---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28482 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 757 5214 4 2262 7184 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:10:eb:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81835sec preferred_lft 81835sec inet6 fe80::f816:3eff:fe10:eb5b/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-28482) 06/19/26 _x86_64_ (2 CPU) 00:41:20 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.55 0.01 1.53 0.02 0.05 18.52 654.43 01:10:00 14.00 0.00 1.38 12.62 0.15 16.23 109721.69 01:20:02 1.85 0.26 1.58 0.01 31.94 74.64 0.43 01:30:01 1.55 0.00 1.54 0.01 0.00 18.33 436.66 01:40:01 1.26 0.00 1.26 0.00 0.00 15.06 0.00 01:50:01 1.30 0.00 1.30 0.00 0.00 15.22 0.00 Average: 3.58 0.04 1.43 2.10 5.38 26.37 18389.91 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6290608 7537264 283156 3.48 30748 1421780 529040 5.76 442856 1183628 208 01:10:00 6273232 7520476 299864 3.69 30948 1422164 530992 5.78 443296 1184176 148 01:20:02 6237592 7512080 307776 3.78 31288 1448688 531224 5.79 452848 1201972 180 01:30:01 6235144 7510156 309672 3.81 31468 1449020 531224 5.79 452796 1202484 152 01:40:01 6235144 7510780 309028 3.80 31628 1449480 531352 5.79 453152 1202972 276 01:50:01 6234892 7511028 308776 3.80 31796 1449800 531416 5.79 453780 1203464 272 Average: 6251102 7516964 303045 3.73 31313 1440155 530875 5.78 449788 1196449 206 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.58 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.62 0.14 0.19 0.10 0.00 0.00 0.00 0.00 01:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.95 0.45 3.24 0.09 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 0.29 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.63 0.30 0.16 0.70 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.32 0.10 0.11 0.06 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 0.57 0.19 0.64 0.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28482) 06/19/26 _x86_64_ (2 CPU) 00:41:20 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.29 0.00 0.17 0.01 0.01 99.51 01:00:03 0 0.32 0.00 0.18 0.01 0.01 99.48 01:00:03 1 0.27 0.00 0.16 0.01 0.02 99.55 01:10:00 all 0.30 0.00 0.10 0.03 0.01 99.56 01:10:00 0 0.17 0.00 0.09 0.01 0.01 99.71 01:10:00 1 0.43 0.00 0.11 0.05 0.01 99.40 01:20:02 all 0.37 0.00 0.11 0.02 0.01 99.48 01:20:02 0 0.36 0.00 0.13 0.04 0.01 99.45 01:20:02 1 0.38 0.00 0.08 0.00 0.01 99.52 01:30:01 all 0.29 0.00 0.17 0.01 0.01 99.51 01:30:01 0 0.34 0.00 0.16 0.01 0.02 99.48 01:30:01 1 0.25 0.00 0.17 0.02 0.01 99.55 01:40:01 all 0.24 0.00 0.08 0.01 0.01 99.66 01:40:01 0 0.39 0.00 0.05 0.01 0.01 99.55 01:40:01 1 0.10 0.00 0.11 0.01 0.02 99.77 01:50:01 all 0.22 0.00 0.08 0.01 0.01 99.68 01:50:01 0 0.30 0.00 0.06 0.01 0.01 99.62 01:50:01 1 0.14 0.00 0.10 0.01 0.01 99.75 Average: all 0.29 0.00 0.12 0.01 0.01 99.57 Average: 0 0.31 0.00 0.11 0.01 0.01 99.55 Average: 1 0.26 0.00 0.12 0.02 0.01 99.59