---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2335 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 757 5229 4 2251 7184 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:b6:83:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82415sec preferred_lft 82415sec inet6 fe80::f816:3eff:feb6:83f0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2335) 04/13/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:06 2.28 0.35 1.90 0.03 41.63 77.11 432.78 00:20:33 13.85 0.12 1.69 12.04 4.48 20.88 104672.94 00:30:00 16.60 14.32 2.21 0.07 159.43 49.11 326.46 00:40:02 23.12 3.01 17.89 2.22 225.65 3089.10 493.11 Average: 13.91 4.26 5.93 3.72 105.91 811.20 27635.10 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:06 6223100 7504636 315052 3.87 31192 1455556 735408 8.01 469108 1205164 240 00:20:33 6250648 7533288 286416 3.52 31528 1456208 535708 5.83 463320 1205596 172 00:30:00 6175056 7514780 295884 3.64 35556 1500932 535716 5.83 464260 1253612 124 00:40:02 5232244 7404860 357400 4.39 88852 2239268 642388 7.00 601004 2000120 792 Average: 5970262 7489391 313688 3.86 46782 1662991 612305 6.67 499423 1416123 332 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:10:06 ens3 0.60 0.27 3.12 0.08 0.00 0.00 0.00 0.00 00:20:33 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:33 ens3 0.33 0.08 0.09 0.04 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 0.38 0.11 0.12 0.06 0.00 0.00 0.00 0.00 00:40:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 66.85 46.12 298.87 12.03 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.09 11.68 75.79 3.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2335) 04/13/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:06 all 0.40 0.00 0.14 0.04 0.04 99.38 00:10:06 0 0.57 0.00 0.15 0.04 0.04 99.20 00:10:06 1 0.24 0.00 0.14 0.03 0.04 99.55 00:20:33 all 0.45 0.00 0.20 0.04 0.03 99.28 00:20:33 0 0.29 0.00 0.20 0.06 0.03 99.42 00:20:33 1 0.62 0.00 0.20 0.01 0.03 99.14 00:30:00 all 0.26 0.19 0.23 0.14 0.03 99.15 00:30:00 0 0.12 0.36 0.29 0.26 0.03 98.93 00:30:00 1 0.40 0.01 0.17 0.02 0.03 99.38 00:40:02 all 11.49 0.00 1.72 0.68 0.05 86.06 00:40:02 0 10.75 0.00 1.52 0.57 0.05 87.11 00:40:02 1 12.23 0.00 1.92 0.78 0.05 85.01 Average: all 3.16 0.04 0.57 0.22 0.04 95.96 Average: 0 2.94 0.09 0.54 0.23 0.04 96.16 Average: 1 3.38 0.00 0.61 0.21 0.04 95.76