---> uname -a: Linux prd-centos8-docker-8c-8g-4267.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: 2799.996 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 1086 26983 19 3820 30330 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:a2:ae:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.139/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85962sec preferred_lft 85962sec inet6 fe80::f816:3eff:fea2:aef2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fe:49:e5:d8 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:feff:fe49:e5d8/64 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) 01/09/2026 _x86_64_ (8 CPU) 13:21:29 LINUX RESTART (8 CPU) 01:22:01 PM tps rtps wtps bread/s bwrtn/s 01:23:01 PM 261.98 19.73 242.25 3932.29 8251.83 01:24:01 PM 240.36 5.20 235.16 1112.21 14598.02 01:25:01 PM 84.99 0.30 84.69 77.59 9046.49 01:26:01 PM 107.55 0.53 107.01 408.73 38856.41 01:27:01 PM 31.96 0.48 31.47 21.46 532.74 01:28:01 PM 9.28 0.00 9.28 0.00 214.61 Average: 122.68 4.37 118.31 925.38 11917.44 01:22:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:23:01 PM 29257976 31104924 3397736 10.40 2688 2164724 1783612 5.29 161784 2786092 235800 01:24:01 PM 27458184 29659020 5197528 15.92 2688 2511504 2750228 8.16 258600 4441600 178084 01:25:01 PM 26691376 28967076 5964336 18.26 2688 2583544 3371036 10.00 283316 5174624 100 01:26:01 PM 24686196 28096604 7969516 24.40 2688 3692612 4680864 13.89 429484 6926916 108 01:27:01 PM 24480964 27897820 8174748 25.03 2688 3698900 4238092 12.57 445256 7117552 700 01:28:01 PM 25386260 28805804 7269452 22.26 2688 3701744 3497024 10.38 447212 6217152 2504 Average: 26326826 29088541 6328886 19.38 2688 3058838 3386809 10.05 337609 5443989 69549 01:22:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:23:01 PM eth0 150.12 103.27 1426.77 35.17 0.00 0.00 0.00 0.00 01:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 428.03 329.08 4959.64 44.15 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 165.44 145.16 938.91 36.06 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 0.80 0.80 0.04 0.04 0.00 0.00 0.00 0.00 01:26:01 PM eth0 307.36 187.76 9488.76 16.82 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 01:26:01 PM vethc1a096b 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 01:27:01 PM lo 62.15 62.15 5.11 5.11 0.00 0.00 0.00 0.00 01:27:01 PM eth0 198.72 140.19 58.75 59.55 0.00 0.00 0.00 0.00 01:27:01 PM docker0 12.10 13.61 1.79 1.69 0.00 0.00 0.00 0.00 01:28:01 PM lo 65.19 65.19 3.31 3.31 0.00 0.00 0.00 0.00 01:28:01 PM eth0 283.12 214.33 77.68 87.90 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.78 1.03 0.11 0.18 0.00 0.00 0.00 0.00 Average: lo 21.36 21.36 1.41 1.41 0.00 0.00 0.00 0.00 Average: eth0 255.46 186.63 2825.26 46.61 0.00 0.00 0.00 0.00 Average: docker0 2.15 2.46 0.32 0.31 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) 01/09/2026 _x86_64_ (8 CPU) 13:21:29 LINUX RESTART (8 CPU) 01:22:01 PM CPU %user %nice %system %iowait %steal %idle 01:23:01 PM all 11.80 0.00 1.16 0.59 0.06 86.40 01:23:01 PM 0 10.48 0.00 0.65 0.10 0.08 88.68 01:23:01 PM 1 10.91 0.00 1.02 0.85 0.05 87.17 01:23:01 PM 2 22.78 0.00 2.57 1.94 0.07 72.64 01:23:01 PM 3 19.07 0.00 1.89 0.43 0.05 78.56 01:23:01 PM 4 6.36 0.00 0.82 0.32 0.03 92.47 01:23:01 PM 5 16.33 0.00 1.17 0.43 0.05 82.02 01:23:01 PM 6 3.91 0.00 0.53 0.23 0.07 95.25 01:23:01 PM 7 4.52 0.00 0.62 0.38 0.07 94.41 01:24:01 PM all 28.67 0.00 1.18 1.20 0.10 68.86 01:24:01 PM 0 31.63 0.00 1.02 0.48 0.10 66.76 01:24:01 PM 1 29.81 0.00 1.15 0.94 0.08 68.02 01:24:01 PM 2 17.95 0.00 1.22 1.36 0.10 79.37 01:24:01 PM 3 26.35 0.00 1.05 1.94 0.10 70.56 01:24:01 PM 4 41.26 0.00 1.10 1.54 0.10 55.99 01:24:01 PM 5 29.84 0.00 1.40 0.89 0.10 67.77 01:24:01 PM 6 26.93 0.00 1.15 1.00 0.08 70.83 01:24:01 PM 7 25.56 0.00 1.36 1.44 0.10 71.54 01:25:01 PM all 26.69 0.00 0.73 0.29 0.07 72.22 01:25:01 PM 0 26.71 0.00 0.57 0.84 0.10 71.78 01:25:01 PM 1 46.08 0.00 1.62 0.15 0.08 52.07 01:25:01 PM 2 21.29 0.00 0.73 0.15 0.05 77.77 01:25:01 PM 3 29.59 0.00 0.25 0.00 0.07 70.09 01:25:01 PM 4 31.22 0.00 0.55 0.23 0.10 67.90 01:25:01 PM 5 7.29 0.00 0.69 0.67 0.03 91.32 01:25:01 PM 6 33.82 0.00 0.52 0.08 0.05 65.53 01:25:01 PM 7 17.53 0.00 0.90 0.20 0.08 81.29 01:26:01 PM all 24.05 0.00 2.43 0.71 0.09 72.72 01:26:01 PM 0 17.75 0.00 2.08 0.12 0.08 79.96 01:26:01 PM 1 31.85 0.00 2.87 2.13 0.10 63.05 01:26:01 PM 2 22.53 0.00 3.20 1.60 0.08 72.59 01:26:01 PM 3 24.94 0.00 2.05 0.54 0.08 72.39 01:26:01 PM 4 21.10 0.00 2.45 0.55 0.10 75.80 01:26:01 PM 5 27.03 0.00 2.42 0.02 0.10 70.44 01:26:01 PM 6 26.24 0.00 1.99 0.05 0.08 71.63 01:26:01 PM 7 20.95 0.00 2.39 0.71 0.07 75.89 01:27:01 PM all 20.52 0.00 2.17 0.12 0.12 77.06 01:27:01 PM 0 16.04 0.00 1.64 0.05 0.12 82.15 01:27:01 PM 1 19.65 0.00 2.56 0.07 0.12 77.60 01:27:01 PM 2 18.71 0.00 2.33 0.30 0.13 78.53 01:27:01 PM 3 23.69 0.00 2.11 0.07 0.10 74.03 01:27:01 PM 4 20.23 0.00 2.50 0.32 0.15 76.80 01:27:01 PM 5 24.30 0.00 2.11 0.07 0.12 73.40 01:27:01 PM 6 19.31 0.00 2.06 0.10 0.10 78.43 01:27:01 PM 7 22.25 0.00 2.06 0.02 0.12 75.55 01:28:01 PM all 5.82 0.00 1.15 0.01 0.07 92.95 01:28:01 PM 0 4.21 0.00 1.07 0.00 0.07 94.66 01:28:01 PM 1 7.66 0.00 1.26 0.00 0.08 91.00 01:28:01 PM 2 6.21 0.00 2.04 0.03 0.08 91.63 01:28:01 PM 3 6.70 0.00 0.92 0.02 0.08 92.28 01:28:01 PM 4 5.90 0.00 1.72 0.03 0.07 92.28 01:28:01 PM 5 3.95 0.00 0.67 0.00 0.05 95.33 01:28:01 PM 6 6.78 0.00 0.58 0.00 0.05 92.59 01:28:01 PM 7 5.13 0.00 0.95 0.00 0.05 93.87 Average: all 19.59 0.00 1.47 0.49 0.08 78.37 Average: 0 17.80 0.00 1.17 0.26 0.09 80.67 Average: 1 24.32 0.00 1.75 0.69 0.09 73.16 Average: 2 18.24 0.00 2.01 0.90 0.09 78.76 Average: 3 21.72 0.00 1.38 0.50 0.08 76.32 Average: 4 21.00 0.00 1.52 0.50 0.09 76.88 Average: 5 18.12 0.00 1.41 0.35 0.08 80.05 Average: 6 19.50 0.00 1.14 0.25 0.07 79.04 Average: 7 15.98 0.00 1.38 0.46 0.08 82.10