---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33859 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 745 4857 4 2635 7196 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:d9:5f:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78158sec preferred_lft 78158sec inet6 fe80::f816:3eff:fed9:5ff4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33859) 07/08/26 _x86_64_ (2 CPU) 00:35:38 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:26 1.38 0.02 1.34 0.01 1.19 16.36 0.92 01:00:01 1.57 0.01 1.54 0.03 0.06 18.51 682.74 01:10:01 1.85 0.25 1.58 0.02 31.02 75.06 0.97 01:20:03 13.96 0.01 1.46 12.50 1.21 16.79 108705.80 01:30:01 1.52 0.00 1.50 0.02 0.00 18.54 0.37 01:40:01 1.33 0.00 1.33 0.00 0.00 15.54 0.00 01:50:03 1.31 0.00 1.31 0.00 0.00 15.42 0.00 02:00:01 23.43 3.04 18.08 2.31 231.15 3496.10 863.87 02:10:01 1.18 0.00 1.18 0.00 0.00 14.57 0.00 02:20:03 1.29 0.00 1.29 0.00 0.00 72.65 0.00 02:30:01 1.84 0.00 1.80 0.04 0.00 407.58 0.54 02:40:01 1.29 0.00 1.28 0.01 0.00 122.32 0.17 02:50:03 1.34 0.00 1.34 0.00 0.00 17.54 0.12 Average: 4.10 0.26 2.69 1.15 20.30 330.38 8508.85 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:26 6286712 7537064 283340 3.48 30652 1425320 532064 5.80 444020 1187436 128 01:00:01 6296636 7547560 272808 3.35 30872 1425652 531320 5.79 444008 1187988 128 01:10:01 6238704 7516788 303132 3.73 31224 1452104 730584 7.96 458520 1206028 120 01:20:03 6246264 7525240 294616 3.62 31408 1452784 531448 5.79 453900 1206552 232 01:30:01 6241616 7521132 298644 3.67 31596 1453116 531448 5.79 453676 1207072 240 01:40:01 6249204 7529340 290436 3.57 31756 1453572 531576 5.79 454064 1207560 164 01:50:03 6248460 7529092 290668 3.57 31924 1453892 531576 5.79 454296 1208048 260 02:00:01 5066616 7278388 488364 6.01 87880 2283932 729368 7.94 685912 2048156 308 02:10:01 4915104 7127392 639360 7.86 87992 2284336 873176 9.51 829936 2048672 264 02:20:03 4925464 7155496 611252 7.52 88148 2301928 896084 9.76 836588 2066416 276 02:30:01 4825384 7173212 591932 7.28 88332 2418132 882412 9.61 822360 2182680 276 02:40:01 4685020 7065868 698716 8.59 88484 2450540 971864 10.59 912888 2215240 328 02:50:03 4649424 7030888 733516 9.02 88648 2450988 1043592 11.37 934220 2215848 244 Average: 5605739 7349035 445906 5.48 57609 1869715 716655 7.81 629568 1629823 228 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:26 ens3 1.03 0.09 0.15 0.06 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 0.45 0.06 0.07 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.16 0.57 3.30 0.07 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.43 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.25 0.04 0.06 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.50 0.23 0.14 0.71 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 0.28 0.09 0.09 0.05 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 95.03 71.84 776.49 13.06 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 32.69 28.86 480.41 1.90 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 78.11 74.09 1233.25 4.85 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 25.76 24.82 411.03 1.66 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 30.40 28.87 466.71 1.95 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 13.01 12.48 202.91 0.86 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 21.46 18.62 274.95 1.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33859) 07/08/26 _x86_64_ (2 CPU) 00:35:38 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:26 all 0.23 0.00 0.07 0.01 0.03 99.66 00:50:26 0 0.39 0.00 0.06 0.01 0.02 99.52 00:50:26 1 0.07 0.00 0.08 0.00 0.04 99.81 01:00:01 all 0.27 0.00 0.16 0.01 0.03 99.52 01:00:01 0 0.45 0.00 0.14 0.01 0.02 99.37 01:00:01 1 0.10 0.00 0.18 0.01 0.04 99.67 01:10:01 all 0.36 0.00 0.10 0.02 0.04 99.48 01:10:01 0 0.47 0.00 0.06 0.03 0.03 99.42 01:10:01 1 0.26 0.00 0.14 0.02 0.04 99.54 01:20:03 all 0.26 0.00 0.08 0.03 0.03 99.59 01:20:03 0 0.45 0.00 0.05 0.01 0.02 99.47 01:20:03 1 0.08 0.00 0.11 0.04 0.04 99.72 01:30:01 all 0.25 0.00 0.17 0.01 0.04 99.53 01:30:01 0 0.08 0.00 0.17 0.01 0.04 99.70 01:30:01 1 0.43 0.00 0.17 0.01 0.04 99.36 01:40:01 all 0.25 0.00 0.07 0.01 0.04 99.64 01:40:01 0 0.07 0.00 0.08 0.01 0.04 99.81 01:40:01 1 0.43 0.00 0.06 0.01 0.03 99.46 01:50:03 all 0.24 0.00 0.06 0.01 0.03 99.66 01:50:03 0 0.04 0.00 0.08 0.01 0.04 99.82 01:50:03 1 0.44 0.00 0.04 0.01 0.02 99.49 02:00:01 all 12.04 0.00 1.94 0.59 0.07 85.36 02:00:01 0 13.68 0.00 2.01 0.74 0.06 83.51 02:00:01 1 10.40 0.00 1.86 0.44 0.09 87.21 02:10:01 all 0.58 0.00 0.25 0.01 0.07 99.09 02:10:01 0 0.59 0.00 0.24 0.01 0.07 99.09 02:10:01 1 0.57 0.00 0.25 0.01 0.07 99.10 02:20:03 all 1.05 0.00 0.56 0.01 0.07 98.32 02:20:03 0 1.04 0.00 0.55 0.01 0.05 98.35 02:20:03 1 1.06 0.00 0.57 0.01 0.08 98.28 02:30:01 all 0.87 0.00 0.36 0.02 0.06 98.69 02:30:01 0 1.05 0.00 0.43 0.01 0.07 98.43 02:30:01 1 0.69 0.00 0.29 0.02 0.05 98.95 02:30:01 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 0.74 0.00 0.26 0.01 0.06 98.93 02:40:01 0 0.94 0.00 0.42 0.02 0.09 98.53 02:40:01 1 0.53 0.00 0.10 0.00 0.04 99.33 02:50:03 all 0.53 0.00 0.21 0.01 0.05 99.20 02:50:03 0 0.40 0.00 0.19 0.01 0.07 99.33 02:50:03 1 0.65 0.00 0.23 0.01 0.04 99.06 Average: all 1.36 0.00 0.33 0.06 0.05 98.21 Average: 0 1.51 0.00 0.34 0.07 0.05 98.03 Average: 1 1.20 0.00 0.31 0.05 0.05 98.39