---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12370 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 767 5273 4 2189 7174 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:26:c9:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84055sec preferred_lft 84055sec inet6 fe80::f816:3eff:fe26:c906/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12370) 05/10/26 _x86_64_ (2 CPU) 00:15:50 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:06 4.60 0.22 3.98 0.40 8.85 751.42 230.82 00:40:01 1.74 0.26 1.47 0.01 31.29 76.75 0.61 00:50:36 1.29 0.00 1.28 0.01 1.00 23.15 0.59 Average: 2.53 0.16 2.23 0.14 13.41 280.64 76.50 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:06 5315016 7404744 367168 4.51 84584 2169448 637420 6.94 580340 1939172 256 00:40:01 5266084 7382860 388596 4.78 84832 2196160 833948 9.08 596420 1957368 280 00:50:36 5283224 7403120 368460 4.53 85008 2199096 643692 7.01 595572 1960168 124 Average: 5288108 7396908 374741 4.61 84808 2188235 705020 7.68 590777 1952236 220 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:06 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:30:06 ens3 26.38 17.90 10.65 4.47 0.00 0.00 0.00 0.00 00:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 2.43 0.58 3.49 0.19 0.00 0.00 0.00 0.00 00:50:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:36 ens3 0.98 0.46 0.16 0.11 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.82 6.25 4.70 1.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12370) 05/10/26 _x86_64_ (2 CPU) 00:15:50 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:06 all 2.90 0.00 0.55 0.07 0.05 96.43 00:30:06 0 2.21 0.00 0.49 0.08 0.04 97.18 00:30:06 1 3.59 0.00 0.61 0.06 0.06 95.67 00:40:01 all 0.67 0.00 0.17 0.02 0.05 99.09 00:40:01 0 0.79 0.00 0.18 0.02 0.05 98.96 00:40:01 1 0.55 0.00 0.17 0.02 0.05 99.22 00:50:36 all 1.02 0.00 0.15 0.01 0.05 98.76 00:50:36 0 0.33 0.00 0.11 0.01 0.05 99.51 00:50:36 1 1.72 0.00 0.19 0.01 0.06 98.02 Average: all 1.53 0.00 0.29 0.03 0.05 98.10 Average: 0 1.10 0.00 0.26 0.03 0.05 98.57 Average: 1 1.95 0.00 0.32 0.03 0.06 97.64