---> uname -a: Linux prd-centos8-docker-4c-4g-38982.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1077 10909 19 3776 14337 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:fd:b4:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.76/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:fefd:b4d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:97:55:1d:5f 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::42:97ff:fe55:1d5f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 08/19/2025 _x86_64_ (4 CPU) 13:37:49 LINUX RESTART (4 CPU) 01:38:01 PM tps rtps wtps bread/s bwrtn/s 01:39:01 PM 262.01 26.89 235.12 6251.40 38571.99 01:40:00 PM 264.10 5.99 258.11 1026.07 18276.12 01:40:01 PM 25.64 0.00 25.64 0.00 1641.03 01:41:01 PM 405.36 1.95 403.42 83.31 33127.14 01:42:01 PM 804.46 112.08 692.39 1944.36 18520.32 Average: 432.45 36.69 395.76 2319.60 27015.45 01:38:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:39:01 PM 13338340 15093288 2803192 17.37 2688 1969696 1099088 6.39 140888 2307296 158808 01:40:00 PM 11426964 13699456 4714568 29.21 2688 2471696 2946624 17.14 257416 4023744 179200 01:40:01 PM 11179600 13681696 4961932 30.74 2688 2698132 2946624 17.14 257532 4261304 405640 01:41:01 PM 10541188 13874212 5600344 34.70 2688 3383476 1822204 10.60 366044 4489980 335472 01:42:01 PM 10278996 13751920 5862536 36.32 2688 3465744 2007560 11.68 431408 4533740 16968 Average: 11353018 14020114 4788514 29.67 2688 2797749 2164420 12.59 290658 3923213 219218 01:38:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:39:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:39:01 PM eth0 383.51 229.62 1758.48 70.66 0.00 0.00 0.00 0.00 01:39:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:00 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:40:00 PM eth0 581.51 390.25 5802.84 52.36 0.00 0.00 0.00 0.00 01:40:00 PM docker0 0.07 0.17 0.00 0.02 0.00 0.00 0.00 0.00 01:40:00 PM vetha031caa 0.07 0.27 0.00 0.03 0.00 0.00 0.00 0.00 01:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 PM eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 PM vetha031caa 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 PM lo 6.03 6.03 4.51 4.51 0.00 0.00 0.00 0.00 01:41:01 PM eth0 299.12 174.26 1811.99 29.86 0.00 0.00 0.00 0.00 01:41:01 PM docker0 3.25 2.97 4.08 0.43 0.00 0.00 0.00 0.00 01:42:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:01 PM eth0 5.98 5.06 58.61 0.80 0.00 0.00 0.00 0.00 01:42:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.55 1.55 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 313.74 197.26 2320.18 38.08 0.00 0.00 0.00 0.00 Average: docker0 0.83 0.78 1.02 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 08/19/2025 _x86_64_ (4 CPU) 13:37:49 LINUX RESTART (4 CPU) 01:38:01 PM CPU %user %nice %system %iowait %steal %idle 01:39:01 PM all 26.81 0.00 3.45 3.24 0.09 66.41 01:39:01 PM 0 14.95 0.00 2.00 1.99 0.10 80.96 01:39:01 PM 1 40.38 0.00 4.26 1.02 0.10 54.25 01:39:01 PM 2 30.58 0.00 5.47 9.09 0.08 54.77 01:39:01 PM 3 21.36 0.00 2.09 0.85 0.08 75.60 01:40:00 PM all 37.45 0.00 2.99 1.78 0.11 57.67 01:40:00 PM 0 32.91 0.00 3.07 1.27 0.10 62.65 01:40:00 PM 1 48.40 0.00 3.51 1.62 0.12 46.35 01:40:00 PM 2 35.99 0.00 2.14 1.09 0.10 60.68 01:40:00 PM 3 32.50 0.00 3.23 3.14 0.12 61.01 01:40:01 PM all 41.89 0.00 15.73 0.00 0.17 42.22 01:40:01 PM 0 39.60 0.00 18.12 0.00 0.00 42.28 01:40:01 PM 1 56.95 0.00 9.93 0.00 0.00 33.11 01:40:01 PM 2 35.33 0.00 15.33 0.00 0.67 48.67 01:40:01 PM 3 35.71 0.00 19.48 0.00 0.00 44.81 01:41:01 PM all 35.72 0.09 8.81 3.44 0.11 51.83 01:41:01 PM 0 28.97 0.12 7.63 3.58 0.12 59.58 01:41:01 PM 1 47.19 0.00 10.09 3.57 0.12 39.03 01:41:01 PM 2 30.92 0.03 8.28 2.53 0.10 58.13 01:41:01 PM 3 35.84 0.19 9.24 4.08 0.12 50.54 01:42:01 PM all 36.45 0.00 3.98 6.39 0.14 53.04 01:42:01 PM 0 24.37 0.00 2.95 4.83 0.12 67.73 01:42:01 PM 1 22.58 0.00 3.93 5.97 0.15 67.37 01:42:01 PM 2 75.61 0.00 5.22 8.60 0.13 10.43 01:42:01 PM 3 23.29 0.00 3.81 6.18 0.17 66.55 Average: all 34.12 0.02 4.87 3.70 0.12 57.16 Average: 0 25.32 0.03 3.99 2.91 0.11 67.64 Average: 1 39.66 0.00 5.47 3.03 0.12 51.72 Average: 2 43.31 0.01 5.35 5.33 0.11 45.89 Average: 3 28.24 0.05 4.68 3.54 0.12 63.37