---> uname -a: Linux prd-centos8-docker-4c-4g-13489.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 1027 10812 19 3920 14384 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:f6:6d:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.198/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86115sec preferred_lft 86115sec inet6 fe80::f816:3eff:fef6:6d7e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:04:8c:fc:25 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::42:4ff:fe8c:fc25/64 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) 21:55:14 LINUX RESTART (4 CPU) 09:56:01 PM tps rtps wtps bread/s bwrtn/s 09:57:01 PM 252.72 5.20 247.53 742.16 15729.74 09:58:01 PM 210.48 2.80 207.68 516.05 33832.08 09:59:01 PM 1119.14 95.12 1024.03 1697.83 27582.27 10:00:01 PM 86.25 24.74 61.51 546.62 2846.68 Average: 417.15 31.96 385.19 875.67 19996.94 09:56:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:57:01 PM 12364112 14560472 3775208 23.39 2688 2399108 1585964 9.23 175336 3178440 252256 09:58:01 PM 10941476 14094864 5197844 32.21 2688 3285608 1854084 10.79 425416 4187892 219340 09:59:01 PM 9606352 13199000 6532968 40.48 2688 3582220 1956316 11.38 475576 5141040 20 10:00:01 PM 11090720 14747928 5048600 31.28 2688 3639712 1185500 6.90 705856 3437716 24352 Average: 11000665 14150566 5138655 31.84 2688 3226662 1645466 9.57 445546 3986272 123992 09:56:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:57:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:57:01 PM eth0 337.95 260.49 4496.47 43.70 0.00 0.00 0.00 0.00 09:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:58:01 PM lo 6.03 6.03 4.51 4.51 0.00 0.00 0.00 0.00 09:58:01 PM eth0 382.27 271.59 3657.56 1209.86 0.00 0.00 0.00 0.00 09:58:01 PM docker0 3.18 3.10 4.08 0.45 0.00 0.00 0.00 0.00 09:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:59:01 PM eth0 50.82 27.49 582.70 5.25 0.00 0.00 0.00 0.00 09:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 PM eth0 37.50 31.99 64.37 46.29 0.00 0.00 0.00 0.00 10:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.51 1.51 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 202.13 147.89 2200.31 326.23 0.00 0.00 0.00 0.00 Average: docker0 0.80 0.77 1.02 0.11 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) 21:55:14 LINUX RESTART (4 CPU) 09:56:01 PM CPU %user %nice %system %iowait %steal %idle 09:57:01 PM all 27.18 0.00 2.55 1.46 0.09 68.73 09:57:01 PM 0 20.93 0.00 1.75 0.99 0.08 76.24 09:57:01 PM 1 25.70 0.00 3.08 1.99 0.08 69.15 09:57:01 PM 2 29.95 0.00 2.93 1.54 0.08 65.50 09:57:01 PM 3 32.14 0.00 2.43 1.32 0.10 64.01 09:58:01 PM all 47.31 0.08 5.72 1.28 0.12 45.49 09:58:01 PM 0 52.25 0.08 5.50 0.57 0.12 41.47 09:58:01 PM 1 45.58 0.02 6.57 1.35 0.14 46.34 09:58:01 PM 2 45.39 0.12 5.69 1.43 0.12 47.25 09:58:01 PM 3 46.00 0.12 5.11 1.75 0.12 46.90 09:59:01 PM all 32.39 0.00 7.01 6.91 0.11 53.58 09:59:01 PM 0 27.48 0.00 8.77 8.82 0.10 54.82 09:59:01 PM 1 18.75 0.00 7.07 8.09 0.10 65.99 09:59:01 PM 2 44.17 0.00 6.17 4.29 0.12 45.25 09:59:01 PM 3 39.18 0.00 6.03 6.44 0.10 48.25 10:00:01 PM all 32.76 0.00 2.25 0.37 0.08 64.54 10:00:01 PM 0 53.14 0.00 3.16 0.47 0.10 43.14 10:00:01 PM 1 19.99 0.00 1.59 0.47 0.07 77.88 10:00:01 PM 2 28.16 0.00 1.92 0.30 0.08 69.53 10:00:01 PM 3 29.72 0.00 2.33 0.25 0.07 67.63 Average: all 34.89 0.02 4.37 2.50 0.10 58.12 Average: 0 38.45 0.02 4.79 2.70 0.10 53.94 Average: 1 27.48 0.00 4.57 2.97 0.10 64.88 Average: 2 36.88 0.03 4.17 1.89 0.10 56.94 Average: 3 36.74 0.03 3.97 2.43 0.10 56.74