---> uname -a: Linux prd-centos8-docker-4c-4g-8759.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 818 11464 19 3478 14593 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:64:ae:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85894sec preferred_lft 85894sec inet6 fe80::f816:3eff:fe64:aed4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:17:ad:78:65 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::42:17ff:fead:7865/64 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) 06/06/2026 _x86_64_ (4 CPU) 08:03:07 LINUX RESTART (4 CPU) 08:04:01 AM tps rtps wtps bread/s bwrtn/s 08:05:01 AM 130.72 14.73 115.99 3099.50 9548.87 08:06:01 AM 183.54 7.31 176.22 1039.12 12092.44 08:07:01 AM 32.48 0.00 32.48 0.00 7814.87 08:08:01 AM 11.21 1.05 10.16 113.43 319.99 08:09:01 AM 83.56 2.37 81.19 477.44 16101.22 08:10:01 AM 16.99 1.23 15.76 1591.34 1986.79 08:11:01 AM 107.86 0.08 107.78 9.86 8291.74 Average: 80.91 3.82 77.09 904.40 8022.15 08:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:05:01 AM 12865724 14979528 3273596 20.28 2688 2320260 1246116 7.25 160896 2721832 215916 08:06:01 AM 11402420 13870716 4736900 29.35 2688 2667488 2147612 12.49 254620 4054608 221740 08:07:01 AM 10714772 13186352 5424548 33.61 2688 2670652 2695424 15.68 264324 4730380 836 08:08:01 AM 9793016 12286216 6346304 39.32 2688 2691560 3590572 20.89 273636 5635872 3928 08:09:01 AM 9138140 12054100 7001180 43.38 2688 3104044 4552388 26.49 397812 6121088 980 08:10:01 AM 10939928 14105816 5199392 32.22 2688 3353084 2493792 14.51 457556 4266268 163576 08:11:01 AM 11781848 14979176 4357472 27.00 2688 3375060 1714380 9.97 661932 3206248 15292 Average: 10947978 13637415 5191342 32.17 2688 2883164 2634326 15.33 352968 4390899 88895 08:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 90.24 68.23 1109.30 17.24 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 340.94 277.86 4815.12 39.72 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM eth0 133.70 91.47 41.48 56.18 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 3.40 3.40 0.47 0.47 0.00 0.00 0.00 0.00 08:08:01 AM eth0 123.48 78.77 37.56 50.20 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM lo 13.45 13.45 26.83 26.83 0.00 0.00 0.00 0.00 08:09:01 AM eth0 116.89 83.54 2825.84 10.78 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 08:09:01 AM vetha47e811 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 08:09:01 AM br-ca03aeeb110a 5.73 5.63 25.61 0.94 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.85 0.85 0.04 0.04 0.00 0.00 0.00 0.00 08:10:01 AM eth0 204.48 151.29 3145.43 13.55 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 69.09 46.14 10.39 248.31 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.53 2.53 3.90 3.90 0.00 0.00 0.00 0.00 Average: eth0 154.11 113.90 1712.19 62.29 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 06/06/2026 _x86_64_ (4 CPU) 08:03:07 LINUX RESTART (4 CPU) 08:04:01 AM CPU %user %nice %system %iowait %steal %idle 08:05:01 AM all 15.35 0.00 1.52 9.82 0.07 73.24 08:05:01 AM 0 22.78 0.00 1.70 7.85 0.08 67.58 08:05:01 AM 1 14.67 0.00 1.65 10.65 0.05 72.98 08:05:01 AM 2 9.62 0.00 1.00 16.69 0.07 72.62 08:05:01 AM 3 14.34 0.00 1.72 4.11 0.07 79.77 08:06:01 AM all 57.41 0.00 2.11 1.22 0.11 39.15 08:06:01 AM 0 54.65 0.00 3.46 2.32 0.10 39.46 08:06:01 AM 1 62.56 0.00 1.42 1.19 0.12 34.71 08:06:01 AM 2 54.21 0.00 1.76 0.45 0.10 43.48 08:06:01 AM 3 58.21 0.00 1.80 0.94 0.12 38.94 08:07:01 AM all 27.73 0.00 1.26 0.51 0.08 70.42 08:07:01 AM 0 33.64 0.00 0.92 0.02 0.07 65.36 08:07:01 AM 1 21.16 0.00 1.59 0.40 0.07 76.79 08:07:01 AM 2 30.82 0.00 1.19 0.55 0.08 67.36 08:07:01 AM 3 25.32 0.00 1.34 1.07 0.08 72.19 08:08:01 AM all 33.44 0.00 1.46 0.04 0.08 64.99 08:08:01 AM 0 19.72 0.00 1.79 0.05 0.08 78.36 08:08:01 AM 1 55.66 0.00 1.74 0.05 0.08 42.47 08:08:01 AM 2 30.46 0.00 1.42 0.03 0.07 68.02 08:08:01 AM 3 27.91 0.00 0.88 0.02 0.07 71.12 08:09:01 AM all 30.82 0.00 3.02 0.65 0.09 65.43 08:09:01 AM 0 30.46 0.00 2.99 0.34 0.08 66.13 08:09:01 AM 1 41.72 0.00 2.65 0.89 0.08 54.66 08:09:01 AM 2 23.48 0.00 3.52 1.04 0.08 71.87 08:09:01 AM 3 27.56 0.00 2.93 0.32 0.10 69.10 08:10:01 AM all 41.88 0.00 1.20 0.10 0.08 56.75 08:10:01 AM 0 42.25 0.00 1.37 0.18 0.08 56.11 08:10:01 AM 1 40.78 0.00 1.39 0.07 0.08 57.68 08:10:01 AM 2 44.19 0.00 1.29 0.05 0.08 54.39 08:10:01 AM 3 40.30 0.00 0.75 0.08 0.07 58.80 08:11:01 AM all 59.70 0.00 1.59 0.42 0.09 38.20 08:11:01 AM 0 36.30 0.00 1.84 1.50 0.10 60.26 08:11:01 AM 1 75.00 0.00 3.32 0.03 0.10 21.55 08:11:01 AM 2 69.72 0.00 0.52 0.00 0.08 29.68 08:11:01 AM 3 57.94 0.00 0.70 0.13 0.08 41.14 Average: all 38.05 0.00 1.73 1.82 0.08 58.31 Average: 0 34.26 0.00 2.01 1.75 0.09 61.90 Average: 1 44.46 0.00 1.96 1.90 0.08 51.59 Average: 2 37.52 0.00 1.52 2.69 0.08 58.18 Average: 3 35.95 0.00 1.44 0.95 0.08 61.57