---> uname -a: Linux prd-centos8-docker-4c-4g-18822.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 1854 10054 19 3853 13559 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:82:77:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.180/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86041sec preferred_lft 86041sec inet6 fe80::f816:3eff:fe82:7781/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0c:4e:6c:4f 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:cff:fe4e:6c4f/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) 02/21/2026 _x86_64_ (4 CPU) 09:27:43 LINUX RESTART (4 CPU) 09:28:01 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 337.60 63.96 273.64 8985.27 42947.62 09:30:01 AM 248.78 5.33 243.45 586.60 14836.42 09:31:01 AM 221.06 1.08 219.97 444.44 33197.90 09:32:01 AM 986.07 95.13 890.93 1698.12 24888.74 09:33:01 AM 66.56 24.99 41.57 461.31 2997.10 Average: 371.99 38.10 333.89 2435.11 23773.83 09:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 13365012 15118352 2776520 17.20 2688 1968516 1113600 6.48 144552 2278308 180844 09:30:01 AM 11636136 13762788 4505396 27.91 2688 2330580 2507352 14.59 206172 3887068 160460 09:31:01 AM 10840968 14105528 5300564 32.84 2688 3372908 1812880 10.55 374400 4293016 329660 09:32:01 AM 9226196 12734748 6915336 42.84 2688 3501600 1932596 11.24 424624 5585000 8 09:33:01 AM 10372156 13954824 5769376 35.74 2688 3572748 1877956 10.92 530080 4358120 4 Average: 11088094 13935248 5053438 31.31 2688 2949270 1848877 10.76 335966 4080302 134195 09:28:01 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 335.24 187.04 1726.46 73.68 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 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 09:30:01 AM eth0 366.09 289.25 4498.83 44.43 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 5.88 5.88 4.49 4.49 0.00 0.00 0.00 0.00 09:31:01 AM eth0 389.57 229.77 4003.35 35.60 0.00 0.00 0.00 0.00 09:31:01 AM docker0 3.35 3.12 4.09 0.45 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 12.71 9.98 130.95 1.79 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 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 200.40 118.59 403.36 185.25 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.90 0.90 0.00 0.00 0.00 0.00 Average: eth0 260.82 166.93 2152.72 68.15 0.00 0.00 0.00 0.00 Average: docker0 0.67 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) 02/21/2026 _x86_64_ (4 CPU) 09:27:43 LINUX RESTART (4 CPU) 09:28:01 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 25.08 0.00 3.64 5.88 0.09 65.31 09:29:01 AM 0 21.16 0.00 3.15 2.61 0.07 73.01 09:29:01 AM 1 19.70 0.00 2.45 3.23 0.12 74.51 09:29:01 AM 2 30.41 0.00 3.80 3.03 0.08 62.68 09:29:01 AM 3 29.06 0.00 5.17 14.66 0.08 51.02 09:30:01 AM all 37.98 0.00 2.35 2.58 0.13 56.96 09:30:01 AM 0 30.24 0.00 2.25 3.03 0.15 64.33 09:30:01 AM 1 38.35 0.00 2.40 3.27 0.12 55.86 09:30:01 AM 2 39.68 0.00 1.98 1.78 0.12 56.45 09:30:01 AM 3 43.66 0.00 2.79 2.23 0.12 51.21 09:31:01 AM all 35.40 0.10 7.98 4.28 0.13 52.11 09:31:01 AM 0 31.22 0.05 7.06 5.69 0.14 55.84 09:31:01 AM 1 30.92 0.17 6.70 4.76 0.14 57.31 09:31:01 AM 2 34.72 0.09 8.91 4.92 0.12 51.24 09:31:01 AM 3 44.70 0.10 9.24 1.76 0.12 44.08 09:32:01 AM all 32.15 0.00 6.37 7.43 0.10 53.95 09:32:01 AM 0 17.07 0.00 5.50 7.62 0.10 69.70 09:32:01 AM 1 36.30 0.00 6.88 7.60 0.08 49.13 09:32:01 AM 2 43.30 0.00 6.64 8.02 0.10 41.94 09:32:01 AM 3 31.97 0.00 6.47 6.47 0.12 54.98 09:33:01 AM all 38.74 0.00 2.19 0.46 0.09 58.52 09:33:01 AM 0 44.47 0.00 2.16 0.40 0.08 52.88 09:33:01 AM 1 40.42 0.00 2.01 0.42 0.10 57.06 09:33:01 AM 2 35.62 0.00 2.12 0.77 0.08 61.40 09:33:01 AM 3 34.45 0.00 2.48 0.23 0.10 62.73 Average: all 33.87 0.02 4.49 4.12 0.11 57.39 Average: 0 28.84 0.01 4.01 3.86 0.11 63.16 Average: 1 33.14 0.03 4.07 3.85 0.11 58.79 Average: 2 36.74 0.02 4.67 3.69 0.10 54.78 Average: 3 36.76 0.02 5.22 5.07 0.11 52.82