---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64953 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 746 5298 4 2185 7195 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:07:bb:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82028sec preferred_lft 82028sec inet6 fe80::f816:3eff:fe07:bb5a/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-64953) 04/01/26 _x86_64_ (2 CPU) 00:41:04 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 2.12 0.33 1.76 0.03 40.12 75.75 653.98 01:10:03 1.32 0.00 1.31 0.02 0.00 15.51 1.20 01:20:03 1.33 0.00 1.31 0.02 0.01 15.55 1.20 01:30:03 1.50 0.00 1.47 0.03 0.00 18.51 872.03 01:40:03 1.33 0.00 1.31 0.01 0.00 15.93 1.08 01:50:03 22.54 3.02 17.28 2.25 227.76 3105.23 1017.04 Average: 5.02 0.56 4.07 0.39 44.65 541.08 424.42 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6242408 7522052 297892 3.66 30984 1453880 530884 5.78 458304 1204256 224 01:10:03 6264460 7544632 275304 3.39 31176 1454212 531088 5.78 458512 1204780 184 01:20:03 6271796 7552508 267388 3.29 31380 1454540 531184 5.79 458900 1205312 216 01:30:03 6265812 7547084 272776 3.35 31600 1454868 531312 5.79 459176 1205860 192 01:40:03 6265812 7547748 272104 3.35 31804 1455320 531408 5.79 459460 1206388 184 01:50:03 5323968 7435996 335632 4.13 85028 2191020 626828 6.83 560300 1949752 2608 Average: 6105709 7525003 286849 3.53 40329 1577307 547117 5.96 475775 1329391 601 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 1.00 0.22 3.10 0.05 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 1.55 0.08 8.29 0.05 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 1.18 0.12 0.35 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.50 0.19 0.10 0.52 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.69 0.18 0.22 0.13 0.00 0.00 0.00 0.00 01:50:03 lo 1.30 1.30 0.11 0.11 0.00 0.00 0.00 0.00 01:50:03 ens3 47.75 33.00 296.12 9.83 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 8.78 5.63 51.36 1.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64953) 04/01/26 _x86_64_ (2 CPU) 00:41:04 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.41 0.00 0.21 0.19 0.03 99.16 01:00:03 0 0.42 0.00 0.17 0.36 0.03 99.03 01:00:03 1 0.41 0.00 0.25 0.02 0.04 99.29 01:10:03 all 0.28 0.00 0.08 0.01 0.03 99.61 01:10:03 0 0.10 0.00 0.09 0.02 0.03 99.76 01:10:03 1 0.45 0.00 0.07 0.00 0.03 99.45 01:20:03 all 0.27 0.00 0.08 0.05 0.03 99.58 01:20:03 0 0.35 0.00 0.08 0.10 0.03 99.45 01:20:03 1 0.19 0.00 0.08 0.00 0.03 99.70 01:30:03 all 0.32 0.00 0.16 0.01 0.11 99.40 01:30:03 0 0.47 0.00 0.15 0.01 0.19 99.18 01:30:03 1 0.17 0.00 0.17 0.01 0.04 99.61 01:40:03 all 0.21 0.00 0.07 0.24 0.02 99.46 01:40:03 0 0.36 0.00 0.05 0.47 0.01 99.10 01:40:03 1 0.06 0.00 0.08 0.01 0.03 99.82 01:50:03 all 10.50 0.00 1.60 0.63 0.05 87.22 01:50:03 0 7.93 0.00 1.38 0.72 0.04 89.93 01:50:03 1 13.06 0.00 1.83 0.54 0.05 84.51 Average: all 2.00 0.00 0.37 0.19 0.05 97.41 Average: 0 1.60 0.00 0.32 0.28 0.06 97.74 Average: 1 2.39 0.00 0.41 0.10 0.04 97.07