---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31454 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: 5599.86 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 749 5126 4 2358 7192 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:f0:35:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79162sec preferred_lft 79162sec inet6 fe80::f816:3eff:fef0:3511/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31454) 06/29/26 _x86_64_ (2 CPU) 00:47:38 LINUX RESTART (2 CPU) 00:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.60 0.03 1.55 0.02 2.39 19.54 680.80 01:10:01 1.17 0.01 1.16 0.00 0.05 14.37 0.12 01:20:07 1.15 0.00 1.15 0.00 0.01 14.19 0.12 01:30:01 1.38 0.00 1.36 0.02 0.00 17.40 660.00 01:40:01 1.28 0.00 1.28 0.00 0.00 15.33 0.00 01:50:07 1.34 0.00 1.34 0.00 0.00 16.10 0.00 02:00:01 1.69 0.00 1.65 0.04 0.00 21.47 880.54 02:10:01 1.55 0.00 1.52 0.02 0.00 18.92 219.32 02:20:17 25.40 2.90 20.25 2.25 218.98 3910.67 2864.20 02:30:01 2.80 0.02 2.51 0.26 1.99 194.58 93.26 02:40:01 1.34 0.00 1.32 0.02 0.00 83.00 1.32 Average: 3.76 0.28 3.24 0.25 20.92 403.90 495.74 00:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6254736 7528408 291804 3.59 30760 1448244 527320 5.74 454740 1200708 188 01:10:01 6254736 7528940 291304 3.58 30932 1448572 530284 5.78 456168 1201236 184 01:20:07 6261652 7536348 283884 3.49 31092 1448900 530432 5.78 456556 1201720 208 01:30:01 6254868 7530076 290144 3.57 31264 1449224 531156 5.79 457272 1202220 156 01:40:01 6254868 7530584 289628 3.56 31432 1449560 531148 5.79 457164 1202724 276 01:50:07 6254868 7531220 288984 3.55 31604 1450016 531156 5.79 457496 1203224 180 02:00:01 6256676 7533608 286504 3.52 31840 1450344 586232 6.39 462648 1203784 240 02:10:01 6250628 7528144 291980 3.59 32084 1450676 586228 6.39 462796 1204360 240 02:20:17 5170388 7379768 386796 4.76 86732 2282228 644384 7.02 618100 2045280 24608 02:30:01 5195460 7407748 359380 4.42 87408 2284984 662844 7.22 595832 2048576 460 02:40:01 5175196 7407548 359568 4.42 87592 2304856 657664 7.16 598968 2068504 516 Average: 5962189 7494763 310907 3.82 46613 1678873 574441 6.26 497976 1434758 2478 00:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 2.11 0.16 0.39 0.04 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 1.05 0.15 0.20 0.09 0.00 0.00 0.00 0.00 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 0.81 0.10 3.22 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 0.57 0.23 0.10 0.63 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 0.39 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 0.32 0.09 0.09 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.23 0.06 0.07 0.03 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 0.23 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:20:17 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 02:20:17 ens3 48.64 29.23 304.07 7.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 59.17 48.16 12.50 8.22 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 40.68 39.15 9.06 5.53 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.04 10.67 30.83 1.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31454) 06/29/26 _x86_64_ (2 CPU) 00:47:38 LINUX RESTART (2 CPU) 00:50:25 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.18 0.01 0.04 99.46 01:00:01 0 0.36 0.00 0.17 0.02 0.04 99.41 01:00:01 1 0.24 0.00 0.20 0.01 0.04 99.51 01:10:01 all 0.28 0.00 0.09 0.01 0.03 99.60 01:10:01 0 0.42 0.00 0.06 0.01 0.02 99.49 01:10:01 1 0.13 0.00 0.11 0.02 0.04 99.71 01:20:07 all 0.27 0.00 0.08 0.01 0.03 99.61 01:20:07 0 0.48 0.00 0.05 0.01 0.02 99.44 01:20:07 1 0.06 0.00 0.11 0.01 0.04 99.78 01:30:01 all 0.29 0.00 0.17 0.01 0.04 99.50 01:30:01 0 0.33 0.00 0.16 0.00 0.03 99.47 01:30:01 1 0.24 0.00 0.17 0.01 0.04 99.53 01:40:01 all 0.23 0.00 0.08 0.01 0.03 99.66 01:40:01 0 0.41 0.00 0.05 0.00 0.02 99.52 01:40:01 1 0.05 0.00 0.10 0.01 0.04 99.79 01:50:07 all 0.23 0.00 0.07 0.01 0.05 99.65 01:50:07 0 0.25 0.00 0.06 0.01 0.04 99.64 01:50:07 1 0.21 0.00 0.08 0.01 0.05 99.66 02:00:01 all 0.27 0.00 0.17 0.01 0.03 99.51 02:00:01 0 0.26 0.00 0.17 0.01 0.03 99.52 02:00:01 1 0.29 0.00 0.18 0.00 0.03 99.51 02:10:01 all 0.24 0.00 0.08 0.01 0.03 99.64 02:10:01 0 0.42 0.00 0.05 0.01 0.02 99.50 02:10:01 1 0.07 0.00 0.11 0.00 0.04 99.78 02:20:17 all 10.87 0.00 1.64 0.50 0.05 86.94 02:20:17 0 12.44 0.00 1.52 0.64 0.04 85.35 02:20:17 1 9.30 0.00 1.76 0.35 0.06 88.52 02:30:01 all 6.65 0.00 0.71 0.03 0.07 92.55 02:30:01 0 7.98 0.00 0.71 0.01 0.07 91.23 02:30:01 1 5.33 0.00 0.71 0.04 0.08 93.85 02:40:01 all 6.94 0.00 0.46 0.01 0.09 92.50 02:40:01 0 7.32 0.00 0.47 0.00 0.09 92.12 02:40:01 1 6.56 0.00 0.44 0.01 0.10 92.89 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.43 0.00 0.34 0.06 0.04 97.13 Average: 0 2.80 0.00 0.32 0.07 0.04 96.78 Average: 1 2.06 0.00 0.36 0.04 0.05 97.49