---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32769 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 766 5192 4 2275 7175 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:28:5a:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81614sec preferred_lft 81614sec inet6 fe80::f816:3eff:fe28:5a94/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32769) 07/04/26 _x86_64_ (2 CPU) 01:48:28 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 2.19 0.28 1.88 0.03 32.12 79.77 868.99 02:10:01 14.12 0.02 1.52 12.59 1.26 17.69 109419.84 02:20:03 1.29 0.00 1.27 0.02 0.01 15.51 1.09 02:30:03 1.55 0.00 1.52 0.03 0.00 18.76 654.56 02:40:03 1.31 0.00 1.30 0.02 0.00 15.60 1.20 02:50:03 1.39 0.00 1.37 0.02 0.00 16.31 1.20 03:00:03 1.61 0.02 1.55 0.03 2.15 19.31 654.48 Average: 3.35 0.05 1.49 1.81 5.09 26.16 15895.05 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 6256232 7534840 284980 3.50 30840 1453024 727304 7.92 454976 1204924 184 02:10:01 6277864 7557364 262296 3.23 31036 1453712 528412 5.76 449824 1205464 168 02:20:03 6277804 7557872 261784 3.22 31260 1454040 528412 5.76 449884 1206020 212 02:30:03 6270092 7550720 268912 3.31 31480 1454372 528444 5.76 450000 1206568 216 02:40:03 6282096 7563384 256280 3.15 31680 1454824 528640 5.76 450424 1207096 184 02:50:03 6280500 7562336 257328 3.16 31892 1455148 528768 5.76 450568 1207636 184 03:00:03 6248944 7532000 287612 3.54 32112 1456128 556040 6.06 461432 1208264 264 Average: 6270505 7551217 268456 3.30 31471 1454464 560860 6.11 452444 1206567 202 01:50:01 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 1.94 0.33 3.49 0.07 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.46 0.04 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 0.38 0.02 0.28 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 0.35 0.07 0.08 0.03 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 0.42 0.10 0.11 0.06 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 0.33 0.07 0.11 0.05 0.00 0.00 0.00 0.00 03:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:03 ens3 0.54 0.36 0.17 0.66 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 0.63 0.14 0.62 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32769) 07/04/26 _x86_64_ (2 CPU) 01:48:28 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.43 0.00 0.20 0.03 0.03 99.30 02:00:03 0 0.32 0.00 0.23 0.06 0.03 99.36 02:00:03 1 0.55 0.00 0.17 0.01 0.02 99.25 02:10:01 all 0.28 0.00 0.09 0.05 0.02 99.56 02:10:01 0 0.48 0.00 0.07 0.01 0.02 99.43 02:10:01 1 0.08 0.00 0.12 0.09 0.03 99.69 02:20:03 all 0.22 0.00 0.08 3.62 0.02 96.06 02:20:03 0 0.39 0.00 0.05 6.32 0.01 93.22 02:20:03 1 0.06 0.00 0.10 0.92 0.02 98.90 02:30:03 all 0.30 0.00 0.17 0.01 0.03 99.49 02:30:03 0 0.40 0.00 0.16 0.02 0.02 99.41 02:30:03 1 0.20 0.00 0.18 0.01 0.03 99.57 02:40:03 all 0.28 0.00 0.08 0.04 0.07 99.54 02:40:03 0 0.28 0.00 0.07 0.04 0.05 99.57 02:40:03 1 0.27 0.00 0.08 0.05 0.09 99.50 02:50:03 all 0.26 0.00 0.08 0.01 0.02 99.63 02:50:03 0 0.07 0.00 0.09 0.01 0.03 99.82 02:50:03 1 0.45 0.00 0.06 0.02 0.02 99.45 03:00:03 all 0.32 0.00 0.18 0.01 0.02 99.47 03:00:03 0 0.38 0.00 0.18 0.00 0.02 99.41 03:00:03 1 0.25 0.00 0.17 0.02 0.02 99.53 Average: all 0.30 0.00 0.12 0.54 0.03 99.01 Average: 0 0.33 0.00 0.12 0.92 0.02 98.60 Average: 1 0.27 0.00 0.13 0.16 0.03 99.41