---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3703 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: 5600.00 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 748 5299 4 2182 7193 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:ea:0a:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81592sec preferred_lft 81592sec inet6 fe80::f816:3eff:feea:ad6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3703) 04/17/26 _x86_64_ (2 CPU) 00:42:37 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 1.62 0.01 1.58 0.03 1.09 19.21 1.50 01:10:00 1.36 0.00 1.34 0.02 0.00 15.47 1.34 01:20:01 1.23 0.00 1.22 0.00 0.01 14.37 0.36 01:30:10 1.44 0.00 1.42 0.01 0.00 18.05 0.37 01:40:00 1.66 0.42 1.24 0.00 16.28 46.90 0.00 01:50:01 21.82 2.62 16.99 2.22 212.09 3113.40 791.09 02:00:10 1.62 0.01 1.58 0.02 0.59 25.92 0.43 Average: 4.39 0.44 3.62 0.33 32.79 464.19 113.45 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 6254608 7530504 289428 3.56 30884 1450316 520364 5.67 455132 1200316 184 01:10:00 6261916 7538348 281580 3.46 31088 1450640 520432 5.67 455648 1200848 132 01:20:01 6269028 7545980 273932 3.37 31272 1450968 520552 5.67 456780 1201360 168 01:30:10 6267348 7544816 275080 3.38 31448 1451288 547920 5.97 459628 1201856 128 01:40:00 6211832 7504688 314948 3.87 31744 1466168 586252 6.39 513488 1215400 252 01:50:01 5267068 7378840 392664 4.83 85128 2190764 657368 7.16 613164 1949328 196 02:00:10 5250180 7364164 407364 5.01 85300 2192804 666088 7.26 613152 1951416 180 Average: 5968854 7486763 319285 3.93 46695 1664707 574139 6.25 509570 1417218 177 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.72 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.51 0.09 0.12 0.06 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 0.49 0.11 0.17 0.10 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 0.38 0.20 0.08 0.58 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 10.35 5.85 24.28 2.46 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 57.87 39.65 287.76 9.23 0.00 0.00 0.00 0.00 02:00:10 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 13.62 11.86 105.74 1.08 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 11.98 8.26 59.83 1.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3703) 04/17/26 _x86_64_ (2 CPU) 00:42:37 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 0.28 0.00 0.17 0.01 0.04 99.50 01:00:10 0 0.31 0.00 0.16 0.02 0.03 99.48 01:00:10 1 0.25 0.00 0.19 0.00 0.04 99.52 01:10:00 all 0.27 0.00 0.07 0.01 0.04 99.61 01:10:00 0 0.19 0.00 0.07 0.01 0.04 99.69 01:10:00 1 0.36 0.00 0.06 0.01 0.03 99.53 01:20:01 all 0.26 0.00 0.08 0.01 0.04 99.62 01:20:01 0 0.38 0.00 0.06 0.01 0.03 99.52 01:20:01 1 0.13 0.00 0.10 0.01 0.04 99.72 01:30:10 all 0.27 0.00 0.16 0.01 0.04 99.52 01:30:10 0 0.25 0.00 0.18 0.02 0.04 99.52 01:30:10 1 0.30 0.00 0.14 0.00 0.04 99.52 01:40:00 all 0.54 0.00 0.10 0.01 0.04 99.30 01:40:00 0 0.24 0.00 0.14 0.02 0.05 99.55 01:40:00 1 0.85 0.00 0.07 0.01 0.03 99.05 01:50:01 all 10.84 0.00 1.64 0.49 0.08 86.95 01:50:01 0 9.60 0.00 1.62 0.72 0.07 88.00 01:50:01 1 12.09 0.00 1.67 0.26 0.09 85.89 02:00:10 all 0.90 0.00 0.28 0.01 0.08 98.74 02:00:10 0 0.82 0.00 0.28 0.01 0.08 98.82 02:00:10 1 0.98 0.00 0.28 0.01 0.07 98.65 Average: all 1.91 0.00 0.36 0.08 0.05 97.61 Average: 0 1.68 0.00 0.36 0.12 0.05 97.80 Average: 1 2.13 0.00 0.36 0.04 0.05 97.42