---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1385 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 8.0G 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 749 5204 4 2276 7192 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:27:7c:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80905sec preferred_lft 80905sec inet6 fe80::f816:3eff:fe27:7cdc/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-1385) 04/09/26 _x86_64_ (2 CPU) 01:47:16 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.80 0.03 1.75 0.02 2.29 20.97 653.26 02:10:09 1.28 0.01 1.26 0.01 0.05 14.99 0.96 02:20:09 1.24 0.00 1.23 0.02 0.01 14.64 1.09 02:30:10 1.38 0.00 1.35 0.03 0.00 16.50 436.21 02:40:10 1.52 0.00 1.49 0.02 0.00 17.93 219.08 02:50:01 1.79 0.41 1.37 0.02 16.07 47.53 0.99 03:00:12 21.59 2.58 16.82 2.19 208.67 3040.51 881.03 03:10:12 14.90 0.00 1.47 13.42 0.49 69.30 106681.44 Average: 5.73 0.38 3.38 1.97 28.86 411.72 13610.00 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6242080 7517616 302348 3.72 30796 1450024 520716 5.67 459788 1199932 156 02:10:09 6241828 7517920 302052 3.71 31004 1450364 520748 5.67 460028 1200480 204 02:20:09 6241912 7518564 301408 3.71 31228 1450680 520936 5.67 460080 1201028 172 02:30:10 6252668 7529860 290024 3.57 31428 1451008 520876 5.67 460068 1201556 180 02:40:10 6264996 7542768 277100 3.41 31664 1451344 521024 5.67 460288 1202128 124 02:50:01 6229976 7522976 296532 3.65 31996 1466156 537880 5.86 486892 1215624 288 03:00:12 5293224 7409928 361632 4.45 85232 2195640 640812 6.98 600024 1954292 2420 03:10:12 5281076 7412068 359460 4.42 85344 2209840 642372 7.00 602204 1968444 1080 Average: 6005970 7496462 311320 3.83 44836 1640632 553170 6.03 498672 1392936 578 01:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 0.74 0.06 0.10 0.03 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.40 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.85 0.02 5.68 0.01 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.26 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 9.95 5.24 20.27 3.06 0.00 0.00 0.00 0.00 03:00:12 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:12 ens3 67.49 49.73 277.21 9.77 0.00 0.00 0.00 0.00 03:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:12 ens3 45.20 41.83 9.36 5.60 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 15.77 12.22 39.65 2.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1385) 04/09/26 _x86_64_ (2 CPU) 01:47:16 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.26 0.00 0.18 0.02 0.04 99.50 02:00:09 0 0.11 0.00 0.20 0.03 0.05 99.60 02:00:09 1 0.41 0.00 0.15 0.02 0.03 99.40 02:10:09 all 0.25 0.00 0.07 0.01 0.04 99.63 02:10:09 0 0.05 0.00 0.09 0.01 0.04 99.81 02:10:09 1 0.45 0.00 0.06 0.01 0.04 99.45 02:20:09 all 0.26 0.00 0.07 0.10 0.03 99.54 02:20:09 0 0.06 0.00 0.10 0.17 0.04 99.64 02:20:09 1 0.47 0.00 0.05 0.02 0.03 99.44 02:30:10 all 0.27 0.00 0.15 0.03 0.03 99.51 02:30:10 0 0.19 0.00 0.17 0.04 0.03 99.57 02:30:10 1 0.36 0.00 0.14 0.02 0.03 99.45 02:40:10 all 0.28 0.00 0.08 0.03 0.03 99.57 02:40:10 0 0.43 0.00 0.07 0.05 0.03 99.42 02:40:10 1 0.14 0.00 0.09 0.02 0.04 99.72 02:50:01 all 0.54 0.00 0.11 0.01 0.03 99.31 02:50:01 0 0.66 0.00 0.11 0.02 0.02 99.19 02:50:01 1 0.43 0.00 0.11 0.01 0.03 99.43 03:00:12 all 13.74 0.00 1.92 0.52 0.07 83.74 03:00:12 0 12.81 0.00 1.88 0.51 0.07 84.73 03:00:12 1 14.68 0.00 1.97 0.54 0.08 82.74 03:10:12 all 5.84 0.00 0.55 0.06 0.06 93.49 03:10:12 0 6.60 0.00 0.53 0.05 0.06 92.76 03:10:12 1 5.07 0.00 0.57 0.06 0.07 94.23 Average: all 2.70 0.00 0.39 0.10 0.04 96.77 Average: 0 2.63 0.00 0.40 0.11 0.04 96.82 Average: 1 2.76 0.00 0.39 0.09 0.04 96.72