---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33605 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 773 5034 4 2434 7168 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:6d:0d:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 11912sec preferred_lft 11912sec inet6 fe80::f816:3eff:fe6d:ddc/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-33605) 07/08/26 _x86_64_ (2 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:03 1.74 0.01 1.71 0.01 0.81 20.28 0.16 00:20:01 1.88 0.11 1.74 0.03 3.06 23.60 648.31 00:30:03 4.40 1.34 2.98 0.08 97.54 247.93 4.22 00:40:03 22.00 1.65 18.12 2.23 130.12 3251.63 843.57 00:50:01 1.53 0.00 1.51 0.02 0.00 21.84 1.14 01:00:03 1.88 0.00 1.85 0.03 0.00 24.16 1.46 01:10:03 1.63 0.00 1.61 0.02 0.00 141.12 397.47 01:20:01 1.63 0.00 1.62 0.01 0.00 30.71 0.55 Average: 4.59 0.39 3.89 0.30 28.99 470.42 236.98 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:03 6110100 7500936 308044 3.79 52720 1534120 608992 6.63 485460 1304648 252 00:20:01 6133924 7489980 318940 3.92 52872 1499132 607344 6.62 484232 1269464 224 00:30:03 5861484 7365352 435776 5.36 64112 1629116 726032 7.91 624784 1397856 62332 00:40:03 5078544 7361704 394976 4.86 104196 2330392 706272 7.69 614160 2106604 212 00:50:01 5052112 7337332 419356 5.16 104284 2332380 714924 7.79 615244 2108664 424 01:00:03 5047816 7334180 422516 5.20 104388 2333388 733504 7.99 633384 2109792 216 01:10:03 5012620 7336172 420436 5.17 104552 2370308 723072 7.88 622384 2146876 292 01:20:01 4967416 7295776 460768 5.67 104668 2374940 757204 8.25 657204 2151496 788 Average: 5408002 7377679 397602 4.89 86474 2050472 697168 7.59 592106 1824425 8092 00:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:03 ens3 0.20 0.06 0.08 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.11 0.05 0.03 0.02 0.00 0.00 0.00 0.00 00:30:03 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:30:03 ens3 23.65 12.69 86.40 5.12 0.00 0.00 0.00 0.00 00:40:03 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 00:40:03 ens3 60.30 44.50 347.26 8.72 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 16.49 15.41 168.73 1.35 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 3.12 2.65 5.06 0.48 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 18.47 16.66 185.58 1.74 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 23.89 22.85 225.91 2.38 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 18.28 14.35 127.29 2.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33605) 07/08/26 _x86_64_ (2 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:03 all 0.23 0.00 0.11 0.05 0.02 99.60 00:10:03 0 0.16 0.00 0.13 0.01 0.02 99.68 00:10:03 1 0.31 0.00 0.09 0.08 0.01 99.51 00:20:01 all 0.63 0.00 0.21 0.02 0.03 99.11 00:20:01 0 0.56 0.00 0.24 0.03 0.04 99.13 00:20:01 1 0.69 0.00 0.18 0.02 0.02 99.10 00:30:03 all 1.67 0.00 0.38 0.07 0.04 97.84 00:30:03 0 0.98 0.00 0.38 0.07 0.04 98.52 00:30:03 1 2.37 0.00 0.38 0.07 0.03 97.16 00:40:03 all 10.75 0.00 1.58 0.42 0.07 87.18 00:40:03 0 10.20 0.00 1.48 0.32 0.08 87.91 00:40:03 1 11.29 0.00 1.68 0.52 0.06 86.46 00:50:01 all 0.92 0.00 0.22 0.01 0.06 98.79 00:50:01 0 1.14 0.00 0.28 0.01 0.07 98.50 00:50:01 1 0.69 0.00 0.16 0.02 0.05 99.09 01:00:03 all 11.75 0.00 0.70 0.01 0.07 87.47 01:00:03 0 9.62 0.00 0.65 0.01 0.08 89.63 01:00:03 1 13.84 0.00 0.74 0.01 0.06 85.34 01:10:03 all 2.35 0.00 0.28 0.01 0.07 97.28 01:10:03 0 2.11 0.00 0.19 0.02 0.06 97.63 01:10:03 1 2.60 0.00 0.38 0.01 0.09 96.92 01:20:01 all 1.81 0.00 0.35 0.01 0.08 97.75 01:20:01 0 1.18 0.00 0.31 0.00 0.07 98.45 01:20:01 1 2.44 0.00 0.39 0.02 0.09 97.06 Average: all 3.80 0.00 0.48 0.07 0.05 95.59 Average: 0 3.27 0.00 0.46 0.06 0.06 96.16 Average: 1 4.33 0.00 0.50 0.09 0.05 95.03