---> uname -a: Linux prd-centos8-docker-4c-4g-142.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 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 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 815 11557 19 3390 14598 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 valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:20:1e:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.205/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85869sec preferred_lft 85869sec inet6 fe80::f816:3eff:fe20:1eef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:97:ef:a8:83 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:97ff:feef:a883/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/16/2026 _x86_64_ (4 CPU) 08:02:27 LINUX RESTART (4 CPU) 08:03:02 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 209.95 19.59 190.36 3558.52 10727.58 08:05:01 AM 144.73 3.17 141.56 766.68 12225.72 08:06:01 AM 26.29 0.05 26.24 1.07 6381.81 08:07:01 AM 11.73 1.03 10.70 85.30 324.01 08:08:01 AM 72.14 2.37 69.78 480.64 14801.95 08:09:01 AM 25.49 0.07 25.42 7.86 3814.85 08:10:02 AM 21.99 1.22 20.77 1590.40 7558.32 08:11:01 AM 67.43 0.51 66.93 61.13 2783.28 Average: 72.19 3.47 68.72 814.82 7329.69 08:03:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12798416 14885016 3343116 20.71 2688 2293792 1271940 7.40 166972 2786200 237008 08:05:01 AM 11139804 13523152 5001728 30.99 2688 2584960 2388792 13.90 258404 4322096 182900 08:06:01 AM 10407260 12793968 5734272 35.52 2688 2588152 3024820 17.60 263716 5047288 844 08:07:01 AM 9958704 12366004 6182828 38.30 2688 2608068 3453060 20.09 273036 5480664 3712 08:08:01 AM 6838720 9788312 9302812 57.63 2688 3139692 12735828 74.09 384588 8409252 107148 08:09:01 AM 8693572 11523136 7447960 46.14 2688 3020008 4552176 26.48 406260 6568060 108 08:10:02 AM 10443480 13550440 5698052 35.30 2688 3294892 2395784 13.94 465128 4761940 26888 08:11:01 AM 11799168 14919368 4342364 26.90 2688 3305012 1195260 6.95 673688 3197272 31916 Average: 10259890 12918674 5881642 36.44 2688 2854322 3877208 22.55 361474 5071596 73816 08:03:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 230.19 185.07 2676.11 36.46 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 266.05 197.97 4078.41 25.49 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 181.89 124.59 57.33 69.41 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 3.57 3.57 0.48 0.48 0.00 0.00 0.00 0.00 08:07:01 AM eth0 101.32 68.26 27.32 42.55 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 8.60 8.60 14.26 14.26 0.00 0.00 0.00 0.00 08:08:01 AM eth0 208.05 120.28 2831.55 12.58 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth85c92f9 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-c9ff7f3da464 3.47 3.48 13.63 0.52 0.00 0.00 0.00 0.00 08:08:01 AM veth039f055 3.63 3.42 13.69 0.51 0.00 0.00 0.00 0.00 08:08:01 AM vethebf43ff 6.61 7.16 14.17 14.21 0.00 0.00 0.00 0.00 08:09:01 AM lo 7.25 7.25 12.58 12.58 0.00 0.00 0.00 0.00 08:09:01 AM eth0 0.23 0.13 0.07 0.22 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.12 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:09:01 AM veth85c92f9 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 08:09:01 AM br-c9ff7f3da464 2.73 2.40 12.00 0.43 0.00 0.00 0.00 0.00 08:10:02 AM lo 0.48 0.48 0.03 0.03 0.00 0.00 0.00 0.00 08:10:02 AM eth0 185.99 142.10 3139.59 12.47 0.00 0.00 0.00 0.00 08:10:02 AM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 101.54 57.15 26.21 259.95 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.50 2.50 3.43 3.43 0.00 0.00 0.00 0.00 Average: eth0 159.38 111.91 1605.72 57.01 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/16/2026 _x86_64_ (4 CPU) 08:02:27 LINUX RESTART (4 CPU) 08:03:02 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 26.58 0.00 2.56 1.17 0.09 69.61 08:04:01 AM 0 36.50 0.00 3.46 0.97 0.08 58.98 08:04:01 AM 1 23.02 0.00 2.21 1.65 0.07 73.05 08:04:01 AM 2 21.95 0.00 1.99 0.60 0.10 75.36 08:04:01 AM 3 24.83 0.00 2.57 1.45 0.09 71.07 08:05:01 AM all 64.55 0.00 2.10 0.71 0.10 32.53 08:05:01 AM 0 66.16 0.00 1.85 1.20 0.10 30.68 08:05:01 AM 1 64.19 0.00 1.96 0.32 0.12 33.42 08:05:01 AM 2 57.57 0.00 2.36 0.55 0.10 39.42 08:05:01 AM 3 70.30 0.00 2.24 0.77 0.10 26.59 08:06:01 AM all 23.26 0.00 1.59 0.20 0.07 74.89 08:06:01 AM 0 28.82 0.00 1.02 0.00 0.07 70.09 08:06:01 AM 1 17.70 0.00 1.94 0.40 0.07 79.89 08:06:01 AM 2 25.81 0.00 1.64 0.05 0.07 72.43 08:06:01 AM 3 20.69 0.00 1.75 0.33 0.07 77.16 08:07:01 AM all 36.73 0.00 1.69 0.03 0.08 61.48 08:07:01 AM 0 33.21 0.00 0.84 0.03 0.08 65.84 08:07:01 AM 1 29.18 0.00 1.72 0.02 0.07 69.02 08:07:01 AM 2 55.69 0.00 2.42 0.05 0.08 41.76 08:07:01 AM 3 28.80 0.00 1.77 0.03 0.07 69.33 08:08:01 AM all 34.47 0.00 3.72 4.11 0.10 57.60 08:08:01 AM 0 41.82 0.00 3.81 4.44 0.10 49.82 08:08:01 AM 1 34.16 0.00 2.79 1.83 0.10 61.11 08:08:01 AM 2 31.03 0.00 3.04 5.45 0.08 60.40 08:08:01 AM 3 30.85 0.00 5.23 4.74 0.12 59.06 08:09:01 AM all 3.66 0.00 0.64 3.96 0.07 91.67 08:09:01 AM 0 4.40 0.00 0.75 5.05 0.05 89.75 08:09:01 AM 1 2.95 0.00 0.50 2.14 0.08 94.32 08:09:01 AM 2 3.41 0.00 0.70 1.42 0.08 94.38 08:09:01 AM 3 3.87 0.00 0.62 7.23 0.05 88.24 08:10:02 AM all 68.92 0.00 1.63 0.29 0.11 29.05 08:10:02 AM 0 75.14 0.00 1.17 0.05 0.12 23.52 08:10:02 AM 1 76.81 0.00 2.14 0.03 0.10 20.92 08:10:02 AM 2 74.76 0.00 1.09 0.00 0.10 24.06 08:10:02 AM 3 48.98 0.00 2.13 1.07 0.12 47.71 08:11:01 AM all 46.71 0.00 1.94 0.42 0.08 50.86 08:11:01 AM 0 54.84 0.00 1.25 0.37 0.07 43.46 08:11:01 AM 1 48.08 0.00 2.92 0.12 0.07 48.81 08:11:01 AM 2 47.69 0.00 1.12 0.31 0.08 50.80 08:11:01 AM 3 36.19 0.00 2.45 0.90 0.09 60.38 Average: all 38.12 0.00 1.98 1.36 0.09 58.45 Average: 0 42.60 0.00 1.77 1.51 0.08 54.04 Average: 1 37.02 0.00 2.02 0.81 0.08 60.06 Average: 2 39.78 0.00 1.79 1.05 0.09 57.29 Average: 3 33.08 0.00 2.34 2.07 0.09 62.43