---> uname -a: Linux prd-centos8-docker-4c-4g-3149.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: 2799.996 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 773 12225 19 2763 14654 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:fd:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.237/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe88:fd72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:21:54:8f:f1 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) 01/04/2026 _x86_64_ (4 CPU) 13:22:51 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 391.74 175.62 216.11 14557.56 42504.25 01:25:01 PM 269.94 16.36 253.58 3800.33 12344.29 01:26:01 PM 56.74 4.63 52.11 371.68 8675.70 01:27:01 PM 50.19 1.45 48.74 91.32 8936.38 Average: 192.15 49.52 142.64 4705.24 18115.14 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13367716 15115240 2773816 17.18 2688 1963232 1107008 6.44 142424 2279132 178952 01:25:01 PM 12432528 14648516 3709004 22.98 2688 2419480 1513940 8.81 204672 3097000 238200 01:26:01 PM 11369780 13608308 4771752 29.56 2688 2441096 2459448 14.31 250788 4101616 1092 01:27:01 PM 12543608 15032196 3597924 22.29 2688 2689192 1102612 6.41 521020 2662048 26844 Average: 12428408 14601065 3713124 23.00 2688 2378250 1545752 8.99 279726 3034949 111272 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 337.94 188.17 1675.52 67.46 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 394.55 282.32 4380.15 56.22 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 24.04 24.04 4.97 4.97 0.00 0.00 0.00 0.00 01:26:01 PM eth0 46.19 36.63 106.70 22.13 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 5.02 5.02 1.12 1.12 0.00 0.00 0.00 0.00 01:27:01 PM eth0 59.72 54.81 277.33 28.82 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.26 7.26 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 209.60 140.48 1609.92 43.66 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) 01/04/2026 _x86_64_ (4 CPU) 13:22:51 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.94 0.02 5.27 4.20 0.09 64.48 01:24:01 PM 0 23.46 0.00 5.46 4.94 0.10 66.04 01:24:01 PM 1 23.48 0.07 5.03 3.27 0.10 68.05 01:24:01 PM 2 24.58 0.00 5.21 5.09 0.08 65.04 01:24:01 PM 3 32.24 0.00 5.39 3.50 0.08 58.79 01:25:01 PM all 30.49 0.00 2.61 1.71 0.10 65.09 01:25:01 PM 0 31.73 0.00 3.06 1.92 0.10 63.18 01:25:01 PM 1 31.52 0.00 1.74 1.55 0.08 65.10 01:25:01 PM 2 25.89 0.00 2.51 1.83 0.10 69.67 01:25:01 PM 3 32.81 0.00 3.13 1.54 0.10 62.42 01:26:01 PM all 40.65 0.00 0.98 0.39 0.08 57.89 01:26:01 PM 0 45.45 0.00 0.55 0.12 0.08 53.80 01:26:01 PM 1 48.32 0.00 0.73 0.07 0.08 50.79 01:26:01 PM 2 32.70 0.00 1.09 0.74 0.08 65.39 01:26:01 PM 3 36.11 0.00 1.55 0.65 0.08 61.60 01:27:01 PM all 21.07 0.00 1.63 0.30 0.07 76.93 01:27:01 PM 0 13.68 0.00 1.20 0.05 0.08 84.99 01:27:01 PM 1 17.38 0.00 1.64 0.77 0.07 80.15 01:27:01 PM 2 22.18 0.00 1.44 0.08 0.07 76.24 01:27:01 PM 3 31.06 0.00 2.24 0.32 0.07 66.32 Average: all 29.54 0.00 2.62 1.65 0.09 66.10 Average: 0 28.58 0.00 2.57 1.76 0.09 67.01 Average: 1 30.19 0.02 2.28 1.41 0.08 66.02 Average: 2 26.34 0.00 2.56 1.93 0.08 69.09 Average: 3 33.06 0.00 3.08 1.50 0.08 62.28