---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9491 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 7.9G 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 762 5289 4 2178 7179 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:c6:2e:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82430sec preferred_lft 82430sec inet6 fe80::f816:3eff:fec6:2ed4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9491) 04/29/26 _x86_64_ (2 CPU) 00:40:31 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:14 1.55 0.01 1.51 0.03 1.09 19.11 643.33 01:10:14 1.21 0.00 1.20 0.02 0.00 14.81 1.08 01:20:15 1.20 0.00 1.19 0.02 0.01 14.72 1.09 01:30:16 1.43 0.00 1.40 0.03 0.00 17.99 436.35 01:40:14 2.85 1.32 1.49 0.03 96.33 113.03 1.46 Average: 1.65 0.27 1.36 0.02 19.35 35.80 218.21 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:14 6281260 7555888 264092 3.25 30884 1449040 523328 5.70 448508 1200504 188 01:10:14 6282040 7557196 262792 3.23 31072 1449368 523328 5.70 448580 1201032 124 01:20:15 6280548 7556240 263668 3.24 31264 1449700 523576 5.70 449892 1201556 124 01:30:16 6272388 7548672 271124 3.33 31500 1450032 523708 5.70 449784 1202124 124 01:40:14 5971420 7345848 467832 5.75 39376 1535156 665432 7.25 576080 1282500 40400 Average: 6217531 7512769 305902 3.76 32819 1466659 551874 6.01 474569 1217543 8192 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 0.55 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.43 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.53 0.09 0.13 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 0.36 0.16 0.08 0.54 0.00 0.00 0.00 0.00 01:40:14 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 18.58 9.60 51.03 4.12 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 4.06 1.98 10.21 0.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9491) 04/29/26 _x86_64_ (2 CPU) 00:40:31 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:14 all 0.25 0.00 0.16 0.01 0.04 99.54 01:00:14 0 0.29 0.00 0.14 0.01 0.03 99.53 01:00:14 1 0.20 0.00 0.19 0.02 0.04 99.55 01:10:14 all 0.25 0.00 0.08 0.31 0.03 99.33 01:10:14 0 0.05 0.00 0.09 0.49 0.04 99.33 01:10:14 1 0.46 0.00 0.06 0.14 0.02 99.32 01:20:15 all 0.25 0.00 0.08 0.02 0.03 99.63 01:20:15 0 0.30 0.00 0.07 0.02 0.02 99.59 01:20:15 1 0.20 0.00 0.09 0.01 0.03 99.67 01:30:16 all 0.30 0.00 0.16 0.01 0.03 99.51 01:30:16 0 0.12 0.00 0.16 0.01 0.03 99.68 01:30:16 1 0.47 0.00 0.16 0.01 0.03 99.33 01:40:14 all 1.12 0.00 0.23 0.06 0.03 98.56 01:40:14 0 0.67 0.00 0.24 0.04 0.04 99.02 01:40:14 1 1.58 0.00 0.22 0.08 0.03 98.10 Average: all 0.43 0.00 0.14 0.08 0.03 99.31 Average: 0 0.28 0.00 0.14 0.11 0.03 99.43 Average: 1 0.58 0.00 0.14 0.05 0.03 99.20