---> uname -a: Linux prd-centos8-docker-4c-4g-2645.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 823 11565 19 3373 14590 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:73:67:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.91/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85924sec preferred_lft 85924sec inet6 fe80::f816:3eff:fe73:6786/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e1:1a:5b:23 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:e1ff:fe1a:5b23/64 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) 04/18/2026 _x86_64_ (4 CPU) 08:02:41 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 379.27 22.33 356.94 4521.38 10193.93 08:05:01 AM 225.11 7.35 217.76 1038.99 14765.29 08:06:01 AM 32.41 0.05 32.36 1.07 7775.84 08:07:01 AM 11.30 1.05 10.25 113.45 382.92 08:08:01 AM 86.05 2.55 83.51 575.01 18515.66 08:09:01 AM 17.94 1.22 16.73 1590.67 2348.07 08:10:01 AM 175.30 0.07 175.24 9.73 8041.68 Average: 132.48 4.94 127.54 1121.44 8860.67 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12929740 14937980 3211792 19.90 2688 2217908 1427000 8.30 159388 2678972 276408 08:05:01 AM 11660716 14032452 4480816 27.76 2688 2573500 2180416 12.68 248520 3813340 221512 08:06:01 AM 10510452 12885472 5631080 34.89 2688 2576564 2846132 16.56 263772 4944964 1076 08:07:01 AM 9107632 11503416 7033900 43.58 2688 2596712 4256520 24.76 273056 6331464 2044 08:08:01 AM 8427372 11249752 7714160 47.79 2688 3013052 4629840 26.93 406668 6837168 980 08:09:01 AM 11255272 14315016 4886260 30.27 2688 3249880 1708308 9.94 462596 3962376 140684 08:10:01 AM 11914416 15006556 4227116 26.19 2688 3275736 1097632 6.39 663488 3088624 11788 Average: 10829371 13418663 5312161 32.91 2688 2786193 2592264 15.08 353927 4522415 93499 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 153.04 108.45 1866.49 38.18 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 355.48 288.62 4933.53 40.21 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 199.03 130.52 68.44 73.09 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 3.28 3.28 0.46 0.46 0.00 0.00 0.00 0.00 08:07:01 AM eth0 157.19 91.93 57.53 64.08 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 13.61 13.61 26.70 26.70 0.00 0.00 0.00 0.00 08:08:01 AM eth0 185.12 105.83 2827.39 13.48 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 veth415aa68 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-91e401cbe65b 5.91 5.70 25.62 0.94 0.00 0.00 0.00 0.00 08:09:01 AM lo 1.08 1.08 0.05 0.05 0.00 0.00 0.00 0.00 08:09:01 AM eth0 162.43 123.58 3051.46 10.92 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.07 0.08 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 70.42 44.34 9.11 239.94 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 2.57 2.57 3.89 3.89 0.00 0.00 0.00 0.00 Average: eth0 183.25 127.61 1830.65 68.55 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) 04/18/2026 _x86_64_ (4 CPU) 08:02:41 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 23.38 0.00 2.55 1.78 0.08 72.21 08:04:01 AM 0 18.39 0.00 1.77 0.33 0.10 79.41 08:04:01 AM 1 33.06 0.00 3.06 1.39 0.07 62.43 08:04:01 AM 2 18.71 0.00 3.10 3.97 0.08 74.13 08:04:01 AM 3 23.35 0.00 2.26 1.46 0.07 72.87 08:05:01 AM all 53.94 0.00 2.19 1.30 0.11 42.45 08:05:01 AM 0 67.67 0.00 1.08 0.87 0.10 30.28 08:05:01 AM 1 53.05 0.00 2.69 1.45 0.12 42.69 08:05:01 AM 2 51.00 0.00 2.41 1.29 0.12 45.19 08:05:01 AM 3 44.01 0.00 2.59 1.61 0.10 51.69 08:06:01 AM all 34.18 0.00 1.37 0.18 0.07 64.20 08:06:01 AM 0 38.93 0.00 0.83 0.05 0.07 60.12 08:06:01 AM 1 27.58 0.00 1.59 0.03 0.07 70.74 08:06:01 AM 2 31.72 0.00 1.62 0.57 0.08 66.00 08:06:01 AM 3 38.49 0.00 1.45 0.05 0.07 59.94 08:07:01 AM all 31.46 0.00 1.47 0.03 0.07 66.98 08:07:01 AM 0 21.89 0.00 1.57 0.00 0.08 76.45 08:07:01 AM 1 47.35 0.00 1.94 0.05 0.07 50.59 08:07:01 AM 2 23.48 0.00 1.30 0.05 0.07 75.10 08:07:01 AM 3 33.10 0.00 1.08 0.00 0.05 65.77 08:08:01 AM all 35.12 0.00 3.50 0.70 0.09 60.59 08:08:01 AM 0 37.73 0.00 3.39 1.11 0.08 57.68 08:08:01 AM 1 30.20 0.00 2.69 0.47 0.10 66.54 08:08:01 AM 2 28.51 0.00 2.76 0.52 0.08 68.12 08:08:01 AM 3 44.00 0.00 5.17 0.71 0.08 50.04 08:09:01 AM all 35.27 0.00 1.08 0.08 0.08 63.49 08:09:01 AM 0 34.03 0.00 1.03 0.08 0.07 64.79 08:09:01 AM 1 37.64 0.00 1.45 0.05 0.08 60.78 08:09:01 AM 2 33.68 0.00 1.20 0.18 0.08 64.85 08:09:01 AM 3 35.75 0.00 0.63 0.02 0.07 63.54 08:10:01 AM all 64.75 0.00 1.61 0.50 0.10 33.04 08:10:01 AM 0 75.21 0.00 1.45 1.44 0.08 21.81 08:10:01 AM 1 76.94 0.00 3.16 0.25 0.12 19.54 08:10:01 AM 2 49.39 0.00 1.10 0.07 0.10 49.34 08:10:01 AM 3 57.46 0.00 0.75 0.27 0.08 41.44 Average: all 39.73 0.00 1.97 0.65 0.08 57.56 Average: 0 41.98 0.00 1.59 0.55 0.08 55.80 Average: 1 43.70 0.00 2.37 0.53 0.09 53.32 Average: 2 33.80 0.00 1.93 0.95 0.09 63.24 Average: 3 39.45 0.00 1.99 0.59 0.07 57.90