---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2151 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 765 5091 4 2381 7176 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:2e:6a:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82622sec preferred_lft 82622sec inet6 fe80::f816:3eff:fe2e:6adf/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-2151) 04/12/26 _x86_64_ (2 CPU) 00:13:50 LINUX RESTART (2 CPU) 00:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:09 1.64 0.01 1.62 0.01 0.05 19.55 654.02 00:40:06 21.83 3.01 16.60 2.22 227.42 3125.00 694.66 00:50:06 1.21 0.00 1.21 0.01 0.00 22.63 0.60 01:00:09 2.17 0.31 1.81 0.05 38.86 84.13 1.77 01:10:09 1.43 0.01 1.40 0.02 1.05 19.19 1.15 Average: 5.64 0.67 4.52 0.46 53.33 651.65 269.88 00:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:09 6279012 7530936 289748 3.56 30716 1426844 519708 5.66 446648 1187348 180 00:40:06 5339556 7423304 349188 4.29 84172 2164016 594468 6.47 581720 1932892 216 00:50:06 5328468 7415072 357468 4.40 84312 2166772 601700 6.55 588340 1935772 464 01:00:09 5262640 7379808 392232 4.82 84604 2196972 802632 8.74 608560 1955216 180 01:10:09 5278988 7397504 374768 4.61 84812 2198108 604036 6.58 603080 1956248 156 Average: 5497733 7429325 352681 4.34 73723 2030542 624509 6.80 565670 1793495 239 00:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:09 ens3 0.92 0.09 0.15 0.06 0.00 0.00 0.00 0.00 00:40:06 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 00:40:06 ens3 40.30 27.24 296.25 7.61 0.00 0.00 0.00 0.00 00:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 1.20 0.34 0.21 0.12 0.00 0.00 0.00 0.00 01:00:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.80 0.38 3.12 0.09 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.78 0.33 0.16 0.11 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 8.77 5.65 59.74 1.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2151) 04/12/26 _x86_64_ (2 CPU) 00:13:50 LINUX RESTART (2 CPU) 00:20:09 CPU %user %nice %system %iowait %steal %idle 00:30:09 all 0.27 0.00 0.18 0.01 0.02 99.53 00:30:09 0 0.22 0.00 0.19 0.02 0.02 99.57 00:30:09 1 0.32 0.00 0.17 0.01 0.02 99.49 00:40:06 all 10.68 0.00 1.57 0.46 0.04 87.24 00:40:06 0 8.00 0.00 1.29 0.41 0.04 90.27 00:40:06 1 13.37 0.00 1.86 0.51 0.05 84.21 00:50:06 all 1.17 0.00 0.12 0.01 0.05 98.66 00:50:06 0 1.05 0.00 0.12 0.01 0.05 98.77 00:50:06 1 1.29 0.00 0.12 0.00 0.04 98.56 01:00:09 all 1.31 0.00 0.25 0.02 0.04 98.37 01:00:09 0 1.30 0.00 0.24 0.02 0.04 98.40 01:00:09 1 1.33 0.00 0.26 0.02 0.05 98.34 01:10:09 all 0.89 0.00 0.12 0.01 0.04 98.94 01:10:09 0 0.90 0.00 0.12 0.02 0.05 98.92 01:10:09 1 0.88 0.00 0.11 0.01 0.04 98.97 Average: all 2.85 0.00 0.45 0.10 0.04 96.56 Average: 0 2.29 0.00 0.39 0.09 0.04 97.19 Average: 1 3.42 0.00 0.50 0.11 0.04 95.93