---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1994 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 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 746 5141 4 2355 7195 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:98:66:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51792sec preferred_lft 51792sec inet6 fe80::f816:3eff:fe98:6640/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1994) 08/05/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.84 0.02 1.80 0.02 0.81 21.93 0.31 00:20:00 2.04 0.11 1.90 0.03 3.05 25.84 355.09 00:30:00 1.84 0.00 1.81 0.03 0.00 20.31 0.73 00:40:00 24.88 2.89 19.27 2.72 224.79 3503.31 2188.51 Average: 7.65 0.75 6.20 0.70 57.16 892.85 636.17 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6136516 7533672 274660 3.38 54364 1538936 585536 6.38 469360 1310172 340 00:20:00 6162104 7521100 287120 3.53 54512 1500556 527340 5.74 462596 1271728 144 00:30:00 6159340 7518792 289520 3.56 54636 1500884 527488 5.75 462460 1272180 124 00:40:00 5263292 7362452 402464 4.95 106188 2152312 651008 7.09 640780 1929876 15024 Average: 5930313 7484004 313441 3.85 67425 1673172 572843 6.24 508799 1445989 3908 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:00 ens3 0.29 0.08 0.11 0.05 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.20 0.07 0.09 0.05 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.57 0.14 0.20 0.11 0.00 0.00 0.00 0.00 00:40:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:00 ens3 66.82 47.88 325.01 14.68 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 16.97 12.04 81.35 3.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1994) 08/05/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.27 0.00 0.13 0.01 0.02 99.57 00:10:00 0 0.08 0.00 0.13 0.02 0.02 99.75 00:10:00 1 0.47 0.00 0.12 0.00 0.01 99.39 00:20:00 all 0.64 0.00 0.23 0.01 0.02 99.10 00:20:00 0 0.76 0.00 0.22 0.01 0.02 99.00 00:20:00 1 0.53 0.00 0.24 0.02 0.03 99.19 00:30:00 all 0.21 0.00 0.17 0.01 0.03 99.58 00:30:00 0 0.30 0.00 0.16 0.01 0.02 99.51 00:30:00 1 0.12 0.00 0.18 0.01 0.03 99.65 00:40:00 all 12.62 0.00 1.80 0.50 0.05 85.04 00:40:00 0 16.85 0.00 1.98 0.54 0.05 80.58 00:40:00 1 8.39 0.00 1.61 0.45 0.06 89.50 Average: all 3.44 0.00 0.58 0.13 0.03 95.82 Average: 0 4.50 0.00 0.62 0.14 0.03 94.71 Average: 1 2.37 0.00 0.54 0.12 0.03 96.94