---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12123 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 761 5283 4 2185 7180 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:49:f0:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80908sec preferred_lft 80908sec inet6 fe80::f816:3eff:fe49:f02b/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-12123) 05/09/26 _x86_64_ (2 CPU) 00:41:04 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 14.56 0.27 1.72 12.58 32.23 76.88 109793.65 01:10:05 1.22 0.00 1.20 0.02 0.00 14.48 1.20 01:20:05 1.22 0.00 1.20 0.02 0.01 14.55 1.20 01:30:04 1.45 0.00 1.41 0.03 0.00 18.04 872.29 01:40:05 1.19 0.00 1.17 0.02 0.00 14.36 1.20 01:50:04 2.68 1.31 1.36 0.02 95.85 95.20 0.57 02:00:05 22.14 1.70 18.21 2.23 131.72 3098.12 891.07 02:10:04 1.27 0.00 1.26 0.01 0.00 21.16 0.08 Average: 5.71 0.41 3.44 1.86 32.48 419.11 13945.19 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6256176 7529516 290424 3.57 30876 1447784 527676 5.75 451460 1200536 188 01:10:05 6263988 7537864 282064 3.47 31076 1448116 527888 5.75 453904 1201064 248 01:20:05 6263988 7538420 281492 3.46 31296 1448448 527952 5.75 451596 1201612 248 01:30:04 6258124 7533108 286832 3.53 31504 1448768 528176 5.75 451856 1202148 192 01:40:05 6258124 7533748 286184 3.52 31688 1449220 528240 5.75 452052 1202656 196 01:50:04 6051472 7407124 408332 5.02 38660 1518584 704952 7.68 604176 1266492 20692 02:00:05 5241520 7359984 411396 5.06 85152 2197252 661712 7.21 624356 1958732 340 02:10:04 5221336 7341824 429592 5.28 85284 2199160 670364 7.30 624144 1960768 376 Average: 5976841 7472698 334540 4.11 45692 1644666 584620 6.37 514193 1399251 2810 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.84 0.29 3.17 0.05 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.48 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.60 0.13 0.19 0.10 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.43 0.20 0.08 0.60 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.39 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:50:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 16.63 9.59 50.54 4.24 0.00 0.00 0.00 0.00 02:00:05 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:00:05 ens3 49.56 34.87 264.46 7.22 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 13.86 12.19 107.33 1.09 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 10.35 7.18 53.25 1.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12123) 05/09/26 _x86_64_ (2 CPU) 00:41:04 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.39 0.00 0.20 0.04 0.03 99.34 01:00:05 0 0.57 0.00 0.17 0.02 0.02 99.22 01:00:05 1 0.22 0.00 0.23 0.06 0.04 99.45 01:10:05 all 0.25 0.00 0.07 0.01 0.02 99.64 01:10:05 0 0.39 0.00 0.06 0.00 0.02 99.54 01:10:05 1 0.12 0.00 0.08 0.02 0.03 99.75 01:20:05 all 0.28 0.00 0.08 0.02 0.03 99.60 01:20:05 0 0.31 0.00 0.08 0.01 0.03 99.58 01:20:05 1 0.25 0.00 0.08 0.02 0.03 99.63 01:30:04 all 0.26 0.00 0.16 0.17 0.02 99.39 01:30:04 0 0.08 0.00 0.17 0.33 0.03 99.40 01:30:04 1 0.44 0.00 0.15 0.01 0.02 99.39 01:40:05 all 0.24 0.00 0.07 0.01 0.02 99.66 01:40:05 0 0.06 0.00 0.08 0.01 0.02 99.82 01:40:05 1 0.42 0.00 0.06 0.01 0.01 99.50 01:50:04 all 0.93 0.00 0.22 0.03 0.02 98.80 01:50:04 0 0.58 0.00 0.21 0.02 0.02 99.17 01:50:04 1 1.27 0.00 0.22 0.05 0.02 98.44 02:00:05 all 10.32 0.00 1.64 0.50 0.05 87.49 02:00:05 0 10.42 0.00 1.71 0.39 0.06 87.43 02:00:05 1 10.22 0.00 1.57 0.61 0.05 87.55 02:10:04 all 0.88 0.00 0.20 0.01 0.04 98.87 02:10:04 0 1.07 0.00 0.23 0.02 0.06 98.62 02:10:04 1 0.68 0.00 0.16 0.01 0.03 99.11 Average: all 1.69 0.00 0.33 0.10 0.03 97.85 Average: 0 1.68 0.00 0.34 0.10 0.03 97.85 Average: 1 1.70 0.00 0.32 0.10 0.03 97.85