---> uname -a: Linux prd-centos8-docker-8c-8g-721.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 992 28253 19 2644 30452 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:b1:6c:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.183/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86216sec preferred_lft 86216sec inet6 fe80::f816:3eff:feb1:6c2e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2e:5c:e6:b4 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) 03/30/2026 _x86_64_ (8 CPU) 20:14:49 LINUX RESTART (8 CPU) 08:15:01 PM tps rtps wtps bread/s bwrtn/s 08:16:01 PM 385.77 179.54 206.23 14483.19 40076.61 08:17:01 PM 228.36 18.03 210.33 3792.17 11537.74 Average: 307.08 98.80 208.28 9138.57 25809.56 08:15:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:16:01 PM 29760580 31227068 2895132 8.87 2688 1800992 1537052 4.56 147712 2361540 69332 08:17:01 PM 28308992 30361164 4346720 13.31 2688 2367092 2518284 7.47 191532 3679596 266892 Average: 29034786 30794116 3620926 11.09 2688 2084042 2027668 6.02 169622 3020568 168112 08:15:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 PM eth0 418.81 270.73 1189.92 74.06 0.00 0.00 0.00 0.00 08:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 PM eth0 279.94 223.50 3555.25 37.23 0.00 0.00 0.00 0.00 08:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 349.38 247.12 2372.39 55.65 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) 03/30/2026 _x86_64_ (8 CPU) 20:14:49 LINUX RESTART (8 CPU) 08:15:01 PM CPU %user %nice %system %iowait %steal %idle 08:16:01 PM all 11.25 0.01 2.89 7.42 0.05 78.38 08:16:01 PM 0 12.00 0.00 2.54 1.52 0.07 83.87 08:16:01 PM 1 7.27 0.00 2.55 2.88 0.05 87.25 08:16:01 PM 2 12.34 0.00 2.41 1.93 0.05 83.27 08:16:01 PM 3 10.85 0.00 3.33 2.78 0.05 82.98 08:16:01 PM 4 14.84 0.00 3.71 23.76 0.05 57.64 08:16:01 PM 5 7.14 0.08 3.02 5.88 0.03 83.84 08:16:01 PM 6 15.39 0.00 2.32 6.28 0.05 75.96 08:16:01 PM 7 10.15 0.00 3.24 14.31 0.03 72.26 08:17:01 PM all 17.17 0.00 1.28 1.25 0.07 80.23 08:17:01 PM 0 15.83 0.00 0.97 0.78 0.08 82.33 08:17:01 PM 1 29.60 0.00 1.87 1.87 0.08 66.58 08:17:01 PM 2 10.77 0.00 0.90 1.34 0.07 86.92 08:17:01 PM 3 9.91 0.00 0.79 1.02 0.07 88.22 08:17:01 PM 4 18.27 0.00 1.15 0.55 0.07 79.96 08:17:01 PM 5 23.90 0.00 2.04 1.07 0.08 72.91 08:17:01 PM 6 18.36 0.00 1.42 2.01 0.05 78.16 08:17:01 PM 7 10.69 0.00 1.14 1.34 0.05 86.79 Average: all 14.21 0.01 2.09 4.33 0.06 79.31 Average: 0 13.92 0.00 1.76 1.15 0.08 83.10 Average: 1 18.45 0.00 2.21 2.38 0.07 76.90 Average: 2 11.55 0.00 1.66 1.63 0.06 85.10 Average: 3 10.38 0.00 2.06 1.90 0.06 85.60 Average: 4 16.56 0.00 2.43 12.13 0.06 68.82 Average: 5 15.53 0.04 2.53 3.47 0.06 78.37 Average: 6 16.87 0.00 1.87 4.14 0.05 77.06 Average: 7 10.42 0.00 2.19 7.83 0.04 79.53