---> uname -a: Linux prd-centos8-docker-4c-4g-133.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 764 12201 20 2795 14656 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:58:a7:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.153/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85912sec preferred_lft 85912sec inet6 fe80::f816:3eff:fe58:a719/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e4:3d:da:f7 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/09/2026 _x86_64_ (4 CPU) 08:26:22 LINUX RESTART (4 CPU) 08:27:01 AM tps rtps wtps bread/s bwrtn/s 08:28:01 AM 209.16 6.15 203.02 945.82 7555.00 08:29:01 AM 105.68 14.76 90.92 3204.67 10818.23 08:30:00 AM 101.71 5.61 96.10 948.55 4918.09 08:30:01 AM 0.00 0.00 0.00 0.00 0.00 08:31:01 AM 88.30 1.73 86.57 103.32 5262.99 08:32:01 AM 25.51 0.00 25.51 0.00 6513.25 08:33:01 AM 3.23 1.72 1.52 51.06 300.60 08:34:01 AM 16.48 1.50 14.98 142.11 1153.51 Average: 78.20 4.48 73.73 767.19 5198.85 08:27:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:28:01 AM 13316056 15117528 2823252 17.49 2688 2017464 1122768 6.53 146308 2318088 172684 08:29:01 AM 12870460 14973732 3268848 20.25 2688 2311004 1295336 7.54 159624 2707264 106016 08:30:00 AM 11999624 14231928 4139684 25.65 2688 2436404 1916628 11.15 207396 3517568 91464 08:30:01 AM 12050380 14282740 4088928 25.34 2688 2436404 1916628 11.15 207412 3466888 91480 08:31:01 AM 10574772 13044488 5564536 34.48 2688 2669720 2860412 16.64 254640 4876988 185912 08:32:01 AM 10266036 12740332 5873272 36.39 2688 2674156 3066104 17.84 261292 5178036 1512 08:33:01 AM 9219432 11702396 6919876 42.88 2688 2682588 4044044 23.53 265252 6217540 116 08:34:01 AM 12522852 15035648 3616456 22.41 2688 2710732 1162624 6.76 460672 2725148 24752 Average: 11602452 13891099 4536856 28.11 2688 2492309 2173068 12.64 245324 3875940 84242 08:27:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 AM eth0 126.01 94.67 1275.00 28.64 0.00 0.00 0.00 0.00 08:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 AM eth0 186.59 127.86 910.39 15.15 0.00 0.00 0.00 0.00 08:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 AM eth0 191.82 161.41 1560.00 22.85 0.00 0.00 0.00 0.00 08:30:00 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 AM eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 AM eth0 268.49 212.80 3488.76 23.72 0.00 0.00 0.00 0.00 08:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 AM eth0 127.24 85.47 82.51 88.16 0.00 0.00 0.00 0.00 08:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 AM eth0 113.61 84.44 72.42 69.26 0.00 0.00 0.00 0.00 08:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 AM lo 6.57 6.57 0.80 0.80 0.00 0.00 0.00 0.00 08:34:01 AM eth0 22.90 20.51 12.74 9.43 0.00 0.00 0.00 0.00 08:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.94 0.94 0.11 0.11 0.00 0.00 0.00 0.00 Average: eth0 147.37 111.84 1051.49 36.66 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 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) 09/09/2026 _x86_64_ (4 CPU) 08:26:22 LINUX RESTART (4 CPU) 08:27:01 AM CPU %user %nice %system %iowait %steal %idle 08:28:01 AM all 16.85 0.00 2.07 1.27 0.02 79.80 08:28:01 AM 0 23.69 0.00 2.65 0.52 0.02 73.13 08:28:01 AM 1 10.32 0.00 1.87 2.64 0.02 85.15 08:28:01 AM 2 25.23 0.00 2.09 0.59 0.02 72.08 08:28:01 AM 3 8.12 0.00 1.66 1.34 0.02 88.87 08:29:01 AM all 11.26 0.00 1.26 0.66 0.01 86.81 08:29:01 AM 0 12.31 0.00 1.30 0.87 0.02 85.51 08:29:01 AM 1 9.11 0.00 0.97 0.55 0.00 89.37 08:29:01 AM 2 15.42 0.00 1.88 0.57 0.03 82.10 08:29:01 AM 3 8.19 0.00 0.89 0.65 0.00 90.27 08:30:00 AM all 19.90 0.00 1.21 0.49 0.03 78.37 08:30:00 AM 0 18.58 0.00 0.74 0.10 0.02 80.56 08:30:00 AM 1 21.74 0.00 1.32 0.57 0.03 76.33 08:30:00 AM 2 20.48 0.00 1.72 0.91 0.03 76.86 08:30:00 AM 3 18.80 0.00 1.06 0.36 0.03 79.75 08:30:01 AM all 21.33 0.00 0.47 0.00 0.00 78.20 08:30:01 AM 0 41.51 0.00 0.63 0.00 0.00 57.86 08:30:01 AM 1 0.63 0.00 0.63 0.00 0.00 98.74 08:30:01 AM 2 41.14 0.00 0.00 0.00 0.00 58.86 08:30:01 AM 3 1.91 0.00 0.64 0.00 0.00 97.45 08:31:01 AM all 47.35 0.00 1.68 0.33 0.03 50.60 08:31:01 AM 0 48.22 0.00 1.59 0.18 0.05 49.96 08:31:01 AM 1 44.62 0.00 1.77 0.25 0.02 53.34 08:31:01 AM 2 46.31 0.00 2.17 0.62 0.02 50.88 08:31:01 AM 3 50.26 0.00 1.20 0.28 0.03 48.22 08:32:01 AM all 34.37 0.00 1.44 0.18 0.03 63.98 08:32:01 AM 0 39.78 0.00 1.30 0.15 0.02 58.75 08:32:01 AM 1 28.54 0.00 1.55 0.30 0.03 69.57 08:32:01 AM 2 34.31 0.00 1.59 0.20 0.03 63.87 08:32:01 AM 3 34.86 0.00 1.34 0.05 0.02 63.74 08:33:01 AM all 28.06 0.00 1.24 0.03 0.02 70.65 08:33:01 AM 0 21.87 0.00 1.02 0.02 0.02 77.08 08:33:01 AM 1 55.58 0.00 1.52 0.07 0.02 42.81 08:33:01 AM 2 19.87 0.00 1.02 0.00 0.02 79.10 08:33:01 AM 3 14.91 0.00 1.42 0.02 0.03 83.62 08:34:01 AM all 52.59 0.00 1.72 0.08 0.03 45.57 08:34:01 AM 0 47.27 0.00 2.24 0.05 0.03 50.41 08:34:01 AM 1 51.79 0.00 1.53 0.02 0.03 46.63 08:34:01 AM 2 60.99 0.00 0.87 0.08 0.03 38.02 08:34:01 AM 3 50.31 0.00 2.26 0.18 0.03 47.22 Average: all 30.07 0.00 1.52 0.43 0.02 67.96 Average: 0 30.33 0.00 1.55 0.27 0.02 67.83 Average: 1 31.61 0.00 1.50 0.63 0.02 66.24 Average: 2 31.89 0.00 1.61 0.42 0.03 66.05 Average: 3 26.44 0.00 1.40 0.41 0.02 71.73