---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6583 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 803 5129 4 2297 7137 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:00:12:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83457sec preferred_lft 83457sec inet6 fe80::f816:3eff:fe00:12e4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6583) 03/21/26 _x86_64_ (2 CPU) 03:02:52 LINUX RESTART (2 CPU) 03:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:14 14.92 0.02 1.47 13.43 0.69 116.03 106869.73 03:30:12 1.51 0.00 1.49 0.02 0.00 105.57 0.23 03:40:14 2.03 0.32 1.68 0.02 40.10 88.47 0.25 03:50:07 1.27 0.00 1.27 0.00 0.72 25.23 0.00 Average: 4.94 0.09 1.48 3.38 10.45 83.98 26797.61 03:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:14 5249904 7350716 421696 5.19 83664 2181940 737492 8.03 651448 1950932 228 03:30:12 5208032 7336304 435456 5.35 83800 2208992 768660 8.37 658136 1978088 624 03:40:14 5147976 7309076 462384 5.69 84060 2241108 719684 7.84 669636 1999128 124 03:50:07 5473396 7451760 328492 4.04 84204 2066068 585076 6.37 570420 1824020 2128 Average: 5269827 7361964 412007 5.07 83932 2174527 702728 7.65 637410 1938042 776 03:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 33.08 31.87 16.17 2.55 0.00 0.00 0.00 0.00 03:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:12 ens3 19.76 19.99 13.43 1.63 0.00 0.00 0.00 0.00 03:40:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:14 ens3 18.02 17.57 6.98 1.38 0.00 0.00 0.00 0.00 03:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:07 ens3 32.55 30.81 6.70 2.56 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 25.83 25.04 10.83 2.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6583) 03/21/26 _x86_64_ (2 CPU) 03:02:52 LINUX RESTART (2 CPU) 03:10:14 CPU %user %nice %system %iowait %steal %idle 03:20:14 all 4.59 0.00 0.66 0.03 0.07 94.65 03:20:14 0 6.76 0.00 0.83 0.01 0.07 92.33 03:20:14 1 2.41 0.00 0.50 0.05 0.07 96.97 03:30:12 all 4.13 0.00 0.61 0.01 0.08 95.17 03:30:12 0 2.67 0.00 0.56 0.02 0.07 96.68 03:30:12 1 5.59 0.00 0.66 0.01 0.09 93.65 03:40:14 all 2.28 0.00 0.41 0.03 0.06 97.22 03:40:14 0 1.12 0.00 0.26 0.04 0.05 98.53 03:40:14 1 3.44 0.00 0.56 0.03 0.07 95.91 03:50:07 all 2.27 0.00 0.37 0.01 0.06 97.30 03:50:07 0 1.71 0.00 0.36 0.01 0.05 97.88 03:50:07 1 2.83 0.00 0.37 0.01 0.07 96.71 Average: all 3.32 0.00 0.51 0.02 0.07 96.08 Average: 0 3.07 0.00 0.50 0.02 0.06 96.35 Average: 1 3.57 0.00 0.52 0.02 0.08 95.81