---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20203 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 778 5094 4 2360 7163 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:40:2a:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78692sec preferred_lft 78692sec inet6 fe80::f816:3eff:fe40:2a30/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20203) 05/26/26 _x86_64_ (2 CPU) 01:59:06 LINUX RESTART (2 CPU) 02:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.88 0.28 1.59 0.01 32.06 27.70 0.44 02:20:01 1.59 0.01 1.57 0.01 0.49 74.02 0.79 02:30:04 1.56 0.00 1.52 0.03 0.00 18.90 867.58 02:40:01 1.30 0.00 1.29 0.02 0.00 15.66 1.21 02:50:01 1.35 0.00 1.33 0.02 0.00 15.80 1.20 03:00:04 2.01 0.40 1.59 0.03 15.75 50.29 651.21 03:10:06 26.96 2.60 21.97 2.38 211.39 3885.79 3520.90 03:20:00 1.38 0.00 1.38 0.00 0.00 21.98 0.05 03:30:06 15.08 0.00 1.62 13.46 0.15 24.29 105438.63 03:40:07 1.41 0.00 1.39 0.02 0.00 138.12 398.36 03:50:01 1.29 0.01 1.26 0.03 0.20 65.61 0.31 04:00:04 1.66 0.00 1.62 0.04 0.00 26.52 1.13 Average: 4.81 0.28 3.19 1.35 21.74 365.20 9333.69 02:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6271872 7527676 292700 3.60 30704 1430852 620356 6.76 467920 1183844 568 02:20:01 6252056 7525412 294688 3.62 30992 1447712 724832 7.89 465748 1200892 240 02:30:04 6249856 7523808 296244 3.64 31240 1448040 724856 7.90 465936 1201460 220 02:40:01 6257192 7531684 288404 3.55 31444 1448364 725000 7.90 466216 1201996 132 02:50:01 6271912 7547064 273020 3.36 31636 1448824 725064 7.90 466452 1202520 248 03:00:04 6228816 7519224 300484 3.69 31980 1463520 741848 8.08 492088 1216044 296 03:10:06 5195120 7387892 379732 4.67 86652 2266828 832052 9.06 599060 2029984 224 03:20:00 5165208 7360052 407576 5.01 86784 2268788 840808 9.16 599056 2032060 168 03:30:06 5176892 7373232 394196 4.85 86940 2270108 859448 9.36 617988 2033520 172 03:40:07 5144944 7378008 389324 4.79 87096 2306580 847452 9.23 605920 2070020 148 03:50:01 5122416 7370796 396340 4.87 87252 2321536 871524 9.49 630112 2085128 260 04:00:04 5052692 7303288 463828 5.70 87416 2323548 901208 9.82 658592 2087308 224 Average: 5699081 7445678 348045 4.28 59178 1870392 784537 8.55 544591 1628731 242 02:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.34 0.06 0.16 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.71 0.25 3.17 0.03 0.00 0.00 0.00 0.00 02:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.35 0.03 0.60 0.01 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 0.50 0.08 0.47 0.04 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.25 0.08 0.07 0.04 0.00 0.00 0.00 0.00 03:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 7.48 4.69 19.92 2.98 0.00 0.00 0.00 0.00 03:10:06 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:10:06 ens3 62.10 46.75 405.33 9.59 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 14.61 13.45 141.53 1.17 0.00 0.00 0.00 0.00 03:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:06 ens3 5.88 5.45 32.85 0.69 0.00 0.00 0.00 0.00 03:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:07 ens3 15.84 14.60 157.18 1.60 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 7.30 6.95 38.05 1.16 0.00 0.00 0.00 0.00 04:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:04 ens3 20.08 19.36 250.06 1.57 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 11.39 9.33 87.62 1.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20203) 05/26/26 _x86_64_ (2 CPU) 01:59:06 LINUX RESTART (2 CPU) 02:00:06 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.31 0.00 0.10 0.68 0.03 98.89 02:10:01 0 0.45 0.00 0.09 1.18 0.03 98.25 02:10:01 1 0.17 0.00 0.11 0.17 0.03 99.52 02:20:01 all 0.35 0.00 0.12 0.27 0.02 99.23 02:20:01 0 0.24 0.00 0.10 0.18 0.02 99.46 02:20:01 1 0.46 0.00 0.14 0.37 0.03 99.00 02:30:04 all 0.29 0.00 0.18 0.03 0.04 99.47 02:30:04 0 0.12 0.00 0.18 0.04 0.03 99.63 02:30:04 1 0.46 0.00 0.18 0.02 0.04 99.31 02:40:01 all 0.29 0.00 0.07 0.03 0.02 99.60 02:40:01 0 0.07 0.00 0.09 0.01 0.02 99.81 02:40:01 1 0.51 0.00 0.05 0.04 0.01 99.39 02:50:01 all 0.26 0.00 0.08 0.21 0.02 99.43 02:50:01 0 0.20 0.00 0.07 0.36 0.02 99.35 02:50:01 1 0.32 0.00 0.08 0.06 0.02 99.51 03:00:04 all 0.65 0.00 0.20 0.24 0.02 98.89 03:00:04 0 0.61 0.00 0.19 0.23 0.01 98.95 03:00:04 1 0.70 0.00 0.20 0.25 0.02 98.83 03:10:06 all 12.34 0.00 1.92 7.67 0.06 78.01 03:10:06 0 11.51 0.00 1.86 6.96 0.06 79.61 03:10:06 1 13.17 0.00 1.97 8.39 0.05 76.42 03:20:00 all 0.97 0.00 0.23 0.16 0.03 98.61 03:20:00 0 0.82 0.00 0.17 0.13 0.03 98.86 03:20:00 1 1.13 0.00 0.28 0.19 0.04 98.35 03:30:06 all 5.43 0.00 0.94 0.20 0.07 93.36 03:30:06 0 5.42 0.00 1.01 0.13 0.07 93.37 03:30:06 1 5.45 0.00 0.86 0.26 0.07 93.36 03:40:07 all 3.13 0.00 0.47 0.26 0.06 96.08 03:40:07 0 3.46 0.00 0.52 0.04 0.05 95.92 03:40:07 1 2.81 0.00 0.42 0.48 0.06 96.23 03:50:01 all 2.90 0.00 0.46 0.05 0.04 96.55 03:50:01 0 2.21 0.00 0.37 0.07 0.04 97.31 03:50:01 1 3.59 0.00 0.54 0.04 0.05 95.78 03:50:01 CPU %user %nice %system %iowait %steal %idle 04:00:04 all 1.07 0.00 0.39 0.69 0.04 97.82 04:00:04 0 0.80 0.00 0.35 1.19 0.03 97.62 04:00:04 1 1.33 0.00 0.43 0.19 0.04 98.01 Average: all 2.33 0.00 0.43 0.88 0.04 96.33 Average: 0 2.15 0.00 0.42 0.88 0.03 96.51 Average: 1 2.51 0.00 0.44 0.88 0.04 96.14