---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19661 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 8.0G 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 787 5096 4 2349 7153 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:aa:f6:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81040sec preferred_lft 81040sec inet6 fe80::f816:3eff:feaa:f6b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19661) 05/25/26 _x86_64_ (2 CPU) 00:37:12 LINUX RESTART (2 CPU) 00:40:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:14 1.32 0.03 1.29 0.01 1.26 16.01 0.73 01:00:25 1.93 0.26 1.63 0.04 31.52 74.93 429.27 01:10:24 1.40 0.03 1.36 0.02 2.15 15.99 0.89 01:20:27 13.81 0.00 1.31 12.50 0.16 16.02 108705.54 01:30:27 1.55 0.00 1.53 0.02 0.00 19.20 435.47 01:40:07 1.78 0.41 1.37 0.01 16.35 49.53 225.03 01:50:04 23.47 2.62 18.59 2.26 211.84 3400.72 574.55 02:00:27 1.61 0.00 1.59 0.01 0.33 72.26 0.22 Average: 5.85 0.42 3.57 1.86 32.78 455.64 13835.70 00:40:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:14 6292928 7543588 276952 3.41 30768 1425572 529156 5.76 448108 1187404 204 01:00:25 6247520 7525460 294548 3.62 31196 1451992 529156 5.76 457248 1205216 240 01:10:24 6253880 7532980 287064 3.53 31380 1452960 529288 5.76 458008 1205808 168 01:20:27 6268300 7547960 272072 3.35 31560 1453328 529348 5.77 458372 1206328 128 01:30:27 6252684 7533016 286836 3.53 31776 1453792 585372 6.38 464640 1206852 16 01:40:07 6235912 7531316 288280 3.54 32092 1468448 546608 5.95 483504 1220324 380 01:50:04 5175844 7378648 389080 4.78 86692 2276740 677604 7.38 629208 2039620 276 02:00:27 5156616 7376052 391660 4.82 86856 2293204 680368 7.41 631860 2056152 324 Average: 5985460 7496128 310812 3.82 45290 1659504 575862 6.27 503868 1415963 217 00:40:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:14 ens3 1.06 0.09 0.15 0.06 0.00 0.00 0.00 0.00 01:00:25 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:25 ens3 0.71 0.25 3.13 0.05 0.00 0.00 0.00 0.00 01:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 0.40 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 0.48 0.10 0.13 0.06 0.00 0.00 0.00 0.00 01:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:27 ens3 0.37 0.18 0.07 0.56 0.00 0.00 0.00 0.00 01:40:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 14.41 5.37 21.10 2.79 0.00 0.00 0.00 0.00 01:50:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:04 ens3 75.78 54.29 300.85 10.18 0.00 0.00 0.00 0.00 02:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:27 ens3 43.53 40.04 10.07 5.64 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 17.17 12.67 41.68 2.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19661) 05/25/26 _x86_64_ (2 CPU) 00:37:12 LINUX RESTART (2 CPU) 00:40:23 CPU %user %nice %system %iowait %steal %idle 00:50:14 all 0.29 0.00 0.06 0.01 0.04 99.60 00:50:14 0 0.51 0.00 0.04 0.02 0.03 99.40 00:50:14 1 0.06 0.00 0.09 0.00 0.04 99.81 01:00:25 all 0.34 0.00 0.18 0.02 0.04 99.42 01:00:25 0 0.56 0.00 0.19 0.04 0.03 99.17 01:00:25 1 0.11 0.00 0.16 0.01 0.04 99.67 01:10:24 all 0.27 0.00 0.08 0.01 0.04 99.60 01:10:24 0 0.46 0.00 0.06 0.01 0.03 99.44 01:10:24 1 0.09 0.00 0.10 0.01 0.05 99.76 01:20:27 all 0.25 0.00 0.08 0.03 0.04 99.60 01:20:27 0 0.32 0.00 0.08 0.04 0.04 99.52 01:20:27 1 0.18 0.00 0.08 0.02 0.04 99.68 01:30:27 all 0.27 0.00 0.15 0.02 0.04 99.53 01:30:27 0 0.32 0.00 0.14 0.02 0.03 99.49 01:30:27 1 0.22 0.00 0.17 0.01 0.04 99.56 01:40:07 all 0.48 0.00 0.08 0.02 0.04 99.38 01:40:07 0 0.69 0.00 0.05 0.02 0.02 99.22 01:40:07 1 0.27 0.00 0.12 0.02 0.05 99.53 01:50:04 all 14.29 0.00 1.82 1.13 0.08 82.68 01:50:04 0 11.51 0.00 1.74 1.83 0.07 84.84 01:50:04 1 17.08 0.00 1.90 0.43 0.08 80.51 02:00:27 all 6.19 0.00 0.57 0.01 0.09 93.14 02:00:27 0 6.06 0.00 0.57 0.01 0.08 93.27 02:00:27 1 6.31 0.00 0.57 0.01 0.09 93.01 Average: all 2.80 0.00 0.38 0.16 0.05 96.62 Average: 0 2.56 0.00 0.36 0.25 0.04 96.79 Average: 1 3.04 0.00 0.40 0.06 0.05 96.44