---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36511 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 8.3G 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 773 4859 4 2604 7168 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:1b:56:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82776sec preferred_lft 82776sec inet6 fe80::f816:3eff:fe1b:5668/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36511) 07/17/26 _x86_64_ (2 CPU) 00:36:02 LINUX RESTART (2 CPU) 00:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 3.61 0.04 3.35 0.22 3.21 668.21 47.61 01:00:01 15.57 0.26 1.80 13.50 31.17 80.45 106500.53 01:10:09 1.54 0.00 1.49 0.04 1.04 242.93 4.25 01:20:09 1.52 0.00 1.49 0.03 0.01 284.83 2.73 01:30:01 1.63 0.00 1.59 0.04 0.00 20.34 1.39 Average: 4.78 0.06 1.94 2.77 7.10 258.92 21372.59 00:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5089768 7276832 490092 6.03 86424 2260736 724192 7.89 670556 2032628 240 01:00:01 4813064 7027284 739028 9.09 86760 2287512 1099436 11.98 843152 2050944 156 01:10:09 4934932 7219488 546088 6.71 86972 2356844 818016 8.91 756952 2120180 184 01:20:09 4731344 7097792 666228 8.19 87180 2437396 976068 10.63 866132 2200936 388 01:30:01 4687136 7054308 709800 8.73 87352 2437920 966504 10.53 906416 2201508 136 Average: 4851249 7135141 630247 7.75 86938 2356082 916843 9.99 808642 2121239 221 00:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 52.98 44.25 518.86 6.38 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 84.47 79.73 1347.77 5.24 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 26.42 25.42 416.36 1.81 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 33.41 31.55 527.80 2.13 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 5.45 5.10 77.34 0.39 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 40.58 37.25 578.74 3.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36511) 07/17/26 _x86_64_ (2 CPU) 00:36:02 LINUX RESTART (2 CPU) 00:40:09 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 1.63 0.00 0.45 0.04 0.05 97.83 00:50:01 0 1.85 0.00 0.33 0.03 0.04 97.76 00:50:01 1 1.41 0.00 0.56 0.06 0.07 97.89 01:00:01 all 1.17 0.00 0.69 0.04 0.06 98.04 01:00:01 0 1.56 0.00 0.84 0.06 0.07 97.47 01:00:01 1 0.78 0.00 0.54 0.02 0.06 98.60 01:10:09 all 0.72 0.00 0.26 0.01 0.07 98.94 01:10:09 0 0.85 0.00 0.38 0.01 0.09 98.66 01:10:09 1 0.59 0.00 0.13 0.01 0.05 99.22 01:20:09 all 0.80 0.00 0.25 0.01 0.07 98.87 01:20:09 0 0.98 0.00 0.35 0.01 0.08 98.58 01:20:09 1 0.62 0.00 0.16 0.01 0.06 99.16 01:30:01 all 0.45 0.00 0.26 0.01 0.07 99.22 01:30:01 0 0.49 0.00 0.27 0.01 0.06 99.16 01:30:01 1 0.42 0.00 0.24 0.00 0.07 99.27 Average: all 0.95 0.00 0.38 0.02 0.06 98.58 Average: 0 1.15 0.00 0.43 0.03 0.07 98.33 Average: 1 0.76 0.00 0.32 0.02 0.06 98.83