---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29646 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 8.1G 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 814 5041 4 2379 7127 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:12:dc:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84361sec preferred_lft 84361sec inet6 fe80::f816:3eff:fe12:dc53/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29646) 06/23/26 _x86_64_ (2 CPU) 00:39:55 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:26 29.10 6.07 20.78 2.26 592.62 6870.21 480.33 01:00:26 1.54 0.01 1.50 0.03 0.05 109.49 1.71 01:10:42 1.86 0.25 1.59 0.03 30.16 104.29 1.34 Average: 11.00 2.14 8.07 0.79 211.18 2401.57 163.97 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:26 5212512 7397376 370016 4.55 85888 2259704 694616 7.57 591176 2030548 536 01:00:26 5167136 7380884 386084 4.75 86088 2288252 700560 7.63 597204 2059328 1508 01:10:42 5117416 7366884 399572 4.91 86416 2323224 931452 10.15 611872 2085856 796 Average: 5165688 7381715 385224 4.74 86131 2290393 775543 8.45 600084 2058577 947 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:26 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 00:50:26 ens3 129.76 87.23 353.13 20.00 0.00 0.00 0.00 0.00 01:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:26 ens3 65.00 63.82 29.09 6.29 0.00 0.00 0.00 0.00 01:10:42 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:42 ens3 28.26 25.99 14.07 3.16 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 74.67 59.10 134.00 9.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29646) 06/23/26 _x86_64_ (2 CPU) 00:39:55 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:26 all 14.59 0.00 2.42 0.84 0.06 82.09 00:50:26 0 19.18 0.00 2.72 0.76 0.06 77.28 00:50:26 1 9.99 0.00 2.11 0.93 0.06 86.91 01:00:26 all 7.28 0.00 1.05 0.01 0.07 91.59 01:00:26 0 7.73 0.00 0.90 0.01 0.07 91.29 01:00:26 1 6.82 0.00 1.20 0.01 0.07 91.90 01:10:42 all 5.08 0.00 0.57 0.02 0.06 94.27 01:10:42 0 3.90 0.00 0.53 0.02 0.06 95.50 01:10:42 1 6.27 0.00 0.61 0.02 0.07 93.03 Average: all 9.03 0.00 1.35 0.30 0.06 89.26 Average: 0 10.34 0.00 1.40 0.26 0.06 87.94 Average: 1 7.71 0.00 1.31 0.33 0.07 90.58