---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12885 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 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 802 5113 4 2314 7139 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:27:8f:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84452sec preferred_lft 84452sec inet6 fe80::f816:3eff:fe27:8f08/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12885) 05/12/26 _x86_64_ (2 CPU) 03:37:54 LINUX RESTART (2 CPU) 03:40:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:50:01 11.02 1.32 8.38 1.32 114.71 1214.33 478.27 04:00:20 1.54 0.01 1.52 0.02 0.05 145.00 0.59 04:10:00 6.75 0.35 4.81 1.59 39.85 600.35 3113.35 Average: 6.34 0.55 4.83 0.96 50.44 642.41 1170.81 03:40:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:50:01 5283352 7390128 381356 4.69 84108 2187228 730252 7.95 611232 1956556 2764 04:00:20 5239760 7383860 387032 4.76 84276 2224156 733000 7.98 614916 1993620 220 04:10:00 5297440 7370356 409204 5.03 87468 2157392 648236 7.06 647544 1919276 28824 Average: 5273517 7381448 392531 4.83 85284 2189592 703829 7.67 624564 1956484 10603 03:40:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:50:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:50:01 ens3 58.18 43.83 54.12 9.84 0.00 0.00 0.00 0.00 04:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:20 ens3 57.06 56.42 28.59 5.63 0.00 0.00 0.00 0.00 04:10:00 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 04:10:00 ens3 49.49 40.88 34.53 25.51 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 54.96 47.25 38.86 13.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12885) 05/12/26 _x86_64_ (2 CPU) 03:37:54 LINUX RESTART (2 CPU) 03:40:20 CPU %user %nice %system %iowait %steal %idle 03:50:01 all 9.40 0.00 1.18 0.29 0.06 89.07 03:50:01 0 9.11 0.00 1.15 0.11 0.06 89.57 03:50:01 1 9.70 0.00 1.22 0.48 0.06 88.56 04:00:20 all 7.08 0.00 0.97 0.01 0.08 91.86 04:00:20 0 8.05 0.00 1.12 0.01 0.09 90.74 04:00:20 1 6.11 0.00 0.83 0.01 0.07 92.98 04:10:00 all 9.44 0.00 1.17 0.13 0.07 89.19 04:10:00 0 9.56 0.00 1.07 0.12 0.07 89.18 04:10:00 1 9.31 0.00 1.27 0.14 0.07 89.20 Average: all 8.61 0.00 1.11 0.14 0.07 90.08 Average: 0 8.89 0.00 1.11 0.08 0.07 89.85 Average: 1 8.32 0.00 1.10 0.20 0.07 90.30