---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1394 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 836 5087 4 2307 7104 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:cb:31:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83448sec preferred_lft 83448sec inet6 fe80::f816:3eff:fecb:312a/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-1394) 04/09/26 _x86_64_ (2 CPU) 02:57:35 LINUX RESTART (2 CPU) 03:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:03 12.01 1.62 9.10 1.29 152.46 1223.62 415.51 03:20:01 1.39 0.01 1.36 0.01 1.12 105.41 0.58 03:30:13 1.55 0.00 1.53 0.02 0.20 76.99 0.42 03:40:14 1.29 0.00 1.29 0.00 0.00 28.23 0.09 Average: 4.03 0.40 3.30 0.33 37.97 354.94 102.85 03:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:03 5260692 7383160 388544 4.78 84180 2202932 886652 9.66 614668 1961604 504 03:20:01 5215704 7366996 404420 4.97 84324 2231352 721612 7.86 643020 1989808 1524 03:30:13 5195828 7364316 406780 5.00 84504 2248064 697660 7.60 643388 2006752 132 03:40:14 5196840 7369572 401428 4.94 84652 2252100 696788 7.59 642488 2010936 132 Average: 5217266 7371011 400293 4.92 84415 2233612 750678 8.18 635891 1992275 573 03:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:03 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 03:10:03 ens3 98.21 74.36 59.63 13.27 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 14.48 14.50 15.65 1.19 0.00 0.00 0.00 0.00 03:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:13 ens3 13.02 12.94 8.16 1.15 0.00 0.00 0.00 0.00 03:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:14 ens3 24.20 24.05 4.96 1.69 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 37.21 31.27 21.93 4.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1394) 04/09/26 _x86_64_ (2 CPU) 02:57:35 LINUX RESTART (2 CPU) 03:00:09 CPU %user %nice %system %iowait %steal %idle 03:10:03 all 8.49 0.00 1.37 0.23 0.06 89.84 03:10:03 0 9.49 0.00 1.47 0.18 0.07 88.79 03:10:03 1 7.50 0.00 1.27 0.28 0.06 90.89 03:20:01 all 4.15 0.00 0.58 0.03 0.05 95.19 03:20:01 0 4.27 0.00 0.62 0.05 0.06 95.00 03:20:01 1 4.03 0.00 0.54 0.01 0.05 95.37 03:30:13 all 3.64 0.00 0.56 0.01 0.05 95.74 03:30:13 0 3.36 0.00 0.53 0.01 0.05 96.05 03:30:13 1 3.92 0.00 0.59 0.01 0.05 95.42 03:40:14 all 1.60 0.00 0.35 0.02 0.06 97.97 03:40:14 0 0.98 0.00 0.25 0.02 0.06 98.70 03:40:14 1 2.21 0.00 0.45 0.03 0.06 97.25 Average: all 4.45 0.00 0.71 0.07 0.06 94.71 Average: 0 4.50 0.00 0.71 0.06 0.06 94.66 Average: 1 4.40 0.00 0.71 0.08 0.06 94.75