---> uname -a: Linux prd-centos8-docker-4c-4g-1107.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 2799.998 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): 0-3 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 770 12182 19 2808 14651 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:c4:47:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.89/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86023sec preferred_lft 86023sec inet6 fe80::f816:3eff:fec4:47d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:df:c0:e0:51 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/20/2026 _x86_64_ (4 CPU) 05:17:24 LINUX RESTART (4 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 151.19 9.75 141.44 2691.28 8368.94 05:20:01 AM 224.78 18.19 206.58 2366.94 16384.87 05:21:01 AM 52.84 0.00 52.84 0.00 8103.13 05:22:01 AM 3.68 0.00 3.68 0.00 343.63 05:23:01 AM 7.57 2.83 4.73 169.71 200.35 Average: 88.02 6.16 81.86 1045.63 6680.51 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 13025972 15092832 3113340 19.29 2688 2274536 1407480 8.19 152060 2574720 315580 05:20:01 AM 11956748 14255688 4182564 25.92 2688 2499868 1819524 10.59 234308 3523120 44420 05:21:01 AM 10514948 13003504 5624364 34.85 2688 2687548 2848840 16.57 261136 4928132 2620 05:22:01 AM 10195536 12689692 5943776 36.83 2688 2692944 3191772 18.57 262784 5244324 8 05:23:01 AM 12547028 15063604 3592284 22.26 2688 2714372 1148628 6.68 281528 2879596 16788 Average: 11648046 14021064 4491266 27.83 2688 2573854 2083249 12.12 238363 3829978 75883 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 139.28 93.07 1944.31 24.60 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 213.91 194.49 2224.68 32.98 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 265.51 172.04 2945.23 48.19 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 207.30 140.63 58.12 66.67 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM lo 6.35 6.35 0.79 0.79 0.00 0.00 0.00 0.00 05:23:01 AM eth0 23.71 20.58 7.82 11.19 0.00 0.00 0.00 0.00 05:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 169.94 124.16 1436.06 36.73 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/20/2026 _x86_64_ (4 CPU) 05:17:24 LINUX RESTART (4 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 19.76 0.00 2.09 0.92 0.07 77.16 05:19:01 AM 0 11.37 0.00 1.49 0.48 0.08 86.58 05:19:01 AM 1 33.14 0.00 2.71 0.97 0.07 63.12 05:19:01 AM 2 24.40 0.00 2.63 0.92 0.07 71.98 05:19:01 AM 3 10.14 0.00 1.56 1.30 0.07 86.94 05:20:01 AM all 46.27 0.00 2.10 2.19 0.10 49.33 05:20:01 AM 0 51.71 0.00 1.39 1.09 0.08 45.74 05:20:01 AM 1 43.45 0.00 2.31 1.97 0.12 52.16 05:20:01 AM 2 45.75 0.00 2.16 2.44 0.12 49.53 05:20:01 AM 3 44.16 0.00 2.56 3.27 0.10 49.91 05:21:01 AM all 54.52 0.00 1.54 0.39 0.10 43.45 05:21:01 AM 0 51.33 0.00 1.77 0.13 0.12 46.65 05:21:01 AM 1 42.85 0.00 1.91 1.24 0.08 53.92 05:21:01 AM 2 61.13 0.00 1.59 0.20 0.08 37.01 05:21:01 AM 3 62.76 0.00 0.88 0.00 0.10 36.25 05:22:01 AM all 18.29 0.00 1.24 0.01 0.06 80.40 05:22:01 AM 0 15.87 0.00 0.84 0.03 0.05 83.21 05:22:01 AM 1 11.61 0.00 1.77 0.00 0.08 86.53 05:22:01 AM 2 15.43 0.00 1.24 0.00 0.07 83.26 05:22:01 AM 3 30.22 0.00 1.14 0.00 0.05 68.59 05:23:01 AM all 54.85 0.00 1.33 0.06 0.10 43.66 05:23:01 AM 0 50.23 0.00 0.92 0.03 0.10 48.71 05:23:01 AM 1 66.61 0.00 1.89 0.13 0.12 31.25 05:23:01 AM 2 45.35 0.00 1.50 0.07 0.08 53.00 05:23:01 AM 3 57.22 0.00 1.00 0.00 0.10 41.68 Average: all 38.74 0.00 1.66 0.71 0.09 58.80 Average: 0 36.10 0.00 1.28 0.35 0.09 62.18 Average: 1 39.53 0.00 2.12 0.86 0.09 57.40 Average: 2 38.42 0.00 1.82 0.73 0.08 58.95 Average: 3 40.91 0.00 1.43 0.91 0.08 56.66