---> uname -a: Linux prd-centos8-docker-4c-4g-2657.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 1626 10214 19 3921 13787 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:4e:2a:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.154/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86079sec preferred_lft 86079sec inet6 fe80::f816:3eff:fe4e:2aed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5a:fd:17:53 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::42:5aff:fefd:1753/64 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) 04/18/2026 _x86_64_ (4 CPU) 09:27:22 LINUX RESTART (4 CPU) 09:28:02 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 210.25 4.98 205.27 454.30 11564.97 09:30:01 AM 207.50 2.46 205.04 785.57 27277.07 09:30:01 AM 1645.07 0.00 1645.07 0.00 708309.86 09:31:01 AM 1079.98 95.07 984.91 1697.28 30194.64 09:32:01 AM 65.84 25.11 40.74 461.71 3274.29 Average: 395.96 32.01 363.94 849.09 20128.24 09:28:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12685216 14718076 3456316 21.41 2688 2239532 1517036 8.83 166364 2892048 231956 09:30:01 AM 11282432 14167120 4859100 30.10 2688 3068084 2129868 12.39 374504 3997064 309940 09:30:01 AM 11273464 14173744 4868068 30.16 2688 3080628 1817948 10.58 375204 3996828 75140 09:31:01 AM 9810516 13386932 6331016 39.22 2688 3570100 1885508 10.97 424732 5006300 6768 09:32:01 AM 10539156 14189784 5602376 34.71 2688 3641252 1652792 9.61 530556 4189256 60 Average: 11118157 14127131 5023375 31.12 2688 3119919 1800630 10.47 374272 4016299 124773 09:28:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 219.47 180.78 3346.69 36.19 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 6.54 6.54 4.56 4.56 0.00 0.00 0.00 0.00 09:30:01 AM eth0 445.78 296.29 5576.53 41.11 0.00 0.00 0.00 0.00 09:30:01 AM docker0 3.39 3.19 4.14 0.46 0.00 0.00 0.00 0.00 09:30:01 AM vethc4b7272 0.13 0.42 0.01 0.03 0.00 0.00 0.00 0.00 09:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM eth0 307.04 239.44 2807.74 36.71 0.00 0.00 0.00 0.00 09:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM eth0 111.74 72.85 962.34 12.81 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 254.70 146.18 410.31 183.37 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.62 1.62 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 257.67 173.82 2562.41 68.49 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.79 1.03 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) 04/18/2026 _x86_64_ (4 CPU) 09:27:22 LINUX RESTART (4 CPU) 09:28:02 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 24.28 0.00 2.27 1.63 0.10 71.72 09:29:01 AM 0 34.02 0.00 2.43 1.31 0.08 62.16 09:29:01 AM 1 14.38 0.00 2.59 2.08 0.12 80.84 09:29:01 AM 2 13.59 0.00 1.65 1.75 0.10 82.91 09:29:01 AM 3 35.10 0.00 2.41 1.38 0.10 61.01 09:30:01 AM all 49.80 0.11 4.41 1.19 0.11 44.38 09:30:01 AM 0 46.90 0.10 4.42 1.40 0.10 47.07 09:30:01 AM 1 48.72 0.20 4.50 0.68 0.10 45.79 09:30:01 AM 2 56.55 0.08 4.45 1.36 0.10 37.45 09:30:01 AM 3 47.03 0.03 4.27 1.33 0.12 47.22 09:30:01 AM all 26.10 0.00 18.01 14.71 0.37 40.81 09:30:01 AM 0 48.53 0.00 23.53 13.24 0.00 14.71 09:30:01 AM 1 16.42 0.00 17.91 35.82 0.00 29.85 09:30:01 AM 2 25.37 0.00 17.91 0.00 0.00 56.72 09:30:01 AM 3 14.29 0.00 12.86 10.00 1.43 61.43 09:31:01 AM all 30.01 0.00 8.79 7.27 0.10 53.83 09:31:01 AM 0 50.32 0.00 11.03 7.91 0.10 30.64 09:31:01 AM 1 17.02 0.00 9.25 9.09 0.09 64.56 09:31:01 AM 2 19.14 0.00 7.24 5.67 0.12 67.83 09:31:01 AM 3 33.45 0.00 7.62 6.41 0.09 52.43 09:32:01 AM all 42.30 0.00 2.09 0.44 0.08 55.10 09:32:01 AM 0 47.21 0.00 1.74 0.10 0.10 50.85 09:32:01 AM 1 57.06 0.00 2.47 0.53 0.08 39.85 09:32:01 AM 2 40.29 0.00 2.26 0.47 0.07 56.92 09:32:01 AM 3 24.61 0.00 1.87 0.65 0.07 72.80 Average: all 36.60 0.03 4.41 2.65 0.10 56.21 Average: 0 44.63 0.03 4.94 2.70 0.10 47.60 Average: 1 34.38 0.05 4.72 3.17 0.10 57.59 Average: 2 32.42 0.02 3.93 2.30 0.10 61.24 Average: 3 34.95 0.01 4.06 2.45 0.10 58.44