---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30003 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 8.1G 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 787 4995 4 2453 7154 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:11:01:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80494sec preferred_lft 80494sec inet6 fe80::f816:3eff:fe11:1d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30003) 06/24/26 _x86_64_ (2 CPU) 01:58:36 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:10 13.74 0.03 1.36 12.35 1.37 16.44 107654.23 02:20:01 1.75 0.26 1.46 0.02 31.48 75.27 0.91 02:30:01 1.40 0.00 1.37 0.03 1.05 17.21 436.84 02:40:10 1.21 0.00 1.21 0.00 0.00 14.93 0.00 02:50:00 1.16 0.00 1.16 0.00 0.00 14.31 0.00 03:00:00 1.38 0.00 1.37 0.01 0.00 17.45 435.69 03:10:10 1.45 0.00 1.44 0.01 0.00 17.95 214.24 03:20:00 1.38 0.03 1.36 0.00 2.18 16.20 0.04 03:30:00 24.68 3.00 19.39 2.29 226.07 3558.27 653.92 Average: 5.37 0.37 3.35 1.66 29.08 416.47 12329.82 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:10 6298288 7548888 271364 3.34 30604 1425632 531704 5.79 442428 1187344 188 02:20:01 6242300 7519936 299868 3.69 30972 1451932 737836 8.04 456776 1205256 244 02:30:01 6257784 7536308 283432 3.49 31188 1452572 531984 5.79 451676 1205800 248 02:40:10 6265624 7544648 275088 3.38 31356 1452896 532136 5.80 454632 1206292 136 02:50:00 6272680 7552196 267560 3.29 31508 1453228 532188 5.80 454716 1206776 164 03:00:00 6264340 7544488 275232 3.38 31668 1453684 533020 5.81 455932 1207264 164 03:10:10 6260056 7540732 279000 3.43 31864 1454008 533084 5.81 455968 1207784 188 03:20:00 6251172 7532988 286724 3.53 32020 1454976 533084 5.81 456872 1208348 124 03:30:00 5146960 7381196 385724 4.74 87152 2307176 670728 7.31 625352 2070552 168 Average: 6139912 7522376 291555 3.59 37592 1545123 570640 6.22 472706 1300602 180 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 1.86 0.04 0.21 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.03 0.49 3.25 0.05 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.38 0.04 0.68 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 0.48 0.08 0.20 0.05 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.33 0.17 0.10 0.43 0.00 0.00 0.00 0.00 03:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:10 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 03:20:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 0.23 0.07 0.08 0.04 0.00 0.00 0.00 0.00 03:30:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:30:00 ens3 82.53 56.95 337.67 13.97 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.71 6.44 38.04 1.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30003) 06/24/26 _x86_64_ (2 CPU) 01:58:36 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:10 all 0.29 0.00 0.09 0.03 0.03 99.55 02:10:10 0 0.14 0.00 0.09 0.01 0.04 99.72 02:10:10 1 0.43 0.00 0.10 0.06 0.03 99.38 02:20:01 all 0.34 0.00 0.11 0.11 0.03 99.41 02:20:01 0 0.56 0.00 0.10 0.04 0.03 99.28 02:20:01 1 0.13 0.00 0.12 0.17 0.04 99.54 02:30:01 all 0.28 0.00 0.16 0.01 0.03 99.51 02:30:01 0 0.20 0.00 0.18 0.02 0.03 99.57 02:30:01 1 0.36 0.00 0.15 0.01 0.03 99.45 02:40:10 all 0.28 0.00 0.08 0.01 0.03 99.60 02:40:10 0 0.44 0.00 0.05 0.00 0.02 99.48 02:40:10 1 0.13 0.00 0.11 0.02 0.04 99.71 02:50:00 all 0.26 0.00 0.08 0.01 0.02 99.62 02:50:00 0 0.39 0.00 0.07 0.00 0.02 99.52 02:50:00 1 0.13 0.00 0.10 0.02 0.03 99.72 03:00:00 all 0.26 0.00 0.16 0.01 0.02 99.54 03:00:00 0 0.24 0.00 0.16 0.00 0.03 99.57 03:00:00 1 0.28 0.00 0.17 0.02 0.02 99.51 03:10:10 all 0.24 0.00 0.09 0.01 0.02 99.65 03:10:10 0 0.15 0.00 0.09 0.01 0.02 99.74 03:10:10 1 0.33 0.00 0.09 0.01 0.02 99.56 03:20:00 all 0.27 0.00 0.07 0.01 0.02 99.63 03:20:00 0 0.44 0.00 0.06 0.01 0.02 99.47 03:20:00 1 0.10 0.00 0.08 0.01 0.03 99.78 03:30:00 all 15.71 0.00 1.83 0.53 0.06 81.87 03:30:00 0 24.13 0.00 2.17 0.68 0.06 72.95 03:30:00 1 7.28 0.00 1.49 0.37 0.05 90.81 Average: all 1.99 0.00 0.30 0.08 0.03 97.60 Average: 0 2.96 0.00 0.33 0.08 0.03 96.59 Average: 1 1.02 0.00 0.27 0.08 0.03 98.61