---> uname -a: Linux prd-centos8-docker-4c-4g-57.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 831 11870 19 3061 14586 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:87:72:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.153/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85948sec preferred_lft 85948sec inet6 fe80::f816:3eff:fe87:727a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:52:b6:f1:af 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::42:52ff:feb6:f1af/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) 02/26/2026 _x86_64_ (4 CPU) 12:20:37 LINUX RESTART (4 CPU) 12:21:01 PM tps rtps wtps bread/s bwrtn/s 12:22:01 PM 143.05 21.61 121.44 5522.84 19325.76 12:23:01 PM 215.16 19.44 195.72 3855.78 12262.36 12:24:01 PM 101.08 1.85 99.23 116.11 6637.09 12:25:01 PM 18.38 0.00 18.38 0.00 5364.07 12:26:01 PM 7.15 2.75 4.40 164.51 264.04 12:27:02 PM 86.65 0.62 86.04 424.13 18431.06 12:28:01 PM 34.72 0.46 34.26 64.93 1622.74 Average: 86.73 6.69 80.04 1453.16 9147.86 12:21:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:22:01 PM 13243324 15034764 2898208 17.95 2688 2008752 1211284 7.05 183568 2367296 208396 12:23:01 PM 12359172 14451848 3782360 23.43 2688 2298284 1687384 9.82 207616 3171420 94912 12:24:01 PM 10674716 13001984 5466816 33.87 2688 2528888 3123692 18.17 261808 4782232 136328 12:25:01 PM 10400148 12730800 5741384 35.57 2688 2532188 3123692 18.17 261876 5057084 44 12:26:01 PM 9372584 11718484 6768948 41.93 2688 2546892 4168272 24.25 273324 6066816 3724 12:27:02 PM 8763716 11536764 7377816 45.71 2688 2963740 4583488 26.66 404324 6503260 116 12:28:01 PM 12231888 15012580 3909644 24.22 2688 2970500 1124332 6.54 587440 2866148 16796 Average: 11006507 13355318 5135025 31.81 2688 2549892 2717449 15.81 311422 4402037 65759 12:21:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:22:01 PM eth0 391.39 229.04 1739.92 67.62 0.00 0.00 0.00 0.00 12:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:23:01 PM eth0 194.50 161.76 1966.11 30.82 0.00 0.00 0.00 0.00 12:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:24:01 PM eth0 249.86 177.90 3409.74 29.28 0.00 0.00 0.00 0.00 12:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:25:01 PM eth0 15.65 15.05 2.90 26.34 0.00 0.00 0.00 0.00 12:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:26:01 PM lo 2.02 2.02 0.29 0.29 0.00 0.00 0.00 0.00 12:26:01 PM eth0 20.71 19.86 4.46 13.81 0.00 0.00 0.00 0.00 12:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:02 PM lo 15.26 15.26 26.88 26.88 0.00 0.00 0.00 0.00 12:27:02 PM eth0 226.46 126.57 2828.42 10.44 0.00 0.00 0.00 0.00 12:27:02 PM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 12:27:02 PM vethdd9ed3f 0.18 0.43 0.01 0.03 0.00 0.00 0.00 0.00 12:27:02 PM br-37fcb87ce6e5 5.60 5.61 25.61 0.93 0.00 0.00 0.00 0.00 12:28:01 PM lo 0.76 0.76 0.04 0.04 0.00 0.00 0.00 0.00 12:28:01 PM eth0 21.89 18.01 16.04 8.91 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.58 2.58 3.90 3.90 0.00 0.00 0.00 0.00 Average: eth0 160.40 107.10 1427.32 26.79 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) 02/26/2026 _x86_64_ (4 CPU) 12:20:37 LINUX RESTART (4 CPU) 12:21:01 PM CPU %user %nice %system %iowait %steal %idle 12:22:01 PM all 19.00 0.00 2.59 5.61 0.09 72.72 12:22:01 PM 0 21.11 0.00 2.24 2.41 0.10 74.14 12:22:01 PM 1 30.04 0.00 3.05 6.10 0.10 60.72 12:22:01 PM 2 8.97 0.00 2.03 8.60 0.07 80.34 12:22:01 PM 3 15.85 0.00 3.05 5.33 0.08 75.69 12:23:01 PM all 32.15 0.00 2.84 3.82 0.11 61.08 12:23:01 PM 0 34.58 0.00 1.60 2.39 0.12 61.32 12:23:01 PM 1 37.59 0.00 4.23 5.70 0.12 52.37 12:23:01 PM 2 33.36 0.00 3.08 4.15 0.12 59.30 12:23:01 PM 3 23.07 0.00 2.46 3.04 0.08 71.35 12:24:01 PM all 60.73 0.00 1.97 2.36 0.13 34.80 12:24:01 PM 0 57.79 0.00 2.14 0.90 0.13 39.03 12:24:01 PM 1 64.58 0.00 1.54 3.34 0.12 30.43 12:24:01 PM 2 68.04 0.00 2.14 4.49 0.15 25.18 12:24:01 PM 3 52.50 0.00 2.08 0.69 0.13 44.60 12:25:01 PM all 16.01 0.00 0.37 1.01 0.06 82.55 12:25:01 PM 0 18.22 0.00 0.30 0.00 0.07 81.41 12:25:01 PM 1 16.99 0.00 0.40 0.28 0.07 82.25 12:25:01 PM 2 16.15 0.00 0.30 0.13 0.05 83.37 12:25:01 PM 3 12.68 0.00 0.48 3.62 0.05 83.16 12:26:01 PM all 42.33 0.00 0.88 0.15 0.10 56.53 12:26:01 PM 0 65.38 0.00 1.50 0.10 0.13 32.89 12:26:01 PM 1 33.57 0.00 0.84 0.07 0.10 65.43 12:26:01 PM 2 37.11 0.00 0.80 0.45 0.08 61.56 12:26:01 PM 3 33.26 0.00 0.38 0.00 0.10 66.26 12:27:02 PM all 21.55 0.00 3.50 4.57 0.11 70.27 12:27:02 PM 0 24.76 0.00 4.63 2.50 0.10 68.01 12:27:02 PM 1 22.31 0.00 2.99 5.75 0.10 68.84 12:27:02 PM 2 18.89 0.00 3.36 4.26 0.12 73.37 12:27:02 PM 3 20.22 0.00 3.02 5.78 0.10 70.88 12:28:01 PM all 26.39 0.00 1.52 0.27 0.08 71.75 12:28:01 PM 0 36.00 0.00 2.00 0.37 0.08 61.54 12:28:01 PM 1 27.53 0.00 1.43 0.20 0.08 70.75 12:28:01 PM 2 24.61 0.00 1.46 0.36 0.07 73.50 12:28:01 PM 3 17.38 0.00 1.21 0.14 0.07 81.21 Average: all 31.18 0.00 1.95 2.54 0.10 64.22 Average: 0 36.84 0.00 2.06 1.24 0.11 59.76 Average: 1 33.25 0.00 2.07 3.07 0.10 61.52 Average: 2 29.62 0.00 1.88 3.21 0.09 65.20 Average: 3 25.01 0.00 1.81 2.66 0.09 70.43