---> uname -a: Linux prd-centos8-docker-4c-4g-1648.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 806 11906 19 3050 14611 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:85:f8:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.26/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85933sec preferred_lft 85933sec inet6 fe80::f816:3eff:fe85:f834/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6c:a5:5d:9d 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::42:6cff:fea5:5d9d/64 scope link 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) 03/04/2026 _x86_64_ (4 CPU) 17:02:59 LINUX RESTART (4 CPU) 05:04:01 PM tps rtps wtps bread/s bwrtn/s 05:05:02 PM 141.54 14.00 127.54 3029.79 9251.35 05:06:01 PM 163.62 7.34 156.28 1051.62 9004.58 05:07:01 PM 52.82 0.05 52.77 1.07 7970.27 05:08:01 PM 3.42 0.00 3.42 0.00 329.63 05:09:01 PM 55.38 3.45 51.93 639.97 13526.73 05:10:01 PM 43.10 0.18 42.92 5.33 5170.66 Average: 76.40 4.16 72.24 787.26 7538.61 05:04:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:05:02 PM 12887644 14839940 3253888 20.16 2688 2161452 1393652 8.11 158464 2714288 130340 05:06:01 PM 12027868 14156328 4113664 25.48 2688 2331996 1825904 10.62 235340 3466680 46320 05:07:01 PM 9818704 12129900 6322828 39.17 2688 2512816 3797372 22.09 261788 5638624 2220 05:08:01 PM 8790344 11107920 7351188 45.54 2688 2518944 4880484 28.39 263460 6661892 436 05:09:01 PM 6649260 9421828 9492272 58.81 2688 2963404 6877096 40.01 375876 8640172 25164 05:10:01 PM 10232664 12991956 5908868 36.61 2688 2949720 3348848 19.48 408060 5039612 10124 Average: 10067747 12441312 6073785 37.63 2688 2573055 3687226 21.45 283831 5360211 35767 05:04:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:05:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:05:02 PM eth0 103.08 79.91 1198.41 15.48 0.00 0.00 0.00 0.00 05:05:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:06:01 PM eth0 185.77 161.90 2045.21 28.20 0.00 0.00 0.00 0.00 05:06:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:07:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:07:01 PM eth0 220.98 143.06 2808.61 37.10 0.00 0.00 0.00 0.00 05:07:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:08:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:08:01 PM eth0 26.80 18.05 6.70 24.20 0.00 0.00 0.00 0.00 05:08:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:09:01 PM lo 10.38 10.38 1.17 1.17 0.00 0.00 0.00 0.00 05:09:01 PM eth0 187.08 110.26 2710.65 14.70 0.00 0.00 0.00 0.00 05:09:01 PM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 05:09:01 PM veth7cf9fec 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 05:09:01 PM br-6b4a0f725030 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 05:09:01 PM vethc0b4ac2 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 05:10:01 PM lo 12.96 12.96 26.67 26.67 0.00 0.00 0.00 0.00 05:10:01 PM eth0 20.09 13.65 124.82 22.81 0.00 0.00 0.00 0.00 05:10:01 PM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 05:10:01 PM veth7cf9fec 0.12 0.17 0.01 0.01 0.00 0.00 0.00 0.00 05:10:01 PM br-6b4a0f725030 5.88 5.71 25.63 0.94 0.00 0.00 0.00 0.00 Average: lo 3.90 3.90 4.65 4.65 0.00 0.00 0.00 0.00 Average: eth0 123.79 87.60 1480.89 23.74 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 Average: veth7cf9fec 0.04 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-6b4a0f725030 0.98 0.97 4.28 0.16 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) 03/04/2026 _x86_64_ (4 CPU) 17:02:59 LINUX RESTART (4 CPU) 05:04:01 PM CPU %user %nice %system %iowait %steal %idle 05:05:02 PM all 19.14 0.00 1.99 4.31 0.11 74.45 05:05:02 PM 0 13.54 0.00 2.74 8.38 0.10 75.23 05:05:02 PM 1 22.92 0.00 1.69 3.63 0.13 71.63 05:05:02 PM 2 27.17 0.00 2.31 2.82 0.12 67.59 05:05:02 PM 3 12.95 0.00 1.21 2.41 0.10 83.33 05:06:01 PM all 45.58 0.00 2.67 1.58 0.17 50.01 05:06:01 PM 0 45.68 0.00 2.90 1.72 0.17 49.53 05:06:01 PM 1 49.21 0.00 2.32 1.86 0.17 46.45 05:06:01 PM 2 42.26 0.00 2.81 1.50 0.19 53.24 05:06:01 PM 3 45.15 0.00 2.64 1.23 0.17 50.81 05:07:01 PM all 45.82 0.00 1.36 1.22 0.13 51.46 05:07:01 PM 0 48.04 0.00 1.35 0.05 0.13 50.42 05:07:01 PM 1 38.83 0.00 2.21 4.01 0.13 54.81 05:07:01 PM 2 49.41 0.00 0.92 0.05 0.12 49.51 05:07:01 PM 3 47.00 0.00 0.97 0.79 0.12 51.13 05:08:01 PM all 20.87 0.00 0.53 0.15 0.10 78.35 05:08:01 PM 0 28.00 0.00 0.75 0.00 0.12 71.13 05:08:01 PM 1 21.87 0.00 0.69 0.07 0.08 77.29 05:08:01 PM 2 13.78 0.00 0.35 0.13 0.10 85.64 05:08:01 PM 3 19.84 0.00 0.32 0.42 0.10 79.33 05:09:01 PM all 39.34 0.00 2.60 3.45 0.16 54.45 05:09:01 PM 0 37.98 0.00 2.56 3.85 0.15 55.45 05:09:01 PM 1 33.23 0.00 2.76 3.82 0.15 60.04 05:09:01 PM 2 33.23 0.00 2.70 3.51 0.18 60.37 05:09:01 PM 3 52.92 0.00 2.37 2.62 0.17 41.92 05:10:01 PM all 15.54 0.00 1.92 1.08 0.10 81.35 05:10:01 PM 0 14.88 0.00 1.35 0.32 0.10 83.35 05:10:01 PM 1 19.49 0.00 3.51 1.02 0.12 75.86 05:10:01 PM 2 14.68 0.00 1.34 0.82 0.08 83.07 05:10:01 PM 3 13.11 0.00 1.49 2.17 0.10 83.13 Average: all 31.00 0.00 1.84 1.97 0.13 65.06 Average: 0 31.31 0.00 1.94 2.39 0.13 64.23 Average: 1 30.87 0.00 2.19 2.40 0.13 64.41 Average: 2 30.06 0.00 1.74 1.47 0.13 66.60 Average: 3 31.78 0.00 1.50 1.60 0.13 64.99