---> uname -a: Linux prd-centos8-docker-4c-4g-1994.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: 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 829 11819 19 3114 14588 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:f7:04:db brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.83/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85953sec preferred_lft 85953sec inet6 fe80::f816:3eff:fef7:4db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:aa:d9:a7:fc 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:aaff:fed9:a7fc/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) 04/15/2026 _x86_64_ (4 CPU) 17:42:52 LINUX RESTART (4 CPU) 05:43:01 PM tps rtps wtps bread/s bwrtn/s 05:44:01 PM 383.29 145.33 237.96 13720.62 43045.44 05:45:01 PM 218.98 20.18 198.80 4128.09 14115.58 05:46:01 PM 90.73 1.77 88.97 104.25 5169.86 05:47:01 PM 23.28 0.00 23.28 0.00 6310.03 05:48:01 PM 2.72 1.70 1.02 51.04 196.68 05:49:01 PM 90.39 1.63 88.76 495.09 15809.15 05:50:01 PM 25.59 0.42 25.17 56.11 942.82 Average: 119.29 24.43 94.85 2651.02 12227.92 05:43:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:44:01 PM 13373348 15109416 2768184 17.15 2688 1951716 1084544 6.31 145180 2270024 151116 05:45:01 PM 12212840 14358688 3928692 24.34 2688 2351260 1784548 10.38 209756 3315928 81960 05:46:01 PM 10073476 12455140 6068056 37.59 2688 2583000 3518700 20.47 263636 5380992 178708 05:47:01 PM 9576524 11964188 6565008 40.67 2688 2588812 3859976 22.45 264896 5875036 2428 05:48:01 PM 8794852 11190156 7346680 45.51 2688 2596220 4619396 26.87 267304 6651836 3036 05:49:01 PM 7536596 10354060 8604936 53.31 2688 3007964 5771992 33.58 405680 7724520 124 05:50:01 PM 12034556 14872076 4106976 25.44 2688 3027464 1240600 7.22 588928 3061572 29416 Average: 10514599 12900532 5626933 34.86 2688 2586634 3125679 18.18 306483 4897130 63827 05:43:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:44:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 PM eth0 365.68 208.76 1769.14 67.82 0.00 0.00 0.00 0.00 05:44:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 PM eth0 210.55 177.99 2353.93 33.72 0.00 0.00 0.00 0.00 05:45:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 PM eth0 245.66 189.34 3434.54 35.80 0.00 0.00 0.00 0.00 05:46:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 PM eth0 23.18 19.85 5.27 26.42 0.00 0.00 0.00 0.00 05:47:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 PM eth0 14.38 12.66 3.00 14.35 0.00 0.00 0.00 0.00 05:48:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 PM lo 16.06 16.06 27.05 27.05 0.00 0.00 0.00 0.00 05:49:01 PM eth0 162.77 130.50 2823.19 11.66 0.00 0.00 0.00 0.00 05:49:01 PM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 05:49:01 PM veth45696fe 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 05:49:01 PM br-4b0b4d19b5aa 5.78 5.76 25.65 0.94 0.00 0.00 0.00 0.00 05:50:01 PM lo 0.98 0.98 0.05 0.05 0.00 0.00 0.00 0.00 05:50:01 PM eth0 21.64 18.21 15.80 18.97 0.00 0.00 0.00 0.00 05:50:01 PM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.43 2.43 3.87 3.87 0.00 0.00 0.00 0.00 Average: eth0 149.13 108.19 1486.40 29.82 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) 04/15/2026 _x86_64_ (4 CPU) 17:42:52 LINUX RESTART (4 CPU) 05:43:01 PM CPU %user %nice %system %iowait %steal %idle 05:44:01 PM all 26.91 0.00 4.86 5.26 0.08 62.88 05:44:01 PM 0 34.46 0.00 5.15 6.90 0.08 53.41 05:44:01 PM 1 28.88 0.00 4.87 2.86 0.08 63.30 05:44:01 PM 2 28.40 0.02 6.20 4.95 0.08 60.35 05:44:01 PM 3 15.90 0.00 3.22 6.34 0.07 74.47 05:45:01 PM all 32.99 0.00 2.86 1.40 0.09 62.67 05:45:01 PM 0 29.34 0.00 3.33 1.76 0.10 65.48 05:45:01 PM 1 37.41 0.00 2.71 1.20 0.08 58.59 05:45:01 PM 2 35.60 0.00 3.44 1.45 0.10 59.40 05:45:01 PM 3 29.59 0.00 1.94 1.19 0.08 67.20 05:46:01 PM all 63.62 0.00 2.33 0.40 0.12 33.54 05:46:01 PM 0 72.93 0.00 3.09 0.50 0.12 23.36 05:46:01 PM 1 69.15 0.00 1.77 0.27 0.13 28.68 05:46:01 PM 2 59.34 0.00 2.46 0.32 0.10 37.78 05:46:01 PM 3 53.04 0.00 1.99 0.50 0.12 44.36 05:47:01 PM all 30.82 0.00 0.65 0.35 0.08 68.09 05:47:01 PM 0 43.73 0.00 0.87 0.00 0.10 55.30 05:47:01 PM 1 26.31 0.00 0.45 0.00 0.08 73.16 05:47:01 PM 2 26.23 0.00 0.72 1.29 0.07 71.70 05:47:01 PM 3 27.02 0.00 0.57 0.13 0.07 72.21 05:48:01 PM all 24.64 0.00 0.60 0.02 0.07 74.68 05:48:01 PM 0 43.03 0.00 1.17 0.05 0.07 55.68 05:48:01 PM 1 16.36 0.00 0.43 0.00 0.07 83.14 05:48:01 PM 2 15.97 0.00 0.49 0.02 0.07 83.46 05:48:01 PM 3 23.23 0.00 0.29 0.00 0.07 76.41 05:49:01 PM all 27.50 0.00 3.53 0.55 0.10 68.32 05:49:01 PM 0 30.99 0.00 3.79 0.54 0.12 64.57 05:49:01 PM 1 27.36 0.00 3.43 0.66 0.08 68.47 05:49:01 PM 2 26.37 0.00 3.10 0.35 0.10 70.08 05:49:01 PM 3 25.28 0.00 3.81 0.64 0.08 70.18 05:50:01 PM all 25.27 0.00 1.39 0.15 0.08 73.11 05:50:01 PM 0 32.28 0.00 1.99 0.30 0.08 65.35 05:50:01 PM 1 23.57 0.00 1.25 0.13 0.07 74.98 05:50:01 PM 2 24.97 0.00 1.25 0.10 0.08 73.59 05:50:01 PM 3 20.26 0.00 1.09 0.07 0.07 78.52 Average: all 33.12 0.00 2.32 1.16 0.09 63.32 Average: 0 40.98 0.00 2.77 1.43 0.10 54.73 Average: 1 32.72 0.00 2.13 0.73 0.09 64.33 Average: 2 31.00 0.00 2.52 1.21 0.09 65.18 Average: 3 27.77 0.00 1.84 1.27 0.08 69.04