---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15431 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 766 5125 4 2347 7175 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:de:7f:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78190sec preferred_lft 78190sec inet6 fe80::f816:3eff:fede:7f51/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15431) 05/16/26 _x86_64_ (2 CPU) 00:00:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.82 0.02 1.78 0.02 0.87 20.84 0.21 00:20:38 1.86 0.10 1.74 0.03 2.88 23.34 493.33 00:30:26 23.06 3.21 17.59 2.25 234.71 3199.48 503.24 Average: 8.82 1.10 6.96 0.75 78.46 1066.71 341.19 00:00:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6118652 7506880 301920 3.71 52920 1531580 534880 5.83 471880 1302200 260 00:20:38 6129168 7484416 324344 3.99 53100 1498368 532972 5.81 470620 1268956 188 00:30:26 5200596 7394556 366312 4.50 102808 2246476 627312 6.83 597736 2021320 480 Average: 5816139 7461951 330859 4.07 69609 1758808 565055 6.15 513412 1530825 309 00:00:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.17 0.06 0.07 0.04 0.00 0.00 0.00 0.00 00:20:38 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:38 ens3 0.20 0.08 0.07 0.03 0.00 0.00 0.00 0.00 00:30:26 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:30:26 ens3 61.06 44.40 308.81 12.55 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.20 14.64 101.57 4.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15431) 05/16/26 _x86_64_ (2 CPU) 00:00:38 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.21 0.00 0.11 0.01 0.04 99.63 00:10:01 0 0.27 0.00 0.09 0.02 0.03 99.59 00:10:01 1 0.15 0.00 0.13 0.00 0.06 99.67 00:20:38 all 0.58 0.00 0.21 0.01 0.05 99.15 00:20:38 0 0.42 0.00 0.21 0.02 0.06 99.30 00:20:38 1 0.74 0.00 0.20 0.01 0.04 99.01 00:30:26 all 10.71 0.00 1.74 0.48 0.06 87.00 00:30:26 0 10.69 0.00 1.64 0.42 0.06 87.18 00:30:26 1 10.74 0.00 1.84 0.54 0.05 86.83 Average: all 3.79 0.00 0.68 0.17 0.05 95.31 Average: 0 3.75 0.00 0.64 0.15 0.05 95.41 Average: 1 3.84 0.00 0.72 0.18 0.05 95.21