---> uname -a: Linux prd-centos8-docker-8c-8g-477.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 1090 26678 19 4121 30326 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:33:03:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.47/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85974sec preferred_lft 85974sec inet6 fe80::f816:3eff:fe33:3ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e4:93:c0:8d 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:e4ff:fe93:c08d/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) 03/29/2026 _x86_64_ (8 CPU) 20:22:15 LINUX RESTART (8 CPU) 08:23:01 PM tps rtps wtps bread/s bwrtn/s 08:24:01 PM 313.88 18.03 295.85 3791.90 16621.85 08:25:01 PM 112.08 1.85 110.23 593.50 11975.69 08:26:01 PM 125.20 0.50 124.70 421.66 47226.65 08:27:01 PM 32.32 0.18 32.14 9.06 713.33 08:28:01 PM 18.38 0.50 17.88 21.59 463.18 08:29:01 PM 30.69 0.42 30.28 56.12 968.92 Average: 105.42 3.58 101.84 815.57 12996.15 08:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:24:01 PM 28571520 30697072 4084192 12.51 2688 2438072 1823308 5.41 214464 3381888 209112 08:25:01 PM 27365796 29704816 5289916 16.20 2688 2647624 2637556 7.83 281488 4503448 70764 08:26:01 PM 24646932 28118492 8008780 24.52 2688 3755588 4846580 14.38 349056 7054232 12 08:27:01 PM 23975872 27453560 8679840 26.58 2688 3759236 4948460 14.68 441768 7624604 60 08:28:01 PM 23801272 27285728 8854440 27.11 2688 3766424 4826908 14.32 445208 7796772 24 08:29:01 PM 27324708 31056116 5331004 16.32 2688 4009672 1510980 4.48 679036 4045928 251128 Average: 25947683 29052631 6708029 20.54 2688 3396103 3432299 10.18 401837 5734479 88517 08:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 PM eth0 379.27 317.53 4635.71 48.58 0.00 0.00 0.00 0.00 08:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 PM eth0 215.58 167.11 2859.02 28.42 0.00 0.00 0.00 0.00 08:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 PM eth0 391.47 251.22 9530.06 34.86 0.00 0.00 0.00 0.00 08:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 PM veth41c1f91 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 PM vethac77439 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 PM lo 24.88 24.88 2.32 2.32 0.00 0.00 0.00 0.00 08:27:01 PM eth0 65.34 41.54 23.43 23.51 0.00 0.00 0.00 0.00 08:27:01 PM docker0 7.63 8.55 1.02 1.00 0.00 0.00 0.00 0.00 08:27:01 PM veth32fa3f7 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:28:01 PM lo 73.09 73.09 4.67 4.67 0.00 0.00 0.00 0.00 08:28:01 PM eth0 211.03 163.68 59.49 78.50 0.00 0.00 0.00 0.00 08:28:01 PM docker0 5.23 6.06 0.88 0.86 0.00 0.00 0.00 0.00 08:29:01 PM lo 20.85 20.85 1.03 1.03 0.00 0.00 0.00 0.00 08:29:01 PM eth0 159.99 129.71 597.07 46.64 0.00 0.00 0.00 0.00 08:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.80 19.80 1.34 1.34 0.00 0.00 0.00 0.00 Average: eth0 237.12 178.46 2951.00 43.42 0.00 0.00 0.00 0.00 Average: docker0 2.14 2.44 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) 03/29/2026 _x86_64_ (8 CPU) 20:22:15 LINUX RESTART (8 CPU) 08:23:01 PM CPU %user %nice %system %iowait %steal %idle 08:24:01 PM all 19.35 0.00 1.47 0.89 0.06 78.22 08:24:01 PM 0 21.22 0.00 1.25 0.40 0.08 77.04 08:24:01 PM 1 26.31 0.00 2.32 1.89 0.07 69.41 08:24:01 PM 2 23.60 0.00 2.06 1.44 0.07 72.83 08:24:01 PM 3 8.95 0.00 0.95 0.40 0.07 89.63 08:24:01 PM 4 30.94 0.00 1.57 0.35 0.05 67.09 08:24:01 PM 5 10.66 0.00 0.89 0.87 0.05 87.54 08:24:01 PM 6 15.23 0.00 1.50 0.72 0.07 82.48 08:24:01 PM 7 17.91 0.00 1.19 1.09 0.05 79.76 08:25:01 PM all 37.90 0.00 0.96 0.37 0.07 60.71 08:25:01 PM 0 37.02 0.00 0.77 0.03 0.07 62.11 08:25:01 PM 1 33.78 0.00 0.95 0.05 0.08 65.13 08:25:01 PM 2 28.76 0.00 1.15 0.32 0.07 69.71 08:25:01 PM 3 45.86 0.00 1.47 1.05 0.07 51.55 08:25:01 PM 4 38.84 0.00 0.62 0.32 0.07 60.16 08:25:01 PM 5 44.43 0.00 1.54 1.02 0.07 52.94 08:25:01 PM 6 37.61 0.00 0.77 0.12 0.07 61.44 08:25:01 PM 7 36.89 0.00 0.42 0.02 0.07 62.60 08:26:01 PM all 23.61 0.00 2.16 0.65 0.06 73.52 08:26:01 PM 0 19.65 0.00 2.17 0.70 0.07 77.41 08:26:01 PM 1 19.29 0.00 2.45 1.11 0.05 77.10 08:26:01 PM 2 14.13 0.00 2.52 1.22 0.05 82.08 08:26:01 PM 3 53.36 0.00 2.57 0.40 0.08 43.59 08:26:01 PM 4 11.98 0.00 2.33 0.71 0.07 84.92 08:26:01 PM 5 26.84 0.00 2.00 0.65 0.07 70.44 08:26:01 PM 6 28.98 0.00 1.91 0.35 0.07 68.69 08:26:01 PM 7 14.62 0.00 1.34 0.02 0.05 83.97 08:27:01 PM all 22.24 0.00 1.77 0.05 0.07 75.87 08:27:01 PM 0 26.14 0.00 2.14 0.10 0.07 71.55 08:27:01 PM 1 16.96 0.00 1.75 0.03 0.08 81.17 08:27:01 PM 2 16.74 0.00 1.77 0.08 0.08 81.32 08:27:01 PM 3 19.64 0.00 1.47 0.03 0.07 78.79 08:27:01 PM 4 39.27 0.00 1.72 0.02 0.07 58.92 08:27:01 PM 5 14.15 0.00 1.73 0.05 0.08 83.99 08:27:01 PM 6 20.44 0.00 1.59 0.03 0.07 77.87 08:27:01 PM 7 24.58 0.00 1.96 0.03 0.07 73.36 08:28:01 PM all 11.61 0.00 1.54 0.03 0.07 86.75 08:28:01 PM 0 16.10 0.00 1.55 0.07 0.07 82.22 08:28:01 PM 1 12.56 0.00 1.72 0.03 0.08 85.60 08:28:01 PM 2 12.75 0.00 1.78 0.00 0.07 85.41 08:28:01 PM 3 10.86 0.00 1.25 0.03 0.08 87.77 08:28:01 PM 4 9.37 0.00 1.69 0.03 0.08 88.82 08:28:01 PM 5 11.63 0.00 0.89 0.03 0.05 87.40 08:28:01 PM 6 8.30 0.00 1.81 0.02 0.08 89.79 08:28:01 PM 7 11.31 0.00 1.61 0.05 0.05 86.99 08:29:01 PM all 24.80 0.00 1.19 0.05 0.07 73.88 08:29:01 PM 0 24.45 0.00 1.10 0.02 0.08 74.34 08:29:01 PM 1 28.68 0.00 0.84 0.02 0.08 70.39 08:29:01 PM 2 23.75 0.00 1.40 0.03 0.08 74.73 08:29:01 PM 3 26.25 0.00 0.50 0.03 0.07 73.15 08:29:01 PM 4 22.46 0.00 1.34 0.02 0.07 76.12 08:29:01 PM 5 24.85 0.00 0.77 0.03 0.07 74.28 08:29:01 PM 6 34.55 0.00 1.67 0.15 0.07 63.56 08:29:01 PM 7 13.44 0.00 1.90 0.10 0.07 84.49 Average: all 23.26 0.00 1.51 0.34 0.07 74.82 Average: 0 24.10 0.00 1.50 0.22 0.07 74.11 Average: 1 22.94 0.00 1.67 0.52 0.08 74.80 Average: 2 19.96 0.00 1.78 0.52 0.07 77.67 Average: 3 27.47 0.00 1.37 0.33 0.07 70.76 Average: 4 25.49 0.00 1.54 0.24 0.07 72.66 Average: 5 22.09 0.00 1.30 0.44 0.06 76.10 Average: 6 24.19 0.00 1.54 0.23 0.07 73.97 Average: 7 19.80 0.00 1.40 0.22 0.06 78.52