---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16945 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 752 5297 4 2180 7189 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:9a:58:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82205sec preferred_lft 82205sec inet6 fe80::f816:3eff:fe9a:58ea/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-16945) 05/20/26 _x86_64_ (2 CPU) 00:29:51 LINUX RESTART (2 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:06 8.01 3.30 4.66 0.06 388.62 4997.67 225.74 00:50:06 1.16 0.01 1.15 0.00 0.05 14.27 0.12 01:00:06 1.36 0.00 1.35 0.01 0.00 16.84 653.99 01:10:06 1.14 0.00 1.14 0.00 0.00 14.21 0.12 01:20:06 1.70 0.25 1.44 0.01 30.99 73.25 0.17 01:30:06 1.32 0.00 1.31 0.01 0.00 16.89 871.29 Average: 2.46 0.60 1.84 0.02 70.30 860.15 291.83 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:06 6283684 7530812 289936 3.57 30500 1422312 521980 5.69 450404 1183040 212 00:50:06 6291020 7538664 282012 3.47 30680 1422640 522064 5.69 450596 1183548 188 01:00:06 6275440 7523592 297116 3.65 30836 1422964 522120 5.69 450684 1184028 232 01:10:06 6278980 7527632 293068 3.60 31000 1423296 529128 5.76 448576 1184524 236 01:20:06 6236912 7512248 307948 3.79 31332 1449296 724252 7.89 463420 1202092 192 01:30:06 6233564 7509580 310532 3.82 31524 1449752 724252 7.89 463796 1202608 264 Average: 6266600 7523755 296769 3.65 30979 1431710 590633 6.43 454579 1189973 221 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:40:06 ens3 9.11 5.61 35.05 1.75 0.00 0.00 0.00 0.00 00:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 0.55 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.24 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.37 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.69 0.30 3.22 0.09 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.32 0.08 0.10 0.05 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 1.89 1.04 6.47 0.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16945) 05/20/26 _x86_64_ (2 CPU) 00:29:51 LINUX RESTART (2 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:06 all 0.75 0.00 0.41 1.67 0.04 97.12 00:40:06 0 0.64 0.00 0.34 1.93 0.04 97.06 00:40:06 1 0.86 0.00 0.49 1.42 0.04 97.18 00:50:06 all 0.26 0.00 0.07 0.01 0.04 99.61 00:50:06 0 0.36 0.00 0.05 0.01 0.03 99.55 00:50:06 1 0.17 0.00 0.09 0.02 0.04 99.68 01:00:06 all 0.23 0.00 0.16 0.01 0.04 99.55 01:00:06 0 0.18 0.00 0.16 0.00 0.04 99.62 01:00:06 1 0.29 0.00 0.17 0.03 0.04 99.48 01:10:06 all 0.28 0.00 0.07 0.01 0.04 99.61 01:10:06 0 0.19 0.00 0.09 0.00 0.04 99.68 01:10:06 1 0.36 0.00 0.05 0.02 0.04 99.54 01:20:06 all 0.38 0.00 0.10 0.11 0.03 99.37 01:20:06 0 0.48 0.00 0.06 0.16 0.03 99.28 01:20:06 1 0.29 0.00 0.14 0.07 0.04 99.47 01:30:06 all 0.26 0.00 0.17 0.07 0.03 99.47 01:30:06 0 0.46 0.00 0.16 0.12 0.03 99.24 01:30:06 1 0.07 0.00 0.18 0.01 0.04 99.71 Average: all 0.36 0.00 0.16 0.32 0.04 99.12 Average: 0 0.38 0.00 0.14 0.37 0.03 99.07 Average: 1 0.34 0.00 0.19 0.26 0.04 99.17