---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30371 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 793 4726 4 2726 7148 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:8e:dc:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 4933sec preferred_lft 4933sec inet6 fe80::f816:3eff:fe8e:dc60/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30371) 06/26/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.75 0.01 1.72 0.01 0.81 20.68 0.25 00:20:15 1.91 0.10 1.78 0.03 2.98 24.51 466.60 00:30:01 1.82 0.00 1.80 0.02 0.00 20.11 0.51 00:40:01 24.11 2.99 18.84 2.28 225.48 3431.65 891.54 00:50:15 1.69 0.00 1.68 0.01 0.00 22.14 1.06 01:00:01 1.98 0.00 1.90 0.09 0.00 32.34 262.94 01:10:01 1.66 0.00 1.62 0.03 0.00 307.57 3.30 01:20:15 1.69 0.00 1.66 0.03 0.00 301.91 3.46 01:30:15 1.76 0.00 1.73 0.03 0.00 20.76 1.68 Average: 4.26 0.34 3.63 0.28 25.42 464.20 181.37 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6094132 7490100 318308 3.91 54148 1537948 735504 8.01 478956 1309480 376 00:20:15 6137544 7495172 313200 3.85 54280 1499412 733352 7.99 477484 1270860 212 00:30:01 6137868 7496048 312284 3.84 54412 1499832 733352 7.99 477732 1271284 264 00:40:01 4904972 7178876 577348 7.10 105280 2320168 943616 10.28 720620 2097368 640 00:50:15 4830468 7104836 651492 8.01 105372 2320596 1059052 11.54 835316 2097888 144 01:00:01 4799216 7074372 681888 8.38 105596 2321164 1108348 12.07 867496 2098680 240 01:10:01 4793528 7156824 598600 7.36 105712 2408436 1054240 11.48 814580 2186068 284 01:20:15 4559868 7012232 741640 9.12 105856 2496140 1169352 12.74 930044 2273908 348 01:30:15 4572596 7025584 728280 8.96 105996 2496596 1129264 12.30 890032 2274512 300 Average: 5203355 7226005 547004 6.73 88517 2100032 962898 10.49 721362 1875561 312 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.22 0.07 0.08 0.03 0.00 0.00 0.00 0.00 00:20:15 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:15 ens3 0.12 0.05 0.03 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.53 0.13 0.19 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 80.51 61.28 553.47 13.55 0.00 0.00 0.00 0.00 00:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:15 ens3 29.69 25.00 402.39 1.72 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 75.88 72.07 1229.66 4.74 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 29.20 27.51 469.94 1.95 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 32.63 30.71 501.54 2.12 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 8.69 7.91 121.55 0.57 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 28.50 24.86 362.53 2.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30371) 06/26/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.10 0.01 0.03 99.60 00:10:01 0 0.29 0.00 0.11 0.02 0.02 99.55 00:10:01 1 0.23 0.00 0.08 0.01 0.03 99.65 00:20:15 all 0.64 0.00 0.20 0.02 0.03 99.11 00:20:15 0 0.79 0.00 0.18 0.02 0.02 98.99 00:20:15 1 0.49 0.00 0.23 0.01 0.04 99.23 00:30:01 all 0.25 0.00 0.16 0.01 0.03 99.56 00:30:01 0 0.18 0.00 0.16 0.02 0.03 99.62 00:30:01 1 0.32 0.00 0.15 0.00 0.03 99.49 00:40:01 all 11.71 0.00 1.73 0.48 0.05 86.03 00:40:01 0 13.39 0.00 1.98 0.61 0.05 83.97 00:40:01 1 10.02 0.00 1.48 0.36 0.05 88.09 00:50:15 all 0.60 0.00 0.25 0.01 0.06 99.07 00:50:15 0 0.68 0.00 0.27 0.01 0.06 98.98 00:50:15 1 0.52 0.00 0.23 0.01 0.07 99.17 01:00:01 all 1.05 0.01 0.63 0.02 0.06 98.23 01:00:01 0 0.97 0.02 0.67 0.02 0.07 98.26 01:00:01 1 1.13 0.00 0.59 0.02 0.05 98.20 01:10:01 all 0.81 0.00 0.27 0.01 0.07 98.84 01:10:01 0 0.78 0.00 0.25 0.01 0.08 98.88 01:10:01 1 0.84 0.00 0.29 0.02 0.05 98.79 01:20:15 all 0.80 0.00 0.25 0.02 0.05 98.88 01:20:15 0 0.97 0.00 0.35 0.01 0.06 98.61 01:20:15 1 0.63 0.00 0.16 0.02 0.04 99.15 01:30:15 all 0.50 0.00 0.27 0.01 0.05 99.18 01:30:15 0 0.46 0.00 0.36 0.01 0.07 99.10 01:30:15 1 0.53 0.00 0.17 0.01 0.03 99.25 Average: all 1.84 0.00 0.43 0.07 0.05 97.62 Average: 0 2.06 0.00 0.48 0.08 0.05 97.33 Average: 1 1.63 0.00 0.38 0.05 0.04 97.90