---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1402 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 7.9G 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 761 5136 4 2341 7180 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:22:62:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5018sec preferred_lft 5018sec inet6 fe80::f816:3eff:fe22:629a/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-1402) 04/10/26 _x86_64_ (2 CPU) 00:00:35 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.83 0.02 1.79 0.02 0.86 22.19 0.44 00:20:35 1.97 0.10 1.83 0.03 2.89 25.18 821.63 00:30:11 1.89 0.00 1.87 0.02 0.00 20.99 0.42 00:40:01 25.53 3.07 20.19 2.27 230.35 3166.57 942.88 00:50:21 1.55 0.00 1.53 0.02 0.00 23.26 1.07 01:00:33 1.91 0.00 1.86 0.04 0.00 27.10 1.87 01:10:01 1.49 0.00 1.46 0.03 0.00 138.87 420.87 01:20:33 1.87 0.00 1.84 0.03 0.00 38.02 3.94 01:30:21 2.07 0.00 2.02 0.05 0.00 29.19 3.10 Average: 4.42 0.35 3.79 0.27 25.67 382.53 245.62 00:00:35 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6097752 7496736 311804 3.83 54448 1540664 587072 6.39 482752 1309172 440 00:20:35 6134536 7495220 313252 3.85 54612 1502136 529792 5.77 476200 1270596 124 00:30:11 6133528 7494812 313660 3.86 54760 1502592 529792 5.77 476212 1271072 272 00:40:01 5214036 7402596 358344 4.41 103752 2240248 627520 6.83 598428 2012604 792 00:50:21 5126916 7317524 443564 5.45 103852 2242324 670820 7.31 633180 2014776 584 01:00:33 5150340 7342640 418448 5.15 104000 2243864 657812 7.16 620684 2016468 180 01:10:01 5118944 7346164 414900 5.10 104108 2278640 659340 7.18 621332 2051352 296 01:20:33 5097240 7330468 430200 5.29 104288 2284412 718780 7.83 630348 2057284 416 01:30:21 5076660 7311884 448992 5.52 104404 2286248 680556 7.41 642080 2059128 120 Average: 5461106 7393116 383685 4.72 87580 2013459 629054 6.85 575691 1784717 358 00:00:35 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 0.29 0.10 0.11 0.06 0.00 0.00 0.00 0.00 00:20:35 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:20:35 ens3 0.23 0.08 0.08 0.04 0.00 0.00 0.00 0.00 00:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:11 ens3 0.50 0.11 0.17 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 66.39 45.53 304.60 13.29 0.00 0.00 0.00 0.00 00:50:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:21 ens3 19.36 16.37 243.47 1.45 0.00 0.00 0.00 0.00 01:00:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:33 ens3 5.76 5.25 32.56 0.68 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 12.46 11.46 165.39 1.17 0.00 0.00 0.00 0.00 01:20:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:33 ens3 15.74 15.02 135.05 1.84 0.00 0.00 0.00 0.00 01:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:21 ens3 11.55 11.23 142.68 1.04 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 14.69 11.70 113.99 2.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1402) 04/10/26 _x86_64_ (2 CPU) 00:00:35 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.27 0.00 0.11 0.01 0.04 99.56 00:10:01 0 0.06 0.00 0.12 0.02 0.05 99.74 00:10:01 1 0.47 0.00 0.10 0.01 0.04 99.38 00:20:35 all 0.65 0.00 0.21 0.03 0.04 99.07 00:20:35 0 0.74 0.00 0.22 0.06 0.04 98.94 00:20:35 1 0.55 0.00 0.20 0.01 0.04 99.20 00:30:11 all 0.22 0.00 0.18 0.01 0.04 99.55 00:30:11 0 0.17 0.00 0.18 0.01 0.03 99.61 00:30:11 1 0.28 0.00 0.18 0.01 0.04 99.49 00:40:01 all 11.24 0.00 1.74 0.59 0.06 86.37 00:40:01 0 7.25 0.00 1.45 0.56 0.06 90.68 00:40:01 1 15.24 0.00 2.02 0.63 0.07 82.05 00:50:21 all 1.00 0.00 0.26 0.01 0.08 98.65 00:50:21 0 1.19 0.00 0.23 0.02 0.07 98.49 00:50:21 1 0.82 0.00 0.30 0.00 0.09 98.80 01:00:33 all 3.11 0.00 0.50 0.02 0.09 96.28 01:00:33 0 3.63 0.00 0.52 0.01 0.11 95.73 01:00:33 1 2.60 0.00 0.48 0.03 0.08 96.82 01:10:01 all 3.51 0.00 0.46 0.03 0.10 95.91 01:10:01 0 4.06 0.00 0.53 0.01 0.12 95.28 01:10:01 1 2.97 0.00 0.38 0.06 0.07 96.52 01:20:33 all 1.99 0.00 0.32 0.01 0.09 97.59 01:20:33 0 1.90 0.00 0.35 0.01 0.10 97.63 01:20:33 1 2.08 0.00 0.29 0.01 0.07 97.55 01:30:21 all 0.91 0.00 0.32 0.01 0.08 98.68 01:30:21 0 0.92 0.00 0.36 0.01 0.08 98.63 01:30:21 1 0.89 0.00 0.28 0.01 0.09 98.74 Average: all 2.53 0.00 0.45 0.08 0.07 96.87 Average: 0 2.19 0.00 0.44 0.08 0.07 97.22 Average: 1 2.86 0.00 0.47 0.08 0.06 96.53