---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53397 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 7.8G 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 741 5385 4 2100 7200 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:5f:cf:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82488sec preferred_lft 82488sec inet6 fe80::f816:3eff:fe5f:cfd1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53397) 03/27/26 _x86_64_ (2 CPU) 05:13:55 LINUX RESTART (2 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:22 1.31 0.01 1.29 0.01 0.05 16.28 633.10 05:40:01 1.32 0.00 1.31 0.02 0.00 15.13 1.13 05:50:09 2.07 0.34 1.71 0.02 41.66 73.26 0.88 06:00:31 1.56 0.00 1.55 0.01 0.00 17.82 0.26 06:10:31 1.37 0.00 1.37 0.00 0.00 15.68 0.00 Average: 1.53 0.07 1.45 0.01 8.37 27.69 130.02 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:22 6298092 7549104 271536 3.34 30720 1425924 527996 5.75 445508 1187288 184 05:40:01 6297588 7549124 271544 3.34 30916 1426248 527940 5.75 445684 1187808 216 05:50:09 6260176 7541356 278776 3.43 31312 1455088 528008 5.75 457720 1205108 216 06:00:31 6254760 7536456 283664 3.49 31476 1455416 528164 5.75 457784 1205600 124 06:10:31 6257684 7540008 280108 3.44 31644 1455868 528164 5.75 457936 1206092 124 Average: 6273660 7543210 277126 3.41 31214 1443709 528054 5.75 452926 1198379 173 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:22 ens3 0.76 0.09 0.14 0.06 0.00 0.00 0.00 0.00 05:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:01 ens3 0.38 0.03 0.05 0.01 0.00 0.00 0.00 0.00 05:50:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:50:09 ens3 0.58 0.23 3.02 0.03 0.00 0.00 0.00 0.00 06:00:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:31 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 06:10:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:31 ens3 0.26 0.03 0.05 0.01 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 0.46 0.08 0.67 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53397) 03/27/26 _x86_64_ (2 CPU) 05:13:55 LINUX RESTART (2 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:22 all 0.34 0.00 0.19 0.01 0.02 99.44 05:30:22 0 0.42 0.00 0.18 0.01 0.02 99.38 05:30:22 1 0.27 0.00 0.21 0.00 0.02 99.50 05:40:01 all 0.26 0.00 0.08 0.03 0.02 99.62 05:40:01 0 0.34 0.00 0.07 0.02 0.02 99.55 05:40:01 1 0.17 0.00 0.08 0.04 0.02 99.69 05:50:09 all 0.40 0.00 0.12 0.03 0.02 99.43 05:50:09 0 0.44 0.00 0.13 0.03 0.02 99.39 05:50:09 1 0.36 0.00 0.12 0.02 0.02 99.47 06:00:31 all 0.26 0.00 0.16 0.01 0.02 99.55 06:00:31 0 0.45 0.00 0.15 0.01 0.02 99.38 06:00:31 1 0.07 0.00 0.17 0.01 0.03 99.73 06:10:31 all 0.25 0.00 0.08 0.01 0.03 99.64 06:10:31 0 0.44 0.00 0.07 0.01 0.02 99.46 06:10:31 1 0.06 0.00 0.09 0.01 0.03 99.81 Average: all 0.30 0.00 0.13 0.02 0.02 99.53 Average: 0 0.42 0.00 0.12 0.01 0.02 99.43 Average: 1 0.19 0.00 0.13 0.02 0.03 99.64