---> uname -a: Linux prd-centos8-docker-8c-8g-5395.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 1055 27084 19 3750 30371 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:01:09:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.247/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe01:903/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:47:f8:a8:0c 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::42:47ff:fef8:a80c/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) 03/27/2026 _x86_64_ (8 CPU) 03:37:40 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 252.70 23.78 228.91 7112.34 9229.26 03:40:01 AM 456.46 16.61 439.84 2771.00 16464.54 03:41:01 AM 284.76 2.75 282.01 444.92 41634.77 03:42:01 AM 121.01 3.27 117.74 160.21 15070.51 Average: 278.72 11.60 267.12 2622.49 20599.00 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29450868 31285076 3204844 9.81 2688 2154296 2026392 6.01 144876 2620792 286524 03:40:01 AM 28420276 30610104 4235436 12.97 2688 2500012 1935524 5.74 228824 3515856 188364 03:41:01 AM 26631224 29850880 6024488 18.45 2688 3514844 2629192 7.80 577480 4893936 32392 03:42:01 AM 27731496 31097488 4924216 15.08 2688 3658776 1535940 4.56 838924 3531520 23208 Average: 28058466 30710887 4597246 14.08 2688 2956982 2031762 6.03 447526 3640526 132622 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 456.41 288.31 2431.61 83.60 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 418.70 376.57 4095.71 59.51 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 593.67 455.00 9636.88 52.31 0.00 0.00 0.00 0.00 03:41:01 AM docker0 7.93 9.90 0.44 275.19 0.00 0.00 0.00 0.00 03:41:01 AM vethc62435c 4.33 4.68 0.29 133.61 0.00 0.00 0.00 0.01 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 249.00 268.91 248.35 2338.17 0.00 0.00 0.00 0.00 03:42:01 AM docker0 1.52 2.07 0.11 32.56 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 429.45 347.19 4103.00 633.38 0.00 0.00 0.00 0.00 Average: docker0 2.36 2.99 0.14 76.93 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) 03/27/2026 _x86_64_ (8 CPU) 03:37:40 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 14.29 0.00 2.07 0.63 0.06 82.96 03:39:01 AM 0 8.21 0.00 1.37 0.22 0.08 90.12 03:39:01 AM 1 19.55 0.00 2.93 1.93 0.07 75.52 03:39:01 AM 2 11.37 0.00 1.56 0.32 0.07 86.69 03:39:01 AM 3 7.34 0.00 1.86 0.07 0.07 90.66 03:39:01 AM 4 18.49 0.00 2.21 1.29 0.05 77.96 03:39:01 AM 5 9.25 0.00 0.98 0.45 0.03 89.28 03:39:01 AM 6 12.83 0.00 2.35 0.20 0.05 84.57 03:39:01 AM 7 27.23 0.00 3.32 0.55 0.05 68.84 03:40:01 AM all 18.95 0.00 1.46 1.17 0.08 78.34 03:40:01 AM 0 14.01 0.00 0.89 0.27 0.07 84.77 03:40:01 AM 1 25.66 0.00 1.97 1.72 0.08 70.56 03:40:01 AM 2 27.00 0.00 1.91 1.74 0.08 69.27 03:40:01 AM 3 10.74 0.00 0.92 0.45 0.08 87.80 03:40:01 AM 4 15.92 0.00 1.91 2.26 0.07 79.85 03:40:01 AM 5 17.69 0.00 1.42 1.27 0.08 79.53 03:40:01 AM 6 18.76 0.00 1.04 0.38 0.07 79.75 03:40:01 AM 7 21.83 0.00 1.61 1.25 0.08 75.23 03:41:01 AM all 25.95 0.00 2.26 0.89 0.08 70.83 03:41:01 AM 0 29.69 0.00 2.94 0.89 0.08 66.40 03:41:01 AM 1 17.40 0.00 2.00 0.89 0.08 79.62 03:41:01 AM 2 23.93 0.00 2.69 1.93 0.08 71.37 03:41:01 AM 3 29.62 0.00 1.90 0.52 0.08 67.88 03:41:01 AM 4 29.73 0.00 2.12 0.55 0.07 67.52 03:41:01 AM 5 25.76 0.00 1.66 0.62 0.08 71.88 03:41:01 AM 6 24.75 0.00 2.12 0.39 0.08 72.67 03:41:01 AM 7 26.71 0.00 2.65 1.29 0.08 69.26 03:42:01 AM all 12.20 0.00 2.12 0.24 0.06 85.38 03:42:01 AM 0 4.27 0.00 1.69 0.05 0.05 93.94 03:42:01 AM 1 11.86 0.00 2.53 0.65 0.07 84.90 03:42:01 AM 2 11.36 0.00 1.83 0.07 0.07 86.68 03:42:01 AM 3 10.43 0.00 2.78 0.47 0.07 86.26 03:42:01 AM 4 15.14 0.00 2.19 0.15 0.07 82.44 03:42:01 AM 5 19.51 0.00 2.01 0.13 0.05 78.29 03:42:01 AM 6 12.56 0.00 1.94 0.23 0.05 85.21 03:42:01 AM 7 12.46 0.00 1.99 0.17 0.07 85.31 Average: all 17.84 0.00 1.98 0.73 0.07 79.38 Average: 0 14.03 0.00 1.72 0.36 0.07 83.83 Average: 1 18.62 0.00 2.36 1.30 0.08 77.65 Average: 2 18.41 0.00 1.99 1.01 0.08 78.51 Average: 3 14.53 0.00 1.87 0.38 0.08 83.15 Average: 4 19.81 0.00 2.11 1.06 0.06 76.95 Average: 5 18.04 0.00 1.52 0.62 0.06 79.76 Average: 6 17.22 0.00 1.86 0.30 0.06 80.56 Average: 7 22.06 0.00 2.39 0.82 0.07 74.66