---> uname -a: Linux prd-centos8-docker-4c-4g-1900.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: 2799.974 BogoMIPS: 5599.94 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 859 11608 19 3294 14554 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:0d:8d:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.123/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85922sec preferred_lft 85922sec inet6 fe80::f816:3eff:fe0d:8dbd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9e:c9:2c:bb 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::42:9eff:fec9:2cbb/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) 03/14/2026 _x86_64_ (4 CPU) 08:02:19 LINUX RESTART (4 CPU) 08:03:02 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 229.13 19.86 209.26 3916.82 11073.23 08:05:01 AM 115.90 1.98 113.91 119.58 9070.65 08:06:01 AM 21.21 0.05 21.16 1.07 6187.72 08:07:01 AM 16.31 2.75 13.56 164.51 397.75 08:08:01 AM 80.51 0.60 79.91 412.00 15981.11 08:09:01 AM 23.31 1.22 22.09 1590.67 7067.93 08:10:01 AM 178.57 0.45 178.12 63.85 3674.88 Average: 94.68 3.81 90.87 888.54 7628.36 08:03:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12178948 14256248 3962584 24.55 2688 2283036 1981940 11.53 206768 3354368 190548 08:05:01 AM 11046312 13357656 5095220 31.57 2688 2513152 2595648 15.10 262520 4411848 177368 08:06:01 AM 10853372 13168772 5288160 32.76 2688 2517048 2627760 15.29 262576 4603456 2804 08:07:01 AM 9371848 11710632 6769684 41.94 2688 2539532 4072488 23.69 283728 6054372 4444 08:08:01 AM 8855684 11612336 7285848 45.14 2688 2947616 4341152 25.25 405736 6411380 984 08:09:01 AM 10784676 13786232 5356856 33.19 2688 3190548 2217648 12.90 461496 4427924 9728 08:10:01 AM 11817556 14842640 4323976 26.79 2688 3211776 1314200 7.65 662764 3194384 31408 Average: 10701199 13247788 5440333 33.70 2688 2743244 2735834 15.92 363655 4636819 59612 08:03:02 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 243.00 198.80 2686.65 37.79 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 245.69 178.09 3414.12 32.11 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 269.51 157.56 83.78 81.89 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 5.18 5.18 0.63 0.63 0.00 0.00 0.00 0.00 08:07:01 AM eth0 90.55 66.12 27.31 40.79 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 13.50 13.50 27.07 27.07 0.00 0.00 0.00 0.00 08:08:01 AM eth0 180.59 108.35 2825.53 9.01 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth7de4bf7 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-2c29b4d6dfd1 5.76 5.88 25.64 0.95 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.38 0.38 0.02 0.02 0.00 0.00 0.00 0.00 08:09:01 AM eth0 172.38 128.14 2819.09 13.53 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 48.07 45.17 16.91 135.12 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 2.73 2.73 3.97 3.97 0.00 0.00 0.00 0.00 Average: eth0 178.39 125.86 1693.90 50.06 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) 03/14/2026 _x86_64_ (4 CPU) 08:02:19 LINUX RESTART (4 CPU) 08:03:02 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 32.23 0.00 2.43 2.38 0.09 62.87 08:04:01 AM 0 31.61 0.00 2.76 3.78 0.10 61.75 08:04:01 AM 1 38.85 0.00 3.09 1.00 0.08 56.97 08:04:01 AM 2 26.66 0.00 2.70 4.35 0.10 66.19 08:04:01 AM 3 31.78 0.00 1.17 0.37 0.08 66.59 08:05:01 AM all 60.60 0.00 1.64 0.51 0.09 37.16 08:05:01 AM 0 61.92 0.00 1.80 0.33 0.08 35.86 08:05:01 AM 1 62.34 0.00 1.35 0.47 0.12 35.72 08:05:01 AM 2 56.85 0.00 1.57 0.42 0.08 41.08 08:05:01 AM 3 61.29 0.00 1.82 0.82 0.07 36.00 08:06:01 AM all 16.98 0.00 1.30 0.38 0.07 81.27 08:06:01 AM 0 17.19 0.00 1.22 0.07 0.07 81.46 08:06:01 AM 1 15.98 0.00 1.17 0.13 0.05 82.66 08:06:01 AM 2 11.76 0.00 1.52 0.38 0.08 86.26 08:06:01 AM 3 23.00 0.00 1.29 0.94 0.07 74.71 08:07:01 AM all 42.29 0.00 1.40 0.10 0.08 56.13 08:07:01 AM 0 31.53 0.00 1.25 0.13 0.08 67.01 08:07:01 AM 1 35.95 0.00 0.75 0.05 0.07 63.18 08:07:01 AM 2 52.03 0.00 1.87 0.08 0.07 45.95 08:07:01 AM 3 49.69 0.00 1.72 0.15 0.08 48.35 08:08:01 AM all 16.52 0.00 2.80 2.54 0.10 78.03 08:08:01 AM 0 16.97 0.00 3.09 3.29 0.12 76.53 08:08:01 AM 1 15.94 0.00 2.78 1.63 0.08 79.57 08:08:01 AM 2 16.19 0.00 3.24 4.08 0.08 76.41 08:08:01 AM 3 17.00 0.00 2.10 1.17 0.10 79.63 08:09:01 AM all 59.56 0.00 1.32 0.16 0.08 38.89 08:09:01 AM 0 64.04 0.00 0.97 0.08 0.07 34.84 08:09:01 AM 1 43.94 0.00 1.29 0.52 0.10 54.15 08:09:01 AM 2 63.61 0.00 1.92 0.02 0.07 34.39 08:09:01 AM 3 66.63 0.00 1.09 0.02 0.07 32.20 08:10:01 AM all 49.12 0.00 1.82 0.53 0.14 48.39 08:10:01 AM 0 58.24 0.00 2.37 0.18 0.18 39.03 08:10:01 AM 1 29.66 0.00 1.17 0.22 0.18 68.77 08:10:01 AM 2 59.49 0.00 1.00 0.07 0.08 39.36 08:10:01 AM 3 49.11 0.00 2.74 1.64 0.10 46.41 Average: all 39.65 0.00 1.81 0.94 0.09 57.51 Average: 0 40.25 0.00 1.92 1.12 0.10 56.61 Average: 1 34.67 0.00 1.65 0.57 0.10 63.01 Average: 2 41.00 0.00 1.97 1.33 0.08 55.62 Average: 3 42.69 0.00 1.70 0.73 0.08 54.80