---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37442 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 779 5058 4 2404 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:24:15:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84485sec preferred_lft 84485sec inet6 fe80::f816:3eff:fe24:1575/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37442) 07/21/26 _x86_64_ (2 CPU) 00:39:01 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:07 37.20 14.97 19.87 2.35 279.58 3494.02 597.36 01:00:01 1.57 0.01 1.53 0.03 0.04 78.73 1.44 01:10:02 16.94 0.05 2.73 14.16 1.58 320.68 107614.03 Average: 18.69 5.05 8.10 5.53 94.59 1308.36 36130.51 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:07 5151560 7403360 355208 4.37 89372 2314172 691744 7.53 583104 2088064 508 01:00:01 5115480 7385496 372664 4.58 89540 2332172 687100 7.48 594972 2106232 584 01:10:02 5249160 7393588 373100 4.59 91028 2212748 684628 7.46 593116 1988000 22532 Average: 5172067 7394148 366991 4.51 89980 2286364 687824 7.49 590397 2060765 7875 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:07 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:50:07 ens3 118.46 91.70 288.11 15.73 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 41.06 41.48 11.05 3.51 0.00 0.00 0.00 0.00 01:10:02 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 46.81 42.57 32.74 17.16 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 69.02 58.74 111.49 12.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37442) 07/21/26 _x86_64_ (2 CPU) 00:39:01 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:07 all 14.21 0.18 2.23 1.56 0.07 81.75 00:50:07 0 11.49 0.09 1.93 1.19 0.07 85.24 00:50:07 1 16.94 0.28 2.52 1.94 0.07 78.25 01:00:01 all 6.15 0.00 0.93 0.03 0.07 92.82 01:00:01 0 4.51 0.00 0.83 0.04 0.07 94.56 01:00:01 1 7.79 0.00 1.04 0.02 0.07 91.08 01:10:02 all 7.16 0.00 0.88 0.33 0.07 91.56 01:10:02 0 10.11 0.00 1.15 0.49 0.08 88.17 01:10:02 1 4.20 0.00 0.61 0.16 0.05 94.97 Average: all 9.20 0.06 1.35 0.64 0.07 88.68 Average: 0 8.73 0.03 1.31 0.58 0.07 89.29 Average: 1 9.67 0.09 1.40 0.71 0.07 88.06