---> uname -a: Linux prd-centos8-docker-8c-8g-3057.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 1003 28240 19 2646 30441 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:e7:32:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.10/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86194sec preferred_lft 86194sec inet6 fe80::f816:3eff:fee7:32d6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:85:e9:6b:e1 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) 04/02/2026 _x86_64_ (8 CPU) 12:04:33 LINUX RESTART (8 CPU) 12:05:01 PM tps rtps wtps bread/s bwrtn/s 12:06:01 PM 187.39 20.38 167.01 4001.07 9268.39 12:07:01 PM 160.97 3.30 157.67 682.55 13055.29 12:08:01 PM 81.61 2.95 78.66 145.15 7847.17 Average: 143.32 8.88 134.45 1609.64 10056.78 12:05:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:06:01 PM 28960168 30875572 3695544 11.32 2688 2232216 1877960 5.57 162992 3073784 224900 12:07:01 PM 28626196 30690824 4029516 12.34 2688 2377492 1851012 5.49 214096 3326388 5000 12:08:01 PM 28981320 31234352 3674392 11.25 2688 2563064 1435152 4.26 404976 2780436 8472 Average: 28855895 30933583 3799817 11.64 2688 2390924 1721375 5.11 260688 3060203 79457 12:05:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:06:01 PM eth0 154.48 123.53 1970.91 30.64 0.00 0.00 0.00 0.00 12:06:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:07:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:07:01 PM eth0 183.72 153.92 1934.97 21.89 0.00 0.00 0.00 0.00 12:07:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:08:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:08:01 PM eth0 286.74 160.85 2941.66 21.64 0.00 0.00 0.00 0.00 12:08:01 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 208.31 146.10 2282.53 24.72 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) 04/02/2026 _x86_64_ (8 CPU) 12:04:33 LINUX RESTART (8 CPU) 12:05:01 PM CPU %user %nice %system %iowait %steal %idle 12:06:01 PM all 12.47 0.00 1.23 0.50 0.06 85.74 12:06:01 PM 0 9.92 0.00 1.14 0.55 0.07 88.33 12:06:01 PM 1 5.00 0.00 0.95 1.40 0.07 92.58 12:06:01 PM 2 9.24 0.00 1.02 0.38 0.07 89.28 12:06:01 PM 3 13.88 0.00 1.59 0.43 0.08 84.02 12:06:01 PM 4 17.06 0.00 1.67 0.55 0.05 80.67 12:06:01 PM 5 10.02 0.00 1.09 0.17 0.07 88.66 12:06:01 PM 6 26.19 0.00 1.68 0.38 0.07 71.68 12:06:01 PM 7 8.43 0.00 0.68 0.10 0.03 90.76 12:07:01 PM all 10.13 0.00 0.60 0.38 0.04 88.85 12:07:01 PM 0 16.32 0.00 0.88 0.35 0.05 82.39 12:07:01 PM 1 8.01 0.00 0.45 0.25 0.05 91.23 12:07:01 PM 2 8.44 0.00 0.43 0.10 0.03 91.00 12:07:01 PM 3 11.56 0.00 0.32 0.12 0.05 87.96 12:07:01 PM 4 9.93 0.00 1.05 1.45 0.05 87.51 12:07:01 PM 5 11.19 0.00 0.35 0.10 0.03 88.32 12:07:01 PM 6 9.38 0.00 0.67 0.48 0.03 89.44 12:07:01 PM 7 6.19 0.00 0.65 0.18 0.03 92.94 12:08:01 PM all 9.57 0.00 0.96 0.18 0.05 89.23 12:08:01 PM 0 2.94 0.00 0.60 0.35 0.07 96.04 12:08:01 PM 1 12.58 0.00 1.09 0.12 0.03 86.18 12:08:01 PM 2 6.65 0.00 0.94 0.32 0.08 92.02 12:08:01 PM 3 24.95 0.00 1.57 0.13 0.08 73.26 12:08:01 PM 4 2.89 0.00 0.58 0.07 0.03 96.43 12:08:01 PM 5 10.10 0.00 1.08 0.33 0.03 88.45 12:08:01 PM 6 9.58 0.00 0.95 0.02 0.02 89.44 12:08:01 PM 7 6.90 0.00 0.88 0.13 0.03 92.05 Average: all 10.72 0.00 0.93 0.35 0.05 87.94 Average: 0 9.73 0.00 0.87 0.42 0.06 88.92 Average: 1 8.53 0.00 0.83 0.59 0.05 90.00 Average: 2 8.11 0.00 0.80 0.27 0.06 90.77 Average: 3 16.80 0.00 1.16 0.23 0.07 81.74 Average: 4 9.96 0.00 1.10 0.69 0.04 88.20 Average: 5 10.44 0.00 0.84 0.20 0.04 88.48 Average: 6 15.05 0.00 1.10 0.29 0.04 83.52 Average: 7 7.17 0.00 0.74 0.14 0.03 91.92