---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1116 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 766 5273 4 2190 7175 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:ae:12:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82022sec preferred_lft 82022sec inet6 fe80::f816:3eff:feae:12ce/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-1116) 04/08/26 _x86_64_ (2 CPU) 00:42:20 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 1.46 0.01 1.43 0.02 0.05 17.78 647.06 01:10:07 1.27 0.00 1.25 0.02 0.00 15.26 1.20 01:20:01 1.20 0.00 1.18 0.02 0.01 14.40 1.21 01:30:08 1.55 0.00 1.52 0.03 0.00 18.87 863.83 01:40:08 2.43 0.73 1.67 0.03 56.07 105.61 1.35 01:50:01 22.12 2.65 17.21 2.26 214.92 3165.42 791.45 Average: 4.96 0.56 4.01 0.39 44.72 549.48 385.34 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6293780 7541216 279444 3.44 30660 1422452 531696 5.79 442676 1183296 232 01:10:07 6300612 7548600 272080 3.35 30876 1422784 531856 5.79 442804 1183844 212 01:20:01 6300612 7549140 271528 3.34 31088 1423104 531880 5.79 442848 1184376 128 01:30:08 6292860 7541944 278668 3.43 31304 1423444 531944 5.79 442904 1184924 148 01:40:08 6216316 7509416 310376 3.82 31860 1466320 575772 6.27 503440 1215340 220 01:50:01 5284360 7398160 373692 4.60 85116 2192888 661524 7.21 614968 1951128 268 Average: 6114757 7514746 297631 3.66 40151 1558499 560779 6.11 481607 1317151 201 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.90 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.72 0.06 4.35 0.03 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 0.41 0.03 0.89 0.01 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.20 0.02 0.04 0.01 0.00 0.00 0.00 0.00 01:40:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 8.50 5.03 23.08 2.62 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 89.81 64.68 290.79 15.51 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.57 11.51 52.58 3.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1116) 04/08/26 _x86_64_ (2 CPU) 00:42:20 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.24 0.00 0.19 0.01 0.04 99.52 01:00:07 0 0.18 0.00 0.18 0.01 0.04 99.58 01:00:07 1 0.30 0.00 0.20 0.00 0.04 99.46 01:10:07 all 0.24 0.00 0.08 0.01 0.04 99.63 01:10:07 0 0.05 0.00 0.09 0.01 0.04 99.82 01:10:07 1 0.44 0.00 0.07 0.01 0.04 99.45 01:20:01 all 0.24 0.00 0.08 0.01 0.04 99.64 01:20:01 0 0.30 0.00 0.07 0.00 0.04 99.59 01:20:01 1 0.19 0.00 0.08 0.02 0.04 99.68 01:30:08 all 0.30 0.00 0.16 0.02 0.04 99.48 01:30:08 0 0.24 0.00 0.17 0.01 0.05 99.53 01:30:08 1 0.36 0.00 0.15 0.02 0.04 99.43 01:40:08 all 0.77 0.00 0.14 0.04 0.05 99.01 01:40:08 0 0.67 0.00 0.16 0.04 0.06 99.08 01:40:08 1 0.87 0.00 0.13 0.03 0.04 98.94 01:50:01 all 13.75 0.00 2.00 0.72 0.07 83.45 01:50:01 0 13.43 0.00 1.98 0.78 0.07 83.75 01:50:01 1 14.07 0.00 2.02 0.67 0.07 83.16 Average: all 2.56 0.00 0.44 0.13 0.05 96.83 Average: 0 2.44 0.00 0.44 0.14 0.05 96.93 Average: 1 2.67 0.00 0.44 0.12 0.04 96.73