---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17253 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 736 5272 4 2224 7205 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:3e:af:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83264sec preferred_lft 83264sec inet6 fe80::f816:3eff:fe3e:af85/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17253) 05/21/26 _x86_64_ (2 CPU) 00:15:45 LINUX RESTART (2 CPU) 00:20:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:02 2.09 0.29 1.78 0.03 33.32 79.96 901.70 00:40:01 1.39 0.01 1.36 0.02 1.11 16.87 1.13 00:50:22 13.54 0.00 1.39 12.14 0.14 16.98 105524.86 01:00:12 1.52 0.00 1.49 0.03 0.00 18.54 665.52 Average: 4.75 0.07 1.50 3.17 8.40 32.62 27782.33 00:20:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:02 6244648 7521968 297800 3.66 30880 1451696 715880 7.80 462016 1204476 312 00:40:01 6252460 7530640 289148 3.56 31088 1452332 520992 5.67 457512 1205012 132 00:50:22 6252460 7531232 288516 3.55 31312 1452704 521128 5.68 457628 1205568 200 01:00:12 6251580 7530896 288788 3.55 31496 1453028 521260 5.68 457980 1206088 208 Average: 6250287 7528684 291063 3.58 31194 1452440 569815 6.21 458784 1205286 213 00:20:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 1.12 0.35 3.40 0.12 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 0.61 0.15 0.18 0.10 0.00 0.00 0.00 0.00 00:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:22 ens3 0.41 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.38 0.20 0.10 0.65 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.62 0.18 0.91 0.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17253) 05/21/26 _x86_64_ (2 CPU) 00:15:45 LINUX RESTART (2 CPU) 00:20:22 CPU %user %nice %system %iowait %steal %idle 00:30:02 all 0.41 0.00 0.20 0.03 0.04 99.32 00:30:02 0 0.36 0.00 0.19 0.03 0.04 99.38 00:30:02 1 0.46 0.00 0.22 0.03 0.04 99.26 00:40:01 all 0.27 0.00 0.07 0.01 0.04 99.61 00:40:01 0 0.08 0.00 0.09 0.02 0.05 99.76 00:40:01 1 0.45 0.00 0.05 0.01 0.03 99.46 00:50:22 all 0.26 0.00 0.08 0.03 0.04 99.59 00:50:22 0 0.06 0.00 0.11 0.05 0.04 99.75 00:50:22 1 0.47 0.00 0.05 0.02 0.03 99.43 01:00:12 all 0.29 0.00 0.15 0.01 0.04 99.51 01:00:12 0 0.17 0.00 0.17 0.01 0.04 99.60 01:00:12 1 0.41 0.00 0.13 0.01 0.03 99.41 Average: all 0.31 0.00 0.12 0.02 0.04 99.51 Average: 0 0.17 0.00 0.14 0.03 0.04 99.63 Average: 1 0.45 0.00 0.11 0.02 0.03 99.39