---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15639 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 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 741 5301 4 2187 7200 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:cc:c1:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82377sec preferred_lft 82377sec inet6 fe80::f816:3eff:fecc:c183/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15639) 05/16/26 _x86_64_ (2 CPU) 00:40:58 LINUX RESTART (2 CPU) 00:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:12 2.04 0.26 1.76 0.03 31.03 69.33 436.56 01:10:08 1.52 0.01 1.49 0.02 1.06 23.71 1.26 01:20:12 13.97 0.00 1.50 12.46 0.16 16.86 108330.57 01:30:12 1.62 0.00 1.60 0.02 0.00 18.80 435.71 01:40:08 2.92 1.32 1.59 0.01 96.56 97.46 0.09 Average: 4.43 0.32 1.59 2.53 25.66 45.15 22032.91 00:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:12 6245752 7519124 301004 3.70 30864 1447836 727324 7.92 463508 1200600 2240 01:10:08 6253088 7527316 292840 3.60 31072 1448472 532720 5.80 458372 1201132 160 01:20:12 6263672 7538456 281584 3.46 31244 1448844 532916 5.80 459092 1201648 164 01:30:12 6258376 7533704 286272 3.52 31432 1449176 533044 5.81 458964 1202168 208 01:40:08 6064464 7421156 394092 4.85 38444 1519896 681464 7.42 578880 1267160 21876 Average: 6217070 7507951 311158 3.83 32611 1462845 601494 6.55 483763 1214542 4930 00:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.81 0.25 3.17 0.05 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 0.31 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.57 0.12 0.18 0.10 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.38 0.21 0.08 0.59 0.00 0.00 0.00 0.00 01:40:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 20.97 10.21 51.48 4.17 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 4.58 2.15 10.94 0.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15639) 05/16/26 _x86_64_ (2 CPU) 00:40:58 LINUX RESTART (2 CPU) 00:50:12 CPU %user %nice %system %iowait %steal %idle 01:00:12 all 0.41 0.00 0.19 0.03 0.04 99.34 01:00:12 0 0.60 0.00 0.18 0.01 0.03 99.18 01:00:12 1 0.21 0.00 0.20 0.05 0.05 99.50 01:10:08 all 0.25 0.00 0.07 0.02 0.04 99.63 01:10:08 0 0.15 0.00 0.07 0.00 0.04 99.74 01:10:08 1 0.35 0.00 0.06 0.03 0.04 99.52 01:20:12 all 0.31 0.00 0.08 0.03 0.04 99.55 01:20:12 0 0.39 0.00 0.08 0.06 0.03 99.44 01:20:12 1 0.22 0.00 0.08 0.01 0.04 99.65 01:30:12 all 0.29 0.00 0.15 0.01 0.03 99.52 01:30:12 0 0.31 0.00 0.16 0.02 0.03 99.48 01:30:12 1 0.27 0.00 0.14 0.01 0.04 99.55 01:40:08 all 0.92 0.00 0.20 0.04 0.04 98.79 01:40:08 0 0.83 0.00 0.29 0.05 0.05 98.79 01:40:08 1 1.02 0.00 0.12 0.03 0.03 98.80 Average: all 0.44 0.00 0.14 0.03 0.04 99.37 Average: 0 0.46 0.00 0.16 0.03 0.03 99.33 Average: 1 0.41 0.00 0.12 0.02 0.04 99.40