---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22403 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 798 5086 4 2348 7143 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:8c:ff:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82046sec preferred_lft 82046sec inet6 fe80::f816:3eff:fe8c:ff07/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22403) 06/02/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.43 0.01 1.41 0.01 0.05 17.42 647.84 01:10:10 1.27 0.00 1.27 0.00 0.00 15.15 0.00 01:20:11 14.56 0.26 1.75 12.55 32.15 76.16 108984.51 01:30:10 1.54 0.00 1.51 0.03 0.00 18.31 437.31 01:40:11 1.39 0.00 1.37 0.02 0.00 16.44 1.09 01:50:12 24.52 3.03 19.19 2.31 228.47 3623.32 893.48 Average: 7.44 0.55 4.41 2.48 43.38 626.85 18470.17 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6283164 7529956 290960 3.58 30696 1421796 535232 5.83 451776 1183468 168 01:10:10 6290304 7537596 283372 3.48 30864 1422120 535292 5.83 451832 1183964 132 01:20:11 6234456 7508820 311544 3.83 31248 1448448 535312 5.83 461644 1201572 188 01:30:10 6238536 7513456 306836 3.77 31460 1448772 535368 5.83 461500 1202108 156 01:40:11 6245748 7521352 298932 3.68 31676 1449236 535448 5.83 462376 1202660 132 01:50:12 5145572 7377600 390384 4.80 86524 2306124 678368 7.39 629364 2068736 284 Average: 6072963 7498130 313671 3.86 40411 1582749 559170 6.09 486415 1340418 177 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.66 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 0.73 0.09 4.91 0.06 0.00 0.00 0.00 0.00 01:20:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.77 0.26 3.19 0.07 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.46 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 0.74 0.30 0.23 0.62 0.00 0.00 0.00 0.00 01:50:12 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:12 ens3 78.53 53.74 343.29 14.71 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.63 9.07 58.54 2.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22403) 06/02/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.31 0.00 0.17 0.01 0.02 99.48 01:00:08 0 0.10 0.00 0.18 0.01 0.02 99.68 01:00:08 1 0.52 0.00 0.16 0.01 0.02 99.29 01:10:10 all 0.24 0.00 0.07 0.01 0.02 99.65 01:10:10 0 0.21 0.00 0.07 0.01 0.02 99.69 01:10:10 1 0.27 0.00 0.08 0.01 0.02 99.61 01:20:11 all 0.41 0.00 0.12 0.04 0.02 99.41 01:20:11 0 0.37 0.00 0.16 0.06 0.02 99.39 01:20:11 1 0.45 0.00 0.08 0.02 0.02 99.43 01:30:10 all 0.26 0.00 0.16 0.01 0.03 99.54 01:30:10 0 0.10 0.00 0.18 0.01 0.03 99.68 01:30:10 1 0.42 0.00 0.15 0.02 0.03 99.39 01:40:11 all 0.26 0.00 0.07 0.01 0.02 99.63 01:40:11 0 0.39 0.00 0.07 0.01 0.02 99.51 01:40:11 1 0.13 0.00 0.08 0.01 0.02 99.76 01:50:12 all 16.82 0.00 1.79 0.51 0.06 80.82 01:50:12 0 17.11 0.00 1.77 0.69 0.06 80.36 01:50:12 1 16.52 0.00 1.81 0.34 0.05 81.28 Average: all 3.04 0.00 0.40 0.10 0.03 96.43 Average: 0 3.04 0.00 0.40 0.13 0.03 96.40 Average: 1 3.05 0.00 0.39 0.07 0.03 96.47