---> uname -a: Linux prd-centos8-docker-4c-4g-732.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 804 12141 19 2817 14623 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:d9:b1:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.152/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fed9:b1fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5f:e2:b8:cd 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) 04/12/2026 _x86_64_ (4 CPU) 13:22:51 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 270.88 19.49 251.38 4133.16 14119.76 01:26:01 PM 42.60 1.73 40.87 64.91 8014.30 01:27:01 PM 59.36 3.15 56.21 139.71 9591.50 Average: 124.28 8.13 116.16 1446.00 10575.24 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 11726632 14012836 4414900 27.35 2688 2489580 2198892 12.79 235660 3767848 228436 01:26:01 PM 11360236 13651924 4781296 29.62 2688 2494752 2414336 14.04 253716 4111264 916 01:27:01 PM 12459284 15002204 3682248 22.81 2688 2743340 1193552 6.94 532028 2735720 9808 Average: 11848717 14222321 4292815 26.59 2688 2575891 1935593 11.26 340468 3538277 79720 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 448.80 303.85 4862.34 60.59 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 25.26 25.26 5.10 5.10 0.00 0.00 0.00 0.00 01:26:01 PM eth0 20.76 12.91 6.80 14.25 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 3.95 3.95 1.01 1.01 0.00 0.00 0.00 0.00 01:27:01 PM eth0 75.40 80.60 284.51 928.95 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 9.74 9.74 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 181.66 132.46 1717.96 334.56 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) 04/12/2026 _x86_64_ (4 CPU) 13:22:51 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 44.12 0.00 3.04 1.41 0.10 51.32 01:25:01 PM 0 41.45 0.00 3.28 1.74 0.12 53.41 01:25:01 PM 1 39.71 0.00 2.44 1.21 0.08 56.55 01:25:01 PM 2 53.33 0.00 3.45 1.05 0.10 42.07 01:25:01 PM 3 41.99 0.00 2.98 1.66 0.12 53.26 01:26:01 PM all 29.70 0.00 0.81 0.28 0.08 69.14 01:26:01 PM 0 28.90 0.00 1.02 0.35 0.08 69.64 01:26:01 PM 1 28.32 0.00 0.68 0.63 0.07 70.29 01:26:01 PM 2 26.11 0.00 0.94 0.13 0.08 72.73 01:26:01 PM 3 35.44 0.00 0.58 0.00 0.07 63.91 01:27:01 PM all 23.59 0.00 2.36 0.33 0.07 73.65 01:27:01 PM 0 10.62 0.00 1.60 0.03 0.08 87.66 01:27:01 PM 1 34.43 0.00 3.07 0.40 0.07 62.03 01:27:01 PM 2 32.68 0.00 2.67 0.13 0.07 64.45 01:27:01 PM 3 16.64 0.00 2.11 0.74 0.07 80.45 Average: all 32.46 0.00 2.07 0.67 0.08 64.72 Average: 0 26.97 0.00 1.97 0.71 0.09 70.26 Average: 1 34.15 0.00 2.07 0.75 0.07 62.96 Average: 2 37.36 0.00 2.35 0.44 0.08 59.76 Average: 3 31.35 0.00 1.89 0.80 0.08 65.88