---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4110 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: 5599.94 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 8.2G 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 751 4955 4 2526 7190 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:85:f8:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82714sec preferred_lft 82714sec inet6 fe80::f816:3eff:fe85:f85b/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-4110) 04/18/26 _x86_64_ (2 CPU) 00:36:14 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 7.95 1.22 6.05 0.68 105.09 954.37 420.95 01:00:00 1.43 0.01 1.40 0.03 0.05 18.74 1.39 01:10:02 2.08 0.31 1.73 0.04 38.91 311.82 1.38 01:20:01 1.59 0.01 1.54 0.05 1.07 313.72 0.96 01:30:03 1.51 0.00 1.47 0.03 0.00 19.29 0.72 Average: 2.91 0.31 2.44 0.17 29.02 323.35 85.00 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5101596 7184788 587384 7.22 83972 2163676 833272 9.08 769972 1933000 124 01:00:00 4940572 7024492 747396 9.19 84176 2164212 882188 9.61 801952 1933728 276 01:10:02 5054552 7239280 531476 6.54 84512 2263824 1033404 11.26 770848 2022616 236 01:20:01 4679440 6955000 814384 10.01 84736 2353176 967460 10.54 898964 2111888 196 01:30:03 4834648 7110844 658476 8.10 84920 2353600 927324 10.10 858848 2112496 228 Average: 4922162 7102881 667823 8.21 84463 2259698 928730 10.12 820117 2022746 212 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 54.82 45.83 513.37 6.61 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 65.18 61.91 1044.26 4.09 0.00 0.00 0.00 0.00 01:10:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 44.58 41.75 689.09 2.77 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 33.14 31.47 517.32 2.15 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 10.55 9.33 146.10 0.66 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 41.64 38.05 581.86 3.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4110) 04/18/26 _x86_64_ (2 CPU) 00:36:14 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 3.38 0.00 0.71 0.15 0.05 95.70 00:50:00 0 3.93 0.00 0.92 0.22 0.08 94.85 00:50:00 1 2.83 0.00 0.51 0.09 0.03 96.55 01:00:00 all 0.92 0.00 0.49 0.01 0.06 98.53 01:00:00 0 1.07 0.00 0.50 0.01 0.05 98.37 01:00:00 1 0.76 0.00 0.48 0.01 0.07 98.68 01:10:02 all 1.00 0.00 0.44 0.03 0.09 98.45 01:10:02 0 0.73 0.00 0.30 0.02 0.05 98.91 01:10:02 1 1.27 0.00 0.57 0.04 0.13 97.99 01:20:01 all 0.85 0.00 0.24 0.01 0.06 98.84 01:20:01 0 0.83 0.00 0.23 0.01 0.07 98.86 01:20:01 1 0.86 0.00 0.24 0.01 0.06 98.82 01:30:03 all 0.48 0.00 0.28 0.01 0.06 99.17 01:30:03 0 0.46 0.00 0.31 0.02 0.07 99.15 01:30:03 1 0.50 0.00 0.26 0.00 0.05 99.18 Average: all 1.32 0.00 0.43 0.04 0.06 98.14 Average: 0 1.40 0.00 0.45 0.05 0.06 98.03 Average: 1 1.25 0.00 0.41 0.03 0.07 98.25