---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10764 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 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 796 5127 4 2306 7145 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:b7:b3:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83467sec preferred_lft 83467sec inet6 fe80::f816:3eff:feb7:b37f/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-10764) 05/04/26 _x86_64_ (2 CPU) 04:37:19 LINUX RESTART (2 CPU) 04:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:04 23.43 1.28 7.60 14.56 111.03 1162.71 107547.20 05:00:01 1.54 0.01 1.51 0.03 0.05 113.28 1.29 05:10:04 1.23 0.00 1.22 0.00 0.20 65.79 0.19 05:20:06 1.83 0.25 1.55 0.03 30.88 86.72 1.41 Average: 7.00 0.39 2.97 3.65 35.53 356.79 26859.88 04:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:04 5287368 7388884 382896 4.71 83816 2182120 712872 7.76 612236 1951488 900 05:00:01 5216052 7345764 425632 5.23 83972 2210076 743924 8.10 643560 1979600 436 05:10:04 5199932 7345572 425676 5.23 84132 2225584 720148 7.84 643280 1995320 212 05:20:06 5136680 7312716 457988 5.63 84504 2255232 914500 9.96 657720 2016572 300 Average: 5210008 7348234 423048 5.20 84106 2218253 772861 8.42 639199 1985745 462 04:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:04 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 04:50:04 ens3 96.81 76.23 56.48 13.23 0.00 0.00 0.00 0.00 05:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:01 ens3 14.82 14.68 15.66 1.26 0.00 0.00 0.00 0.00 05:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:04 ens3 13.50 13.33 7.76 1.14 0.00 0.00 0.00 0.00 05:20:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:20:06 ens3 25.88 25.29 9.06 1.78 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 37.74 32.37 22.22 4.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10764) 05/04/26 _x86_64_ (2 CPU) 04:37:19 LINUX RESTART (2 CPU) 04:40:04 CPU %user %nice %system %iowait %steal %idle 04:50:04 all 7.48 0.00 1.26 0.81 0.07 90.38 04:50:04 0 7.42 0.00 1.36 0.45 0.07 90.70 04:50:04 1 7.53 0.00 1.17 1.17 0.06 90.06 05:00:01 all 4.01 0.00 0.61 0.01 0.08 95.28 05:00:01 0 2.17 0.00 0.49 0.00 0.07 97.27 05:00:01 1 5.86 0.00 0.74 0.02 0.10 93.28 05:10:04 all 3.41 0.00 0.43 0.01 0.09 96.06 05:10:04 0 5.10 0.00 0.60 0.01 0.10 94.19 05:10:04 1 1.73 0.00 0.26 0.01 0.07 97.93 05:20:06 all 1.57 0.00 0.35 0.03 0.09 97.97 05:20:06 0 1.38 0.00 0.26 0.01 0.10 98.25 05:20:06 1 1.75 0.00 0.43 0.04 0.08 97.70 Average: all 4.11 0.00 0.66 0.21 0.08 94.93 Average: 0 4.02 0.00 0.68 0.12 0.08 95.10 Average: 1 4.21 0.00 0.65 0.31 0.08 94.75