---> uname -a: Linux prd-centos8-docker-4c-4g-19531.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 757 12234 19 2771 14671 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:92:af:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.108/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86113sec preferred_lft 86113sec inet6 fe80::f816:3eff:fe92:afb7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:56:93:ce:8e 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) 02/23/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 85.74 0.32 85.42 9.73 7025.50 01:25:01 PM 248.77 18.59 230.17 4016.66 9473.16 01:26:01 PM 43.64 2.38 41.26 235.16 8102.10 01:27:01 PM 60.21 1.43 58.77 91.18 9681.42 Average: 109.59 5.68 103.91 1088.31 8570.58 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13310776 15095204 2830748 17.54 2688 2000536 1127412 6.56 139128 2336680 119280 01:25:01 PM 11974604 14210580 4166920 25.81 2688 2439816 2036328 11.85 216692 3541780 231212 01:26:01 PM 11454156 13701024 4687368 29.04 2688 2450144 2460992 14.32 249880 4022180 904 01:27:01 PM 12525648 15020592 3615876 22.40 2688 2696140 1143436 6.65 520636 2683172 8592 Average: 12316296 14506850 3825228 23.70 2688 2396659 1692042 9.84 281584 3145953 89997 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 60.12 46.03 968.03 8.07 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 437.14 290.62 4342.09 66.92 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 24.73 24.73 5.04 5.04 0.00 0.00 0.00 0.00 01:26:01 PM eth0 35.09 22.26 12.18 23.98 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 4.25 4.25 1.04 1.04 0.00 0.00 0.00 0.00 01:27:01 PM eth0 68.01 74.67 278.42 928.25 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 7.24 7.24 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 150.10 108.40 1400.30 256.80 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) 02/23/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 12.06 0.00 1.16 1.93 0.08 84.77 01:24:01 PM 0 8.42 0.00 0.87 0.88 0.07 89.76 01:24:01 PM 1 4.03 0.00 0.42 1.47 0.08 94.00 01:24:01 PM 2 8.61 0.00 0.99 1.97 0.07 88.37 01:24:01 PM 3 27.19 0.00 2.37 3.41 0.08 66.94 01:25:01 PM all 35.68 0.00 2.76 2.32 0.14 59.10 01:25:01 PM 0 34.33 0.00 1.85 0.55 0.12 63.15 01:25:01 PM 1 40.92 0.00 1.79 2.83 0.15 54.30 01:25:01 PM 2 39.93 0.00 4.43 3.26 0.17 52.21 01:25:01 PM 3 27.51 0.00 2.99 2.62 0.13 66.75 01:26:01 PM all 32.37 0.00 0.87 0.50 0.09 66.17 01:26:01 PM 0 36.10 0.00 0.69 0.08 0.10 63.03 01:26:01 PM 1 22.11 0.00 1.24 0.87 0.10 75.69 01:26:01 PM 2 31.64 0.00 1.09 1.02 0.10 66.15 01:26:01 PM 3 39.62 0.00 0.47 0.03 0.07 59.81 01:27:01 PM all 21.65 0.00 1.87 0.79 0.08 75.62 01:27:01 PM 0 10.56 0.00 2.07 1.67 0.08 85.61 01:27:01 PM 1 24.70 0.00 1.32 0.33 0.07 73.57 01:27:01 PM 2 14.22 0.00 1.96 0.75 0.07 83.01 01:27:01 PM 3 37.13 0.00 2.12 0.38 0.10 60.26 Average: all 25.43 0.00 1.66 1.38 0.10 71.43 Average: 0 22.33 0.00 1.37 0.80 0.09 75.41 Average: 1 22.93 0.00 1.19 1.38 0.10 74.40 Average: 2 23.58 0.00 2.11 1.75 0.10 72.46 Average: 3 32.87 0.00 1.99 1.61 0.10 63.44