---> uname -a: Linux prd-centos8-docker-4c-4g-5281.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 825 11464 19 3470 14586 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:02:9a:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.237/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85895sec preferred_lft 85895sec inet6 fe80::f816:3eff:fe02:9ad8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d7:08:f1:31 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:d7ff:fe08:f131/64 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) 05/30/2026 _x86_64_ (4 CPU) 08:03:11 LINUX RESTART (4 CPU) 08:04:01 AM tps rtps wtps bread/s bwrtn/s 08:05:01 AM 226.17 19.09 207.08 3852.34 12046.29 08:06:01 AM 116.18 2.95 113.23 285.15 12488.50 08:07:01 AM 25.97 0.00 25.97 0.00 6427.84 08:08:01 AM 13.26 1.05 12.21 113.45 454.14 08:09:01 AM 86.94 2.45 84.49 561.68 18549.27 08:10:01 AM 18.72 1.22 17.51 1590.67 748.01 08:11:01 AM 112.76 0.08 112.67 9.86 9507.96 Average: 85.72 3.83 81.89 916.24 8603.18 08:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:05:01 AM 12590764 14808920 3548556 21.99 2688 2421640 1500884 8.73 175528 2969788 296712 08:06:01 AM 11036392 13495224 5102928 31.62 2688 2657752 2413092 14.04 264108 4409756 183376 08:07:01 AM 10704304 13167444 5435016 33.68 2688 2661932 2611244 15.19 264308 4739668 2544 08:08:01 AM 9565968 12049776 6573352 40.73 2688 2681964 3776424 21.97 273628 5861200 656 08:09:01 AM 8894808 11803908 7244512 44.89 2688 3096908 4824292 28.07 396856 6363124 972 08:10:01 AM 11088572 14244776 5050748 31.29 2688 3343532 2395792 13.94 456280 4121688 199056 08:11:01 AM 11769380 14960024 4369940 27.08 2688 3368700 1732876 10.08 663144 3221508 12136 Average: 10807170 13504296 5332150 33.04 2688 2890347 2750658 16.00 356265 4526676 99350 08:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 258.80 205.53 3131.21 37.15 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 241.53 173.64 3427.14 28.85 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM eth0 217.24 147.42 69.73 76.64 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 27.10 27.10 2.94 2.94 0.00 0.00 0.00 0.00 08:08:01 AM eth0 331.93 227.36 99.29 104.18 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM lo 12.95 12.95 26.63 26.63 0.00 0.00 0.00 0.00 08:09:01 AM eth0 231.94 126.71 2833.40 13.04 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 08:09:01 AM veth4ac7848 0.18 0.43 0.01 0.04 0.00 0.00 0.00 0.00 08:09:01 AM br-6ff9970758dd 5.56 5.76 25.61 0.94 0.00 0.00 0.00 0.00 08:10:01 AM lo 1.52 1.52 0.11 0.11 0.00 0.00 0.00 0.00 08:10:01 AM eth0 188.26 140.15 3142.44 12.78 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 60.83 45.30 9.80 249.52 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 5.94 5.94 4.24 4.24 0.00 0.00 0.00 0.00 Average: eth0 218.64 152.29 1816.12 74.60 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 05/30/2026 _x86_64_ (4 CPU) 08:03:11 LINUX RESTART (4 CPU) 08:04:01 AM CPU %user %nice %system %iowait %steal %idle 08:05:01 AM all 26.61 0.00 2.47 2.43 0.09 68.40 08:05:01 AM 0 25.50 0.00 2.09 1.25 0.10 71.06 08:05:01 AM 1 32.71 0.00 2.41 2.26 0.10 62.52 08:05:01 AM 2 26.81 0.00 3.12 4.17 0.08 65.82 08:05:01 AM 3 21.39 0.00 2.28 2.04 0.08 74.20 08:06:01 AM all 64.29 0.00 1.85 0.76 0.12 32.98 08:06:01 AM 0 62.42 0.00 1.89 0.72 0.12 34.86 08:06:01 AM 1 63.40 0.00 1.77 0.25 0.12 34.46 08:06:01 AM 2 70.74 0.00 1.67 1.35 0.12 26.12 08:06:01 AM 3 60.61 0.00 2.06 0.74 0.12 36.48 08:07:01 AM all 21.76 0.00 1.23 0.43 0.08 76.49 08:07:01 AM 0 19.40 0.00 1.02 0.42 0.08 79.08 08:07:01 AM 1 21.66 0.00 1.25 0.32 0.07 76.70 08:07:01 AM 2 25.08 0.00 1.20 0.87 0.08 72.77 08:07:01 AM 3 20.92 0.00 1.45 0.13 0.08 77.41 08:08:01 AM all 31.95 0.00 2.05 1.17 0.09 64.74 08:08:01 AM 0 50.36 0.00 1.76 1.39 0.10 46.40 08:08:01 AM 1 21.15 0.00 2.27 1.39 0.08 75.10 08:08:01 AM 2 33.96 0.00 1.87 0.67 0.08 63.42 08:08:01 AM 3 22.30 0.00 2.31 1.24 0.08 74.06 08:09:01 AM all 30.76 0.00 3.54 1.47 0.10 64.14 08:09:01 AM 0 30.05 0.00 2.86 1.61 0.08 65.40 08:09:01 AM 1 33.12 0.00 3.37 2.35 0.10 61.05 08:09:01 AM 2 25.62 0.00 4.99 1.53 0.10 67.76 08:09:01 AM 3 34.25 0.00 2.95 0.37 0.10 62.33 08:10:01 AM all 39.42 0.00 1.17 0.20 0.09 59.13 08:10:01 AM 0 39.05 0.00 1.15 0.13 0.08 59.58 08:10:01 AM 1 37.63 0.00 1.09 0.52 0.10 60.66 08:10:01 AM 2 42.42 0.00 1.74 0.13 0.08 55.63 08:10:01 AM 3 38.56 0.00 0.70 0.00 0.08 60.65 08:11:01 AM all 62.61 0.00 1.67 0.57 0.10 35.05 08:11:01 AM 0 67.57 0.00 2.00 1.27 0.10 29.05 08:11:01 AM 1 59.23 0.00 1.17 0.30 0.10 39.20 08:11:01 AM 2 73.37 0.00 2.50 0.10 0.12 23.91 08:11:01 AM 3 50.28 0.00 1.00 0.60 0.10 48.02 Average: all 39.64 0.00 2.00 1.00 0.09 57.27 Average: 0 42.05 0.00 1.82 0.97 0.10 55.06 Average: 1 38.42 0.00 1.90 1.05 0.10 58.53 Average: 2 42.59 0.00 2.44 1.26 0.10 53.62 Average: 3 35.48 0.00 1.82 0.73 0.09 61.88