---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32733 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 8.0G 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 743 5133 4 2357 7198 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:b0:f1:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81205sec preferred_lft 81205sec inet6 fe80::f816:3eff:feb0:f130/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32733) 07/04/26 _x86_64_ (2 CPU) 00:40:56 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:19 1.36 0.01 1.34 0.02 0.05 16.77 635.52 01:10:29 1.20 0.00 1.20 0.00 0.00 14.53 0.00 01:20:01 1.17 0.00 1.17 0.00 0.01 14.32 0.13 01:30:09 1.88 0.25 1.60 0.02 31.61 76.30 644.94 01:40:09 1.59 0.40 1.20 0.00 15.81 46.15 0.00 01:50:01 23.47 2.63 18.50 2.34 214.08 3495.30 637.81 02:00:29 1.65 0.00 1.62 0.03 0.00 68.99 1.70 Average: 4.56 0.46 3.75 0.34 36.76 523.47 275.11 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:19 6283952 7531364 289288 3.56 30684 1422424 527376 5.74 446068 1183596 168 01:10:29 6290868 7538780 281896 3.47 30852 1422752 527512 5.75 446368 1184092 164 01:20:01 6295812 7544212 276456 3.40 31012 1423076 527828 5.75 447100 1184572 164 01:30:09 6263844 7539760 280432 3.45 31392 1449816 527828 5.75 456116 1202620 184 01:40:09 6242680 7533788 286080 3.52 31704 1464620 544020 5.93 478592 1216084 268 01:50:01 5207876 7414048 353316 4.34 86932 2279432 650404 7.08 592660 2042200 236 02:00:29 5189376 7411276 356008 4.38 87104 2294964 653164 7.11 595228 2057932 368 Average: 5967773 7501890 303354 3.73 47097 1679583 565447 6.16 494590 1438728 222 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.60 0.08 0.09 0.03 0.00 0.00 0.00 0.00 01:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:29 ens3 0.79 0.06 3.60 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 0.78 0.27 0.70 0.59 0.00 0.00 0.00 0.00 01:30:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.54 0.22 3.18 0.05 0.00 0.00 0.00 0.00 01:40:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 11.20 5.29 20.12 2.82 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 71.08 53.77 304.09 10.23 0.00 0.00 0.00 0.00 02:00:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:29 ens3 47.50 43.12 10.31 5.74 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.98 14.77 48.03 2.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32733) 07/04/26 _x86_64_ (2 CPU) 00:40:56 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:19 all 0.21 0.00 0.16 0.01 0.03 99.59 01:00:19 0 0.09 0.00 0.17 0.01 0.03 99.70 01:00:19 1 0.33 0.00 0.15 0.02 0.02 99.47 01:10:29 all 0.25 0.00 0.07 0.01 0.03 99.64 01:10:29 0 0.37 0.00 0.06 0.01 0.02 99.54 01:10:29 1 0.13 0.00 0.08 0.00 0.03 99.75 01:20:01 all 0.25 0.00 0.07 0.01 0.02 99.65 01:20:01 0 0.06 0.00 0.09 0.01 0.03 99.81 01:20:01 1 0.43 0.00 0.05 0.00 0.02 99.49 01:30:09 all 0.37 0.00 0.19 0.02 0.02 99.40 01:30:09 0 0.50 0.00 0.20 0.03 0.02 99.25 01:30:09 1 0.24 0.00 0.18 0.01 0.02 99.54 01:40:09 all 0.50 0.00 0.09 0.01 0.02 99.37 01:40:09 0 0.73 0.00 0.06 0.01 0.01 99.19 01:40:09 1 0.27 0.00 0.12 0.02 0.03 99.55 01:50:01 all 14.56 0.00 1.84 0.53 0.06 83.00 01:50:01 0 13.54 0.00 1.83 0.66 0.06 83.91 01:50:01 1 15.59 0.00 1.86 0.39 0.06 82.09 02:00:29 all 5.98 0.00 0.58 0.01 0.07 93.36 02:00:29 0 5.62 0.00 0.55 0.01 0.07 93.74 02:00:29 1 6.34 0.00 0.60 0.01 0.07 92.97 Average: all 3.14 0.00 0.43 0.08 0.04 96.31 Average: 0 2.97 0.00 0.42 0.10 0.04 96.47 Average: 1 3.31 0.00 0.43 0.06 0.04 96.15