---> uname -a: Linux prd-centos8-docker-4c-4g-420.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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1043 10592 19 4126 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:96:8f:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.185/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86044sec preferred_lft 86044sec inet6 fe80::f816:3eff:fe96:8f15/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d8:d0:cc:fd 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:d8ff:fed0:ccfd/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) 02/28/2026 _x86_64_ (4 CPU) 03:29:06 LINUX RESTART (4 CPU) 03:30:01 AM tps rtps wtps bread/s bwrtn/s 03:31:01 AM 183.42 4.28 179.14 278.49 10803.98 03:32:01 AM 199.57 3.18 196.39 865.28 23333.04 03:33:01 AM 1124.02 74.56 1049.46 1427.42 38064.03 03:34:01 AM 102.78 59.34 43.44 5298.85 2228.56 03:35:01 AM 153.42 4.23 149.18 720.96 8878.14 Average: 352.67 29.12 323.55 1718.03 16663.61 03:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:31:01 AM 12853704 14763824 3287820 20.37 2688 2117664 1463688 8.51 159604 2734264 136228 03:32:01 AM 11959100 14423996 4182424 25.91 2688 2658884 1866604 10.86 326428 3402828 19152 03:33:01 AM 10389160 13837524 5752364 35.64 2688 3443496 1787736 10.40 415968 4430828 6768 03:34:01 AM 10780632 14501660 5360892 33.21 2688 3712516 1387248 8.07 468684 3987908 94320 03:35:01 AM 10841488 14707940 5300036 32.83 2688 3853000 1186136 6.90 705556 3687896 23144 Average: 11364817 14446989 4776707 29.59 2688 3157112 1538282 8.95 415248 3648745 55922 03:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 156.21 130.33 1699.20 28.34 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.06 6.06 4.57 4.57 0.00 0.00 0.00 0.00 03:32:01 AM eth0 385.76 255.02 4895.75 35.99 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.28 3.10 4.08 0.45 0.00 0.00 0.00 0.00 03:32:01 AM veth031debd 0.12 0.40 0.01 0.03 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 163.53 117.66 1627.93 18.16 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 111.58 84.14 1325.70 8.79 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 AM eth0 91.72 74.48 1802.70 31.95 0.00 0.00 0.00 0.00 03:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.21 1.21 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 181.78 132.34 2270.55 24.65 0.00 0.00 0.00 0.00 Average: docker0 0.66 0.62 0.82 0.09 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) 02/28/2026 _x86_64_ (4 CPU) 03:29:06 LINUX RESTART (4 CPU) 03:30:01 AM CPU %user %nice %system %iowait %steal %idle 03:31:01 AM all 21.59 0.00 2.02 2.83 0.11 73.44 03:31:01 AM 0 17.38 0.00 1.32 2.01 0.10 79.20 03:31:01 AM 1 19.44 0.00 1.47 2.71 0.13 76.24 03:31:01 AM 2 33.87 0.00 3.06 3.25 0.12 59.70 03:31:01 AM 3 15.69 0.00 2.24 3.37 0.08 78.62 03:32:01 AM all 43.29 0.08 3.35 2.95 0.13 50.18 03:32:01 AM 0 43.22 0.12 4.25 1.87 0.13 50.41 03:32:01 AM 1 40.92 0.02 2.54 3.09 0.12 53.31 03:32:01 AM 2 43.56 0.15 3.83 3.11 0.15 49.19 03:32:01 AM 3 45.48 0.05 2.77 3.75 0.13 47.81 03:33:01 AM all 23.54 0.00 10.62 14.20 0.15 51.48 03:33:01 AM 0 20.22 0.00 11.71 13.04 0.14 54.89 03:33:01 AM 1 21.11 0.00 10.15 13.51 0.17 55.06 03:33:01 AM 2 31.52 0.00 12.14 18.34 0.17 37.83 03:33:01 AM 3 21.38 0.00 8.51 11.94 0.14 58.04 03:34:01 AM all 43.97 0.00 1.94 1.13 0.14 52.82 03:34:01 AM 0 30.87 0.00 1.76 1.34 0.13 65.90 03:34:01 AM 1 35.76 0.00 1.64 1.09 0.13 61.38 03:34:01 AM 2 75.63 0.00 2.73 1.02 0.17 20.45 03:34:01 AM 3 33.66 0.00 1.64 1.09 0.12 63.49 03:35:01 AM all 35.44 0.00 2.01 1.17 0.11 61.27 03:35:01 AM 0 35.79 0.00 1.77 1.00 0.12 61.32 03:35:01 AM 1 27.86 0.00 1.92 0.68 0.12 69.42 03:35:01 AM 2 45.45 0.00 2.04 2.68 0.12 49.72 03:35:01 AM 3 32.66 0.00 2.31 0.32 0.10 64.61 Average: all 33.59 0.02 3.97 4.43 0.13 57.87 Average: 0 29.50 0.02 4.14 3.83 0.12 62.38 Average: 1 29.04 0.00 3.52 4.19 0.13 63.12 Average: 2 46.07 0.03 4.73 5.63 0.14 43.40 Average: 3 29.78 0.01 3.48 4.07 0.11 62.54