---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23541 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 748 5136 4 2348 7193 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:5a:c7:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82101sec preferred_lft 82101sec inet6 fe80::f816:3eff:fe5a:c786/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23541) 06/04/26 _x86_64_ (2 CPU) 00:42:40 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 1.51 0.01 1.49 0.02 0.05 18.23 0.32 01:10:01 1.31 0.00 1.31 0.00 0.00 15.05 0.00 01:20:02 1.35 0.00 1.35 0.00 0.01 15.42 0.00 01:30:04 1.37 0.00 1.36 0.02 0.00 17.10 0.32 01:40:01 1.19 0.00 1.19 0.00 0.00 14.48 0.00 01:50:04 23.81 3.02 18.54 2.25 227.92 3501.91 624.29 Average: 5.11 0.51 4.22 0.38 38.17 599.68 104.63 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6245700 7519316 300908 3.70 30916 1448004 531608 5.79 459116 1200640 208 01:10:01 6245252 7519372 300848 3.70 31076 1448344 531672 5.79 459300 1201140 156 01:20:02 6252840 7527472 292744 3.60 31256 1448668 531672 5.79 459780 1201644 208 01:30:04 6263232 7538368 281812 3.47 31420 1448992 531852 5.79 459616 1202132 220 01:40:01 6265184 7540944 279228 3.43 31576 1449456 531984 5.79 460264 1202624 252 01:50:04 5140192 7375908 373656 4.59 86472 2307980 653668 7.12 611484 2070332 2096 Average: 6068733 7503563 304866 3.75 40453 1591907 552076 6.01 484927 1346419 523 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.77 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.69 0.05 7.29 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.65 0.09 0.56 0.06 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.51 0.16 0.15 0.49 0.00 0.00 0.00 0.00 01:50:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:04 ens3 87.68 65.79 344.52 15.55 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.17 11.08 59.04 2.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23541) 06/04/26 _x86_64_ (2 CPU) 00:42:40 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.29 0.00 0.16 0.01 0.04 99.49 01:00:04 0 0.32 0.00 0.16 0.01 0.04 99.48 01:00:04 1 0.27 0.00 0.17 0.02 0.04 99.50 01:10:01 all 0.23 0.00 0.08 0.01 0.04 99.64 01:10:01 0 0.05 0.00 0.09 0.01 0.05 99.81 01:10:01 1 0.42 0.00 0.06 0.01 0.03 99.48 01:20:02 all 0.26 0.00 0.08 0.01 0.04 99.61 01:20:02 0 0.07 0.00 0.09 0.01 0.05 99.79 01:20:02 1 0.46 0.00 0.07 0.01 0.04 99.43 01:30:04 all 0.25 0.00 0.16 0.01 0.04 99.54 01:30:04 0 0.23 0.00 0.17 0.02 0.04 99.53 01:30:04 1 0.26 0.00 0.15 0.00 0.04 99.55 01:40:01 all 0.26 0.00 0.07 0.01 0.04 99.62 01:40:01 0 0.07 0.00 0.08 0.02 0.05 99.78 01:40:01 1 0.46 0.00 0.05 0.00 0.03 99.46 01:50:04 all 16.83 0.00 1.82 0.53 0.08 80.74 01:50:04 0 17.11 0.00 1.65 0.46 0.07 80.70 01:50:04 1 16.54 0.00 1.99 0.61 0.08 80.79 Average: all 3.03 0.00 0.39 0.10 0.05 96.43 Average: 0 2.98 0.00 0.37 0.09 0.05 96.50 Average: 1 3.07 0.00 0.42 0.11 0.04 96.36