---> uname -a: Linux prd-centos8-docker-4c-4g-13423.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: 2799.996 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 1041 10795 19 3924 14370 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:5f:aa:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.237/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86083sec preferred_lft 86083sec inet6 fe80::f816:3eff:fe5f:aaa7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3b:f0:d8:4c 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::42:3bff:fef0:d84c/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) 07/28/2026 _x86_64_ (4 CPU) 18:58:54 LINUX RESTART (4 CPU) 06:59:01 PM tps rtps wtps bread/s bwrtn/s 07:00:01 PM 406.38 125.96 280.42 13973.63 43366.04 07:01:01 PM 304.83 6.58 298.25 1167.61 34233.47 07:02:01 PM 55.18 1.12 54.06 45.17 1362.86 07:03:01 PM 1235.61 95.10 1140.51 1697.85 37705.10 07:04:02 PM 73.11 23.81 49.30 475.97 2158.73 Average: 414.97 50.51 364.46 3471.88 23763.28 06:59:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 PM 13277972 15064072 2861348 17.73 2688 2001084 1134932 6.60 141960 2364248 187732 07:01:01 PM 9880732 12470756 6258588 38.78 2688 2781420 4259252 24.78 273336 5515256 540 07:02:01 PM 11222748 14141684 4916572 30.46 2688 3095860 1867724 10.87 354056 4062864 315400 07:03:01 PM 9752116 13348820 6387204 39.58 2688 3586316 1944824 11.32 403456 5060672 6756 07:04:02 PM 11121120 14779000 5018200 31.09 2688 3641764 1152760 6.71 622492 3479436 38180 Average: 11050938 13960866 5088382 31.53 2688 3021289 2071898 12.05 359060 4096495 109722 06:59:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 PM eth0 399.15 217.91 1843.93 73.22 0.00 0.00 0.00 0.00 07:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:01 PM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 07:01:01 PM eth0 390.54 295.98 6071.88 44.36 0.00 0.00 0.00 0.00 07:01:01 PM docker0 0.12 0.22 0.00 0.02 0.00 0.00 0.00 0.00 07:01:01 PM vethbd0e7fa 0.08 0.32 0.00 0.03 0.00 0.00 0.00 0.00 07:01:01 PM veth243165f 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:02:01 PM lo 6.08 6.08 4.53 4.53 0.00 0.00 0.00 0.00 07:02:01 PM eth0 91.77 76.78 908.38 20.07 0.00 0.00 0.00 0.00 07:02:01 PM docker0 3.36 3.11 4.09 0.44 0.00 0.00 0.00 0.00 07:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 PM eth0 94.78 68.59 966.50 12.32 0.00 0.00 0.00 0.00 07:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:02 PM eth0 30.61 25.74 59.92 10.10 0.00 0.00 0.00 0.00 07:04:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 201.37 137.00 1970.08 32.01 0.00 0.00 0.00 0.00 Average: docker0 0.70 0.67 0.82 0.09 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) 07/28/2026 _x86_64_ (4 CPU) 18:58:54 LINUX RESTART (4 CPU) 06:59:01 PM CPU %user %nice %system %iowait %steal %idle 07:00:01 PM all 28.41 0.00 4.92 2.91 0.10 63.66 07:00:01 PM 0 33.74 0.00 3.97 3.27 0.10 58.92 07:00:01 PM 1 28.46 0.00 6.83 3.78 0.10 60.82 07:00:01 PM 2 19.80 0.00 4.19 1.11 0.10 74.80 07:00:01 PM 3 31.60 0.00 4.70 3.49 0.10 60.11 07:01:01 PM all 41.38 0.04 3.88 1.93 0.13 52.65 07:01:01 PM 0 42.31 0.00 3.73 1.78 0.12 52.07 07:01:01 PM 1 33.52 0.12 3.57 1.63 0.13 61.03 07:01:01 PM 2 40.81 0.00 4.25 2.65 0.12 52.17 07:01:01 PM 3 48.91 0.03 3.96 1.65 0.13 45.32 07:02:01 PM all 23.90 0.08 1.98 2.90 1.47 69.67 07:02:01 PM 0 23.48 0.18 1.79 2.08 1.30 71.18 07:02:01 PM 1 26.19 0.07 2.99 4.71 1.61 64.43 07:02:01 PM 2 23.98 0.02 1.78 2.49 1.11 70.63 07:02:01 PM 3 21.98 0.05 1.35 2.31 1.88 72.43 07:03:01 PM all 29.40 0.00 9.35 9.30 0.14 51.82 07:03:01 PM 0 49.41 0.00 8.89 8.56 0.15 32.98 07:03:01 PM 1 21.03 0.00 9.22 9.08 0.12 60.55 07:03:01 PM 2 14.67 0.00 8.96 10.99 0.14 65.25 07:03:01 PM 3 32.44 0.00 10.32 8.56 0.14 48.55 07:04:02 PM all 35.95 0.00 2.25 0.38 0.11 61.32 07:04:02 PM 0 43.36 0.00 2.47 0.35 0.12 53.70 07:04:02 PM 1 46.69 0.00 2.63 0.52 0.13 50.03 07:04:02 PM 2 26.26 0.00 1.98 0.44 0.08 71.24 07:04:02 PM 3 27.44 0.00 1.92 0.20 0.12 70.32 Average: all 31.80 0.02 4.46 3.46 0.39 59.86 Average: 0 38.40 0.04 4.15 3.19 0.36 53.86 Average: 1 31.20 0.04 5.03 3.93 0.42 59.38 Average: 2 25.13 0.00 4.22 3.51 0.31 66.82 Average: 3 32.43 0.02 4.43 3.23 0.48 59.42