---> uname -a: Linux prd-centos8-docker-4c-4g-4907.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: 2799.974 BogoMIPS: 5599.94 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 1499 10452 19 3808 13919 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:c9:b2:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.11/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85951sec preferred_lft 85951sec inet6 fe80::f816:3eff:fec9:b29b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:16:46:6a:b6 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) 08/08/2026 _x86_64_ (4 CPU) 00:33:00 LINUX RESTART (4 CPU) 12:34:01 AM tps rtps wtps bread/s bwrtn/s 12:35:01 AM 164.95 14.71 150.23 3204.40 13862.53 12:36:01 AM 169.77 7.25 162.52 1028.50 41095.02 12:37:01 AM 54.46 0.05 54.41 1.07 8225.76 12:38:01 AM 3.48 0.00 3.48 0.00 260.82 12:39:01 AM 8.80 2.72 6.08 134.11 280.62 12:40:01 AM 22.56 2.70 19.86 83.44 2140.60 Average: 70.67 4.57 66.10 741.97 10977.39 12:34:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:35:01 AM 11778824 14891764 4360496 27.02 2688 3317680 1286760 7.49 185244 3765164 1097788 12:36:01 AM 10781080 14072056 5358240 33.20 2688 3489572 1858976 10.82 283640 4641544 44292 12:37:01 AM 8548064 12027048 7591256 47.04 2688 3675976 3857340 22.44 311724 6840784 2824 12:38:01 AM 8438524 11921052 7700796 47.71 2688 3679416 3873104 22.53 311768 6949644 924 12:39:01 AM 9640068 13144236 6499252 40.27 2688 3700276 2809220 16.34 326860 5735872 11764 12:40:01 AM 10705108 14244588 5434212 33.67 2688 3734728 1799500 10.47 583492 4413284 7536 Average: 9981945 13383457 6157375 38.15 2688 3599608 2580817 15.02 333788 5391049 194188 12:34:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 743.74 342.80 18114.79 36.55 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 181.72 165.09 2032.36 28.49 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 181.29 135.24 2921.56 33.01 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM eth0 428.76 271.10 116.92 113.86 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 7.15 7.15 0.84 0.84 0.00 0.00 0.00 0.00 12:39:01 AM eth0 26.10 22.86 20.34 11.91 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM eth0 303.28 176.72 628.71 221.21 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.19 1.19 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 310.83 185.64 3972.75 74.17 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) 08/08/2026 _x86_64_ (4 CPU) 00:33:00 LINUX RESTART (4 CPU) 12:34:01 AM CPU %user %nice %system %iowait %steal %idle 12:35:01 AM all 20.52 0.00 2.29 0.98 0.08 76.12 12:35:01 AM 0 10.98 0.00 1.56 1.27 0.08 86.11 12:35:01 AM 1 13.91 0.00 1.26 0.40 0.08 84.35 12:35:01 AM 2 24.19 0.00 2.46 0.97 0.07 72.31 12:35:01 AM 3 33.01 0.00 3.90 1.29 0.08 61.72 12:36:01 AM all 45.79 0.00 1.84 1.63 0.11 50.62 12:36:01 AM 0 52.48 0.00 1.49 0.65 0.10 45.28 12:36:01 AM 1 40.10 0.00 2.18 2.33 0.12 55.28 12:36:01 AM 2 45.18 0.00 1.86 0.62 0.10 52.25 12:36:01 AM 3 45.40 0.00 1.85 2.94 0.12 49.68 12:37:01 AM all 59.56 0.00 1.41 3.22 0.12 35.70 12:37:01 AM 0 43.25 0.00 1.67 3.09 0.13 51.85 12:37:01 AM 1 67.32 0.00 2.25 1.20 0.12 29.10 12:37:01 AM 2 60.36 0.00 1.00 1.04 0.12 37.49 12:37:01 AM 3 67.30 0.00 0.70 7.53 0.10 24.37 12:38:01 AM all 15.23 0.00 1.46 0.01 0.08 83.21 12:38:01 AM 0 14.07 0.00 1.20 0.02 0.07 84.64 12:38:01 AM 1 14.15 0.00 1.67 0.00 0.12 84.06 12:38:01 AM 2 15.02 0.00 1.62 0.00 0.08 83.27 12:38:01 AM 3 17.68 0.00 1.35 0.02 0.07 80.88 12:39:01 AM all 40.98 0.00 1.12 0.85 0.13 56.92 12:39:01 AM 0 35.62 0.00 1.02 0.00 0.15 63.21 12:39:01 AM 1 35.88 0.00 0.97 3.21 0.12 59.83 12:39:01 AM 2 59.43 0.00 1.20 0.07 0.13 39.16 12:39:01 AM 3 32.98 0.00 1.29 0.12 0.13 65.48 12:40:01 AM all 44.63 0.00 1.56 0.82 0.10 52.89 12:40:01 AM 0 35.69 0.00 1.52 0.20 0.15 62.43 12:40:01 AM 1 57.87 0.00 2.52 2.89 0.10 36.62 12:40:01 AM 2 34.70 0.00 0.85 0.18 0.08 64.18 12:40:01 AM 3 50.23 0.00 1.32 0.00 0.08 48.37 Average: all 37.79 0.00 1.61 1.25 0.10 59.24 Average: 0 32.02 0.00 1.41 0.87 0.11 65.59 Average: 1 38.22 0.00 1.81 1.67 0.11 58.19 Average: 2 39.82 0.00 1.50 0.48 0.10 58.10 Average: 3 41.11 0.00 1.74 1.98 0.10 55.08