---> uname -a: Linux prd-centos8-docker-8c-8g-5220.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1066 26930 19 3893 30350 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:61:16:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.194/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85856sec preferred_lft 85856sec inet6 fe80::f816:3eff:fe61:1647/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:26:9a:04:0a 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::42:26ff:fe9a:40a/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) 04/23/2026 _x86_64_ (8 CPU) 16:10:59 LINUX RESTART (8 CPU) 04:12:01 PM tps rtps wtps bread/s bwrtn/s 04:13:01 PM 279.64 18.63 261.01 4115.16 14443.45 04:14:01 PM 111.36 1.33 110.03 308.96 12900.67 04:15:01 PM 117.66 0.53 117.13 389.87 39448.58 04:16:01 PM 24.23 0.48 23.74 21.46 488.89 04:17:01 PM 5.43 0.00 5.43 0.00 132.97 04:18:01 PM 1.40 0.00 1.40 0.00 45.86 04:19:01 PM 1.43 0.00 1.43 0.00 42.24 04:20:01 PM 30.75 0.42 30.33 56.10 1647.27 Average: 71.49 2.67 68.81 611.45 8643.81 04:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:13:01 PM 27598892 29858132 5056820 15.49 2688 2570664 2791440 8.28 236188 4330620 298896 04:14:01 PM 25906240 28929500 6749472 20.67 2688 3326864 3661628 10.86 344588 5881964 691956 04:15:01 PM 24627068 28111096 8028644 24.59 2688 3766420 5199208 15.43 444036 6971624 228 04:16:01 PM 24788700 28279884 7867012 24.09 2688 3773496 3841752 11.40 450564 6806620 76 04:17:01 PM 24730984 28222896 7924728 24.27 2688 3774296 3841752 11.40 450604 6864312 24 04:18:01 PM 24728276 28220944 7927436 24.28 2688 3775068 3857964 11.45 450612 6867212 104 04:19:01 PM 24708764 28202192 7946948 24.34 2688 3775880 3857964 11.45 450616 6887628 80 04:20:01 PM 27528344 31028284 5127368 15.70 2688 3781384 1577548 4.68 636312 3893012 8340 Average: 25577158 28856616 7078554 21.68 2688 3568009 3578657 10.62 432940 6062874 124963 04:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 PM eth0 505.28 385.42 5845.68 56.77 0.00 0.00 0.00 0.00 04:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 PM eth0 444.45 313.23 10482.63 46.00 0.00 0.00 0.00 0.00 04:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 PM lo 7.06 7.06 0.59 0.59 0.00 0.00 0.00 0.00 04:15:01 PM eth0 28.42 21.69 7.82 10.58 0.00 0.00 0.00 0.00 04:15:01 PM docker0 1.57 1.98 0.23 0.22 0.00 0.00 0.00 0.00 04:15:01 PM veth1a35f8b 0.00 0.15 0.00 0.01 0.00 0.00 0.00 0.00 04:16:01 PM lo 76.64 76.64 5.70 5.70 0.00 0.00 0.00 0.00 04:16:01 PM eth0 241.69 173.29 71.36 75.49 0.00 0.00 0.00 0.00 04:16:01 PM docker0 11.28 12.70 1.67 1.65 0.00 0.00 0.00 0.00 04:17:01 PM lo 64.25 64.25 3.14 3.14 0.00 0.00 0.00 0.00 04:17:01 PM eth0 230.57 190.52 63.32 72.76 0.00 0.00 0.00 0.00 04:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 PM lo 64.29 64.29 3.14 3.14 0.00 0.00 0.00 0.00 04:18:01 PM eth0 203.37 156.61 55.63 58.90 0.00 0.00 0.00 0.00 04:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 PM lo 64.19 64.19 3.13 3.13 0.00 0.00 0.00 0.00 04:19:01 PM eth0 138.24 117.13 37.46 50.55 0.00 0.00 0.00 0.00 04:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM lo 6.90 6.90 0.34 0.34 0.00 0.00 0.00 0.00 04:20:01 PM eth0 48.25 41.67 27.32 17.46 0.00 0.00 0.00 0.00 04:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 35.41 35.41 2.00 2.00 0.00 0.00 0.00 0.00 Average: eth0 230.03 174.94 2073.90 48.56 0.00 0.00 0.00 0.00 Average: docker0 1.61 1.83 0.24 0.23 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) 04/23/2026 _x86_64_ (8 CPU) 16:10:59 LINUX RESTART (8 CPU) 04:12:01 PM CPU %user %nice %system %iowait %steal %idle 04:13:01 PM all 27.45 0.00 1.49 0.78 0.08 70.20 04:13:01 PM 0 28.39 0.00 1.07 0.38 0.07 70.09 04:13:01 PM 1 35.01 0.00 2.16 0.74 0.10 61.99 04:13:01 PM 2 38.71 0.00 1.62 1.02 0.10 58.55 04:13:01 PM 3 29.22 0.00 1.25 1.40 0.07 68.05 04:13:01 PM 4 17.78 0.00 1.22 0.54 0.08 80.37 04:13:01 PM 5 22.88 0.00 1.02 0.25 0.08 75.77 04:13:01 PM 6 21.69 0.00 1.47 0.64 0.07 76.14 04:13:01 PM 7 25.87 0.00 2.09 1.29 0.08 70.67 04:14:01 PM all 39.73 0.00 1.48 0.39 0.11 58.30 04:14:01 PM 0 41.67 0.00 1.25 0.22 0.08 56.78 04:14:01 PM 1 35.55 0.00 2.14 0.20 0.10 62.01 04:14:01 PM 2 49.55 0.00 1.05 0.33 0.15 48.91 04:14:01 PM 3 41.58 0.00 1.50 0.13 0.17 56.62 04:14:01 PM 4 24.90 0.00 1.74 0.59 0.08 72.69 04:14:01 PM 5 28.85 0.00 1.24 0.64 0.12 69.16 04:14:01 PM 6 44.94 0.00 1.46 0.97 0.08 52.55 04:14:01 PM 7 50.74 0.00 1.44 0.03 0.08 47.71 04:15:01 PM all 20.88 0.00 2.89 0.65 0.14 75.44 04:15:01 PM 0 18.82 0.00 2.50 0.27 0.12 78.29 04:15:01 PM 1 18.75 0.00 3.49 1.76 0.13 75.86 04:15:01 PM 2 36.94 0.00 3.29 0.44 0.13 59.20 04:15:01 PM 3 17.52 0.00 3.04 1.41 0.13 77.90 04:15:01 PM 4 18.28 0.00 2.20 0.39 0.15 78.98 04:15:01 PM 5 18.83 0.00 2.43 0.47 0.13 78.14 04:15:01 PM 6 22.27 0.00 3.72 0.08 0.15 73.77 04:15:01 PM 7 15.61 0.00 2.43 0.39 0.15 81.42 04:16:01 PM all 16.94 0.00 2.04 0.05 0.15 80.83 04:16:01 PM 0 13.61 0.00 2.19 0.02 0.17 84.02 04:16:01 PM 1 19.00 0.00 1.92 0.12 0.18 78.78 04:16:01 PM 2 19.38 0.00 1.99 0.07 0.13 78.43 04:16:01 PM 3 15.23 0.00 1.72 0.07 0.17 82.82 04:16:01 PM 4 21.94 0.00 2.66 0.05 0.12 75.23 04:16:01 PM 5 15.89 0.00 2.19 0.05 0.15 81.71 04:16:01 PM 6 12.51 0.00 1.72 0.03 0.15 85.58 04:16:01 PM 7 17.93 0.00 1.89 0.03 0.12 80.03 04:17:01 PM all 2.07 0.00 0.68 0.01 0.06 97.19 04:17:01 PM 0 2.01 0.00 0.18 0.00 0.07 97.74 04:17:01 PM 1 2.91 0.00 0.82 0.00 0.05 96.22 04:17:01 PM 2 1.97 0.00 0.92 0.03 0.07 97.01 04:17:01 PM 3 1.29 0.00 0.77 0.00 0.07 97.88 04:17:01 PM 4 1.84 0.00 0.48 0.00 0.07 97.61 04:17:01 PM 5 2.47 0.00 0.18 0.03 0.05 97.26 04:17:01 PM 6 2.41 0.00 0.23 0.02 0.05 97.29 04:17:01 PM 7 1.65 0.00 1.82 0.00 0.05 96.48 04:18:01 PM all 1.28 0.00 0.64 0.00 0.04 98.04 04:18:01 PM 0 0.52 0.00 0.22 0.00 0.03 99.23 04:18:01 PM 1 1.27 0.00 1.66 0.00 0.03 97.04 04:18:01 PM 2 2.04 0.00 0.72 0.00 0.03 97.21 04:18:01 PM 3 0.65 0.00 0.40 0.00 0.05 98.89 04:18:01 PM 4 0.64 0.00 0.74 0.00 0.03 98.60 04:18:01 PM 5 0.43 0.00 0.23 0.00 0.03 99.30 04:18:01 PM 6 0.74 0.00 0.30 0.00 0.07 98.90 04:18:01 PM 7 3.97 0.00 0.82 0.00 0.03 95.18 04:19:01 PM all 1.16 0.00 0.59 0.06 0.05 98.14 04:19:01 PM 0 0.84 0.00 0.28 0.00 0.05 98.83 04:19:01 PM 1 1.19 0.00 0.60 0.38 0.05 97.78 04:19:01 PM 2 1.04 0.00 0.57 0.00 0.03 98.36 04:19:01 PM 3 0.95 0.00 0.70 0.00 0.05 98.29 04:19:01 PM 4 1.09 0.00 0.33 0.00 0.07 98.51 04:19:01 PM 5 0.57 0.00 0.30 0.00 0.05 99.08 04:19:01 PM 6 1.59 0.00 1.64 0.12 0.03 96.63 04:19:01 PM 7 2.02 0.00 0.28 0.00 0.03 97.66 04:20:01 PM all 7.77 0.00 0.93 1.05 0.04 90.21 04:20:01 PM 0 5.17 0.00 1.02 0.70 0.05 93.06 04:20:01 PM 1 1.67 0.00 0.94 3.73 0.07 93.60 04:20:01 PM 2 1.97 0.00 0.60 0.07 0.05 97.31 04:20:01 PM 3 22.12 0.00 1.60 0.15 0.05 76.08 04:20:01 PM 4 2.95 0.00 0.80 0.02 0.02 96.21 04:20:01 PM 5 7.51 0.00 0.70 0.20 0.03 91.55 04:20:01 PM 6 5.83 0.00 0.47 0.12 0.02 93.57 04:20:01 PM 7 14.89 0.00 1.33 3.40 0.03 80.35 Average: all 14.65 0.00 1.34 0.37 0.08 83.55 Average: 0 13.87 0.00 1.09 0.20 0.08 84.76 Average: 1 14.41 0.00 1.71 0.87 0.09 82.92 Average: 2 18.94 0.00 1.34 0.24 0.09 79.38 Average: 3 16.08 0.00 1.37 0.40 0.09 82.06 Average: 4 11.17 0.00 1.27 0.20 0.08 87.28 Average: 5 12.17 0.00 1.04 0.20 0.08 86.50 Average: 6 13.99 0.00 1.38 0.25 0.08 84.31 Average: 7 16.57 0.00 1.51 0.64 0.07 81.20