---> uname -a: Linux prd-centos8-docker-4c-4g-1128.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 821 11542 19 3396 14590 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:2f:51:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.144/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85961sec preferred_lft 85961sec inet6 fe80::f816:3eff:fe2f:51fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:25:c4:ef: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 inet6 fe80::42:25ff:fec4:eff1/64 scope link 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) 07/20/2026 _x86_64_ (4 CPU) 05:58:56 LINUX RESTART (4 CPU) 06:00:01 AM tps rtps wtps bread/s bwrtn/s 06:01:01 AM 261.72 19.42 242.30 3865.93 16863.88 06:02:01 AM 111.33 2.81 108.51 272.88 6844.39 06:03:01 AM 27.94 0.00 27.94 0.00 6722.82 06:04:01 AM 2.88 1.70 1.18 51.06 183.19 06:05:01 AM 73.94 1.20 72.74 172.50 1425.46 06:06:01 AM 136.94 3.48 133.46 3337.15 21251.45 Average: 102.47 4.77 97.70 1283.05 8881.85 06:00:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:01:01 AM 12460464 14739444 3678856 22.79 2688 2479900 1376940 8.01 213244 3047616 137224 06:02:01 AM 11077352 13603120 5061968 31.36 2688 2721884 2447568 14.24 280728 4338988 191656 06:03:01 AM 10372048 12902688 5767272 35.73 2688 2726596 3004000 17.48 281124 5041584 1856 06:04:01 AM 9735916 12274212 6403404 39.68 2688 2733956 3577728 20.82 283572 5672044 2976 06:05:01 AM 12344472 15017320 3794848 23.51 2688 2864604 1128864 6.57 319740 3025172 115396 06:06:01 AM 11857268 14978000 4282052 26.53 2688 3294252 1131252 6.58 638040 3148276 7580 Average: 11307920 13919131 4831400 29.94 2688 2803532 2111059 12.28 336075 4045613 76115 06:00:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 AM eth0 341.91 276.21 3225.13 60.22 0.00 0.00 0.00 0.00 06:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 AM eth0 238.78 174.19 3516.97 27.91 0.00 0.00 0.00 0.00 06:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 AM eth0 123.37 80.33 37.64 53.35 0.00 0.00 0.00 0.00 06:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 AM eth0 92.38 68.71 23.42 31.92 0.00 0.00 0.00 0.00 06:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 AM lo 6.50 6.50 0.80 0.80 0.00 0.00 0.00 0.00 06:05:01 AM eth0 53.86 49.58 519.00 13.63 0.00 0.00 0.00 0.00 06:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 AM eth0 117.99 75.32 1834.76 63.39 0.00 0.00 0.00 0.00 06:06:01 AM docker0 8.30 6.78 19.27 2.40 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 161.42 120.75 1526.84 41.73 0.00 0.00 0.00 0.00 Average: docker0 1.38 1.13 3.21 0.40 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) 07/20/2026 _x86_64_ (4 CPU) 05:58:56 LINUX RESTART (4 CPU) 06:00:01 AM CPU %user %nice %system %iowait %steal %idle 06:01:01 AM all 36.80 0.00 3.26 1.42 0.11 58.40 06:01:01 AM 0 35.46 0.00 3.57 1.45 0.12 59.40 06:01:01 AM 1 31.14 0.00 3.79 2.21 0.10 62.76 06:01:01 AM 2 31.19 0.00 2.31 1.36 0.10 65.04 06:01:01 AM 3 49.50 0.00 3.36 0.66 0.12 46.36 06:02:01 AM all 68.07 0.00 1.94 0.40 0.12 29.48 06:02:01 AM 0 69.07 0.00 1.47 0.25 0.12 29.10 06:02:01 AM 1 66.72 0.00 1.85 0.62 0.12 30.70 06:02:01 AM 2 74.89 0.00 2.38 0.42 0.12 22.19 06:02:01 AM 3 61.57 0.00 2.05 0.32 0.12 35.94 06:03:01 AM all 34.13 0.00 1.47 0.08 0.08 64.25 06:03:01 AM 0 37.67 0.00 1.55 0.12 0.08 60.58 06:03:01 AM 1 34.45 0.00 1.19 0.00 0.07 64.30 06:03:01 AM 2 37.55 0.00 1.50 0.03 0.08 60.83 06:03:01 AM 3 26.84 0.00 1.64 0.15 0.08 71.29 06:04:01 AM all 29.67 0.00 1.32 0.02 0.08 68.91 06:04:01 AM 0 40.66 0.00 1.05 0.00 0.08 58.20 06:04:01 AM 1 19.75 0.00 1.04 0.02 0.07 79.13 06:04:01 AM 2 20.86 0.00 1.54 0.00 0.08 77.52 06:04:01 AM 3 37.40 0.00 1.65 0.07 0.08 60.79 06:05:01 AM all 55.85 0.00 2.53 0.30 0.13 41.19 06:05:01 AM 0 54.61 0.00 2.37 0.20 0.13 42.68 06:05:01 AM 1 47.87 0.00 2.95 0.60 0.13 48.45 06:05:01 AM 2 52.56 0.00 1.65 0.02 0.13 45.64 06:05:01 AM 3 68.34 0.00 3.14 0.37 0.13 28.02 06:06:01 AM all 20.06 0.00 3.05 0.74 0.08 76.07 06:06:01 AM 0 29.17 0.00 3.33 0.35 0.10 67.05 06:06:01 AM 1 17.03 0.00 3.35 1.12 0.07 78.43 06:06:01 AM 2 15.51 0.00 2.67 0.81 0.08 80.93 06:06:01 AM 3 18.53 0.00 2.83 0.67 0.07 77.90 Average: all 40.79 0.00 2.26 0.49 0.10 56.36 Average: 0 44.47 0.00 2.22 0.39 0.11 52.81 Average: 1 36.17 0.00 2.36 0.76 0.09 60.61 Average: 2 38.81 0.00 2.01 0.44 0.10 58.64 Average: 3 43.70 0.00 2.44 0.37 0.10 53.38