---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17252 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 778 5055 4 2408 7163 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:0d:f9:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81891sec preferred_lft 81891sec inet6 fe80::f816:3eff:fe0d:f978/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17252) 05/21/26 _x86_64_ (2 CPU) 00:15:44 LINUX RESTART (2 CPU) 00:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:16 2.09 0.28 1.78 0.03 32.21 77.56 654.92 00:40:01 16.02 13.91 2.06 0.05 156.21 45.97 6.59 00:50:16 1.37 0.00 1.37 0.00 0.00 16.13 0.00 01:00:16 1.57 0.00 1.56 0.01 0.00 18.61 0.23 01:10:16 37.37 3.15 19.12 15.10 231.09 3646.23 110943.81 01:20:06 1.38 0.00 1.38 0.00 0.35 64.24 0.03 01:30:34 6.92 0.08 5.24 1.60 5.65 556.41 1866.34 Average: 9.48 2.43 4.65 2.40 60.01 632.91 16155.87 00:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:16 6254508 7527656 292748 3.60 30816 1447668 733564 7.99 460520 1200508 184 00:40:01 6195216 7525832 285536 3.51 34992 1492604 530512 5.78 456456 1248700 164 00:50:16 6202804 7533912 277448 3.41 35160 1492932 530544 5.78 456488 1249196 132 01:00:16 6201436 7533068 278208 3.42 35328 1493252 530700 5.78 456600 1249684 172 01:10:16 5143740 7395360 363608 4.47 90336 2313648 636380 6.93 595160 2079188 172 01:20:06 5132268 7398248 360616 4.43 90480 2327888 646504 7.04 597388 2093428 372 01:30:34 5237256 7394612 373272 4.59 93392 2224488 626484 6.82 616372 1991444 29012 Average: 5766747 7472670 318777 3.92 58643 1827497 604955 6.59 519855 1587450 4315 00:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 1.06 0.31 3.29 0.11 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 0.63 0.15 0.18 0.10 0.00 0.00 0.00 0.00 00:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 0.42 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.37 0.20 0.10 0.70 0.00 0.00 0.00 0.00 01:10:16 lo 2.56 2.56 0.21 0.21 0.00 0.00 0.00 0.00 01:10:16 ens3 69.89 55.45 317.14 12.74 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 42.81 37.81 9.38 5.16 0.00 0.00 0.00 0.00 01:30:34 lo 1.82 1.82 0.14 0.14 0.00 0.00 0.00 0.00 01:30:34 ens3 40.01 36.17 25.98 18.26 0.00 0.00 0.00 0.00 Average: lo 1.35 1.35 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 22.24 18.66 50.82 5.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17252) 05/21/26 _x86_64_ (2 CPU) 00:15:44 LINUX RESTART (2 CPU) 00:20:16 CPU %user %nice %system %iowait %steal %idle 00:30:16 all 0.41 0.00 0.20 0.03 0.04 99.32 00:30:16 0 0.29 0.00 0.21 0.02 0.05 99.44 00:30:16 1 0.54 0.00 0.19 0.04 0.03 99.20 00:40:01 all 0.27 0.19 0.15 0.17 0.03 99.19 00:40:01 0 0.12 0.03 0.11 0.03 0.04 99.68 00:40:01 1 0.41 0.35 0.19 0.31 0.03 98.70 00:50:16 all 0.24 0.00 0.07 0.01 0.04 99.64 00:50:16 0 0.44 0.00 0.05 0.01 0.03 99.47 00:50:16 1 0.05 0.00 0.09 0.01 0.04 99.81 01:00:16 all 0.23 0.00 0.16 0.01 0.04 99.56 01:00:16 0 0.38 0.00 0.15 0.02 0.03 99.42 01:00:16 1 0.08 0.00 0.17 0.00 0.05 99.71 01:10:16 all 14.37 0.00 1.87 0.57 0.07 83.13 01:10:16 0 12.18 0.00 1.77 0.67 0.07 85.31 01:10:16 1 16.54 0.00 1.96 0.46 0.07 80.97 01:20:06 all 6.08 0.00 0.46 0.01 0.08 93.37 01:20:06 0 6.09 0.00 0.45 0.01 0.08 93.37 01:20:06 1 6.06 0.00 0.47 0.01 0.08 93.38 01:30:34 all 11.12 0.00 0.93 0.11 0.08 87.76 01:30:34 0 11.23 0.00 0.96 0.17 0.08 87.55 01:30:34 1 11.00 0.00 0.90 0.04 0.08 87.97 Average: all 4.70 0.03 0.55 0.13 0.05 94.54 Average: 0 4.42 0.00 0.53 0.13 0.05 94.86 Average: 1 4.98 0.05 0.57 0.12 0.05 94.22