---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22122 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 772 5103 4 2365 7169 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:5d:2a:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7702sec preferred_lft 7702sec inet6 fe80::f816:3eff:fe5d:2a44/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22122) 06/02/26 _x86_64_ (2 CPU) 00:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:07 1.59 0.02 1.56 0.02 0.81 20.90 0.20 00:20:09 1.79 0.11 1.65 0.03 3.05 23.66 310.91 00:30:09 1.67 0.00 1.65 0.02 0.00 19.12 1.09 00:40:08 23.74 3.00 18.46 2.28 225.82 3429.16 516.38 Average: 7.19 0.78 5.82 0.59 57.32 871.63 207.05 00:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:07 6115000 7523824 284748 3.50 55392 1549448 571056 6.22 476680 1314812 192 00:20:09 6141124 7511720 296776 3.65 55536 1511016 568308 6.19 475296 1276180 136 00:30:09 6140436 7511528 296916 3.65 55704 1511372 568452 6.19 475372 1276668 204 00:40:08 5169544 7450844 306084 3.76 105784 2327524 594752 6.48 558568 2097836 180 Average: 5891526 7499479 296131 3.64 68104 1724840 575642 6.27 496479 1491374 178 00:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:07 ens3 0.24 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:09 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:09 ens3 0.25 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:09 ens3 0.54 0.13 0.18 0.10 0.00 0.00 0.00 0.00 00:40:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:08 ens3 97.11 69.28 323.20 17.66 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 24.49 17.35 80.73 4.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22122) 06/02/26 _x86_64_ (2 CPU) 00:00:08 CPU %user %nice %system %iowait %steal %idle 00:10:07 all 0.24 0.00 0.09 0.01 0.04 99.62 00:10:07 0 0.05 0.00 0.11 0.02 0.05 99.77 00:10:07 1 0.44 0.00 0.07 0.00 0.03 99.46 00:20:09 all 0.63 0.00 0.21 0.01 0.04 99.11 00:20:09 0 0.61 0.00 0.19 0.02 0.02 99.16 00:20:09 1 0.65 0.00 0.24 0.01 0.05 99.06 00:30:09 all 0.23 0.00 0.15 0.01 0.04 99.58 00:30:09 0 0.23 0.00 0.14 0.02 0.04 99.58 00:30:09 1 0.22 0.00 0.15 0.01 0.04 99.59 00:40:08 all 11.57 0.00 1.77 0.61 0.06 85.99 00:40:08 0 8.78 0.00 1.57 0.60 0.06 88.98 00:40:08 1 14.36 0.00 1.98 0.61 0.06 82.99 Average: all 3.16 0.00 0.55 0.16 0.04 96.08 Average: 0 2.41 0.00 0.50 0.16 0.04 96.88 Average: 1 3.91 0.00 0.61 0.16 0.04 95.29