---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1459 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 760 5016 4 2459 7181 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:90:ce:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81049sec preferred_lft 81049sec inet6 fe80::f816:3eff:fe90:ce78/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1459) 08/02/26 _x86_64_ (2 CPU) 05:14:32 LINUX RESTART (2 CPU) 05:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:18 1.48 0.01 1.47 0.01 0.05 17.69 436.14 05:40:18 1.37 0.00 1.35 0.02 0.00 15.93 1.09 05:50:18 1.85 0.25 1.57 0.02 30.96 75.98 1.04 06:00:06 1.70 0.01 1.67 0.03 1.07 19.78 445.89 06:10:19 1.38 0.00 1.36 0.02 0.00 15.83 0.44 06:20:18 1.43 0.00 1.42 0.01 0.00 16.55 0.28 06:30:19 15.33 1.63 12.68 1.03 116.49 2347.74 429.26 06:40:06 24.83 1.28 8.42 15.13 112.22 1468.64 108942.58 Average: 6.12 0.39 3.73 2.00 32.40 494.98 13518.89 05:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:18 6295088 7542052 278300 3.42 30620 1422024 533332 5.81 446884 1183676 184 05:40:18 6299684 7547200 273116 3.36 30832 1422360 533356 5.81 446984 1184224 132 05:50:18 6252208 7527084 292756 3.60 31208 1448984 734036 8.00 461368 1202460 176 06:00:06 6251908 7527688 291996 3.59 31428 1449632 533504 5.81 456176 1203012 148 06:10:19 6251908 7528352 291328 3.58 31624 1450092 533504 5.81 456360 1203544 132 06:20:18 6251908 7528900 290712 3.57 31836 1450420 533572 5.81 456672 1204084 132 06:30:19 5442572 7382560 396940 4.88 72080 2038916 666292 7.26 608184 1816116 3904 06:40:06 5044760 7343872 402740 4.95 87648 2368136 700560 7.63 640916 2131980 392 Average: 6011254 7490964 314736 3.87 43410 1631320 596020 6.49 496693 1391137 650 05:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:18 ens3 0.87 0.08 0.13 0.04 0.00 0.00 0.00 0.00 05:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:18 ens3 0.50 0.06 0.09 0.04 0.00 0.00 0.00 0.00 05:50:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:50:18 ens3 1.26 0.22 3.36 0.03 0.00 0.00 0.00 0.00 06:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:06 ens3 0.23 0.05 0.05 0.01 0.00 0.00 0.00 0.00 06:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:19 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 06:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:18 ens3 0.24 0.05 0.07 0.03 0.00 0.00 0.00 0.00 06:30:19 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 06:30:19 ens3 37.26 25.11 277.69 6.06 0.00 0.00 0.00 0.00 06:40:06 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 06:40:06 ens3 48.05 42.13 145.76 10.23 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 10.98 8.38 53.19 2.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1459) 08/02/26 _x86_64_ (2 CPU) 05:14:32 LINUX RESTART (2 CPU) 05:20:18 CPU %user %nice %system %iowait %steal %idle 05:30:18 all 0.28 0.00 0.17 0.02 0.02 99.50 05:30:18 0 0.26 0.00 0.17 0.03 0.02 99.52 05:30:18 1 0.31 0.00 0.17 0.02 0.03 99.48 05:40:18 all 0.28 0.00 0.08 0.02 0.02 99.60 05:40:18 0 0.07 0.00 0.10 0.03 0.03 99.77 05:40:18 1 0.48 0.00 0.06 0.01 0.02 99.43 05:50:18 all 0.37 0.00 0.10 0.11 0.02 99.40 05:50:18 0 0.37 0.00 0.10 0.02 0.02 99.48 05:50:18 1 0.37 0.00 0.10 0.19 0.02 99.31 06:00:06 all 0.28 0.00 0.17 0.01 0.02 99.51 06:00:06 0 0.23 0.00 0.18 0.02 0.02 99.55 06:00:06 1 0.34 0.00 0.16 0.01 0.02 99.47 06:10:19 all 0.27 0.00 0.07 0.01 0.02 99.63 06:10:19 0 0.06 0.00 0.09 0.01 0.03 99.81 06:10:19 1 0.47 0.00 0.06 0.00 0.02 99.44 06:20:18 all 0.27 0.00 0.08 0.01 0.02 99.62 06:20:18 0 0.23 0.00 0.10 0.01 0.03 99.64 06:20:18 1 0.30 0.00 0.07 0.01 0.02 99.60 06:30:19 all 6.35 0.00 1.00 0.34 0.04 92.26 06:30:19 0 7.33 0.00 1.01 0.28 0.03 91.34 06:30:19 1 5.37 0.00 1.00 0.41 0.04 93.18 06:40:06 all 12.12 0.00 1.11 0.68 0.06 86.02 06:40:06 0 18.20 0.00 1.17 0.98 0.06 79.58 06:40:06 1 6.03 0.00 1.06 0.38 0.06 92.47 Average: all 2.50 0.00 0.35 0.15 0.03 96.98 Average: 0 3.30 0.00 0.36 0.17 0.03 96.14 Average: 1 1.70 0.00 0.33 0.13 0.03 97.81