---> uname -a: Linux prd-centos8-docker-4c-4g-2782.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: 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 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1056 10722 20 3981 14353 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:74:60:af brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.75/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85897sec preferred_lft 85897sec inet6 fe80::f816:3eff:fe74:60af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4b:02:25:f0 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::42:4bff:fe02:25f0/64 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) 11/12/2026 _x86_64_ (4 CPU) 08:55:49 LINUX RESTART (4 CPU) 08:57:01 AM tps rtps wtps bread/s bwrtn/s 08:58:01 AM 63.14 0.42 62.72 39.33 5221.75 08:59:01 AM 222.68 18.48 204.20 3459.69 14684.62 09:00:01 AM 72.18 4.51 67.67 1045.34 7159.49 09:01:01 AM 13.38 0.02 13.36 0.13 884.94 09:02:01 AM 94.70 1.53 93.17 101.00 16814.41 09:03:01 AM 1242.83 95.07 1147.76 1697.58 32486.80 09:04:01 AM 66.11 24.69 41.42 533.96 2078.19 Average: 253.54 20.67 232.87 982.34 11332.61 08:57:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:58:01 AM 13343276 15132400 2796040 17.32 2688 2005928 1073324 6.24 140008 2301492 174296 08:59:01 AM 12546768 14796744 3592548 22.26 2688 2453200 1359252 7.91 160952 3017404 165240 09:00:01 AM 11818740 14132472 4320576 26.77 2688 2514920 2309700 13.44 205352 3686556 52 09:01:01 AM 11442332 14099192 4696984 29.10 2688 2849028 2357196 13.71 205456 4032824 321412 09:02:01 AM 11096112 14112996 5043204 31.25 2688 3182660 1915460 11.14 420616 4102072 191660 09:03:01 AM 9707184 13354852 6432132 39.85 2688 3636240 1993244 11.60 470640 5034380 6748 09:04:01 AM 10967316 14682180 5172000 32.05 2688 3698204 1238924 7.21 691572 3560528 41964 Average: 11560247 14330119 4579069 28.37 2688 2905740 1749586 10.18 327799 3676465 128767 08:57:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:58:01 AM eth0 68.84 42.94 903.65 6.22 0.00 0.00 0.00 0.00 08:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:59:01 AM eth0 291.22 229.13 3223.34 39.43 0.00 0.00 0.00 0.00 08:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 09:00:01 AM eth0 33.67 31.35 322.94 5.84 0.00 0.00 0.00 0.00 09:00:01 AM docker0 0.07 0.17 0.00 0.02 0.00 0.00 0.00 0.00 09:00:01 AM vethbc3bc48 0.07 0.27 0.00 0.03 0.00 0.00 0.00 0.00 09:01:01 AM lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 09:01:01 AM eth0 144.89 72.74 2174.24 9.15 0.00 0.00 0.00 0.00 09:01:01 AM docker0 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 09:01:01 AM vethbc3bc48 0.18 0.23 0.01 0.01 0.00 0.00 0.00 0.00 09:02:01 AM lo 8.11 8.11 5.38 5.38 0.00 0.00 0.00 0.00 09:02:01 AM eth0 106.50 102.17 969.50 943.55 0.00 0.00 0.00 0.00 09:02:01 AM docker0 3.36 3.08 4.09 0.44 0.00 0.00 0.00 0.00 09:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:03:01 AM eth0 97.52 70.27 910.83 11.90 0.00 0.00 0.00 0.00 09:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:01 AM lo 4.78 4.78 0.68 0.68 0.00 0.00 0.00 0.00 09:04:01 AM eth0 20.81 16.48 50.78 50.35 0.00 0.00 0.00 0.00 09:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.88 1.88 0.87 0.87 0.00 0.00 0.00 0.00 Average: eth0 109.06 80.72 1222.12 152.39 0.00 0.00 0.00 0.00 Average: docker0 0.52 0.49 0.59 0.07 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) 11/12/2026 _x86_64_ (4 CPU) 08:55:49 LINUX RESTART (4 CPU) 08:57:01 AM CPU %user %nice %system %iowait %steal %idle 08:58:01 AM all 8.96 0.00 0.91 0.43 0.01 89.70 08:58:01 AM 0 11.24 0.00 1.07 0.28 0.02 87.39 08:58:01 AM 1 6.38 0.00 0.73 0.47 0.02 92.40 08:58:01 AM 2 4.25 0.00 0.33 0.33 0.00 95.09 08:58:01 AM 3 13.95 0.00 1.49 0.63 0.00 83.93 08:59:01 AM all 18.65 0.00 2.05 2.39 0.01 76.90 08:59:01 AM 0 16.11 0.00 2.23 3.45 0.00 78.21 08:59:01 AM 1 17.82 0.00 1.42 0.70 0.02 80.04 08:59:01 AM 2 14.76 0.00 2.20 3.32 0.02 79.71 08:59:01 AM 3 25.92 0.00 2.36 2.08 0.02 69.63 09:00:01 AM all 16.47 0.00 0.80 1.00 0.02 81.71 09:00:01 AM 0 18.10 0.00 0.58 0.90 0.02 80.39 09:00:01 AM 1 11.29 0.00 0.99 1.49 0.02 86.22 09:00:01 AM 2 18.78 0.00 0.67 0.22 0.02 80.31 09:00:01 AM 3 17.71 0.00 0.95 1.40 0.02 79.92 09:01:01 AM all 2.62 0.00 0.98 0.08 0.01 96.31 09:01:01 AM 0 2.36 0.00 1.07 0.17 0.02 96.38 09:01:01 AM 1 2.89 0.00 0.75 0.02 0.02 96.32 09:01:01 AM 2 2.06 0.00 1.34 0.07 0.00 96.53 09:01:01 AM 3 3.16 0.00 0.75 0.05 0.02 96.02 09:02:01 AM all 26.73 0.08 2.96 0.88 0.02 69.33 09:02:01 AM 0 27.09 0.07 2.78 1.69 0.02 68.35 09:02:01 AM 1 22.86 0.07 3.40 0.27 0.02 73.38 09:02:01 AM 2 27.75 0.20 3.36 1.14 0.03 67.51 09:02:01 AM 3 29.21 0.00 2.31 0.40 0.02 68.07 09:03:01 AM all 27.84 0.00 8.05 8.60 0.02 55.49 09:03:01 AM 0 19.32 0.00 7.47 6.89 0.02 66.31 09:03:01 AM 1 20.45 0.00 7.35 7.79 0.02 64.40 09:03:01 AM 2 35.58 0.00 8.21 7.75 0.02 48.44 09:03:01 AM 3 35.99 0.00 9.16 11.97 0.03 42.85 09:04:01 AM all 38.73 0.00 2.11 0.59 0.05 58.52 09:04:01 AM 0 37.69 0.00 1.99 0.20 0.05 60.07 09:04:01 AM 1 30.30 0.00 2.21 0.75 0.03 66.70 09:04:01 AM 2 48.09 0.00 2.24 0.82 0.07 48.79 09:04:01 AM 3 38.85 0.00 1.99 0.60 0.05 58.51 Average: all 19.99 0.01 2.54 1.98 0.02 75.46 Average: 0 18.84 0.01 2.45 1.93 0.02 76.75 Average: 1 15.98 0.01 2.40 1.63 0.02 79.96 Average: 2 21.60 0.03 2.61 1.94 0.02 73.79 Average: 3 23.52 0.00 2.70 2.43 0.02 71.33