---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-52915 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 780 5078 4 2379 7161 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:90:37:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83540sec preferred_lft 83540sec inet6 fe80::f816:3eff:fe90:379e/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-52915) 03/26/26 _x86_64_ (2 CPU) 00:43:16 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 10.90 1.25 8.34 1.31 109.06 1180.40 607.84 01:10:01 1.24 0.00 1.22 0.02 0.00 22.70 1.22 01:20:04 1.91 0.32 1.57 0.02 39.87 74.57 0.69 01:30:05 3.85 0.04 3.19 0.61 1.42 138.92 119.22 Average: 4.47 0.40 3.58 0.49 37.62 354.02 182.16 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 5321616 7405408 366540 4.51 84300 2164316 620004 6.75 590952 1932828 268 01:10:01 5315204 7401724 370268 4.55 84472 2166880 623272 6.79 594924 1935564 280 01:20:04 5264616 7380288 391436 4.81 84768 2195632 623476 6.79 606652 1953228 264 01:30:05 5192388 7319200 452300 5.56 86604 2204772 676648 7.37 671632 1963948 25340 Average: 5273456 7376655 395136 4.86 85036 2182900 635850 6.93 616040 1946392 6538 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 01:00:05 ens3 6.44 5.13 35.33 1.50 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.40 0.15 0.07 0.04 0.00 0.00 0.00 0.00 01:20:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 1.15 0.58 3.22 0.17 0.00 0.00 0.00 0.00 01:30:05 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 5.59 4.16 8.18 5.55 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.40 2.50 11.70 1.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-52915) 03/26/26 _x86_64_ (2 CPU) 00:43:16 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 6.34 0.00 0.98 1.59 0.06 91.03 01:00:05 0 4.41 0.00 0.86 1.38 0.06 93.30 01:00:05 1 8.27 0.00 1.10 1.80 0.06 88.77 01:10:01 all 1.11 0.00 0.12 0.03 0.06 98.68 01:10:01 0 1.29 0.00 0.13 0.05 0.07 98.46 01:10:01 1 0.92 0.00 0.11 0.02 0.05 98.91 01:20:04 all 0.98 0.00 0.15 0.11 0.06 98.69 01:20:04 0 1.01 0.00 0.15 0.09 0.05 98.69 01:20:04 1 0.96 0.00 0.15 0.13 0.06 98.70 01:30:05 all 2.85 0.00 0.39 0.24 0.06 96.46 01:30:05 0 2.26 0.00 0.33 0.07 0.05 97.30 01:30:05 1 3.44 0.00 0.45 0.42 0.07 95.62 Average: all 2.82 0.00 0.41 0.50 0.06 96.22 Average: 0 2.24 0.00 0.37 0.40 0.06 96.94 Average: 1 3.40 0.00 0.45 0.59 0.06 95.50