---> uname -a: Linux prd-centos8-docker-4c-4g-2976.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 758 12101 20 2900 14664 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:ac:07:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.90/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86095sec preferred_lft 86095sec inet6 fe80::f816:3eff:feac:75b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d0:3e:97:2f 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) 10/19/2026 _x86_64_ (4 CPU) 01:26:57 LINUX RESTART (4 CPU) 01:28:01 AM tps rtps wtps bread/s bwrtn/s 01:29:01 AM 55.92 0.33 55.59 32.53 5505.03 01:30:01 AM 104.47 14.55 89.92 3098.83 7870.53 01:31:01 AM 217.14 5.93 211.21 1067.64 16460.83 01:32:01 AM 32.76 1.33 31.42 82.37 1014.20 Average: 102.57 5.54 97.04 1070.39 7712.74 01:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:29:01 AM 13349264 15098376 2790052 17.29 2688 1967136 1100252 6.40 139484 2298532 144220 01:30:01 AM 12889280 14963216 3250036 20.14 2688 2282496 1354004 7.88 153004 2707424 190372 01:31:01 AM 11392272 13763364 4747044 29.41 2688 2572696 2286712 13.30 249984 4067544 8700 01:32:01 AM 12431212 15055352 3708104 22.98 2688 2823532 1122072 6.53 534140 2747592 263140 Average: 12515507 14720077 3623809 22.45 2688 2411465 1465760 8.53 269153 2955273 151608 01:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 68.62 44.24 952.21 6.42 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM eth0 91.59 63.68 926.38 12.56 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 15.63 15.63 2.62 2.62 0.00 0.00 0.00 0.00 01:31:01 AM eth0 370.39 275.41 4029.80 50.73 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:32:01 AM lo 16.28 16.28 5.67 5.67 0.00 0.00 0.00 0.00 01:32:01 AM eth0 89.02 72.01 284.03 43.61 0.00 0.00 0.00 0.00 01:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.98 7.98 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 154.91 113.84 1548.13 28.33 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) 10/19/2026 _x86_64_ (4 CPU) 01:26:57 LINUX RESTART (4 CPU) 01:28:01 AM CPU %user %nice %system %iowait %steal %idle 01:29:01 AM all 9.65 0.00 0.94 0.32 0.00 89.10 01:29:01 AM 0 11.19 0.00 1.04 0.17 0.00 87.61 01:29:01 AM 1 5.59 0.00 0.68 0.37 0.00 93.35 01:29:01 AM 2 7.51 0.00 0.70 0.12 0.00 91.67 01:29:01 AM 3 14.29 0.00 1.32 0.62 0.02 83.76 01:30:01 AM all 12.74 0.00 1.30 0.64 0.00 85.31 01:30:01 AM 0 9.49 0.00 1.32 0.85 0.00 88.34 01:30:01 AM 1 7.08 0.00 0.97 0.68 0.00 91.27 01:30:01 AM 2 27.24 0.00 2.17 0.85 0.02 69.72 01:30:01 AM 3 7.17 0.00 0.75 0.17 0.00 91.91 01:31:01 AM all 55.58 0.00 2.66 1.11 0.01 40.64 01:31:01 AM 0 56.34 0.00 1.82 0.55 0.00 41.29 01:31:01 AM 1 43.96 0.00 4.17 2.31 0.03 49.52 01:31:01 AM 2 65.50 0.00 1.82 0.82 0.02 31.85 01:31:01 AM 3 56.48 0.00 2.84 0.77 0.00 39.91 01:32:01 AM all 20.23 0.00 2.20 0.15 0.01 77.40 01:32:01 AM 0 14.84 0.00 1.57 0.12 0.02 83.45 01:32:01 AM 1 27.93 0.00 3.01 0.05 0.00 69.01 01:32:01 AM 2 12.73 0.00 2.09 0.22 0.00 84.96 01:32:01 AM 3 25.43 0.00 2.14 0.22 0.02 72.20 Average: all 24.55 0.00 1.78 0.55 0.01 73.11 Average: 0 22.97 0.00 1.44 0.42 0.00 75.16 Average: 1 21.12 0.00 2.21 0.85 0.01 75.81 Average: 2 28.26 0.00 1.70 0.50 0.01 69.53 Average: 3 25.84 0.00 1.76 0.44 0.01 71.95