---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1408 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 778 5111 4 2348 7163 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:93:5d:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51750sec preferred_lft 51750sec inet6 fe80::f816:3eff:fe93:5df0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1408) 04/10/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:13 1.86 0.01 1.83 0.02 0.80 22.11 212.26 00:20:02 1.98 0.11 1.85 0.03 3.11 25.84 546.01 00:30:13 22.22 3.09 16.93 2.20 225.46 3077.96 639.17 Average: 8.77 1.08 6.93 0.76 77.36 1054.44 464.78 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:13 6131924 7534528 274476 3.38 54420 1544092 546544 5.95 472360 1313116 340 00:20:02 6145216 7509448 299352 3.68 54564 1505536 599280 6.53 476032 1274484 240 00:30:13 5207372 7399004 362500 4.46 104132 2242728 598064 6.51 586312 2015804 2432 Average: 5828171 7480993 312109 3.84 71039 1764119 581296 6.33 511568 1534468 1004 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:13 ens3 0.31 0.08 0.11 0.06 0.00 0.00 0.00 0.00 00:20:02 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:02 ens3 0.24 0.08 0.08 0.04 0.00 0.00 0.00 0.00 00:30:13 lo 1.31 1.31 0.11 0.11 0.00 0.00 0.00 0.00 00:30:13 ens3 58.41 44.31 292.96 11.80 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 19.89 15.00 98.91 4.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1408) 04/10/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:13 all 0.21 0.00 0.10 0.01 0.03 99.65 00:10:13 0 0.06 0.00 0.11 0.01 0.03 99.79 00:10:13 1 0.37 0.00 0.09 0.01 0.02 99.52 00:20:02 all 0.67 0.00 0.22 0.01 0.03 99.07 00:20:02 0 0.59 0.00 0.22 0.02 0.03 99.14 00:20:02 1 0.76 0.00 0.22 0.01 0.03 98.99 00:30:13 all 10.27 0.00 1.65 0.41 0.04 87.62 00:30:13 0 10.34 0.00 1.65 0.41 0.04 87.56 00:30:13 1 10.21 0.00 1.65 0.42 0.05 87.68 Average: all 3.76 0.00 0.66 0.15 0.03 95.40 Average: 0 3.70 0.00 0.67 0.15 0.03 95.46 Average: 1 3.81 0.00 0.66 0.15 0.03 95.35