---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37485 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: 5600.00 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 745 5275 4 2211 7196 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:5f:c2:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83971sec preferred_lft 83971sec inet6 fe80::f816:3eff:fe5f:c2fd/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-37485) 07/21/26 _x86_64_ (2 CPU) 01:57:59 LINUX RESTART (2 CPU) 02:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 9.00 0.27 8.06 0.67 17.16 1749.45 17.35 02:20:35 3.16 0.06 2.65 0.44 6.43 96.28 186.98 02:30:15 2.07 0.00 1.83 0.25 0.00 24.50 4.52 Average: 4.74 0.11 4.17 0.46 7.92 618.86 72.60 02:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 5417012 7367432 412164 5.07 71004 2050656 835632 9.10 600492 1826800 192 02:20:35 5491428 7446000 332944 4.09 72516 2053016 763324 8.31 527128 1828800 280 02:30:15 5493448 7448540 330416 4.06 72700 2053340 761340 8.29 526016 1829312 160 Average: 5467296 7420657 358508 4.41 72073 2052337 786765 8.57 551212 1828304 211 02:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 14.09 8.43 136.42 1.96 0.00 0.00 0.00 0.00 02:20:35 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:20:35 ens3 2.96 1.55 0.82 0.49 0.00 0.00 0.00 0.00 02:30:15 lo 1.46 1.46 0.09 0.09 0.00 0.00 0.00 0.00 02:30:15 ens3 2.11 2.13 0.23 0.22 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 6.36 4.00 45.38 0.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37485) 07/21/26 _x86_64_ (2 CPU) 01:57:59 LINUX RESTART (2 CPU) 02:00:03 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 3.28 0.00 0.45 0.21 0.42 95.64 02:10:01 0 3.80 0.00 0.46 0.17 0.53 95.05 02:10:01 1 2.75 0.00 0.44 0.25 0.31 96.24 02:20:35 all 1.71 0.00 0.32 0.68 0.25 97.04 02:20:35 0 2.84 0.00 0.36 0.39 0.26 96.15 02:20:35 1 0.58 0.00 0.27 0.97 0.25 97.93 02:30:15 all 0.46 0.00 0.64 0.02 0.02 98.86 02:30:15 0 0.47 0.00 0.64 0.03 0.02 98.84 02:30:15 1 0.45 0.00 0.64 0.01 0.03 98.87 Average: all 1.83 0.00 0.46 0.31 0.24 97.16 Average: 0 2.40 0.00 0.48 0.20 0.27 96.65 Average: 1 1.26 0.00 0.45 0.42 0.20 97.67