---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10972 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: 5599.94 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 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 803 5152 4 2275 7138 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:52:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83704sec preferred_lft 83704sec inet6 fe80::f816:3eff:fe5f:52c7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10972) 05/05/26 _x86_64_ (2 CPU) 01:47:32 LINUX RESTART (2 CPU) 01:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:19 9.97 1.28 7.71 0.99 111.10 1136.28 280.74 02:10:20 14.76 0.01 1.30 13.44 0.20 39.36 106722.67 02:20:20 1.78 0.25 1.50 0.03 30.97 100.14 1.27 02:30:20 1.60 0.01 1.55 0.04 1.40 58.81 1.52 Average: 7.03 0.39 3.01 3.63 35.92 333.61 26757.65 01:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:19 5283988 7390644 381480 4.69 83952 2187112 702612 7.65 607132 1956372 856 02:10:20 5275424 7388696 383192 4.71 84124 2193564 690428 7.52 611296 1962956 148 02:20:20 5190784 7338804 432628 5.32 84464 2227640 893180 9.73 625800 1988620 528 02:30:20 5205012 7365828 405192 4.98 84656 2240172 775824 8.45 623692 2000892 496 Average: 5238802 7370993 400623 4.93 84299 2212122 765511 8.34 616980 1977210 507 01:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:19 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 02:00:19 ens3 94.93 74.50 59.08 13.77 0.00 0.00 0.00 0.00 02:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:20 ens3 13.39 11.81 2.83 1.72 0.00 0.00 0.00 0.00 02:20:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:20 ens3 14.33 13.81 5.57 1.28 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 25.41 20.70 12.99 2.78 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 37.01 30.20 20.12 4.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10972) 05/05/26 _x86_64_ (2 CPU) 01:47:32 LINUX RESTART (2 CPU) 01:50:20 CPU %user %nice %system %iowait %steal %idle 02:00:19 all 9.83 0.00 1.55 0.15 0.06 88.41 02:00:19 0 9.64 0.00 1.50 0.16 0.06 88.64 02:00:19 1 10.02 0.00 1.59 0.14 0.06 88.19 02:10:20 all 4.48 0.00 0.50 0.07 0.10 94.84 02:10:20 0 2.81 0.00 0.33 0.03 0.08 96.75 02:10:20 1 6.16 0.00 0.68 0.11 0.11 92.93 02:20:20 all 2.62 0.00 0.43 0.04 0.04 96.86 02:20:20 0 2.73 0.00 0.40 0.06 0.04 96.77 02:20:20 1 2.52 0.00 0.46 0.03 0.04 96.95 02:30:20 all 4.99 0.00 0.64 0.01 0.05 94.31 02:30:20 0 5.49 0.00 0.70 0.01 0.05 93.75 02:30:20 1 4.49 0.00 0.57 0.01 0.05 94.87 Average: all 5.48 0.00 0.78 0.07 0.06 93.61 Average: 0 5.17 0.00 0.73 0.07 0.06 93.98 Average: 1 5.79 0.00 0.82 0.07 0.07 93.24