---> uname -a: Linux prd-centos8-docker-4c-4g-3633.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 827 11560 19 3375 14586 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:65:77:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.10/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85928sec preferred_lft 85928sec inet6 fe80::f816:3eff:fe65:7756/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:83:38:d4:cc 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::42:83ff:fe38:d4cc/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) 04/04/2026 _x86_64_ (4 CPU) 08:02:28 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 219.62 19.00 200.62 3368.66 10533.21 08:05:01 AM 134.09 3.23 130.86 778.54 11634.34 08:06:01 AM 25.36 0.05 25.31 1.07 6368.29 08:07:01 AM 14.80 2.90 11.90 255.02 336.36 08:08:01 AM 84.14 0.75 83.39 533.02 18631.86 08:09:01 AM 22.09 1.22 20.88 1590.67 7298.23 08:10:01 AM 136.24 0.42 135.83 56.12 3283.87 Average: 90.92 3.94 86.98 940.68 8298.54 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12741576 14821116 3399956 21.06 2688 2286180 1274216 7.41 167940 2837952 231352 08:05:01 AM 11058236 13429008 5083296 31.49 2688 2572448 2564268 14.92 263476 4398996 183520 08:06:01 AM 10805424 13180604 5336108 33.06 2688 2576648 2764184 16.08 263692 4650644 2492 08:07:01 AM 9736300 12136392 6405232 39.68 2688 2600812 3733400 21.72 275236 5700656 4484 08:08:01 AM 9117260 11940688 7024272 43.52 2688 3013972 4155328 24.17 406336 6144796 976 08:09:01 AM 10714384 13795276 5427148 33.62 2688 3269728 2212188 12.87 463228 4497288 13588 08:10:01 AM 11823812 14921332 4317720 26.75 2688 3283636 1194796 6.95 669016 3178708 23124 Average: 10856713 13460631 5284819 32.74 2688 2800489 2556911 14.87 358418 4487006 65648 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 214.17 175.62 2519.63 35.67 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 295.30 213.00 3999.29 32.38 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 286.17 192.00 90.64 91.51 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 3.92 3.92 0.51 0.51 0.00 0.00 0.00 0.00 08:07:01 AM eth0 125.10 90.45 39.64 50.93 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 12.60 12.60 26.60 26.60 0.00 0.00 0.00 0.00 08:08:01 AM eth0 171.88 93.69 2828.11 8.59 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM vethcbe9ed3 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-e872e8f4423f 5.46 5.46 25.60 0.92 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.92 0.92 0.06 0.06 0.00 0.00 0.00 0.00 08:09:01 AM eth0 227.31 144.55 3055.95 13.01 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 97.00 53.19 19.37 243.18 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.49 2.49 3.88 3.88 0.00 0.00 0.00 0.00 Average: eth0 202.42 137.50 1793.41 67.89 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) 04/04/2026 _x86_64_ (4 CPU) 08:02:28 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 26.11 0.00 2.37 1.60 0.09 69.83 08:04:01 AM 0 32.81 0.00 2.72 1.17 0.08 63.23 08:04:01 AM 1 23.35 0.00 1.89 1.08 0.08 73.59 08:04:01 AM 2 30.98 0.00 3.47 3.55 0.10 61.90 08:04:01 AM 3 17.30 0.00 1.41 0.60 0.08 80.61 08:05:01 AM all 62.65 0.00 1.86 0.57 0.11 34.80 08:05:01 AM 0 60.13 0.00 3.01 0.94 0.12 35.81 08:05:01 AM 1 57.29 0.00 2.17 0.90 0.12 39.52 08:05:01 AM 2 65.95 0.00 1.20 0.42 0.12 32.32 08:05:01 AM 3 67.22 0.00 1.07 0.03 0.10 31.58 08:06:01 AM all 19.59 0.00 1.30 0.24 0.07 78.80 08:06:01 AM 0 19.56 0.00 1.35 0.33 0.07 78.69 08:06:01 AM 1 19.03 0.00 1.55 0.08 0.08 79.26 08:06:01 AM 2 20.41 0.00 1.24 0.55 0.05 77.75 08:06:01 AM 3 19.39 0.00 1.05 0.00 0.07 79.49 08:07:01 AM all 38.36 0.00 1.44 0.03 0.09 60.09 08:07:01 AM 0 55.36 0.00 1.35 0.03 0.10 43.16 08:07:01 AM 1 43.18 0.00 1.52 0.05 0.10 55.15 08:07:01 AM 2 28.05 0.00 1.40 0.02 0.10 70.43 08:07:01 AM 3 26.82 0.00 1.47 0.02 0.07 71.62 08:08:01 AM all 23.17 0.00 3.31 0.73 0.09 72.71 08:08:01 AM 0 19.68 0.00 2.87 0.86 0.10 76.49 08:08:01 AM 1 29.78 0.00 3.24 0.64 0.10 66.24 08:08:01 AM 2 20.37 0.00 3.16 0.39 0.07 76.02 08:08:01 AM 3 22.84 0.00 3.96 1.02 0.08 72.09 08:09:01 AM all 55.49 0.00 1.34 0.13 0.09 42.96 08:09:01 AM 0 41.90 0.00 1.47 0.27 0.08 56.28 08:09:01 AM 1 60.49 0.00 1.14 0.08 0.08 38.21 08:09:01 AM 2 60.55 0.00 1.00 0.07 0.10 38.28 08:09:01 AM 3 59.01 0.00 1.75 0.10 0.08 39.05 08:10:01 AM all 49.56 0.00 1.76 0.37 0.09 48.22 08:10:01 AM 0 27.46 0.00 1.58 0.20 0.10 70.65 08:10:01 AM 1 65.50 0.00 1.85 0.25 0.08 32.31 08:10:01 AM 2 51.96 0.00 1.07 0.00 0.08 46.89 08:10:01 AM 3 53.36 0.00 2.54 1.04 0.08 42.98 Average: all 39.29 0.00 1.91 0.52 0.09 58.19 Average: 0 36.71 0.00 2.05 0.54 0.09 60.61 Average: 1 42.66 0.00 1.91 0.44 0.09 54.90 Average: 2 39.77 0.00 1.79 0.71 0.09 57.64 Average: 3 38.01 0.00 1.89 0.40 0.08 59.61