---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34110 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 737 5224 4 2272 7204 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:bc:ff:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82213sec preferred_lft 82213sec inet6 fe80::f816:3eff:febc:ffa7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34110) 07/09/26 _x86_64_ (2 CPU) 00:37:42 LINUX RESTART (2 CPU) 00:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.87 0.28 1.57 0.02 33.05 77.42 0.75 01:00:16 1.74 0.01 1.71 0.02 1.08 20.52 637.58 01:10:16 1.35 0.00 1.35 0.00 0.00 15.60 0.00 01:20:01 1.56 0.00 1.56 0.01 0.01 18.48 223.33 01:30:16 1.57 0.00 1.56 0.01 0.00 18.54 425.16 01:40:09 1.79 0.40 1.38 0.00 16.02 48.21 0.00 Average: 1.65 0.12 1.52 0.01 8.21 32.86 218.44 00:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6268772 7542404 277620 3.41 30744 1448216 736204 8.02 451976 1200908 176 01:00:16 6271896 7546420 273640 3.36 30972 1448860 528564 5.76 447184 1201460 188 01:10:16 6276716 7551728 268360 3.30 31124 1449180 529184 5.76 455232 1201940 136 01:20:01 6272432 7548000 272016 3.34 31332 1449524 529248 5.76 455612 1202484 196 01:30:16 6276592 7552672 267236 3.29 31504 1449848 529248 5.76 455536 1202988 128 01:40:09 6239984 7531240 288376 3.55 31800 1464640 545068 5.94 479828 1216428 272 Average: 6267732 7545411 274541 3.38 31246 1451711 566253 6.17 457561 1204368 183 00:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.62 0.29 3.42 0.08 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.41 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 0.81 0.09 8.36 0.04 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 0.40 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.27 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 7.68 4.75 20.16 3.25 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.85 0.88 5.32 0.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34110) 07/09/26 _x86_64_ (2 CPU) 00:37:42 LINUX RESTART (2 CPU) 00:40:16 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.38 0.00 0.11 0.02 0.02 99.46 00:50:01 0 0.49 0.00 0.09 0.02 0.02 99.39 00:50:01 1 0.28 0.00 0.14 0.02 0.02 99.54 01:00:16 all 0.29 0.00 0.17 0.01 0.03 99.50 01:00:16 0 0.17 0.00 0.18 0.01 0.03 99.60 01:00:16 1 0.41 0.00 0.16 0.01 0.02 99.40 01:10:16 all 0.32 0.00 0.07 0.01 0.03 99.58 01:10:16 0 0.13 0.00 0.08 0.01 0.03 99.76 01:10:16 1 0.51 0.00 0.06 0.01 0.02 99.40 01:20:01 all 0.25 0.00 0.09 0.01 0.02 99.63 01:20:01 0 0.08 0.00 0.09 0.00 0.02 99.80 01:20:01 1 0.42 0.00 0.09 0.01 0.03 99.46 01:30:16 all 0.30 0.00 0.15 0.01 0.03 99.51 01:30:16 0 0.39 0.00 0.15 0.00 0.02 99.44 01:30:16 1 0.22 0.00 0.16 0.01 0.03 99.58 01:40:09 all 0.50 0.00 0.10 0.01 0.02 99.37 01:40:09 0 0.59 0.00 0.09 0.02 0.02 99.28 01:40:09 1 0.40 0.00 0.10 0.01 0.03 99.46 Average: all 0.34 0.00 0.12 0.01 0.02 99.51 Average: 0 0.31 0.00 0.11 0.01 0.02 99.55 Average: 1 0.37 0.00 0.12 0.01 0.03 99.47