---> uname -a: Linux prd-centos8-docker-4c-4g-13436.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 764 12077 19 2918 14658 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:a4:b0:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.124/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86113sec preferred_lft 86113sec inet6 fe80::f816:3eff:fea4:b027/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:21:9a:c9:e6 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/15/2026 _x86_64_ (4 CPU) 13:23:20 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 94.24 1.23 93.00 276.84 7433.74 01:26:01 PM 268.80 18.67 250.12 3968.15 20269.93 01:27:01 PM 24.76 1.60 23.16 62.51 1906.85 01:28:01 PM 59.72 1.62 58.11 122.78 9692.90 Average: 111.89 5.78 106.11 1107.73 9826.30 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13119620 15117652 3019700 18.71 2688 2206392 1144116 6.66 143708 2495800 313864 01:26:01 PM 11736256 14124784 4403064 27.28 2688 2589236 1984360 11.55 241596 3738636 48868 01:27:01 PM 11308604 13701208 4830716 29.93 2688 2593068 2647364 15.40 255548 4149148 892 01:28:01 PM 12390952 15034100 3748368 23.23 2688 2840944 1120496 6.52 539664 2785144 8340 Average: 12138858 14494436 4000462 24.79 2688 2557410 1724084 10.03 295129 3292182 92991 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 128.72 83.57 1750.73 28.57 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:26:01 PM eth0 394.77 282.56 4163.58 62.29 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 25.52 25.52 5.13 5.13 0.00 0.00 0.00 0.00 01:27:01 PM eth0 35.17 19.13 12.56 23.30 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 01:28:01 PM lo 3.27 3.27 0.94 0.94 0.00 0.00 0.00 0.00 01:28:01 PM eth0 83.69 85.37 285.21 931.09 0.00 0.00 0.00 0.00 01:28:01 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 160.60 117.66 1553.18 261.28 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/15/2026 _x86_64_ (4 CPU) 13:23:20 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 18.09 0.00 1.78 2.65 0.07 77.41 01:25:01 PM 0 26.32 0.00 2.33 4.50 0.08 66.76 01:25:01 PM 1 9.48 0.00 1.40 0.45 0.07 88.59 01:25:01 PM 2 21.18 0.00 1.92 4.30 0.07 72.52 01:25:01 PM 3 15.33 0.00 1.47 1.34 0.07 81.80 01:26:01 PM all 46.94 0.00 2.77 2.42 0.14 47.72 01:26:01 PM 0 46.75 0.00 2.79 1.82 0.13 48.50 01:26:01 PM 1 39.65 0.00 2.81 2.24 0.15 55.15 01:26:01 PM 2 52.65 0.00 2.22 2.29 0.13 42.70 01:26:01 PM 3 48.72 0.00 3.25 3.33 0.15 44.55 01:27:01 PM all 21.88 0.00 0.69 0.15 0.06 77.22 01:27:01 PM 0 20.06 0.00 0.85 0.17 0.07 78.86 01:27:01 PM 1 12.24 0.00 0.92 0.44 0.07 86.34 01:27:01 PM 2 26.95 0.00 0.60 0.00 0.07 72.38 01:27:01 PM 3 28.23 0.00 0.38 0.02 0.05 71.32 01:28:01 PM all 24.88 0.00 2.17 0.53 0.08 72.34 01:28:01 PM 0 42.13 0.00 2.70 0.13 0.10 54.93 01:28:01 PM 1 21.07 0.00 1.99 0.27 0.08 76.59 01:28:01 PM 2 25.54 0.00 2.42 0.35 0.08 71.61 01:28:01 PM 3 10.72 0.00 1.58 1.36 0.07 86.28 Average: all 27.94 0.00 1.85 1.44 0.09 68.68 Average: 0 33.81 0.00 2.17 1.66 0.10 62.27 Average: 1 20.61 0.00 1.78 0.85 0.09 76.67 Average: 2 31.58 0.00 1.79 1.73 0.09 64.80 Average: 3 25.75 0.00 1.67 1.51 0.08 70.98