---> uname -a: Linux prd-centos8-docker-4c-4g-113.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: 2800.000 BogoMIPS: 5600.00 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 802 11589 19 3371 14612 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:62:88:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.195/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85915sec preferred_lft 85915sec inet6 fe80::f816:3eff:fe62:8838/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:07:be:93:7d 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::42:7ff:febe:937d/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) 03/28/2026 _x86_64_ (4 CPU) 08:02:55 LINUX RESTART (4 CPU) 08:04:01 AM tps rtps wtps bread/s bwrtn/s 08:05:01 AM 230.37 20.19 210.18 4025.72 14270.19 08:06:01 AM 94.17 1.73 92.43 113.45 10942.28 08:07:01 AM 4.08 0.05 4.03 1.07 329.26 08:08:01 AM 64.30 3.42 60.88 676.31 13752.32 08:09:01 AM 36.40 0.10 36.30 1.33 5142.38 08:10:01 AM 20.93 1.22 19.71 1589.35 7955.27 08:11:01 AM 139.05 0.42 138.63 57.04 2872.06 Average: 84.05 3.88 80.17 925.53 7906.36 08:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:05:01 AM 12279588 14459608 3861944 23.93 2688 2384944 1500340 8.73 222148 3234320 119012 08:06:01 AM 10747796 13123932 5393736 33.42 2688 2577576 2719256 15.82 263460 4707028 1896 08:07:01 AM 10447940 12830120 5693592 35.27 2688 2583368 2908476 16.92 265108 5003552 1012 08:08:01 AM 7161692 9999144 8979840 55.63 2688 3028036 6153056 35.79 377640 8121000 23336 08:09:01 AM 10976588 13800740 5164944 32.00 2688 3014736 2318104 13.49 409072 4290804 9672 08:10:01 AM 10466700 13589492 5674832 35.16 2688 3309088 2416172 14.06 465244 4733008 35272 08:11:01 AM 11805548 14900520 4335984 26.86 2688 3281200 1236312 7.19 676920 3190160 23408 Average: 10555122 13243365 5586410 34.61 2688 2882707 2750245 16.00 382799 4754267 30515 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 278.29 225.67 2952.91 41.26 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 297.70 205.83 2880.53 58.00 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 268.09 168.49 90.97 90.54 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 5.08 5.08 0.60 0.60 0.00 0.00 0.00 0.00 08:08:01 AM eth0 181.47 124.86 2717.48 26.10 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth27d6dc4 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-e88928b45112 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:08:01 AM veth902c193 0.00 0.20 0.00 0.02 0.00 0.00 0.00 0.00 08:09:01 AM lo 12.66 12.66 26.58 26.58 0.00 0.00 0.00 0.00 08:09:01 AM eth0 10.21 9.13 118.33 2.40 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 08:09:01 AM veth27d6dc4 0.12 0.17 0.01 0.01 0.00 0.00 0.00 0.00 08:09:01 AM br-e88928b45112 5.53 5.46 25.59 0.92 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 194.41 148.54 3042.78 13.39 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 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 64.39 58.58 25.83 254.46 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 2.54 2.54 3.89 3.89 0.00 0.00 0.00 0.00 Average: eth0 185.20 134.61 1693.74 69.01 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 0.00 0.00 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) 03/28/2026 _x86_64_ (4 CPU) 08:02:55 LINUX RESTART (4 CPU) 08:04:01 AM CPU %user %nice %system %iowait %steal %idle 08:05:01 AM all 37.89 0.00 2.21 1.30 0.08 58.52 08:05:01 AM 0 41.76 0.00 1.17 0.33 0.08 56.66 08:05:01 AM 1 46.45 0.00 2.59 1.56 0.08 49.31 08:05:01 AM 2 32.70 0.00 2.24 1.32 0.08 63.65 08:05:01 AM 3 30.64 0.00 2.84 1.99 0.08 64.45 08:06:01 AM all 53.90 0.00 1.72 0.48 0.09 43.81 08:06:01 AM 0 56.08 0.00 2.22 0.23 0.10 41.37 08:06:01 AM 1 62.43 0.00 0.90 0.13 0.08 36.45 08:06:01 AM 2 50.25 0.00 1.64 0.35 0.08 47.68 08:06:01 AM 3 46.82 0.00 2.11 1.19 0.10 49.78 08:07:01 AM all 20.02 0.00 1.38 0.02 0.08 78.50 08:07:01 AM 0 17.54 0.00 1.25 0.03 0.08 81.09 08:07:01 AM 1 24.64 0.00 1.37 0.00 0.08 73.91 08:07:01 AM 2 23.00 0.00 1.32 0.00 0.07 75.62 08:07:01 AM 3 14.91 0.00 1.59 0.03 0.07 83.40 08:08:01 AM all 41.94 0.00 2.73 0.98 0.10 54.24 08:08:01 AM 0 33.95 0.00 2.11 0.70 0.10 63.13 08:08:01 AM 1 49.91 0.00 2.88 1.39 0.10 45.72 08:08:01 AM 2 54.25 0.00 2.98 0.69 0.10 41.99 08:08:01 AM 3 29.64 0.00 2.95 1.16 0.10 66.15 08:09:01 AM all 20.46 0.00 1.72 0.22 0.08 77.52 08:09:01 AM 0 22.87 0.00 3.27 0.17 0.08 73.61 08:09:01 AM 1 21.04 0.00 1.51 0.22 0.08 77.15 08:09:01 AM 2 17.20 0.00 1.07 0.40 0.08 81.25 08:09:01 AM 3 20.71 0.00 1.04 0.10 0.08 78.06 08:10:01 AM all 67.63 0.00 1.45 0.22 0.10 30.60 08:10:01 AM 0 56.24 0.00 1.12 0.32 0.12 42.21 08:10:01 AM 1 78.70 0.00 0.58 0.02 0.10 20.60 08:10:01 AM 2 58.48 0.00 1.35 0.52 0.08 39.57 08:10:01 AM 3 77.12 0.00 2.74 0.02 0.10 20.02 08:11:01 AM all 30.91 0.00 1.98 0.43 0.08 66.61 08:11:01 AM 0 14.11 0.00 1.24 0.03 0.07 84.55 08:11:01 AM 1 59.01 0.00 2.80 0.20 0.10 37.88 08:11:01 AM 2 27.64 0.00 2.43 1.36 0.07 68.50 08:11:01 AM 3 22.86 0.00 1.44 0.14 0.07 75.50 Average: all 38.99 0.00 1.88 0.52 0.09 58.52 Average: 0 34.70 0.00 1.77 0.26 0.09 63.18 Average: 1 48.88 0.00 1.80 0.50 0.09 48.72 Average: 2 37.67 0.00 1.86 0.66 0.08 59.73 Average: 3 34.70 0.00 2.10 0.66 0.09 62.45