---> uname -a: Linux prd-centos8-docker-8c-8g-242.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: 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): 0-7 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1469 27862 19 2558 29972 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:88:ff:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:fe88:ffa4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e7:b6:b5:51 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 ---> 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_ (8 CPU) 14:01:22 LINUX RESTART (8 CPU) 02:02:01 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 212.36 2.78 209.58 842.12 12783.12 02:04:01 PM 99.67 1.57 98.10 390.20 10991.89 02:05:01 PM 45.02 1.93 43.09 59.71 4071.38 Average: 119.01 2.09 116.92 430.68 9282.22 02:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 28053920 30006024 4601792 14.09 2688 2268356 2706104 8.03 174240 3952604 217780 02:04:01 PM 27203524 29307536 5452188 16.70 2688 2415188 3138884 9.31 223052 4737120 56604 02:05:01 PM 28504012 30660372 4151700 12.71 2688 2465600 1894092 5.62 445300 3215452 24372 Average: 27920485 29991311 4735227 14.50 2688 2383048 2579693 7.65 280864 3968392 99585 02:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 PM eth0 244.42 196.82 3546.50 46.55 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 1.08 1.08 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 160.84 130.53 1456.91 29.54 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 274.99 181.74 651.62 142.72 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 226.75 169.70 1884.99 72.94 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 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_ (8 CPU) 14:01:22 LINUX RESTART (8 CPU) 02:02:01 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 21.56 0.00 1.35 0.66 0.06 76.38 02:03:01 PM 0 14.29 0.00 1.12 0.55 0.07 83.97 02:03:01 PM 1 13.72 0.00 1.70 0.18 0.07 84.32 02:03:01 PM 2 12.98 0.00 1.09 0.57 0.08 85.28 02:03:01 PM 3 33.06 0.00 1.18 0.20 0.05 65.51 02:03:01 PM 4 25.62 0.00 1.20 1.12 0.05 72.01 02:03:01 PM 5 15.37 0.00 0.95 0.38 0.05 83.25 02:03:01 PM 6 32.54 0.00 2.66 2.16 0.07 62.58 02:03:01 PM 7 24.89 0.00 0.85 0.08 0.07 74.11 02:04:01 PM all 43.28 0.00 1.71 0.29 0.08 54.64 02:04:01 PM 0 55.64 0.00 1.94 0.18 0.08 42.16 02:04:01 PM 1 43.90 0.00 1.52 0.30 0.10 54.18 02:04:01 PM 2 38.96 0.00 1.30 0.30 0.08 59.35 02:04:01 PM 3 30.11 0.00 2.04 0.89 0.07 66.90 02:04:01 PM 4 49.22 0.00 1.92 0.10 0.08 48.68 02:04:01 PM 5 38.87 0.00 1.84 0.10 0.07 59.12 02:04:01 PM 6 49.32 0.00 1.40 0.13 0.08 49.06 02:04:01 PM 7 40.23 0.00 1.69 0.33 0.08 57.67 02:05:01 PM all 21.16 0.00 1.25 0.13 0.06 77.41 02:05:01 PM 0 25.35 0.00 1.07 0.03 0.07 73.49 02:05:01 PM 1 23.94 0.00 0.95 0.00 0.05 75.06 02:05:01 PM 2 13.18 0.00 0.77 0.02 0.05 85.99 02:05:01 PM 3 29.27 0.00 0.92 0.20 0.05 69.56 02:05:01 PM 4 19.96 0.00 1.74 0.07 0.05 78.18 02:05:01 PM 5 12.44 0.00 1.84 0.42 0.07 85.23 02:05:01 PM 6 17.26 0.00 1.19 0.10 0.07 81.39 02:05:01 PM 7 27.82 0.00 1.55 0.17 0.05 70.42 Average: all 28.67 0.00 1.43 0.36 0.07 69.47 Average: 0 31.77 0.00 1.37 0.26 0.07 66.53 Average: 1 27.19 0.00 1.39 0.16 0.07 71.19 Average: 2 21.71 0.00 1.05 0.30 0.07 76.87 Average: 3 30.81 0.00 1.38 0.43 0.06 67.32 Average: 4 31.61 0.00 1.62 0.43 0.06 66.28 Average: 5 22.23 0.00 1.54 0.30 0.06 75.86 Average: 6 33.04 0.00 1.75 0.80 0.07 64.34 Average: 7 30.98 0.00 1.36 0.19 0.07 67.39