---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27712 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 783 5020 4 2439 7158 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:98:1b:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 77093sec preferred_lft 77093sec inet6 fe80::f816:3eff:fe98:1bbd/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-27712) 06/16/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.24 0.28 1.93 0.03 33.30 78.80 654.39 02:10:07 1.56 0.01 1.53 0.02 0.05 18.59 216.78 02:20:07 1.35 0.00 1.33 0.02 0.01 15.48 1.20 02:30:01 1.54 0.00 1.51 0.03 0.00 17.69 440.65 02:40:07 1.36 0.00 1.34 0.02 0.00 15.44 1.19 02:50:07 1.41 0.00 1.39 0.02 0.00 16.32 1.32 03:00:01 38.47 3.02 19.70 15.74 229.44 3694.99 109892.52 03:10:07 1.36 0.00 1.36 0.00 0.00 21.94 0.05 03:20:07 1.30 0.00 1.30 0.00 0.00 19.15 0.03 03:30:01 1.67 0.00 1.61 0.06 0.00 133.88 3.36 03:40:07 1.42 0.00 1.38 0.04 0.00 18.67 3.47 03:50:07 1.32 0.00 1.29 0.03 0.00 20.53 391.45 04:00:01 1.70 0.01 1.65 0.05 0.20 35.26 3.09 04:10:07 15.55 13.42 2.05 0.09 149.39 91.04 9.11 04:20:07 1.50 0.00 1.47 0.03 0.00 23.28 1.77 Average: 4.90 1.12 2.71 1.07 27.41 278.79 7364.70 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6237996 7515164 304596 3.75 30820 1451844 527624 5.75 453752 1204656 160 02:10:07 6253156 7530936 288824 3.55 31072 1452176 527624 5.75 453932 1205256 228 02:20:07 6260296 7538644 281112 3.46 31292 1452500 527776 5.75 453980 1205812 172 02:30:01 6252000 7530876 288868 3.55 31480 1452832 527776 5.75 453956 1206332 244 02:40:07 6266128 7545676 274056 3.37 31688 1453288 527776 5.75 454240 1206868 184 02:50:07 6265624 7545728 273992 3.37 31904 1453616 527840 5.75 454676 1207412 188 03:00:01 5161812 7362360 404460 4.97 87048 2273852 645208 7.03 591060 2037344 244 03:10:07 5175896 7378532 388288 4.77 87196 2275792 654000 7.12 591708 2039432 168 03:20:07 5181728 7385772 381052 4.69 87332 2277076 673604 7.34 611292 2040848 224 03:30:01 5096964 7335676 431116 5.30 87500 2311508 696084 7.58 634100 2075336 164 03:40:07 5116132 7355664 411124 5.06 87676 2312144 696148 7.58 634396 2076136 132 03:50:07 5130268 7371124 395648 4.87 87848 2313276 665264 7.25 602912 2077440 160 04:00:01 5122216 7368236 398356 4.90 88040 2318200 664484 7.24 602708 2082536 852 04:10:07 4978240 7293824 463708 5.70 91320 2376024 709672 7.73 648656 2143044 188 04:20:07 4988784 7306560 450948 5.55 91436 2378060 709776 7.73 648472 2145076 160 Average: 5565816 7424318 362410 4.46 65577 1970146 618710 6.74 552656 1730235 231 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 2.12 0.49 3.31 0.06 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.34 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.64 0.03 5.45 0.01 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 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 0.30 0.07 0.10 0.05 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 74.57 53.61 430.76 12.74 0.00 0.00 0.00 0.00 03:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:07 ens3 15.56 13.40 138.90 1.16 0.00 0.00 0.00 0.00 03:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:07 ens3 5.87 5.52 33.13 0.67 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 4.99 3.58 37.47 0.38 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 2.61 1.73 0.36 0.24 0.00 0.00 0.00 0.00 03:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:07 ens3 4.70 3.90 9.10 0.69 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 13.82 13.09 142.70 1.28 0.00 0.00 0.00 0.00 04:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:07 ens3 13.89 13.02 147.45 1.44 0.00 0.00 0.00 0.00 04:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:07 ens3 14.16 13.84 140.25 1.20 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 10.22 8.13 72.36 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27712) 06/16/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.43 0.00 0.21 0.02 0.02 99.33 02:00:01 0 0.41 0.00 0.18 0.01 0.02 99.37 02:00:01 1 0.44 0.00 0.23 0.03 0.02 99.28 02:10:07 all 0.27 0.00 0.09 0.01 0.02 99.61 02:10:07 0 0.32 0.00 0.08 0.01 0.02 99.57 02:10:07 1 0.21 0.00 0.10 0.00 0.02 99.66 02:20:07 all 0.25 0.00 0.07 0.01 0.02 99.65 02:20:07 0 0.34 0.00 0.06 0.01 0.02 99.57 02:20:07 1 0.16 0.00 0.08 0.01 0.02 99.73 02:30:01 all 0.28 0.00 0.16 0.01 0.02 99.53 02:30:01 0 0.40 0.00 0.14 0.01 0.01 99.43 02:30:01 1 0.16 0.00 0.19 0.00 0.02 99.63 02:40:07 all 0.25 0.00 0.08 0.01 0.01 99.65 02:40:07 0 0.15 0.00 0.07 0.01 0.01 99.75 02:40:07 1 0.36 0.00 0.08 0.00 0.01 99.54 02:50:07 all 0.27 0.00 0.08 0.01 0.02 99.63 02:50:07 0 0.29 0.00 0.07 0.00 0.02 99.61 02:50:07 1 0.24 0.00 0.08 0.01 0.02 99.65 03:00:01 all 12.92 0.00 2.03 1.54 0.06 83.46 03:00:01 0 11.18 0.00 2.05 1.89 0.06 84.83 03:00:01 1 14.67 0.00 2.00 1.18 0.06 82.09 03:10:07 all 0.98 0.00 0.24 0.01 0.04 98.74 03:10:07 0 1.20 0.00 0.34 0.00 0.04 98.41 03:10:07 1 0.77 0.00 0.13 0.01 0.03 99.06 03:20:07 all 6.32 0.00 0.93 0.01 0.08 92.65 03:20:07 0 6.34 0.00 1.00 0.01 0.09 92.56 03:20:07 1 6.30 0.00 0.86 0.01 0.08 92.75 03:30:01 all 1.61 0.00 0.41 0.01 0.05 97.93 03:30:01 0 1.20 0.00 0.37 0.02 0.04 98.37 03:30:01 1 2.02 0.00 0.44 0.01 0.05 97.49 03:40:07 all 0.65 0.00 0.16 0.01 0.04 99.15 03:40:07 0 0.67 0.00 0.18 0.00 0.04 99.10 03:40:07 1 0.63 0.00 0.13 0.01 0.03 99.20 03:40:07 CPU %user %nice %system %iowait %steal %idle 03:50:07 all 0.89 0.00 0.18 0.01 0.04 98.89 03:50:07 0 0.60 0.00 0.18 0.00 0.03 99.19 03:50:07 1 1.18 0.00 0.18 0.01 0.04 98.59 04:00:01 all 1.76 0.00 0.39 0.01 0.04 97.81 04:00:01 0 2.74 0.00 0.46 0.00 0.05 96.75 04:00:01 1 0.78 0.00 0.31 0.01 0.03 98.87 04:10:07 all 2.35 0.17 0.54 0.13 0.04 96.77 04:10:07 0 1.83 0.03 0.37 0.05 0.03 97.68 04:10:07 1 2.86 0.32 0.71 0.20 0.05 95.86 04:20:07 all 0.91 0.00 0.23 0.01 0.04 98.82 04:20:07 0 0.63 0.00 0.16 0.01 0.03 99.17 04:20:07 1 1.19 0.00 0.30 0.00 0.05 98.46 Average: all 1.99 0.01 0.38 0.12 0.03 97.46 Average: 0 1.87 0.00 0.38 0.13 0.03 97.58 Average: 1 2.11 0.02 0.38 0.10 0.04 97.35