---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34391 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 772 5173 4 2288 7169 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:a0:d9:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81332sec preferred_lft 81332sec inet6 fe80::f816:3eff:fea0:d9a6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34391) 07/10/26 _x86_64_ (2 CPU) 00:42:26 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.54 0.01 1.51 0.02 1.09 25.54 215.39 01:10:08 1.33 0.00 1.31 0.03 0.00 16.65 219.08 01:20:01 13.95 0.01 1.23 12.71 0.16 14.86 110439.85 01:30:08 1.68 0.00 1.64 0.03 0.00 19.63 216.74 01:40:08 1.41 0.00 1.39 0.02 0.00 16.24 1.20 01:50:02 1.32 0.00 1.31 0.01 0.00 15.33 0.61 02:00:08 24.96 2.82 19.84 2.30 223.19 3455.45 1184.71 Average: 6.61 0.41 4.06 2.14 32.36 513.68 15824.45 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6263012 7538088 282116 3.47 30888 1449472 526080 5.73 452108 1201120 204 01:10:08 6265060 7540712 279460 3.44 31124 1449804 526208 5.73 452412 1201688 160 01:20:01 6264052 7540292 279832 3.44 31340 1450172 526280 5.73 452828 1202244 136 01:30:08 6262632 7539440 280668 3.45 31552 1450500 526740 5.74 452948 1202784 124 01:40:08 6267540 7545024 275080 3.38 31760 1450960 526812 5.74 453372 1203324 124 01:50:02 6266912 7544896 275192 3.38 31932 1451288 526732 5.74 453292 1203816 244 02:00:08 5173272 7384952 382152 4.70 87164 2284668 652564 7.11 623116 2046876 1488 Average: 6108926 7519058 293500 3.61 39394 1569552 544488 5.93 477154 1323122 354 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.57 0.09 0.08 0.04 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.61 0.15 0.18 0.10 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.48 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.33 0.12 0.06 0.54 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.38 0.10 0.12 0.05 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 0.23 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:00:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:08 ens3 120.51 81.99 327.45 18.16 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.75 11.91 47.30 2.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34391) 07/10/26 _x86_64_ (2 CPU) 00:42:26 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.31 0.00 0.17 0.01 0.03 99.47 01:00:08 0 0.21 0.00 0.18 0.01 0.04 99.56 01:00:08 1 0.42 0.00 0.17 0.01 0.03 99.38 01:10:08 all 0.25 0.00 0.09 0.01 0.03 99.63 01:10:08 0 0.38 0.00 0.07 0.02 0.03 99.50 01:10:08 1 0.11 0.00 0.10 0.00 0.03 99.75 01:20:01 all 0.25 0.00 0.09 0.03 0.04 99.59 01:20:01 0 0.28 0.00 0.07 0.01 0.03 99.60 01:20:01 1 0.21 0.00 0.11 0.05 0.04 99.59 01:30:08 all 0.27 0.00 0.14 0.01 0.04 99.53 01:30:08 0 0.44 0.00 0.13 0.01 0.03 99.38 01:30:08 1 0.09 0.00 0.15 0.02 0.05 99.69 01:40:08 all 0.23 0.00 0.06 0.07 0.03 99.61 01:40:08 0 0.43 0.00 0.04 0.08 0.02 99.44 01:40:08 1 0.04 0.00 0.09 0.05 0.04 99.78 01:50:02 all 0.21 0.00 0.07 0.01 0.03 99.69 01:50:02 0 0.37 0.00 0.04 0.01 0.02 99.57 01:50:02 1 0.04 0.00 0.09 0.02 0.04 99.81 02:00:08 all 14.22 0.00 2.09 1.04 0.06 82.59 02:00:08 0 14.88 0.00 2.01 0.91 0.06 82.15 02:00:08 1 13.57 0.00 2.17 1.17 0.06 83.03 Average: all 2.26 0.00 0.39 0.17 0.04 97.14 Average: 0 2.44 0.00 0.37 0.15 0.03 97.01 Average: 1 2.08 0.00 0.41 0.19 0.04 97.27