---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19643 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: 5600.00 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 763 5135 4 2335 7178 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:9e:cf:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82802sec preferred_lft 82802sec inet6 fe80::f816:3eff:fe9e:cffe/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-19643) 05/25/26 _x86_64_ (2 CPU) 00:35:32 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:08 2.16 0.29 1.82 0.05 32.62 132.94 2.76 01:00:08 1.75 0.01 1.71 0.03 1.11 26.36 0.41 01:10:02 1.32 0.00 1.30 0.01 0.00 132.71 400.35 01:20:00 1.40 0.00 1.38 0.02 0.01 33.73 0.16 01:30:08 14.86 0.00 1.54 13.31 0.14 25.89 104920.24 Average: 4.33 0.06 1.55 2.71 6.84 70.23 21308.15 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:08 5149720 7340660 427544 5.26 85684 2266548 860940 9.38 614828 2028720 52 01:00:08 5158204 7351496 416508 5.12 85864 2268688 668456 7.28 613352 2030732 128 01:10:02 5071216 7299940 467744 5.75 86048 2303616 704304 7.67 648916 2065844 160 01:20:00 5051800 7286256 481324 5.92 86212 2309108 725300 7.90 669344 2071500 404 01:30:08 5098192 7334960 432500 5.32 86376 2311220 691844 7.54 635848 2073624 132 Average: 5105826 7322662 445124 5.47 86037 2291836 730169 7.95 636458 2054084 175 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 17.78 16.04 224.58 1.92 0.00 0.00 0.00 0.00 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 7.85 7.41 61.24 0.84 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 10.09 9.33 158.29 1.01 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 14.05 13.48 142.29 1.78 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 10.05 9.80 137.95 0.95 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.98 11.22 145.00 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19643) 05/25/26 _x86_64_ (2 CPU) 00:35:32 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:08 all 1.43 0.00 0.31 0.03 0.04 98.19 00:50:08 0 1.21 0.00 0.27 0.04 0.03 98.45 00:50:08 1 1.66 0.00 0.35 0.02 0.04 97.93 01:00:08 all 2.40 0.00 0.46 0.02 0.04 97.08 01:00:08 0 3.15 0.00 0.57 0.02 0.05 96.21 01:00:08 1 1.66 0.00 0.36 0.01 0.04 97.93 01:10:02 all 6.49 0.00 0.71 0.02 0.06 92.72 01:10:02 0 1.60 0.00 0.28 0.02 0.04 98.06 01:10:02 1 11.44 0.00 1.15 0.02 0.07 87.33 01:20:00 all 1.97 0.00 0.29 0.01 0.05 97.68 01:20:00 0 1.76 0.00 0.17 0.02 0.04 98.01 01:20:00 1 2.18 0.00 0.41 0.00 0.05 97.35 01:30:08 all 0.92 0.00 0.33 0.03 0.04 98.67 01:30:08 0 0.71 0.00 0.25 0.05 0.03 98.97 01:30:08 1 1.14 0.00 0.41 0.01 0.06 98.38 Average: all 2.62 0.00 0.42 0.02 0.04 96.89 Average: 0 1.68 0.00 0.31 0.03 0.04 97.95 Average: 1 3.57 0.00 0.53 0.01 0.05 95.84