---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10951 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 746 5294 4 2190 7195 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:c9:db:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82431sec preferred_lft 82431sec inet6 fe80::f816:3eff:fec9:dbc1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10951) 05/05/26 _x86_64_ (2 CPU) 00:42:17 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 1.46 0.01 1.43 0.02 0.05 18.23 872.15 01:10:04 1.18 0.00 1.18 0.00 0.00 14.36 0.00 01:20:04 1.17 0.00 1.16 0.00 0.01 14.17 0.12 01:30:05 1.36 0.00 1.35 0.01 0.00 16.92 871.14 01:40:01 14.87 0.66 1.59 12.62 48.29 105.91 109842.06 Average: 3.99 0.13 1.34 2.52 9.62 33.83 22209.39 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6269332 7519976 300492 3.69 30740 1425724 526576 5.74 444132 1187480 192 01:10:04 6268884 7520032 300468 3.69 30908 1426056 526776 5.74 444396 1187980 184 01:20:04 6268884 7520536 299960 3.69 31084 1426380 526768 5.74 444700 1188480 204 01:30:05 6283960 7536136 284312 3.50 31268 1426712 535052 5.83 443444 1188996 212 01:40:01 6215480 7509312 310132 3.81 31736 1467476 554164 6.04 486048 1219468 216 Average: 6261308 7521198 299073 3.68 31147 1434470 533867 5.81 452544 1194481 202 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.68 0.10 0.10 0.04 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.54 0.05 3.48 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.62 0.08 1.21 0.06 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 10.17 5.60 23.24 3.20 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 2.45 1.17 5.60 0.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10951) 05/05/26 _x86_64_ (2 CPU) 00:42:17 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.28 0.00 0.17 0.01 0.03 99.51 01:00:04 0 0.47 0.00 0.13 0.00 0.02 99.38 01:00:04 1 0.09 0.00 0.22 0.02 0.04 99.63 01:10:04 all 0.28 0.00 0.07 0.01 0.03 99.61 01:10:04 0 0.10 0.00 0.09 0.00 0.04 99.77 01:10:04 1 0.46 0.00 0.06 0.02 0.02 99.45 01:20:04 all 0.26 0.00 0.07 0.01 0.04 99.63 01:20:04 0 0.10 0.00 0.09 0.01 0.04 99.77 01:20:04 1 0.42 0.00 0.05 0.02 0.03 99.49 01:30:05 all 0.30 0.00 0.17 0.01 0.03 99.49 01:30:05 0 0.51 0.00 0.15 0.02 0.02 99.31 01:30:05 1 0.10 0.00 0.19 0.01 0.04 99.68 01:40:01 all 0.63 0.00 0.13 0.05 0.03 99.16 01:40:01 0 0.68 0.00 0.13 0.05 0.04 99.11 01:40:01 1 0.58 0.00 0.13 0.05 0.03 99.21 Average: all 0.35 0.00 0.12 0.02 0.03 99.48 Average: 0 0.37 0.00 0.12 0.02 0.03 99.47 Average: 1 0.33 0.00 0.13 0.02 0.03 99.49