---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36801 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 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 827 5034 4 2373 7113 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:8c:6a:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84259sec preferred_lft 84259sec inet6 fe80::f816:3eff:fe8c:6aee/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-36801) 07/18/26 _x86_64_ (2 CPU) 01:57:36 LINUX RESTART (2 CPU) 02:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 11.06 1.28 8.43 1.35 112.71 1206.56 387.06 02:20:01 1.36 0.01 1.33 0.02 0.07 76.48 1.09 02:30:06 2.07 0.25 1.78 0.04 30.72 105.81 3.11 Average: 4.77 0.51 3.80 0.46 47.25 455.86 127.96 02:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 5212256 7415428 351444 4.32 86176 2276876 675152 7.35 579704 2048576 2308 02:20:01 5187440 7406956 359600 4.42 86380 2293012 682776 7.44 587624 2064916 136 02:30:06 5105616 7360680 405312 4.98 86696 2327804 900484 9.81 618828 2091252 420 Average: 5168437 7394355 372119 4.58 86417 2299231 752804 8.20 595385 2068248 955 02:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 108.58 88.58 61.25 14.55 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 45.90 46.20 11.01 3.90 0.00 0.00 0.00 0.00 02:30:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 6.74 7.28 5.34 0.78 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 53.17 46.91 25.52 6.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36801) 07/18/26 _x86_64_ (2 CPU) 01:57:36 LINUX RESTART (2 CPU) 02:00:16 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 10.76 0.00 1.61 0.21 0.07 87.36 02:10:01 0 13.79 0.00 1.78 0.32 0.07 84.04 02:10:01 1 7.73 0.00 1.43 0.10 0.06 90.68 02:20:01 all 6.44 0.00 0.98 0.01 0.08 92.49 02:20:01 0 4.61 0.00 0.76 0.02 0.08 94.54 02:20:01 1 8.28 0.00 1.20 0.01 0.08 90.44 02:30:06 all 2.99 0.00 0.60 0.02 0.06 96.33 02:30:06 0 3.32 0.00 0.65 0.03 0.06 95.94 02:30:06 1 2.65 0.00 0.56 0.01 0.06 96.72 Average: all 6.68 0.00 1.06 0.08 0.07 92.12 Average: 0 7.17 0.00 1.06 0.12 0.07 91.59 Average: 1 6.19 0.00 1.06 0.04 0.07 92.65