0.03 99.38 00:10:01 1 0.30 0.00 0.11 0.06 0.03 99.51 00:20:02 all 0.60 0.00 0.23 0.11 0.03 99.03 00:20:02 0 0.57 0.00 0.20 0.12 0.02 99.08 00:20:02 1 0.63 0.00 0.25 0.10 0.04 98.98 00:30:02 all 0.26 0.00 0.17 0.02 0.03 99.52 00:30:02 0 0.44 0.00 0.16 0.03 0.03 99.35 00:30:02 1 0.08 0.00 0.17 0.02 0.03 99.70 00:40:00 all 0.28 0.13 0.11 0.11 0.03 99.34 00:40:00 0 0.14 0.10 0.11 0.09 0.03 99.54 00:40:00 1 0.43 0.17 0.11 0.13 0.03 99.14 00:50:02 all 11.94 0.05 1.79 2.09 0.05 84.08 00:50:02 0 9.97 0.10 1.64 1.80 0.05 86.43 00:50:02 1 13.91 0.00 1.94 2.38 0.06 81.72 01:00:01 all 0.88 0.00 0.28 0.21 0.06 98.57 01:00:01 0 0.94 0.00 0.26 0.40 0.05 98.35 01:00:01 1 0.82 0.00 0.31 0.03 0.06 98.78 01:10:01 all 5.46 0.00 0.64 0.86 0.06 92.98 01:10:01 0 3.17 0.00 0.51 0.91 0.06 95.34 01:10:01 1 7.76 0.00 0.77 0.81 0.05 90.62 Average: all 2.82 0.03 0.48 0.51 0.04 96.13 Average: 0 2.21 0.03 0.43 0.51 0.04 96.78 Average: 1 3.42 0.02 0.52 0.50 0.04 95.49