---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36762 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 755 5113 4 2366 7186 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:7c:b0:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78341sec preferred_lft 78341sec inet6 fe80::f816:3eff:fe7c:b051/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36762) 07/18/26 _x86_64_ (2 CPU) 00:39:07 LINUX RESTART (2 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 14.83 0.28 1.86 12.69 33.29 956.66 110256.01 01:00:01 1.34 0.01 1.31 0.02 0.05 16.57 0.89 01:10:11 1.21 0.00 1.20 0.02 0.00 14.68 1.19 01:20:01 1.23 0.00 1.21 0.02 0.01 15.21 1.22 01:30:01 1.49 0.00 1.46 0.03 0.00 18.05 1.55 01:40:01 1.18 0.00 1.16 0.02 0.00 14.25 1.20 01:50:01 1.22 0.00 1.21 0.01 0.00 14.77 0.97 02:00:01 25.71 2.87 20.49 2.35 225.99 3550.49 1245.79 02:10:11 1.33 0.00 1.31 0.02 0.00 21.68 1.13 02:20:01 1.43 0.00 1.41 0.02 0.00 19.97 1.25 02:30:01 1.70 0.00 1.64 0.06 0.00 140.87 397.54 02:40:01 1.31 0.00 1.27 0.04 0.00 30.53 1.45 02:50:01 1.53 0.00 1.48 0.05 0.00 26.01 1.20 Average: 4.26 0.24 2.85 1.17 19.94 371.85 8528.94 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6258788 7532972 287244 3.53 30720 1448760 519816 5.66 454628 1200888 128 01:00:01 6261584 7536324 283772 3.49 30920 1449092 519920 5.66 454800 1201420 124 01:10:11 6261360 7536652 283404 3.48 31136 1449460 520512 5.67 454888 1201968 184 01:20:01 6256816 7532644 287300 3.53 31356 1449744 575860 6.27 460712 1202492 160 01:30:01 6245192 7521732 298224 3.67 31572 1450200 520784 5.67 455612 1203052 132 01:40:01 6253032 7530088 289864 3.56 31756 1450528 520848 5.67 455844 1203564 136 01:50:01 6265160 7542740 277196 3.41 31952 1450848 521008 5.67 455832 1204080 132 02:00:01 5165688 7385436 380764 4.68 87640 2291512 629724 6.86 598940 2054872 372 02:10:11 5079896 7301788 464456 5.71 87816 2293500 638420 6.95 599612 2057016 404 02:20:01 5137304 7360520 405776 4.99 87988 2294636 658104 7.17 619152 2058216 124 02:30:01 5092156 7351912 414216 5.09 88184 2330864 661540 7.21 622340 2094640 136 02:40:01 5018292 7282884 483188 5.94 88360 2335460 714120 7.78 675228 2099412 232 02:50:01 5170144 7440340 325656 4.00 88552 2340796 557888 6.08 553660 2104940 3216 Average: 5728109 7450464 344697 4.24 57535 1848877 581426 6.33 527788 1606658 422 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 4.32 1.00 3.80 0.14 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 0.52 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.41 0.04 0.08 0.03 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 0.70 0.26 0.20 0.69 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 0.30 0.04 0.07 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 0.41 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.41 0.13 0.16 0.09 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 75.39 55.07 437.48 12.41 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 16.52 14.68 165.33 1.25 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 3.03 2.62 5.14 0.47 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 14.74 13.55 157.04 1.53 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 23.44 22.43 253.24 2.13 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 10.29 9.33 57.50 1.05 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 11.60 9.20 83.37 1.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36762) 07/18/26 _x86_64_ (2 CPU) 00:39:07 LINUX RESTART (2 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.42 0.00 0.13 0.09 0.02 99.34 00:50:01 0 0.37 0.00 0.13 0.12 0.03 99.35 00:50:01 1 0.47 0.00 0.13 0.07 0.02 99.32 01:00:01 all 0.28 0.00 0.17 0.03 0.02 99.50 01:00:01 0 0.43 0.00 0.15 0.06 0.02 99.35 01:00:01 1 0.14 0.00 0.18 0.01 0.03 99.65 01:10:11 all 0.28 0.00 0.07 0.03 0.02 99.59 01:10:11 0 0.52 0.00 0.06 0.06 0.02 99.34 01:10:11 1 0.05 0.00 0.09 0.00 0.03 99.83 01:20:01 all 0.24 0.00 0.08 0.06 0.02 99.60 01:20:01 0 0.11 0.00 0.10 0.10 0.03 99.67 01:20:01 1 0.38 0.00 0.07 0.02 0.02 99.52 01:30:01 all 0.24 0.00 0.15 0.02 0.02 99.57 01:30:01 0 0.42 0.00 0.15 0.02 0.01 99.41 01:30:01 1 0.06 0.00 0.16 0.03 0.03 99.74 01:40:01 all 0.24 0.00 0.06 0.02 0.02 99.66 01:40:01 0 0.43 0.00 0.04 0.03 0.01 99.50 01:40:01 1 0.05 0.00 0.08 0.02 0.03 99.82 01:50:01 all 0.25 0.00 0.06 0.04 0.02 99.63 01:50:01 0 0.46 0.00 0.06 0.02 0.01 99.46 01:50:01 1 0.05 0.00 0.07 0.05 0.03 99.80 02:00:01 all 12.64 0.00 1.95 2.78 0.06 82.57 02:00:01 0 11.85 0.00 1.91 4.29 0.05 81.90 02:00:01 1 13.42 0.00 2.00 1.27 0.07 83.24 02:10:11 all 0.92 0.00 0.23 4.31 0.08 94.46 02:10:11 0 1.11 0.00 0.27 5.17 0.05 93.40 02:10:11 1 0.72 0.00 0.20 3.44 0.12 95.52 02:20:01 all 7.49 0.00 0.75 0.03 0.07 91.66 02:20:01 0 12.90 0.00 1.23 0.02 0.07 85.78 02:20:01 1 2.17 0.00 0.29 0.04 0.06 97.44 02:30:01 all 2.65 0.00 0.47 0.15 0.05 96.68 02:30:01 0 1.63 0.00 0.43 0.11 0.05 97.78 02:30:01 1 3.69 0.00 0.50 0.19 0.05 95.56 02:30:01 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 1.68 0.00 0.37 0.10 0.04 97.81 02:40:01 0 1.36 0.00 0.33 0.08 0.03 98.20 02:40:01 1 2.01 0.00 0.41 0.13 0.04 97.41 02:50:01 all 1.22 0.00 0.22 0.79 0.04 97.73 02:50:01 0 1.31 0.00 0.20 1.45 0.03 97.01 02:50:01 1 1.14 0.00 0.25 0.12 0.04 98.46 Average: all 2.18 0.00 0.36 0.66 0.04 96.76 Average: 0 2.50 0.00 0.38 0.89 0.03 96.19 Average: 1 1.87 0.00 0.34 0.42 0.04 97.33