---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8370 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 5286 4 2176 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:32:c8:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82279sec preferred_lft 82279sec inet6 fe80::f816:3eff:fe32:c881/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8370) 04/27/26 _x86_64_ (2 CPU) 01:47:49 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 2.24 0.34 1.86 0.04 41.31 77.85 654.08 02:10:03 1.42 0.01 1.40 0.02 0.05 16.77 1.20 02:20:03 1.35 0.00 1.33 0.01 0.01 15.89 1.08 02:30:03 14.04 0.00 1.47 12.56 0.15 18.44 109780.38 02:40:03 1.17 0.00 1.17 0.00 0.00 14.44 0.00 02:50:03 1.66 0.40 1.26 0.00 15.44 46.67 0.00 Average: 3.65 0.13 1.42 2.10 9.49 31.68 18406.38 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 6246728 7522400 297500 3.66 30760 1450180 525632 5.73 458700 1200232 180 02:10:03 6254316 7530552 289344 3.56 30992 1450512 525632 5.73 458736 1200796 184 02:20:03 6261680 7538456 281428 3.46 31200 1450848 525832 5.73 458720 1201332 236 02:30:03 6260464 7537824 282028 3.47 31372 1451232 525832 5.73 458868 1201860 244 02:40:03 6259204 7537076 282784 3.48 31548 1451556 526020 5.73 459324 1202368 224 02:50:03 6228984 7521968 297696 3.66 31840 1466208 541424 5.90 484816 1215792 348 Average: 6251896 7531379 288463 3.55 31285 1453423 528395 5.76 463194 1203730 236 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.95 0.21 3.16 0.05 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.44 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.58 0.03 2.35 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.45 0.11 0.16 0.09 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 9.88 5.24 19.89 2.47 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 2.08 0.95 4.28 0.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8370) 04/27/26 _x86_64_ (2 CPU) 01:47:49 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.39 0.00 0.20 0.03 0.03 99.34 02:00:03 0 0.29 0.00 0.17 0.02 0.03 99.49 02:00:03 1 0.50 0.00 0.23 0.03 0.04 99.20 02:10:03 all 0.23 0.00 0.07 0.01 0.03 99.66 02:10:03 0 0.41 0.00 0.06 0.01 0.02 99.50 02:10:03 1 0.06 0.00 0.08 0.01 0.04 99.81 02:20:03 all 0.23 0.00 0.08 0.03 0.03 99.64 02:20:03 0 0.31 0.00 0.07 0.01 0.02 99.59 02:20:03 1 0.14 0.00 0.10 0.05 0.03 99.68 02:30:03 all 0.26 0.00 0.18 0.03 0.03 99.51 02:30:03 0 0.44 0.00 0.16 0.01 0.02 99.37 02:30:03 1 0.08 0.00 0.19 0.05 0.03 99.65 02:40:03 all 0.23 0.00 0.07 0.01 0.03 99.65 02:40:03 0 0.41 0.00 0.07 0.02 0.02 99.49 02:40:03 1 0.05 0.00 0.08 0.01 0.04 99.82 02:50:03 all 0.50 0.00 0.09 0.01 0.03 99.36 02:50:03 0 0.76 0.00 0.06 0.00 0.02 99.16 02:50:03 1 0.24 0.00 0.13 0.03 0.04 99.56 Average: all 0.31 0.00 0.12 0.02 0.03 99.53 Average: 0 0.44 0.00 0.10 0.01 0.02 99.43 Average: 1 0.18 0.00 0.14 0.03 0.04 99.62