---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66100 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 744 5301 4 2184 7196 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:e9:23:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81273sec preferred_lft 81273sec inet6 fe80::f816:3eff:fee9:23a6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66100) 04/03/26 _x86_64_ (2 CPU) 00:43:21 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.41 0.01 1.38 0.02 0.05 17.56 656.45 01:10:03 1.21 0.00 1.19 0.02 0.00 14.59 1.09 01:20:03 1.88 0.32 1.54 0.03 39.03 72.41 1.40 01:30:01 1.72 0.03 1.66 0.03 3.21 20.24 1.56 01:40:03 1.34 0.00 1.32 0.02 0.00 15.64 1.20 01:50:03 22.58 3.02 17.33 2.23 226.24 3121.01 814.21 02:00:03 1.74 0.01 1.71 0.02 0.57 37.69 0.27 Average: 4.55 0.48 3.73 0.34 38.44 471.31 210.58 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6282420 7533520 286932 3.53 30676 1426256 531924 5.79 451212 1187244 132 01:10:03 6282420 7534064 286380 3.52 30888 1426584 531924 5.79 451796 1187784 212 01:20:03 6231396 7511772 307972 3.79 31280 1454544 731212 7.96 465100 1205072 176 01:30:01 6221336 7503256 316624 3.89 31504 1455828 533432 5.81 459996 1205704 248 01:40:03 6229488 7512080 307808 3.78 31712 1456284 533572 5.81 460348 1206244 204 01:50:03 5342028 7454476 317216 3.90 85000 2191684 562044 6.12 549440 1949816 2432 02:00:03 5244028 7358904 412756 5.08 85132 2194052 655620 7.14 608868 1952312 392 Average: 5976159 7486867 319384 3.93 46599 1657890 582818 6.35 492394 1413454 542 00:50:03 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 0.70 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.85 0.13 0.20 0.10 0.00 0.00 0.00 0.00 01:20:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.90 0.36 3.22 0.14 0.00 0.00 0.00 0.00 01:30:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.32 0.09 0.08 0.04 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.60 0.23 0.18 0.77 0.00 0.00 0.00 0.00 01:50:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:03 ens3 62.40 38.56 297.87 10.95 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 12.81 8.99 37.41 1.29 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 11.22 6.92 48.44 1.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66100) 04/03/26 _x86_64_ (2 CPU) 00:43:21 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.25 0.00 0.16 0.02 0.04 99.53 01:00:01 0 0.12 0.00 0.19 0.00 0.05 99.64 01:00:01 1 0.39 0.00 0.13 0.03 0.04 99.41 01:10:03 all 0.26 0.00 0.07 0.01 0.04 99.62 01:10:03 0 0.06 0.00 0.09 0.00 0.05 99.80 01:10:03 1 0.46 0.00 0.05 0.02 0.04 99.44 01:20:03 all 0.41 0.00 0.10 0.05 0.04 99.39 01:20:03 0 0.22 0.00 0.12 0.06 0.05 99.55 01:20:03 1 0.61 0.00 0.09 0.04 0.04 99.22 01:30:01 all 0.28 0.00 0.16 0.01 0.04 99.51 01:30:01 0 0.37 0.00 0.17 0.02 0.04 99.40 01:30:01 1 0.18 0.00 0.15 0.00 0.05 99.63 01:40:03 all 0.22 0.00 0.06 0.01 0.03 99.68 01:40:03 0 0.36 0.00 0.04 0.02 0.02 99.56 01:40:03 1 0.07 0.00 0.08 0.00 0.05 99.80 01:50:03 all 10.70 0.00 1.66 0.57 0.05 87.01 01:50:03 0 9.22 0.00 1.57 0.48 0.05 88.68 01:50:03 1 12.19 0.00 1.76 0.66 0.05 85.35 02:00:03 all 0.99 0.00 0.28 0.03 0.08 98.62 02:00:03 0 0.94 0.00 0.28 0.02 0.08 98.68 02:00:03 1 1.04 0.00 0.28 0.03 0.08 98.57 Average: all 1.87 0.00 0.36 0.10 0.05 97.62 Average: 0 1.61 0.00 0.35 0.09 0.05 97.90 Average: 1 2.13 0.00 0.36 0.11 0.05 97.35