---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16953 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 758 5106 4 2374 7183 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:2d:7a:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82464sec preferred_lft 82464sec inet6 fe80::f816:3eff:fe2d:7a8d/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-16953) 05/20/26 _x86_64_ (2 CPU) 00:30:02 LINUX RESTART (2 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:08 1.35 0.01 1.34 0.00 0.05 15.85 0.12 01:00:08 1.98 0.25 1.71 0.02 30.97 75.99 436.21 01:10:08 1.39 0.01 1.37 0.02 1.05 16.51 1.13 01:20:08 1.35 0.00 1.33 0.02 0.01 15.99 1.09 01:30:01 1.60 0.00 1.57 0.03 0.00 19.25 1.53 Average: 1.53 0.05 1.47 0.02 6.43 28.74 88.23 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:08 6279016 7526228 294008 3.62 30688 1422428 528848 5.76 450196 1183464 184 01:00:08 6240228 7514108 305660 3.76 31028 1448428 723968 7.89 464828 1201008 236 01:10:08 6245896 7520680 299124 3.68 31252 1449060 529116 5.76 459744 1201584 108 01:20:08 6245896 7521232 298536 3.67 31464 1449392 529184 5.76 460164 1202128 184 01:30:01 6243928 7519900 299828 3.69 31660 1449812 529504 5.77 460980 1202616 124 Average: 6250993 7520430 299431 3.68 31218 1443824 568124 6.19 459182 1198160 167 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 0.55 0.09 0.11 0.05 0.00 0.00 0.00 0.00 01:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.47 0.24 3.15 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 0.38 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.44 0.12 0.13 0.08 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.47 0.21 0.11 0.70 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 0.46 0.14 0.72 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16953) 05/20/26 _x86_64_ (2 CPU) 00:30:02 LINUX RESTART (2 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:08 all 0.25 0.00 0.08 0.01 0.04 99.62 00:50:08 0 0.13 0.00 0.08 0.01 0.04 99.73 00:50:08 1 0.38 0.00 0.09 0.01 0.03 99.50 01:00:08 all 0.35 0.00 0.19 0.02 0.04 99.39 01:00:08 0 0.26 0.00 0.18 0.04 0.05 99.47 01:00:08 1 0.44 0.00 0.21 0.01 0.03 99.31 01:10:08 all 0.23 0.00 0.08 0.02 0.04 99.64 01:10:08 0 0.05 0.00 0.08 0.01 0.04 99.82 01:10:08 1 0.41 0.00 0.07 0.03 0.03 99.46 01:20:08 all 0.23 0.00 0.07 0.01 0.03 99.65 01:20:08 0 0.06 0.00 0.08 0.01 0.04 99.82 01:20:08 1 0.41 0.00 0.06 0.02 0.03 99.48 01:30:01 all 0.26 0.00 0.18 0.02 0.03 99.51 01:30:01 0 0.09 0.00 0.17 0.00 0.04 99.70 01:30:01 1 0.43 0.00 0.19 0.03 0.03 99.32 Average: all 0.27 0.00 0.12 0.02 0.04 99.56 Average: 0 0.12 0.00 0.12 0.01 0.04 99.71 Average: 1 0.42 0.00 0.12 0.02 0.03 99.41