---> uname -a: Linux prd-centos8-docker-8c-8g-6037.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1052 26309 19 4528 30371 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:46:b3:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.160/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe46:b346/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:db:62:e1:54 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:dbff:fe62:e154/64 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) 04/25/2026 _x86_64_ (8 CPU) 16:34:17 LINUX RESTART (8 CPU) 04:35:01 PM tps rtps wtps bread/s bwrtn/s 04:36:01 PM 277.82 16.59 261.23 3287.84 13479.89 04:37:01 PM 172.63 16.43 156.20 2019.46 42274.09 04:38:01 PM 245.04 4.08 240.96 6203.43 27496.02 Average: 231.83 12.37 219.46 3837.04 27749.99 04:35:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:36:01 PM 28567392 30752892 4088320 12.52 2688 2499856 1851708 5.49 169764 3444088 368684 04:37:01 PM 26299032 29403232 6356680 19.47 2688 3400140 4071800 12.08 444592 5358532 1600 04:38:01 PM 26340364 30489864 6315348 19.34 2688 4440604 2018076 5.99 720056 5030900 106936 Average: 27068929 30215329 5586783 17.11 2688 3446867 2647195 7.85 444804 4611173 159073 04:35:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:36:01 PM eth0 450.08 334.27 6251.87 59.11 0.00 0.00 0.00 0.00 04:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:01 PM eth0 1088.67 351.58 7333.87 32.27 0.00 0.00 0.00 0.00 04:37:01 PM docker0 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 04:37:01 PM vethe064044 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 04:38:01 PM lo 12.76 12.76 1.35 1.35 0.00 0.00 0.00 0.00 04:38:01 PM eth0 301.37 248.91 4688.41 34.00 0.00 0.00 0.00 0.00 04:38:01 PM docker0 4.76 5.86 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.25 4.25 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 613.36 311.58 6091.30 41.79 0.00 0.00 0.00 0.00 Average: docker0 1.59 1.99 0.22 0.23 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) 04/25/2026 _x86_64_ (8 CPU) 16:34:17 LINUX RESTART (8 CPU) 04:35:01 PM CPU %user %nice %system %iowait %steal %idle 04:36:01 PM all 13.16 0.00 1.44 0.72 0.06 84.62 04:36:01 PM 0 7.63 0.00 0.97 0.68 0.07 90.65 04:36:01 PM 1 14.11 0.00 1.61 1.24 0.07 82.98 04:36:01 PM 2 6.46 0.00 1.19 0.89 0.08 91.38 04:36:01 PM 3 26.19 0.00 2.16 0.62 0.05 70.98 04:36:01 PM 4 28.43 0.00 2.96 0.94 0.07 67.61 04:36:01 PM 5 9.48 0.00 0.84 0.32 0.05 89.32 04:36:01 PM 6 5.77 0.00 0.95 0.42 0.07 92.79 04:36:01 PM 7 7.20 0.00 0.84 0.68 0.05 91.23 04:37:01 PM all 32.14 0.21 2.57 0.79 0.08 64.20 04:37:01 PM 0 29.17 0.03 2.23 0.47 0.08 68.01 04:37:01 PM 1 38.57 0.00 3.18 0.79 0.07 57.39 04:37:01 PM 2 29.28 0.00 3.32 1.14 0.08 66.17 04:37:01 PM 3 45.20 0.00 2.66 0.71 0.08 51.35 04:37:01 PM 4 19.91 0.00 2.25 0.67 0.08 77.08 04:37:01 PM 5 12.86 1.08 2.83 1.95 0.08 81.20 04:37:01 PM 6 41.02 0.60 2.13 0.47 0.08 55.69 04:37:01 PM 7 41.13 0.00 1.98 0.12 0.10 56.67 04:38:01 PM all 28.02 0.06 2.25 0.69 0.08 68.89 04:38:01 PM 0 28.77 0.03 3.82 1.61 0.10 65.67 04:38:01 PM 1 28.54 0.02 2.23 0.47 0.08 68.66 04:38:01 PM 2 24.01 0.00 2.36 0.17 0.08 73.38 04:38:01 PM 3 34.48 0.00 1.67 0.33 0.07 63.45 04:38:01 PM 4 29.58 0.00 1.49 0.20 0.07 68.66 04:38:01 PM 5 24.24 0.07 1.62 0.27 0.07 73.73 04:38:01 PM 6 25.09 0.38 2.04 0.20 0.08 72.20 04:38:01 PM 7 29.48 0.02 2.73 2.31 0.07 65.40 Average: all 24.43 0.09 2.08 0.74 0.07 72.59 Average: 0 21.84 0.02 2.34 0.92 0.08 74.80 Average: 1 27.05 0.01 2.34 0.83 0.07 69.70 Average: 2 19.90 0.00 2.29 0.73 0.08 77.00 Average: 3 35.27 0.00 2.16 0.55 0.07 61.95 Average: 4 25.98 0.00 2.23 0.60 0.07 71.11 Average: 5 15.53 0.38 1.76 0.84 0.07 81.42 Average: 6 23.93 0.33 1.71 0.36 0.08 73.59 Average: 7 25.90 0.01 1.85 1.04 0.07 71.14