---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6865 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 741 5303 4 2185 7200 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:ce:a5:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81506sec preferred_lft 81506sec inet6 fe80::f816:3eff:fece:a552/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6865) 04/23/26 _x86_64_ (2 CPU) 00:42:02 LINUX RESTART (2 CPU) 00:50:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.47 0.01 1.45 0.02 0.06 17.94 682.89 01:10:26 13.86 0.31 1.50 12.06 37.59 71.41 104799.93 01:20:26 1.28 0.01 1.27 0.00 1.07 15.79 0.29 01:30:01 1.30 0.00 1.29 0.01 0.00 16.65 0.28 01:40:01 1.62 0.42 1.20 0.00 16.07 46.63 0.00 01:50:26 21.72 2.51 17.07 2.13 203.49 3000.16 745.60 02:00:01 1.49 0.00 1.47 0.02 0.00 23.31 0.29 Average: 6.33 0.48 3.72 2.13 38.58 477.12 15897.85 00:50:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6291208 7542256 278424 3.42 30712 1425960 521164 5.68 447224 1187380 132 01:10:26 6236584 7516784 302952 3.73 31128 1454308 731844 7.97 464368 1205052 240 01:20:26 6251508 7532524 287324 3.53 31284 1454952 521452 5.68 459180 1205540 136 01:30:01 6253060 7534700 285176 3.51 31468 1455364 522996 5.70 459748 1206020 148 01:40:01 6221212 7517976 301588 3.71 31784 1470096 540360 5.89 491524 1219548 324 01:50:26 5270612 7386400 385412 4.74 84944 2194904 639032 6.96 604628 1953464 124 02:00:01 5250048 7367832 403896 4.97 85088 2196772 661880 7.21 619624 1955464 484 Average: 5967747 7485496 320682 3.94 46630 1664622 591247 6.44 506614 1418924 227 00:50:26 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 0.61 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:10:26 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:26 ens3 0.86 0.23 10.20 0.05 0.00 0.00 0.00 0.00 01:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:26 ens3 0.44 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.26 0.07 0.07 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 10.13 4.91 20.05 3.20 0.00 0.00 0.00 0.00 01:50:26 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:50:26 ens3 57.28 40.36 280.22 8.59 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 13.90 12.57 112.05 1.15 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 12.26 8.55 61.85 1.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6865) 04/23/26 _x86_64_ (2 CPU) 00:42:02 LINUX RESTART (2 CPU) 00:50:26 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.18 0.11 0.03 99.39 01:00:01 0 0.24 0.00 0.18 0.05 0.03 99.51 01:00:01 1 0.34 0.00 0.18 0.18 0.03 99.27 01:10:26 all 0.37 0.00 0.13 0.14 0.03 99.34 01:10:26 0 0.56 0.00 0.14 0.11 0.03 99.17 01:10:26 1 0.17 0.00 0.12 0.17 0.03 99.51 01:20:26 all 0.26 0.00 0.07 0.04 0.03 99.60 01:20:26 0 0.30 0.00 0.07 0.02 0.03 99.58 01:20:26 1 0.21 0.00 0.08 0.06 0.03 99.61 01:30:01 all 0.31 0.00 0.17 0.04 0.03 99.45 01:30:01 0 0.24 0.00 0.17 0.08 0.03 99.48 01:30:01 1 0.38 0.00 0.17 0.00 0.03 99.42 01:40:01 all 0.54 0.00 0.11 0.07 0.03 99.26 01:40:01 0 0.36 0.00 0.12 0.06 0.04 99.42 01:40:01 1 0.72 0.00 0.09 0.07 0.03 99.09 01:50:26 all 10.68 0.00 1.64 1.79 0.07 85.83 01:50:26 0 5.45 0.00 1.26 1.31 0.07 91.91 01:50:26 1 15.90 0.00 2.02 2.27 0.06 79.76 02:00:01 all 0.89 0.00 0.29 0.04 0.06 98.71 02:00:01 0 1.16 0.00 0.37 0.01 0.09 98.37 02:00:01 1 0.62 0.00 0.21 0.08 0.04 99.05 Average: all 1.97 0.00 0.38 0.33 0.04 97.28 Average: 0 1.22 0.00 0.34 0.24 0.04 98.16 Average: 1 2.72 0.00 0.42 0.42 0.03 96.40