---> uname -a: Linux prd-centos8-docker-4c-4g-1165.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: 2800.000 BogoMIPS: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 775 12194 20 2790 14645 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:f5:60:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.20/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86041sec preferred_lft 86041sec inet6 fe80::f816:3eff:fef5:6045/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4c:de:35:7e 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) 10/13/2026 _x86_64_ (4 CPU) 07:37:59 LINUX RESTART (4 CPU) 07:39:01 AM tps rtps wtps bread/s bwrtn/s 07:40:01 AM 218.53 20.26 198.27 4126.49 15537.45 07:41:01 AM 99.55 1.70 97.85 102.63 6082.51 07:42:01 AM 14.50 0.00 14.50 0.00 6359.68 07:43:01 AM 5.35 2.02 3.33 143.42 268.18 07:44:01 AM 21.01 2.50 18.51 213.30 1156.27 Average: 71.79 5.30 66.49 917.19 5880.98 07:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 AM 12154816 14381708 3984500 24.69 2688 2430712 1876148 10.92 208736 3358140 112320 07:41:01 AM 10343384 12805852 5795932 35.91 2688 2662264 3184712 18.53 263236 5098076 185292 07:42:01 AM 8848784 11317244 7290532 45.17 2688 2668056 4598420 26.75 263728 6587504 2136 07:43:01 AM 8679576 11158340 7459740 46.22 2688 2678124 4646892 27.04 266708 6752044 2112 07:44:01 AM 12508824 15018300 3630492 22.49 2688 2706744 1136840 6.61 483448 2713468 23424 Average: 10507077 12936289 5632239 34.90 2688 2629180 3088602 17.97 297171 4901846 65057 07:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 AM eth0 240.49 195.48 2459.89 36.55 0.00 0.00 0.00 0.00 07:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:41:01 AM eth0 270.84 214.28 3419.76 38.32 0.00 0.00 0.00 0.00 07:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:42:01 AM eth0 186.10 118.99 92.32 91.18 0.00 0.00 0.00 0.00 07:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:43:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:43:01 AM eth0 154.05 97.95 61.49 54.88 0.00 0.00 0.00 0.00 07:43:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:44:01 AM lo 6.77 6.77 0.82 0.82 0.00 0.00 0.00 0.00 07:44:01 AM eth0 28.36 22.68 53.72 19.97 0.00 0.00 0.00 0.00 07:44:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.35 1.35 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 175.97 129.88 1217.47 48.18 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) 10/13/2026 _x86_64_ (4 CPU) 07:37:59 LINUX RESTART (4 CPU) 07:39:01 AM CPU %user %nice %system %iowait %steal %idle 07:40:01 AM all 34.00 0.00 2.41 1.30 0.03 62.27 07:40:01 AM 0 41.09 0.00 3.03 1.64 0.03 54.21 07:40:01 AM 1 37.11 0.00 2.43 0.50 0.03 59.92 07:40:01 AM 2 26.07 0.00 2.19 1.67 0.02 70.04 07:40:01 AM 3 31.71 0.00 1.97 1.37 0.02 64.93 07:41:01 AM all 64.93 0.00 1.90 0.71 0.04 32.42 07:41:01 AM 0 48.91 0.00 2.05 0.38 0.03 48.61 07:41:01 AM 1 69.71 0.00 2.06 1.62 0.05 26.56 07:41:01 AM 2 71.31 0.00 1.59 0.65 0.05 26.40 07:41:01 AM 3 69.77 0.00 1.92 0.17 0.03 28.11 07:42:01 AM all 36.03 0.00 1.51 0.36 0.02 62.08 07:42:01 AM 0 27.69 0.00 1.69 1.45 0.00 69.17 07:42:01 AM 1 36.54 0.00 1.20 0.00 0.03 62.22 07:42:01 AM 2 39.93 0.00 1.57 0.00 0.02 58.48 07:42:01 AM 3 39.95 0.00 1.59 0.00 0.02 58.45 07:43:01 AM all 27.61 0.00 1.14 0.03 0.01 71.23 07:43:01 AM 0 32.52 0.00 1.25 0.00 0.02 66.21 07:43:01 AM 1 26.65 0.00 0.78 0.00 0.00 72.56 07:43:01 AM 2 17.62 0.00 1.35 0.02 0.00 81.01 07:43:01 AM 3 33.62 0.00 1.15 0.08 0.02 65.12 07:44:01 AM all 43.28 0.00 2.05 0.09 0.03 54.55 07:44:01 AM 0 31.36 0.00 1.40 0.13 0.02 67.09 07:44:01 AM 1 65.43 0.00 3.37 0.12 0.05 31.03 07:44:01 AM 2 39.38 0.00 1.34 0.00 0.03 59.24 07:44:01 AM 3 36.96 0.00 2.10 0.12 0.02 60.81 Average: all 41.17 0.00 1.80 0.50 0.02 56.51 Average: 0 36.31 0.00 1.88 0.72 0.02 61.06 Average: 1 47.08 0.00 1.97 0.45 0.03 50.47 Average: 2 38.88 0.00 1.61 0.47 0.02 59.02 Average: 3 42.40 0.00 1.75 0.35 0.02 55.48