---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19142 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 8.3G 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 786 4786 4 2664 7155 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:05:28:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82713sec preferred_lft 82713sec inet6 fe80::f816:3eff:fe05:281d/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-19142) 05/23/26 _x86_64_ (2 CPU) 00:35:41 LINUX RESTART (2 CPU) 00:40:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 1.60 0.03 1.55 0.01 1.81 30.87 0.88 01:00:00 1.68 0.01 1.64 0.03 0.05 20.87 1.56 01:10:00 1.48 0.00 1.45 0.03 0.00 281.20 1.35 01:20:00 14.97 0.01 1.47 13.50 0.16 373.87 106269.14 01:30:00 1.58 0.00 1.54 0.05 0.00 19.60 1.61 Average: 4.29 0.01 1.53 2.75 0.39 146.42 21466.63 00:40:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5008460 7175860 592400 7.28 85632 2243048 849516 9.25 790008 2013368 164 01:00:00 4858448 7026556 741472 9.12 85808 2243580 937688 10.21 860996 2014076 168 01:10:00 4922896 7184148 582924 7.17 86008 2335684 868156 9.46 792708 2106380 12372 01:20:00 4661368 7019396 746012 9.17 86208 2430932 1016880 11.08 941772 2201800 168 01:30:00 4696396 7055064 710344 8.73 86416 2431352 977564 10.65 902308 2202428 164 Average: 4829514 7092205 674630 8.30 86014 2336919 929961 10.13 857558 2107610 2607 00:40:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 35.07 31.73 540.78 2.33 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 82.72 79.58 1349.36 5.23 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 27.65 26.15 427.89 1.76 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 36.32 34.48 580.79 2.36 0.00 0.00 0.00 0.00 01:30:00 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 5.35 4.94 76.62 0.38 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 37.44 35.41 595.63 2.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19142) 05/23/26 _x86_64_ (2 CPU) 00:35:41 LINUX RESTART (2 CPU) 00:40:29 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.86 0.00 0.30 0.01 0.06 98.76 00:50:00 0 0.75 0.00 0.10 0.02 0.03 99.11 00:50:00 1 0.98 0.00 0.50 0.01 0.09 98.42 01:00:00 all 1.11 0.00 0.66 0.01 0.07 98.15 01:00:00 0 0.79 0.00 0.56 0.01 0.09 98.55 01:00:00 1 1.43 0.00 0.76 0.01 0.05 97.75 01:10:00 all 0.73 0.00 0.27 0.02 0.07 98.92 01:10:00 0 0.97 0.00 0.42 0.01 0.09 98.51 01:10:00 1 0.49 0.00 0.11 0.03 0.04 99.33 01:20:00 all 0.86 0.00 0.28 0.04 0.07 98.75 01:20:00 0 1.10 0.00 0.41 0.05 0.10 98.35 01:20:00 1 0.62 0.00 0.15 0.02 0.05 99.16 01:30:00 all 0.45 0.00 0.26 0.12 0.06 99.11 01:30:00 0 0.46 0.00 0.27 0.01 0.07 99.19 01:30:00 1 0.44 0.00 0.24 0.23 0.06 99.02 Average: all 0.80 0.00 0.35 0.04 0.07 98.74 Average: 0 0.82 0.00 0.36 0.02 0.07 98.74 Average: 1 0.79 0.00 0.35 0.06 0.06 98.74