---> uname -a: Linux prd-centos8-docker-4c-4g-1316.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 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 782 12183 20 2794 14637 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:6d:8b:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.113/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86032sec preferred_lft 86032sec inet6 fe80::f816:3eff:fe6d:8b81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b2:61:db:0a 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) 09/14/2026 _x86_64_ (4 CPU) 10:36:05 LINUX RESTART (4 CPU) 10:37:01 AM tps rtps wtps bread/s bwrtn/s 10:38:01 AM 216.39 19.92 196.47 3882.76 13965.98 10:39:02 AM 104.03 2.03 102.00 255.88 8395.40 10:40:01 AM 29.82 0.05 29.77 1.08 6964.13 10:41:01 AM 4.45 1.70 2.75 51.05 170.34 10:42:01 AM 9.21 1.52 7.70 170.18 516.86 Average: 72.94 5.06 67.88 875.30 6000.26 10:37:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:38:01 AM 12211220 14436044 3928096 24.34 2688 2428340 1844348 10.73 178740 3334128 183884 10:39:02 AM 10254984 12723416 5884332 36.46 2688 2667624 3069380 17.86 262632 5184596 190872 10:40:01 AM 9554068 12026564 6585248 40.80 2688 2671536 3664588 21.32 263000 5884988 972 10:41:01 AM 8241828 10723432 7897488 48.93 2688 2680340 4921892 28.64 266968 7188564 4468 10:42:01 AM 12541732 15052148 3597584 22.29 2688 2707412 1114860 6.49 473124 2691792 36872 Average: 10560766 12992321 5578550 34.56 2688 2631050 2923014 17.01 288893 4856814 83414 10:37:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:38:01 AM eth0 248.76 200.07 2546.47 36.85 0.00 0.00 0.00 0.00 10:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:39:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:39:02 AM eth0 206.68 160.26 3483.43 27.02 0.00 0.00 0.00 0.00 10:39:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 AM eth0 233.68 137.82 107.66 100.36 0.00 0.00 0.00 0.00 10:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:41:01 AM eth0 149.87 107.50 62.86 63.84 0.00 0.00 0.00 0.00 10:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:42:01 AM lo 6.65 6.65 0.80 0.80 0.00 0.00 0.00 0.00 10:42:01 AM eth0 23.90 20.26 16.65 10.43 0.00 0.00 0.00 0.00 10:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.33 1.33 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 172.38 125.15 1247.60 47.52 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) 09/14/2026 _x86_64_ (4 CPU) 10:36:05 LINUX RESTART (4 CPU) 10:37:01 AM CPU %user %nice %system %iowait %steal %idle 10:38:01 AM all 31.43 0.00 2.79 1.68 0.03 64.06 10:38:01 AM 0 37.24 0.00 2.34 1.14 0.03 59.25 10:38:01 AM 1 38.05 0.00 3.78 2.99 0.03 55.14 10:38:01 AM 2 27.60 0.00 2.33 0.64 0.03 69.40 10:38:01 AM 3 22.80 0.00 2.73 1.96 0.03 72.48 10:39:02 AM all 63.34 0.00 2.06 0.38 0.04 34.18 10:39:02 AM 0 69.13 0.00 1.63 0.20 0.05 28.99 10:39:02 AM 1 53.32 0.00 2.92 0.79 0.03 42.94 10:39:02 AM 2 71.14 0.00 1.52 0.25 0.03 27.06 10:39:02 AM 3 59.76 0.00 2.17 0.28 0.03 37.75 10:40:01 AM all 29.34 0.00 1.41 0.16 0.03 69.06 10:40:01 AM 0 31.60 0.00 1.24 0.17 0.03 66.96 10:40:01 AM 1 27.64 0.00 1.48 0.05 0.02 70.81 10:40:01 AM 2 27.29 0.00 1.56 0.15 0.03 70.96 10:40:01 AM 3 30.83 0.00 1.38 0.27 0.02 67.50 10:41:01 AM all 32.34 0.00 1.37 0.03 0.03 66.24 10:41:01 AM 0 19.64 0.00 1.39 0.03 0.03 78.90 10:41:01 AM 1 21.45 0.00 1.50 0.02 0.03 77.00 10:41:01 AM 2 25.91 0.00 0.84 0.00 0.02 73.23 10:41:01 AM 3 62.33 0.00 1.74 0.05 0.05 35.84 10:42:01 AM all 48.41 0.00 1.82 0.03 0.03 49.71 10:42:01 AM 0 39.51 0.00 1.30 0.00 0.02 59.18 10:42:01 AM 1 49.24 0.00 2.41 0.05 0.02 48.29 10:42:01 AM 2 47.46 0.00 1.96 0.02 0.03 50.53 10:42:01 AM 3 57.43 0.00 1.62 0.05 0.07 40.84 Average: all 41.02 0.00 1.89 0.46 0.03 56.60 Average: 0 39.46 0.00 1.58 0.31 0.03 58.62 Average: 1 37.97 0.00 2.42 0.78 0.03 58.80 Average: 2 39.93 0.00 1.64 0.21 0.03 58.18 Average: 3 46.70 0.00 1.93 0.52 0.04 50.81