---> uname -a: Linux prd-centos8-docker-4c-4g-3986.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 802 11906 19 3053 14614 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:72:52:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.136/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86001sec preferred_lft 86001sec inet6 fe80::f816:3eff:fe72:52d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2f:0d:04:72 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::42:2fff:fe0d:472/64 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) 03/22/2026 _x86_64_ (4 CPU) 16:12:20 LINUX RESTART (4 CPU) 04:13:01 PM tps rtps wtps bread/s bwrtn/s 04:14:01 PM 228.83 18.75 210.08 3807.63 11073.02 04:15:01 PM 113.01 2.65 110.36 259.25 8860.58 04:16:01 PM 25.70 0.05 25.65 1.07 6425.80 04:17:01 PM 6.73 2.73 4.00 136.33 290.67 04:18:01 PM 84.36 0.68 83.67 502.90 15904.67 04:19:01 PM 37.69 2.93 34.76 151.82 1230.34 Average: 82.71 4.63 78.08 809.75 7297.24 04:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:14:01 PM 12450276 14525268 3691256 22.87 2688 2281100 1692748 9.85 177140 3117952 188476 04:15:01 PM 10722264 13037312 5419268 33.57 2688 2516796 2991000 17.40 261432 4736648 182636 04:16:01 PM 10432680 12751300 5708852 35.37 2688 2520248 3114896 18.12 261576 5024428 156 04:17:01 PM 9086052 11419128 7055480 43.71 2688 2534204 4444468 25.85 272972 6352036 2844 04:18:01 PM 8505720 11260164 7635812 47.31 2688 2945268 4888104 28.44 404024 6759492 124 04:19:01 PM 12191368 14964384 3950164 24.47 2688 2962800 1187516 6.91 587484 2904948 23220 Average: 10564727 12992926 5576805 34.55 2688 2626736 3053122 17.76 327438 4815917 66243 04:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 PM eth0 234.26 192.58 2614.74 32.49 0.00 0.00 0.00 0.00 04:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 PM eth0 248.45 179.96 3420.68 28.03 0.00 0.00 0.00 0.00 04:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 PM eth0 15.65 13.18 2.93 26.07 0.00 0.00 0.00 0.00 04:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:17:01 PM lo 2.08 2.08 0.30 0.30 0.00 0.00 0.00 0.00 04:17:01 PM eth0 21.32 19.52 4.59 15.02 0.00 0.00 0.00 0.00 04:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 PM lo 13.95 13.95 26.91 26.91 0.00 0.00 0.00 0.00 04:18:01 PM eth0 171.33 106.15 2827.09 9.04 0.00 0.00 0.00 0.00 04:18:01 PM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 04:18:01 PM veth2f48c09 0.18 0.45 0.01 0.04 0.00 0.00 0.00 0.00 04:18:01 PM br-3a1cf9d9ae23 5.46 5.43 25.60 0.92 0.00 0.00 0.00 0.00 04:19:01 PM lo 0.42 0.42 0.02 0.02 0.00 0.00 0.00 0.00 04:19:01 PM eth0 31.02 25.49 24.29 11.37 0.00 0.00 0.00 0.00 04:19:01 PM docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.74 2.74 4.54 4.54 0.00 0.00 0.00 0.00 Average: eth0 120.34 89.48 1482.35 20.34 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 03/22/2026 _x86_64_ (4 CPU) 16:12:20 LINUX RESTART (4 CPU) 04:13:01 PM CPU %user %nice %system %iowait %steal %idle 04:14:01 PM all 29.96 0.00 2.96 1.10 0.09 65.89 04:14:01 PM 0 43.28 0.00 2.75 0.67 0.08 53.21 04:14:01 PM 1 21.68 0.00 3.39 1.24 0.10 73.59 04:14:01 PM 2 26.34 0.00 3.46 1.10 0.08 69.00 04:14:01 PM 3 28.54 0.00 2.24 1.39 0.08 67.75 04:15:01 PM all 62.22 0.00 2.04 0.46 0.10 35.18 04:15:01 PM 0 61.89 0.00 2.18 0.47 0.10 35.36 04:15:01 PM 1 48.77 0.00 2.54 1.14 0.10 47.45 04:15:01 PM 2 64.55 0.00 2.46 0.22 0.10 32.68 04:15:01 PM 3 73.63 0.00 0.97 0.03 0.10 25.27 04:16:01 PM all 17.43 0.00 0.42 0.18 0.05 81.93 04:16:01 PM 0 19.08 0.00 0.40 0.10 0.07 80.35 04:16:01 PM 1 16.51 0.00 0.40 0.10 0.05 82.94 04:16:01 PM 2 16.37 0.00 0.45 0.02 0.05 83.11 04:16:01 PM 3 17.75 0.00 0.42 0.48 0.05 81.30 04:17:01 PM all 40.60 0.00 0.82 0.03 0.08 58.47 04:17:01 PM 0 78.50 0.00 1.72 0.08 0.08 19.61 04:17:01 PM 1 27.22 0.00 0.62 0.02 0.08 72.07 04:17:01 PM 2 36.21 0.00 0.28 0.02 0.07 63.42 04:17:01 PM 3 20.43 0.00 0.67 0.02 0.07 78.82 04:18:01 PM all 19.35 0.00 2.85 0.61 0.08 77.11 04:18:01 PM 0 20.79 0.00 3.32 0.49 0.08 75.31 04:18:01 PM 1 16.89 0.00 2.54 1.13 0.08 79.36 04:18:01 PM 2 20.95 0.00 2.71 0.49 0.10 75.75 04:18:01 PM 3 18.78 0.00 2.80 0.35 0.07 78.00 04:19:01 PM all 28.75 0.00 1.67 0.11 0.06 69.41 04:19:01 PM 0 41.20 0.00 2.15 0.17 0.07 56.41 04:19:01 PM 1 27.07 0.00 1.74 0.12 0.07 71.01 04:19:01 PM 2 23.10 0.00 1.20 0.05 0.05 75.59 04:19:01 PM 3 23.61 0.00 1.59 0.12 0.07 74.62 Average: all 33.06 0.00 1.79 0.42 0.08 64.65 Average: 0 44.15 0.00 2.09 0.33 0.08 53.35 Average: 1 26.36 0.00 1.87 0.62 0.08 71.07 Average: 2 31.26 0.00 1.76 0.32 0.08 66.59 Average: 3 30.47 0.00 1.45 0.40 0.07 67.61