---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27260 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 742 5223 4 2267 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:9d:cf:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81149sec preferred_lft 81149sec inet6 fe80::f816:3eff:fe9d:cfce/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-27260) 06/14/26 _x86_64_ (2 CPU) 00:35:41 LINUX RESTART (2 CPU) 00:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:16 1.24 0.03 1.21 0.00 1.24 15.01 0.12 01:00:01 1.39 0.01 1.36 0.02 0.05 16.75 448.42 01:10:16 1.23 0.00 1.21 0.02 0.00 14.64 1.07 01:20:16 1.22 0.00 1.20 0.02 0.01 14.60 1.11 01:30:01 2.03 0.26 1.72 0.05 32.85 78.41 894.75 01:40:06 1.65 0.37 1.27 0.01 14.43 46.59 1.07 01:50:06 36.57 2.63 18.14 15.80 213.20 3461.49 107379.04 02:00:01 1.60 0.00 1.58 0.02 0.00 23.87 0.35 Average: 5.88 0.41 3.47 2.00 32.74 460.19 13630.88 00:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:16 6288216 7534528 286100 3.52 30568 1421424 539200 5.87 444320 1183328 128 01:00:01 6291556 7538428 282248 3.47 30780 1421752 539200 5.87 444340 1183868 280 01:10:16 6291556 7538972 281696 3.46 31000 1422076 539368 5.87 444612 1184412 128 01:20:16 6291056 7539008 281656 3.46 31196 1422404 539424 5.88 444828 1184940 156 01:30:01 6262112 7537392 282800 3.48 31604 1448952 539488 5.88 454144 1202688 164 01:40:06 6235440 7525368 294636 3.62 31876 1463164 551976 6.01 479456 1215892 176 01:50:06 5195760 7392216 375144 4.61 87048 2269616 644100 7.02 593204 2033200 184 02:00:01 5154392 7352880 414440 5.10 87180 2271504 666876 7.26 607888 2035224 412 Average: 6001261 7494849 312340 3.84 45156 1642612 569954 6.21 489099 1402944 204 00:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 1.44 0.10 0.17 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.47 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 0.32 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 0.43 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.67 0.40 3.27 0.68 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 14.47 5.71 19.96 2.67 0.00 0.00 0.00 0.00 01:50:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:06 ens3 65.34 45.94 307.91 9.43 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 12.64 11.72 108.23 1.08 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 12.01 8.02 55.04 1.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27260) 06/14/26 _x86_64_ (2 CPU) 00:35:41 LINUX RESTART (2 CPU) 00:40:16 CPU %user %nice %system %iowait %steal %idle 00:50:16 all 0.23 0.00 0.08 0.01 0.03 99.66 00:50:16 0 0.32 0.00 0.08 0.02 0.03 99.56 00:50:16 1 0.14 0.00 0.08 0.01 0.03 99.75 01:00:01 all 0.27 0.00 0.16 0.01 0.02 99.53 01:00:01 0 0.47 0.00 0.13 0.01 0.02 99.37 01:00:01 1 0.08 0.00 0.19 0.01 0.03 99.69 01:10:16 all 0.23 0.00 0.07 0.02 0.03 99.65 01:10:16 0 0.41 0.00 0.06 0.01 0.02 99.49 01:10:16 1 0.05 0.00 0.08 0.03 0.03 99.81 01:20:16 all 0.22 0.00 0.08 0.01 0.03 99.67 01:20:16 0 0.39 0.00 0.06 0.02 0.02 99.51 01:20:16 1 0.05 0.00 0.09 0.01 0.04 99.82 01:30:01 all 0.40 0.00 0.20 0.04 0.03 99.34 01:30:01 0 0.28 0.00 0.23 0.06 0.03 99.41 01:30:01 1 0.52 0.00 0.16 0.01 0.02 99.28 01:40:06 all 0.46 0.00 0.10 0.02 0.03 99.40 01:40:06 0 0.29 0.00 0.11 0.01 0.04 99.54 01:40:06 1 0.62 0.00 0.08 0.02 0.02 99.26 01:50:06 all 11.63 0.00 1.74 0.58 0.08 85.97 01:50:06 0 10.68 0.00 1.81 0.62 0.08 86.81 01:50:06 1 12.58 0.00 1.68 0.54 0.07 85.14 02:00:01 all 0.88 0.00 0.29 0.03 0.08 98.73 02:00:01 0 0.79 0.00 0.26 0.01 0.07 98.86 02:00:01 1 0.96 0.00 0.32 0.04 0.08 98.60 Average: all 1.79 0.00 0.34 0.09 0.04 97.74 Average: 0 1.71 0.00 0.34 0.10 0.04 97.82 Average: 1 1.88 0.00 0.33 0.08 0.04 97.67