---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34667 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: 5599.94 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 22% / 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 779 5106 4 2348 7162 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:95:93:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84618sec preferred_lft 84618sec inet6 fe80::f816:3eff:fe95:93e6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34667) 07/11/26 _x86_64_ (2 CPU) 00:36:13 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:03 3.54 0.04 3.30 0.21 2.42 730.04 47.02 01:00:03 1.47 0.01 1.44 0.02 0.05 98.62 0.48 Average: 2.51 0.02 2.37 0.12 1.24 414.74 23.78 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 5187684 7383012 384716 4.73 85916 2269992 700864 7.63 612556 2040996 264 01:00:03 5149276 7369040 398228 4.90 86072 2294144 706912 7.70 618440 2065304 252 Average: 5168480 7376026 391472 4.81 85994 2282068 703888 7.67 615498 2053150 258 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 93.07 73.30 25.60 12.80 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 57.06 55.89 24.75 5.66 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 75.09 64.60 25.18 9.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34667) 07/11/26 _x86_64_ (2 CPU) 00:36:13 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 6.71 0.00 1.01 0.05 0.05 92.17 00:50:03 0 6.58 0.00 0.92 0.04 0.05 92.41 00:50:03 1 6.84 0.00 1.11 0.07 0.05 91.93 01:00:03 all 6.05 0.00 0.81 0.01 0.07 93.06 01:00:03 0 4.67 0.00 0.67 0.00 0.07 94.58 01:00:03 1 7.43 0.00 0.94 0.02 0.07 91.53 Average: all 6.38 0.00 0.91 0.03 0.06 92.61 Average: 0 5.63 0.00 0.80 0.02 0.06 93.49 Average: 1 7.14 0.00 1.02 0.04 0.06 91.73