---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66323 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 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 785 5271 4 2172 7156 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:00:db:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82152sec preferred_lft 82152sec inet6 fe80::f816:3eff:fe00:db5f/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-66323) 04/04/26 _x86_64_ (2 CPU) 00:41:44 LINUX RESTART (2 CPU) 00:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.54 0.01 1.52 0.01 0.05 18.08 446.22 01:10:17 1.91 0.31 1.57 0.03 37.96 71.57 1.36 01:20:27 1.52 0.01 1.51 0.01 1.05 17.64 0.41 01:30:01 1.63 0.00 1.62 0.02 0.00 19.44 683.16 01:40:17 1.41 0.00 1.41 0.00 0.00 16.78 0.00 01:50:36 34.92 2.93 16.82 15.17 220.86 3069.09 105047.44 Average: 7.30 0.55 4.14 2.60 44.40 548.58 18135.21 00:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6284940 7531684 288752 3.55 30660 1421984 526344 5.73 445200 1183400 160 01:10:17 6243876 7519356 300484 3.69 31060 1449940 732708 7.98 462292 1200692 172 01:20:27 6264344 7540676 279208 3.43 31256 1450592 527384 5.74 457152 1201220 148 01:30:01 6267368 7544232 275608 3.39 31440 1450908 527384 5.74 457164 1201728 152 01:40:17 6266892 7544380 275452 3.39 31604 1451364 527516 5.75 457704 1202220 124 01:50:36 5338976 7446668 325108 4.00 84792 2187276 567456 6.18 555884 1945736 124 Average: 6111066 7521166 290769 3.58 40135 1568677 568132 6.19 472566 1322499 147 00:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.65 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:10:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:17 ens3 0.74 0.21 5.31 0.05 0.00 0.00 0.00 0.00 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 0.57 0.10 0.30 0.06 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 0.27 0.07 0.07 0.04 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.42 0.10 0.14 0.08 0.00 0.00 0.00 0.00 01:50:36 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:36 ens3 60.66 38.75 288.64 10.93 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 10.81 6.71 50.34 1.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66323) 04/04/26 _x86_64_ (2 CPU) 00:41:44 LINUX RESTART (2 CPU) 00:50:14 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.16 0.01 0.04 99.51 01:00:01 0 0.08 0.00 0.18 0.01 0.04 99.69 01:00:01 1 0.46 0.00 0.15 0.01 0.04 99.34 01:10:17 all 0.34 0.00 0.11 0.03 0.04 99.48 01:10:17 0 0.07 0.00 0.10 0.01 0.04 99.78 01:10:17 1 0.61 0.00 0.12 0.04 0.04 99.19 01:20:27 all 0.28 0.00 0.07 0.01 0.04 99.59 01:20:27 0 0.09 0.00 0.09 0.01 0.05 99.76 01:20:27 1 0.48 0.00 0.06 0.02 0.03 99.41 01:30:01 all 0.25 0.00 0.18 0.02 0.04 99.51 01:30:01 0 0.25 0.00 0.18 0.02 0.04 99.51 01:30:01 1 0.26 0.00 0.17 0.03 0.04 99.50 01:40:17 all 0.23 0.00 0.07 0.01 0.04 99.65 01:40:17 0 0.34 0.00 0.06 0.00 0.03 99.57 01:40:17 1 0.13 0.00 0.08 0.02 0.05 99.72 01:50:36 all 10.12 0.00 1.55 0.53 0.05 87.76 01:50:36 0 12.21 0.00 1.68 0.77 0.05 85.30 01:50:36 1 8.03 0.00 1.41 0.29 0.05 90.22 Average: all 1.96 0.00 0.36 0.10 0.04 97.53 Average: 0 2.22 0.00 0.39 0.14 0.04 97.21 Average: 1 1.70 0.00 0.34 0.07 0.04 97.86