---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36566 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 803 4960 4 2472 7138 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:0a:76:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81091sec preferred_lft 81091sec inet6 fe80::f816:3eff:fe0a:768b/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-36566) 07/17/26 _x86_64_ (2 CPU) 01:48:06 LINUX RESTART (2 CPU) 01:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.54 0.03 1.49 0.02 1.26 18.39 443.57 02:10:46 1.41 0.01 1.39 0.02 0.05 16.28 1.02 02:20:16 1.41 0.00 1.39 0.02 0.01 15.86 1.26 02:30:01 14.90 0.26 1.75 12.89 31.93 79.94 112456.67 02:40:26 1.27 0.00 1.24 0.02 1.01 14.93 1.20 02:50:46 1.28 0.00 1.27 0.02 0.00 15.29 1.28 03:00:01 1.44 0.00 1.43 0.01 0.00 17.12 470.85 03:10:46 23.51 2.66 18.66 2.19 210.08 3559.46 1062.40 Average: 5.97 0.39 3.72 1.86 32.17 496.50 13852.80 01:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6283556 7535340 285248 3.51 30652 1426744 531304 5.79 448092 1187492 124 02:10:46 6282884 7535280 285296 3.51 30896 1427104 531296 5.79 448088 1188096 124 02:20:16 6282884 7535800 284768 3.50 31084 1427432 533180 5.81 449352 1188608 164 02:30:01 6248256 7528528 291400 3.58 31468 1454016 731960 7.97 462700 1206788 240 02:40:26 6248048 7529208 290788 3.58 31680 1454688 531812 5.79 457980 1207356 216 02:50:46 6248048 7529900 290024 3.57 31900 1455144 531940 5.79 458768 1207908 124 03:00:01 6240588 7522872 296924 3.65 32036 1455432 532004 5.79 458932 1208332 244 03:10:46 5040196 7332796 432988 5.32 87864 2363592 730248 7.95 673312 2126760 6888 Average: 6109308 7506216 307180 3.78 38448 1558019 581718 6.34 482153 1315168 1016 01:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.11 0.05 0.14 0.03 0.00 0.00 0.00 0.00 02:10:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:46 ens3 0.51 0.04 5.17 0.01 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.25 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.06 0.53 3.53 0.05 0.00 0.00 0.00 0.00 02:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:26 ens3 0.41 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:46 ens3 0.46 0.21 0.14 0.54 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.39 0.12 0.13 0.08 0.00 0.00 0.00 0.00 03:10:46 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:10:46 ens3 79.10 56.14 373.76 14.31 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 11.07 7.62 51.03 2.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36566) 07/17/26 _x86_64_ (2 CPU) 01:48:06 LINUX RESTART (2 CPU) 01:50:11 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.25 0.00 0.17 0.01 0.03 99.54 02:00:01 0 0.42 0.00 0.16 0.01 0.03 99.38 02:00:01 1 0.08 0.00 0.17 0.01 0.04 99.70 02:10:46 all 0.21 0.00 0.07 0.01 0.03 99.67 02:10:46 0 0.38 0.00 0.05 0.00 0.02 99.54 02:10:46 1 0.05 0.00 0.09 0.02 0.04 99.79 02:20:16 all 0.23 0.00 0.07 0.01 0.03 99.65 02:20:16 0 0.25 0.00 0.06 0.00 0.03 99.66 02:20:16 1 0.22 0.00 0.08 0.02 0.04 99.65 02:30:01 all 0.40 0.00 0.20 0.05 0.03 99.32 02:30:01 0 0.34 0.00 0.18 0.07 0.03 99.38 02:30:01 1 0.45 0.00 0.22 0.03 0.04 99.26 02:40:26 all 0.28 0.00 0.07 0.01 0.03 99.61 02:40:26 0 0.49 0.00 0.05 0.01 0.02 99.44 02:40:26 1 0.07 0.00 0.09 0.01 0.04 99.78 02:50:46 all 0.28 0.00 0.07 0.01 0.03 99.62 02:50:46 0 0.34 0.00 0.06 0.01 0.02 99.57 02:50:46 1 0.21 0.00 0.08 0.01 0.03 99.67 03:00:01 all 0.25 0.00 0.15 0.01 0.03 99.56 03:00:01 0 0.22 0.00 0.17 0.01 0.03 99.58 03:00:01 1 0.28 0.00 0.14 0.01 0.03 99.54 03:10:46 all 16.02 0.00 1.69 0.53 0.06 81.70 03:10:46 0 18.77 0.00 1.79 0.33 0.07 79.04 03:10:46 1 13.27 0.00 1.58 0.73 0.06 84.35 Average: all 2.37 0.00 0.32 0.09 0.04 97.19 Average: 0 2.80 0.00 0.33 0.06 0.03 96.78 Average: 1 1.93 0.00 0.32 0.11 0.04 97.60