---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10776 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 781 5189 4 2268 7160 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:84:7c:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 14097sec preferred_lft 14097sec inet6 fe80::f816:3eff:fe84:7c96/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10776) 05/05/26 _x86_64_ (2 CPU) 00:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:04 1.65 0.02 1.62 0.01 0.81 19.39 432.43 00:20:01 1.61 0.11 1.48 0.03 3.07 20.98 350.35 00:30:04 1.57 0.00 1.55 0.02 0.00 17.40 430.99 00:40:04 22.70 3.00 17.47 2.23 226.07 3124.49 492.39 Average: 6.88 0.78 5.53 0.57 57.48 795.57 426.63 00:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:04 6117584 7508248 300652 3.70 52716 1534180 599040 6.52 474792 1304436 324 00:20:01 6127012 7482416 326428 4.01 52860 1498720 596912 6.50 473596 1268904 264 00:30:04 6133356 7489256 319472 3.93 53016 1499048 597044 6.50 473552 1269388 216 00:40:04 5190728 7384784 376176 4.63 102504 2246896 694788 7.57 609444 2021600 660 Average: 5892170 7466176 330682 4.07 65274 1694711 621946 6.77 507846 1466082 366 00:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:04 ens3 0.23 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.15 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:04 ens3 0.50 0.13 0.18 0.10 0.00 0.00 0.00 0.00 00:40:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:04 ens3 63.08 46.00 303.40 11.79 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.99 11.56 75.92 2.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10776) 05/05/26 _x86_64_ (2 CPU) 00:00:04 CPU %user %nice %system %iowait %steal %idle 00:10:04 all 0.24 0.00 0.11 0.02 0.02 99.62 00:10:04 0 0.04 0.00 0.11 0.03 0.02 99.81 00:10:04 1 0.44 0.00 0.11 0.01 0.02 99.43 00:20:01 all 0.63 0.00 0.21 0.02 0.02 99.11 00:20:01 0 0.72 0.00 0.20 0.03 0.02 99.04 00:20:01 1 0.55 0.00 0.22 0.02 0.03 99.18 00:30:04 all 0.27 0.00 0.15 0.02 0.02 99.53 00:30:04 0 0.39 0.00 0.14 0.01 0.01 99.44 00:30:04 1 0.16 0.00 0.16 0.03 0.03 99.62 00:40:04 all 11.40 0.00 1.76 1.02 0.05 85.78 00:40:04 0 10.36 0.00 1.68 0.61 0.05 87.30 00:40:04 1 12.44 0.00 1.83 1.42 0.05 84.26 Average: all 3.13 0.00 0.56 0.27 0.03 96.01 Average: 0 2.87 0.00 0.53 0.17 0.03 96.40 Average: 1 3.39 0.00 0.58 0.37 0.03 95.63