---> uname -a: Linux prd-centos8-docker-4c-4g-1829.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 810 11835 19 3116 14606 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:c0:22:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.124/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85976sec preferred_lft 85976sec inet6 fe80::f816:3eff:fec0:2255/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7c:c5:d0:ca 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::42:7cff:fec5:d0ca/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) 04/15/2026 _x86_64_ (4 CPU) 09:46:18 LINUX RESTART (4 CPU) 09:47:03 AM tps rtps wtps bread/s bwrtn/s 09:48:01 AM 157.26 15.43 141.83 3318.17 9096.40 09:49:01 AM 191.29 7.40 183.89 1034.82 12552.04 09:50:01 AM 29.87 0.00 29.87 0.00 7723.09 09:51:01 AM 5.43 1.80 3.63 56.52 382.60 09:52:01 AM 84.92 1.68 83.24 515.43 16190.04 09:53:01 AM 29.59 0.42 29.17 56.11 1028.59 Average: 82.65 4.39 78.26 816.31 7822.05 09:47:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:48:01 AM 12794236 14825240 3347296 20.74 2688 2239524 1379252 8.02 160188 2802792 230932 09:49:01 AM 10837004 13214700 5304528 32.86 2688 2579368 2833408 16.48 251768 4632812 222136 09:50:01 AM 10197580 12580008 5943952 36.82 2688 2583924 3327868 19.36 262820 5257128 1784 09:51:01 AM 9516988 11909232 6624544 41.04 2688 2593308 3951452 22.99 266704 5931240 180 09:52:01 AM 7873140 10698704 8268392 51.22 2688 3016036 11539276 67.13 405384 7362228 32 09:53:01 AM 12125084 14959284 4016448 24.88 2688 3024532 1166592 6.79 585968 2973256 24892 Average: 10557339 13031195 5584193 34.60 2688 2672782 4032975 23.46 322139 4826576 79993 09:47:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:48:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:48:01 AM eth0 160.88 122.46 1871.77 21.15 0.00 0.00 0.00 0.00 09:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 AM eth0 329.25 261.39 4700.64 34.47 0.00 0.00 0.00 0.00 09:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 AM eth0 20.44 19.14 4.96 28.38 0.00 0.00 0.00 0.00 09:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:51:01 AM eth0 21.46 17.91 4.66 19.13 0.00 0.00 0.00 0.00 09:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:52:01 AM lo 15.38 15.38 27.15 27.15 0.00 0.00 0.00 0.00 09:52:01 AM eth0 206.78 113.31 2830.94 11.46 0.00 0.00 0.00 0.00 09:52:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 09:52:01 AM vethabd02d2 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 09:52:01 AM br-32990db4a001 5.81 5.65 25.62 0.94 0.00 0.00 0.00 0.00 09:52:01 AM veth68454ae 10.90 11.71 26.56 26.62 0.00 0.00 0.00 0.00 09:53:01 AM lo 1.93 1.93 0.14 0.14 0.00 0.00 0.00 0.00 09:53:01 AM eth0 17.84 14.66 13.13 6.72 0.00 0.00 0.00 0.00 09:53:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.90 2.90 4.57 4.57 0.00 0.00 0.00 0.00 Average: eth0 125.92 91.31 1569.47 20.21 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) 04/15/2026 _x86_64_ (4 CPU) 09:46:18 LINUX RESTART (4 CPU) 09:47:03 AM CPU %user %nice %system %iowait %steal %idle 09:48:01 AM all 22.95 0.00 2.35 1.14 0.10 73.46 09:48:01 AM 0 24.28 0.00 2.51 0.98 0.10 72.13 09:48:01 AM 1 22.20 0.00 2.42 0.69 0.10 74.58 09:48:01 AM 2 21.91 0.00 2.78 1.53 0.09 73.70 09:48:01 AM 3 23.41 0.00 1.68 1.35 0.10 73.45 09:49:01 AM all 57.63 0.00 2.96 1.01 0.15 38.25 09:49:01 AM 0 56.17 0.00 3.13 0.84 0.15 39.71 09:49:01 AM 1 55.73 0.00 2.67 0.52 0.15 40.93 09:49:01 AM 2 60.01 0.00 1.99 0.62 0.17 37.22 09:49:01 AM 3 58.61 0.00 4.04 2.08 0.13 35.14 09:50:01 AM all 33.68 0.00 0.63 0.37 0.10 65.23 09:50:01 AM 0 35.95 0.00 0.42 0.05 0.10 63.48 09:50:01 AM 1 37.87 0.00 0.92 0.28 0.10 60.83 09:50:01 AM 2 28.99 0.00 0.62 1.14 0.10 69.15 09:50:01 AM 3 31.89 0.00 0.55 0.00 0.10 67.46 09:51:01 AM all 30.51 0.00 0.69 0.04 0.10 68.67 09:51:01 AM 0 25.46 0.00 0.53 0.00 0.10 73.90 09:51:01 AM 1 26.11 0.00 0.45 0.03 0.08 73.32 09:51:01 AM 2 17.18 0.00 0.54 0.05 0.10 82.13 09:51:01 AM 3 53.27 0.00 1.22 0.07 0.10 45.34 09:52:01 AM all 35.47 0.00 3.70 1.64 0.13 59.06 09:52:01 AM 0 39.23 0.00 3.68 1.47 0.13 55.49 09:52:01 AM 1 37.38 0.00 4.12 2.13 0.13 56.24 09:52:01 AM 2 29.70 0.00 3.82 1.11 0.13 65.23 09:52:01 AM 3 35.59 0.00 3.17 1.84 0.13 59.27 09:53:01 AM all 23.74 0.00 1.57 0.12 0.10 74.47 09:53:01 AM 0 28.70 0.00 2.41 0.15 0.12 68.63 09:53:01 AM 1 24.96 0.00 1.14 0.17 0.10 73.63 09:53:01 AM 2 20.88 0.00 2.01 0.13 0.08 76.90 09:53:01 AM 3 20.42 0.00 0.74 0.03 0.10 78.71 Average: all 34.06 0.00 1.98 0.71 0.11 63.14 Average: 0 35.01 0.00 2.11 0.58 0.12 62.19 Average: 1 34.11 0.00 1.95 0.63 0.11 63.20 Average: 2 29.83 0.00 1.95 0.76 0.11 67.35 Average: 3 37.27 0.00 1.90 0.89 0.11 59.83