---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12641 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 756 5286 4 2187 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:aa:51:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82152sec preferred_lft 82152sec inet6 fe80::f816:3eff:feaa:5178/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12641) 05/11/26 _x86_64_ (2 CPU) 01:57:45 LINUX RESTART (2 CPU) 02:00:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.39 0.03 1.36 0.00 1.31 16.16 0.13 02:20:32 1.45 0.01 1.43 0.01 0.06 17.03 0.81 02:30:32 1.48 0.00 1.45 0.03 0.00 17.77 654.89 02:40:01 1.38 0.00 1.36 0.02 0.00 16.13 1.14 02:50:22 1.22 0.00 1.20 0.02 0.00 15.02 1.16 03:00:30 14.87 0.65 1.79 12.43 47.38 107.57 108367.39 Average: 3.66 0.12 1.43 2.11 8.22 31.82 18418.02 02:00:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6292660 7539812 281008 3.46 30544 1422284 529584 5.77 447868 1183196 156 02:20:32 6292156 7539888 280892 3.45 30792 1422616 529584 5.77 447936 1183776 124 02:30:32 6290568 7538872 281912 3.47 31016 1422944 529580 5.77 447988 1184328 228 02:40:01 6297916 7546752 274060 3.37 31212 1423272 529796 5.77 448176 1184852 148 02:50:22 6297916 7547300 273504 3.36 31424 1423600 529860 5.77 448520 1185392 168 03:00:30 6235048 7526188 293616 3.61 31948 1464376 546404 5.95 483028 1215936 220 Average: 6284377 7539802 280832 3.45 31156 1429849 532468 5.80 453919 1189580 174 02:00:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.73 0.04 0.07 0.02 0.00 0.00 0.00 0.00 02:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:32 ens3 0.38 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:32 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:22 ens3 0.27 0.06 0.08 0.03 0.00 0.00 0.00 0.00 03:00:30 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:00:30 ens3 13.69 6.06 23.04 3.15 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 2.63 1.06 3.95 0.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12641) 05/11/26 _x86_64_ (2 CPU) 01:57:45 LINUX RESTART (2 CPU) 02:00:32 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.30 0.00 0.08 0.01 0.03 99.59 02:10:01 0 0.09 0.00 0.10 0.01 0.03 99.76 02:10:01 1 0.51 0.00 0.06 0.00 0.02 99.41 02:20:32 all 0.27 0.00 0.08 0.32 0.02 99.32 02:20:32 0 0.29 0.00 0.07 0.05 0.02 99.57 02:20:32 1 0.25 0.00 0.08 0.58 0.02 99.07 02:30:32 all 0.26 0.00 0.17 0.01 0.02 99.54 02:30:32 0 0.23 0.00 0.18 0.01 0.02 99.57 02:30:32 1 0.28 0.00 0.16 0.01 0.02 99.52 02:40:01 all 0.28 0.00 0.08 0.01 0.02 99.62 02:40:01 0 0.07 0.00 0.10 0.00 0.03 99.80 02:40:01 1 0.48 0.00 0.06 0.01 0.02 99.43 02:50:22 all 0.24 0.00 0.08 0.01 0.03 99.65 02:50:22 0 0.06 0.00 0.09 0.00 0.03 99.82 02:50:22 1 0.42 0.00 0.06 0.01 0.02 99.49 03:00:30 all 0.66 0.00 0.23 0.05 0.03 99.04 03:00:30 0 0.57 0.00 0.22 0.02 0.03 99.16 03:00:30 1 0.74 0.00 0.23 0.08 0.03 98.92 Average: all 0.33 0.00 0.12 0.07 0.02 99.46 Average: 0 0.22 0.00 0.13 0.02 0.03 99.61 Average: 1 0.44 0.00 0.11 0.12 0.02 99.30