---> uname -a: Linux prd-centos8-docker-4c-4g-3592.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 10791 20 3913 14354 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:cd:86:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.94/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85890sec preferred_lft 85890sec inet6 fe80::f816:3eff:fecd:869c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0d:c3:05:b6 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:dff:fec3:5b6/64 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) 10/20/2026 _x86_64_ (4 CPU) 06:52:20 LINUX RESTART (4 CPU) 06:53:01 AM tps rtps wtps bread/s bwrtn/s 06:54:01 AM 154.08 6.85 147.23 1117.23 3713.53 06:55:01 AM 97.35 0.53 96.82 149.98 9130.31 06:56:01 AM 194.04 5.51 188.52 620.73 10416.03 06:57:01 AM 29.87 0.43 29.44 396.80 5485.00 06:58:01 AM 70.41 1.43 68.98 61.05 12824.21 06:59:01 AM 661.73 0.47 661.26 22.79 26079.21 07:00:01 AM 575.84 94.80 481.04 1698.78 12478.39 07:01:02 AM 62.79 24.02 38.76 475.63 2080.21 Average: 230.75 16.76 214.00 567.86 10275.67 06:53:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:54:01 AM 13513980 15093256 2625336 16.27 2688 1806200 1165276 6.78 139380 2167648 16392 06:55:01 AM 13199180 15131928 2940136 18.22 2688 2141856 1091196 6.35 140236 2414276 155784 06:56:01 AM 11802824 14001292 4336492 26.87 2688 2401340 2211976 12.87 203372 3712912 141640 06:57:01 AM 11727968 13952696 4411348 27.33 2688 2426664 2520536 14.66 205108 3778308 24 06:58:01 AM 11029932 13603076 5109384 31.66 2688 2765140 2799668 16.29 308092 4333840 2232 06:59:01 AM 10380668 13870856 5758648 35.68 2688 3515664 1859188 10.82 426532 4504840 231212 07:00:01 AM 9323208 12907036 6816108 42.23 2688 3573384 1975084 11.49 477900 5405276 16 07:01:02 AM 11036420 14682828 5102896 31.62 2688 3630768 1229724 7.15 697892 3487000 24904 Average: 11501772 14155371 4637544 28.73 2688 2782627 1856581 10.80 324814 3725512 71526 06:53:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:54:01 AM eth0 89.17 57.16 426.23 27.30 0.00 0.00 0.00 0.00 06:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:55:01 AM eth0 70.42 45.29 1085.88 6.32 0.00 0.00 0.00 0.00 06:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 AM eth0 277.31 240.85 3392.01 40.23 0.00 0.00 0.00 0.00 06:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 06:57:01 AM eth0 9.75 7.73 98.43 2.27 0.00 0.00 0.00 0.00 06:57:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 06:57:01 AM vethb4a1d1e 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 06:58:01 AM lo 7.18 7.18 5.25 5.25 0.00 0.00 0.00 0.00 06:58:01 AM eth0 103.40 58.65 2175.36 14.43 0.00 0.00 0.00 0.00 06:58:01 AM docker0 3.52 3.22 4.17 0.45 0.00 0.00 0.00 0.00 06:58:01 AM vethb4a1d1e 0.20 0.23 0.01 0.01 0.00 0.00 0.00 0.00 06:59:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 06:59:01 AM eth0 174.33 148.10 1721.06 1220.04 0.00 0.00 0.00 0.00 06:59:01 AM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 AM eth0 13.45 9.70 65.02 6.08 0.00 0.00 0.00 0.00 07:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:02 AM eth0 23.84 21.14 52.76 41.15 0.00 0.00 0.00 0.00 07:01:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.94 0.94 0.66 0.66 0.00 0.00 0.00 0.00 Average: eth0 95.21 73.58 1127.09 169.73 0.00 0.00 0.00 0.00 Average: docker0 0.46 0.44 0.52 0.06 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) 10/20/2026 _x86_64_ (4 CPU) 06:52:20 LINUX RESTART (4 CPU) 06:53:01 AM CPU %user %nice %system %iowait %steal %idle 06:54:01 AM all 9.48 0.00 1.18 0.93 0.01 88.41 06:54:01 AM 0 6.49 0.00 0.67 0.18 0.00 92.66 06:54:01 AM 1 19.71 0.00 1.59 0.43 0.02 78.26 06:54:01 AM 2 8.34 0.00 1.72 3.01 0.00 86.93 06:54:01 AM 3 3.36 0.00 0.75 0.08 0.02 95.79 06:55:01 AM all 11.39 0.00 1.19 0.56 0.00 86.86 06:55:01 AM 0 7.58 0.00 0.94 0.57 0.00 90.92 06:55:01 AM 1 5.16 0.00 0.72 0.50 0.00 93.62 06:55:01 AM 2 7.68 0.00 0.97 0.55 0.00 90.80 06:55:01 AM 3 25.13 0.00 2.15 0.62 0.00 72.09 06:56:01 AM all 28.80 0.00 1.80 1.03 0.02 68.35 06:56:01 AM 0 31.45 0.00 1.86 1.51 0.03 65.15 06:56:01 AM 1 23.56 0.00 1.97 0.87 0.02 73.58 06:56:01 AM 2 29.12 0.00 1.77 1.00 0.02 68.08 06:56:01 AM 3 31.07 0.00 1.59 0.75 0.02 66.57 06:57:01 AM all 1.13 0.00 0.30 0.22 0.00 98.35 06:57:01 AM 0 1.40 0.00 0.28 0.02 0.00 98.30 06:57:01 AM 1 0.99 0.00 0.42 0.59 0.00 98.01 06:57:01 AM 2 1.15 0.00 0.28 0.22 0.00 98.35 06:57:01 AM 3 0.99 0.00 0.23 0.05 0.00 98.73 06:58:01 AM all 25.22 0.10 2.23 0.45 0.01 72.00 06:58:01 AM 0 23.09 0.17 2.33 0.96 0.02 73.43 06:58:01 AM 1 25.67 0.12 2.15 0.22 0.00 71.85 06:58:01 AM 2 26.96 0.08 2.30 0.12 0.02 70.53 06:58:01 AM 3 25.16 0.02 2.13 0.50 0.00 72.20 06:59:01 AM all 20.07 0.00 8.71 4.13 0.01 67.09 06:59:01 AM 0 19.99 0.00 7.06 3.01 0.00 69.95 06:59:01 AM 1 12.29 0.00 9.27 4.76 0.02 73.66 06:59:01 AM 2 18.63 0.00 7.86 4.46 0.02 69.03 06:59:01 AM 3 29.38 0.00 10.66 4.29 0.02 55.66 07:00:01 AM all 33.96 0.00 2.85 3.67 0.01 59.51 07:00:01 AM 0 20.27 0.00 2.09 2.84 0.02 74.77 07:00:01 AM 1 29.20 0.00 3.55 3.96 0.00 63.29 07:00:01 AM 2 32.97 0.00 3.25 6.11 0.02 57.65 07:00:01 AM 3 53.42 0.00 2.51 1.76 0.02 42.29 07:01:02 AM all 25.20 0.00 2.15 0.52 0.01 72.11 07:01:02 AM 0 35.39 0.00 2.52 0.48 0.03 61.56 07:01:02 AM 1 24.14 0.00 1.85 0.62 0.02 73.37 07:01:02 AM 2 25.45 0.00 2.55 0.35 0.00 71.65 07:01:02 AM 3 15.81 0.00 1.69 0.64 0.00 81.87 Average: all 19.40 0.01 2.54 1.43 0.01 76.61 Average: 0 18.20 0.02 2.21 1.19 0.01 78.36 Average: 1 17.59 0.01 2.67 1.49 0.01 78.22 Average: 2 18.78 0.01 2.58 1.97 0.01 76.65 Average: 3 23.01 0.00 2.70 1.08 0.01 73.20