---> uname -a: Linux prd-centos8-docker-4c-4g-48.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: 2799.996 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: 15763 1579 10570 19 3612 13835 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:f1:95:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.6/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85953sec preferred_lft 85953sec inet6 fe80::f816:3eff:fef1:9598/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4f:ec:e4:6f 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::42:4fff:feec:e46f/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) 05/16/2026 _x86_64_ (4 CPU) 00:32:52 LINUX RESTART (4 CPU) 12:34:01 AM tps rtps wtps bread/s bwrtn/s 12:35:01 AM 225.59 20.28 205.31 4026.92 28709.26 12:36:01 AM 105.07 1.73 103.33 113.45 11323.05 12:37:01 AM 6.17 0.05 6.12 1.07 387.49 12:38:01 AM 50.13 3.45 46.68 762.68 13520.76 12:39:01 AM 56.41 0.12 56.29 2.40 5276.07 12:40:01 AM 29.79 3.03 26.76 129.69 2042.22 Average: 78.86 4.78 74.08 839.32 10209.50 12:34:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:35:01 AM 11856784 14471440 4284748 26.54 2688 2818828 1535144 8.93 221784 3655216 99628 12:36:01 AM 9743944 12585424 6397588 39.63 2688 3041780 3298644 19.19 289552 5679816 3380 12:37:01 AM 9624652 12470448 6516880 40.37 2688 3045992 3346456 19.47 289732 5798184 1192 12:38:01 AM 6992200 10275660 9149332 56.68 2688 3473108 6087732 35.41 391688 8275356 3240 12:39:01 AM 10218884 13533304 5922648 36.69 2688 3503368 2632596 15.31 435080 5017472 23648 12:40:01 AM 10899560 14241568 5241972 32.48 2688 3530056 1836020 10.68 677580 4099524 24348 Average: 9889337 12929641 6252195 38.73 2688 3235522 3122765 18.17 384236 5420928 25906 12:34:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 680.51 334.56 10001.33 47.40 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 233.46 163.74 3334.34 35.61 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 245.08 168.51 72.07 82.00 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 3.87 3.87 0.50 0.50 0.00 0.00 0.00 0.00 12:38:01 AM eth0 240.15 145.20 2720.41 24.80 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 12:38:01 AM veth47c78ca 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-0f37da0cf92e 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:38:01 AM veth06d4aec 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:39:01 AM lo 13.00 13.00 26.78 26.78 0.00 0.00 0.00 0.00 12:39:01 AM eth0 32.80 31.52 365.23 5.37 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:39:01 AM veth47c78ca 0.12 0.17 0.01 0.01 0.00 0.00 0.00 0.00 12:39:01 AM br-0f37da0cf92e 5.69 5.54 25.59 0.93 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM eth0 261.13 149.18 395.77 211.32 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.81 2.81 4.55 4.55 0.00 0.00 0.00 0.00 Average: eth0 282.16 165.44 2814.65 67.74 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 05/16/2026 _x86_64_ (4 CPU) 00:32:52 LINUX RESTART (4 CPU) 12:34:01 AM CPU %user %nice %system %iowait %steal %idle 12:35:01 AM all 37.09 0.00 2.33 1.62 0.10 58.86 12:35:01 AM 0 37.33 0.00 3.41 2.06 0.10 57.10 12:35:01 AM 1 35.84 0.00 1.62 0.97 0.12 61.45 12:35:01 AM 2 34.65 0.00 2.26 1.69 0.10 61.29 12:35:01 AM 3 40.51 0.00 2.02 1.76 0.10 55.61 12:36:01 AM all 63.29 0.00 1.90 0.53 0.12 34.16 12:36:01 AM 0 61.40 0.00 2.22 0.79 0.12 35.48 12:36:01 AM 1 67.61 0.00 1.70 0.42 0.12 30.15 12:36:01 AM 2 60.24 0.00 1.72 0.65 0.12 37.27 12:36:01 AM 3 63.91 0.00 1.94 0.27 0.12 33.76 12:37:01 AM all 17.22 0.00 1.30 0.01 0.07 81.40 12:37:01 AM 0 19.89 0.00 0.87 0.02 0.07 79.16 12:37:01 AM 1 20.07 0.00 1.14 0.00 0.07 78.73 12:37:01 AM 2 14.66 0.00 1.59 0.00 0.07 83.68 12:37:01 AM 3 14.23 0.00 1.62 0.03 0.07 84.04 12:38:01 AM all 39.36 0.00 2.43 0.59 0.10 57.51 12:38:01 AM 0 53.16 0.00 2.16 0.17 0.12 44.40 12:38:01 AM 1 30.32 0.00 2.51 0.60 0.10 66.46 12:38:01 AM 2 29.61 0.00 2.15 0.79 0.10 67.35 12:38:01 AM 3 44.34 0.00 2.92 0.82 0.10 51.82 12:39:01 AM all 17.85 0.00 1.88 0.23 0.08 79.95 12:39:01 AM 0 16.69 0.00 1.97 0.22 0.08 81.03 12:39:01 AM 1 21.86 0.00 2.97 0.42 0.07 74.68 12:39:01 AM 2 15.08 0.00 1.14 0.07 0.08 83.63 12:39:01 AM 3 17.77 0.00 1.44 0.23 0.08 80.47 12:40:01 AM all 36.46 0.00 1.58 0.10 0.08 61.78 12:40:01 AM 0 43.72 0.00 1.72 0.08 0.10 54.38 12:40:01 AM 1 41.49 0.00 1.79 0.13 0.08 56.51 12:40:01 AM 2 18.16 0.00 1.19 0.17 0.08 80.40 12:40:01 AM 3 42.41 0.00 1.62 0.03 0.07 55.87 Average: all 35.21 0.00 1.90 0.52 0.09 62.28 Average: 0 38.70 0.00 2.06 0.55 0.10 58.59 Average: 1 36.20 0.00 1.96 0.42 0.09 61.33 Average: 2 28.73 0.00 1.67 0.56 0.09 68.94 Average: 3 37.20 0.00 1.93 0.52 0.09 60.26