---> uname -a: Linux prd-centos8-docker-4c-4g-3607.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1079 10763 19 3918 14332 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:8e:90:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.131/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86093sec preferred_lft 86093sec inet6 fe80::f816:3eff:fe8e:90b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:47:18:8d:a1 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:fe18:8da1/64 scope link 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) 05/25/2026 _x86_64_ (4 CPU) 18:26:46 LINUX RESTART (4 CPU) 06:27:01 PM tps rtps wtps bread/s bwrtn/s 06:28:01 PM 313.86 20.06 293.80 5388.51 9933.50 06:29:01 PM 289.74 6.75 282.99 1177.87 32964.00 06:30:01 PM 343.24 1.73 341.50 79.84 19567.29 06:31:01 PM 858.09 94.72 763.37 1694.78 20381.34 Average: 451.21 30.81 420.40 2085.40 20711.10 06:27:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:28:01 PM 13156528 15049156 2982784 18.48 2688 2103920 1151628 6.70 153144 2457532 263380 06:29:01 PM 9800656 12373836 6338656 39.27 2688 2764984 4390416 25.54 270872 5596672 396 06:30:01 PM 10376156 13847184 5763156 35.71 2688 3521588 1913596 11.13 354112 4666804 381316 06:31:01 PM 8971528 12560692 7167784 44.41 2688 3579188 2047992 11.92 404356 5843348 20 Average: 10576217 13457717 5563095 34.47 2688 2992420 2375908 13.82 295621 4641089 161278 06:27:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:28:01 PM eth0 385.67 216.01 2077.91 68.99 0.00 0.00 0.00 0.00 06:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:29:01 PM lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 06:29:01 PM eth0 454.97 327.44 5889.73 47.13 0.00 0.00 0.00 0.00 06:29:01 PM docker0 0.12 0.22 0.00 0.02 0.00 0.00 0.00 0.00 06:29:01 PM veth49e2eb4 0.08 0.32 0.00 0.03 0.00 0.00 0.00 0.00 06:29:01 PM veth4fc3ee5 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 06:30:01 PM lo 5.98 5.98 4.50 4.50 0.00 0.00 0.00 0.00 06:30:01 PM eth0 195.83 146.13 1802.36 26.43 0.00 0.00 0.00 0.00 06:30:01 PM docker0 3.22 3.07 4.08 0.44 0.00 0.00 0.00 0.00 06:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:31:01 PM eth0 4.40 3.35 58.77 1.08 0.00 0.00 0.00 0.00 06:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.56 1.56 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 260.23 173.24 2457.28 35.91 0.00 0.00 0.00 0.00 Average: docker0 0.83 0.82 1.02 0.12 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) 05/25/2026 _x86_64_ (4 CPU) 18:26:46 LINUX RESTART (4 CPU) 06:27:01 PM CPU %user %nice %system %iowait %steal %idle 06:28:01 PM all 25.42 0.00 3.14 1.34 0.08 70.02 06:28:01 PM 0 24.36 0.00 2.36 0.64 0.08 72.56 06:28:01 PM 1 23.71 0.00 2.69 0.64 0.08 72.88 06:28:01 PM 2 31.06 0.00 3.80 1.00 0.08 64.05 06:28:01 PM 3 22.55 0.00 3.71 3.10 0.07 70.58 06:29:01 PM all 39.44 0.00 3.88 1.86 0.09 54.73 06:29:01 PM 0 37.49 0.00 3.06 1.41 0.10 57.94 06:29:01 PM 1 40.16 0.00 3.90 1.93 0.08 53.93 06:29:01 PM 2 41.65 0.00 3.87 1.29 0.08 53.11 06:29:01 PM 3 38.45 0.00 4.72 2.79 0.10 53.94 06:30:01 PM all 39.24 0.10 9.37 1.72 0.09 49.47 06:30:01 PM 0 27.21 0.12 7.48 1.24 0.10 63.84 06:30:01 PM 1 39.90 0.05 10.90 2.34 0.08 46.72 06:30:01 PM 2 56.07 0.07 10.10 1.34 0.08 32.33 06:30:01 PM 3 33.72 0.15 9.01 1.97 0.09 55.07 06:31:01 PM all 35.41 0.00 4.35 5.80 0.10 54.34 06:31:01 PM 0 23.70 0.00 3.98 6.14 0.08 66.09 06:31:01 PM 1 34.53 0.00 5.01 6.44 0.10 53.91 06:31:01 PM 2 63.90 0.00 4.04 4.61 0.10 27.34 06:31:01 PM 3 19.47 0.00 4.38 6.01 0.10 70.04 Average: all 34.85 0.02 5.17 2.68 0.09 57.18 Average: 0 28.19 0.03 4.21 2.36 0.09 65.12 Average: 1 34.55 0.01 5.61 2.84 0.09 56.90 Average: 2 48.14 0.02 5.44 2.06 0.09 44.26 Average: 3 28.52 0.04 5.44 3.48 0.09 62.44