---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10980 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 746 5285 4 2199 7195 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:bc:b8:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81727sec preferred_lft 81727sec inet6 fe80::f816:3eff:febc:b8c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10980) 05/05/26 _x86_64_ (2 CPU) 01:48:12 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 2.04 0.28 1.74 0.03 32.18 76.90 435.77 02:10:00 1.26 0.01 1.24 0.02 0.05 15.37 1.20 02:20:01 13.94 0.00 1.39 12.54 0.16 16.51 108946.01 02:30:01 1.55 0.00 1.54 0.01 0.00 18.61 435.43 02:40:01 1.35 0.00 1.35 0.00 0.00 16.72 0.00 02:50:01 1.37 0.00 1.37 0.00 0.00 16.66 0.00 03:00:01 23.85 3.01 18.59 2.24 228.01 3151.25 560.99 Average: 6.48 0.47 3.89 2.12 37.20 473.10 15789.27 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6270172 7547416 272608 3.35 30868 1451636 730552 7.96 460036 1204312 124 02:10:00 6269668 7547460 272564 3.35 31096 1451952 730544 7.96 460172 1204856 120 02:20:01 6262612 7540996 278920 3.43 31296 1452336 732068 7.97 460092 1205412 124 02:30:01 6254476 7533392 286504 3.52 31488 1452660 732068 7.97 460100 1205924 196 02:40:01 6254224 7533656 286228 3.52 31668 1452992 732136 7.97 460436 1206432 220 02:50:01 6254224 7534276 285584 3.51 31836 1453440 732224 7.98 461016 1206920 140 03:00:01 5285264 7411476 359804 4.42 85172 2204932 834316 9.09 599364 1966192 364 Average: 6121520 7521239 291745 3.59 39061 1559993 746273 8.13 480174 1314293 184 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.13 0.24 3.17 0.05 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.38 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.23 0.04 0.04 0.01 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 0.23 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.36 0.08 0.11 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.32 0.11 0.11 0.06 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 110.32 76.24 312.29 18.21 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 16.14 10.97 45.11 2.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10980) 05/05/26 _x86_64_ (2 CPU) 01:48:12 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.41 0.00 0.20 0.03 0.04 99.33 02:00:00 0 0.43 0.00 0.18 0.03 0.03 99.34 02:00:00 1 0.39 0.00 0.22 0.04 0.05 99.31 02:10:00 all 0.26 0.00 0.08 0.01 0.04 99.62 02:10:00 0 0.37 0.00 0.06 0.00 0.03 99.54 02:10:00 1 0.15 0.00 0.09 0.02 0.05 99.70 02:20:01 all 0.27 0.00 0.09 0.04 0.04 99.56 02:20:01 0 0.42 0.00 0.09 0.05 0.04 99.40 02:20:01 1 0.12 0.00 0.09 0.02 0.05 99.71 02:30:01 all 0.30 0.00 0.17 0.01 0.04 99.48 02:30:01 0 0.31 0.00 0.16 0.02 0.04 99.47 02:30:01 1 0.28 0.00 0.19 0.00 0.05 99.48 02:40:01 all 0.25 0.00 0.08 0.01 0.05 99.62 02:40:01 0 0.05 0.00 0.08 0.00 0.05 99.81 02:40:01 1 0.45 0.00 0.07 0.02 0.04 99.42 02:50:01 all 0.28 0.00 0.08 0.01 0.04 99.59 02:50:01 0 0.21 0.00 0.08 0.02 0.04 99.66 02:50:01 1 0.35 0.00 0.07 0.00 0.04 99.53 03:00:01 all 13.42 0.00 2.05 0.69 0.08 83.77 03:00:01 0 11.35 0.00 1.84 0.67 0.08 86.06 03:00:01 1 15.49 0.00 2.25 0.71 0.08 81.47 Average: all 2.16 0.00 0.39 0.11 0.05 97.29 Average: 0 1.87 0.00 0.35 0.11 0.04 97.62 Average: 1 2.46 0.00 0.42 0.12 0.05 96.95