---> uname -a: Linux prd-centos8-docker-4c-4g-2566.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 754 12249 19 2759 14674 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:99:17:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.62/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe99:1700/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:75:25:69:d8 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) 03/17/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 207.72 8.47 199.25 1302.18 6879.17 01:25:01 PM 262.86 19.25 243.60 4105.80 11528.35 01:26:01 PM 40.24 1.73 38.50 64.91 7988.45 01:27:01 PM 58.38 3.17 55.21 147.28 9568.29 Average: 142.30 8.16 134.15 1405.27 8991.37 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13324908 15090184 2816616 17.45 2688 1981184 1129952 6.57 138576 2325244 167072 01:25:01 PM 11750880 13978776 4390644 27.20 2688 2431568 2238304 13.02 235100 3741604 229700 01:26:01 PM 11443712 13675764 4697812 29.10 2688 2435504 2537840 14.76 249824 4029908 8 01:27:01 PM 12612216 15094528 3529308 21.86 2688 2683132 1076228 6.26 521248 2591636 8604 Average: 12282929 14459813 3858595 23.90 2688 2382847 1745581 10.15 286187 3172098 101346 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 196.33 128.06 1337.53 45.30 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 401.85 274.33 4333.50 65.02 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 25.02 25.02 5.08 5.08 0.00 0.00 0.00 0.00 01:26:01 PM eth0 26.11 17.86 11.23 23.23 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 3.52 3.52 0.97 0.97 0.00 0.00 0.00 0.00 01:27:01 PM eth0 72.56 78.46 281.38 928.80 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 7.17 7.17 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 174.23 124.69 1491.15 265.58 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) 03/17/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 17.85 0.00 1.94 1.47 0.10 78.64 01:24:01 PM 0 25.82 0.00 1.87 1.29 0.10 70.91 01:24:01 PM 1 22.17 0.00 2.16 0.79 0.10 74.79 01:24:01 PM 2 13.16 0.00 2.25 2.90 0.12 81.58 01:24:01 PM 3 10.23 0.00 1.47 0.90 0.07 87.32 01:25:01 PM all 44.93 0.00 3.05 2.49 0.15 49.38 01:25:01 PM 0 41.01 0.00 4.00 3.27 0.17 51.55 01:25:01 PM 1 39.88 0.00 3.82 2.72 0.17 53.41 01:25:01 PM 2 53.99 0.00 2.68 1.42 0.13 41.77 01:25:01 PM 3 44.82 0.00 1.69 2.55 0.13 50.80 01:26:01 PM all 25.22 0.00 0.76 0.49 0.08 73.45 01:26:01 PM 0 16.10 0.00 1.17 1.25 0.08 81.39 01:26:01 PM 1 21.16 0.00 0.99 0.50 0.08 77.28 01:26:01 PM 2 31.95 0.00 0.42 0.13 0.07 67.43 01:26:01 PM 3 31.67 0.00 0.48 0.07 0.08 67.70 01:27:01 PM all 22.70 0.00 1.85 1.82 0.10 73.54 01:27:01 PM 0 31.88 0.00 1.90 1.17 0.10 64.95 01:27:01 PM 1 28.79 0.00 2.92 3.94 0.10 64.24 01:27:01 PM 2 15.11 0.00 1.12 1.19 0.08 82.50 01:27:01 PM 3 14.98 0.00 1.44 0.97 0.10 82.51 Average: all 27.67 0.00 1.90 1.57 0.11 68.76 Average: 0 28.70 0.00 2.24 1.74 0.11 67.21 Average: 1 27.99 0.00 2.47 1.99 0.11 67.44 Average: 2 28.56 0.00 1.61 1.41 0.10 68.31 Average: 3 25.43 0.00 1.27 1.12 0.10 72.08