---> uname -a: Linux prd-centos8-docker-4c-4g-6832.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 789 11918 19 3054 14628 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:a3:32:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.120/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86001sec preferred_lft 86001sec inet6 fe80::f816:3eff:fea3:3282/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:15:02:56:66 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::42:15ff:fe02:5666/64 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) 02/10/2026 _x86_64_ (4 CPU) 22:01:24 LINUX RESTART (4 CPU) 10:02:01 PM tps rtps wtps bread/s bwrtn/s 10:03:01 PM 219.21 18.28 200.93 3298.23 11172.18 10:04:01 PM 128.19 3.25 124.95 774.82 9110.66 10:05:01 PM 24.68 0.05 24.63 1.07 6433.22 10:06:01 PM 2.88 1.80 1.08 56.52 306.93 10:07:01 PM 87.02 1.65 85.37 500.63 15914.61 10:08:01 PM 31.96 0.48 31.47 64.11 1253.73 Average: 82.33 4.25 78.08 782.58 7365.56 10:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:03:01 PM 12710168 14769024 3431364 21.26 2688 2265136 1396348 8.12 165788 2867508 185640 10:04:01 PM 11119760 13437044 5021772 31.11 2688 2518492 2579028 15.00 261116 4336192 183892 10:05:01 PM 10866236 13187612 5275296 32.68 2688 2522412 2696020 15.68 261400 4588960 944 10:06:01 PM 8939104 11271796 7202428 44.62 2688 2533316 4569692 26.58 265460 6507496 1748 10:07:01 PM 8294144 11058040 7847388 48.62 2688 2954228 5082268 29.57 403600 6968336 1000 10:08:01 PM 12165080 14938316 3976452 24.63 2688 2962620 1211044 7.05 587908 2928456 23204 Average: 10682415 13110305 5459117 33.82 2688 2626034 2922400 17.00 324212 4699491 66071 10:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:03:01 PM eth0 227.54 186.00 2631.76 31.71 0.00 0.00 0.00 0.00 10:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:04:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:04:01 PM eth0 214.20 172.39 3441.86 26.87 0.00 0.00 0.00 0.00 10:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:05:01 PM eth0 17.58 18.13 3.94 26.58 0.00 0.00 0.00 0.00 10:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:06:01 PM eth0 21.06 20.15 4.49 16.67 0.00 0.00 0.00 0.00 10:06:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:07:01 PM lo 15.58 15.58 27.00 27.00 0.00 0.00 0.00 0.00 10:07:01 PM eth0 237.47 127.36 2829.27 11.39 0.00 0.00 0.00 0.00 10:07:01 PM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 10:07:01 PM vethf034641 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 10:07:01 PM br-e1775e4a9c49 5.51 5.33 25.61 0.92 0.00 0.00 0.00 0.00 10:08:01 PM lo 0.55 0.55 0.03 0.03 0.00 0.00 0.00 0.00 10:08:01 PM eth0 26.09 21.88 18.20 10.08 0.00 0.00 0.00 0.00 10:08:01 PM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.69 2.69 4.50 4.50 0.00 0.00 0.00 0.00 Average: eth0 124.00 90.99 1488.46 20.55 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 02/10/2026 _x86_64_ (4 CPU) 22:01:24 LINUX RESTART (4 CPU) 10:02:01 PM CPU %user %nice %system %iowait %steal %idle 10:03:01 PM all 26.26 0.00 2.93 1.23 0.09 69.49 10:03:01 PM 0 21.13 0.00 3.20 1.39 0.08 74.19 10:03:01 PM 1 22.31 0.00 2.08 0.77 0.08 74.76 10:03:01 PM 2 21.73 0.00 2.33 1.06 0.08 74.80 10:03:01 PM 3 39.87 0.00 4.09 1.69 0.12 54.24 10:04:01 PM all 60.91 0.00 2.12 0.51 0.10 36.37 10:04:01 PM 0 66.63 0.00 2.60 0.67 0.10 30.00 10:04:01 PM 1 61.70 0.00 1.99 0.75 0.10 35.46 10:04:01 PM 2 52.66 0.00 2.12 0.45 0.10 44.66 10:04:01 PM 3 62.64 0.00 1.77 0.15 0.08 35.35 10:05:01 PM all 21.18 0.00 0.43 0.22 0.07 78.10 10:05:01 PM 0 19.61 0.00 0.63 0.75 0.07 78.94 10:05:01 PM 1 20.94 0.00 0.37 0.02 0.07 78.61 10:05:01 PM 2 24.89 0.00 0.25 0.00 0.07 74.79 10:05:01 PM 3 19.28 0.00 0.47 0.12 0.07 80.07 10:06:01 PM all 36.66 0.00 0.79 0.03 0.08 62.44 10:06:01 PM 0 35.89 0.00 0.62 0.00 0.08 63.41 10:06:01 PM 1 44.45 0.00 1.12 0.08 0.08 54.27 10:06:01 PM 2 41.34 0.00 0.93 0.02 0.07 57.64 10:06:01 PM 3 24.97 0.00 0.50 0.00 0.08 74.44 10:07:01 PM all 24.89 0.00 3.01 0.74 0.09 71.27 10:07:01 PM 0 23.52 0.00 2.72 0.86 0.08 72.82 10:07:01 PM 1 25.84 0.00 2.99 1.02 0.08 70.07 10:07:01 PM 2 25.65 0.00 3.78 0.84 0.10 69.63 10:07:01 PM 3 24.55 0.00 2.54 0.25 0.10 72.57 10:08:01 PM all 27.53 0.00 1.61 0.08 0.07 70.71 10:08:01 PM 0 33.12 0.00 1.60 0.08 0.08 65.11 10:08:01 PM 1 22.41 0.00 1.94 0.08 0.07 75.51 10:08:01 PM 2 33.67 0.00 1.94 0.08 0.07 64.24 10:08:01 PM 3 20.93 0.00 0.97 0.07 0.05 77.99 Average: all 32.91 0.00 1.81 0.47 0.08 64.72 Average: 0 33.32 0.00 1.90 0.62 0.08 64.07 Average: 1 32.95 0.00 1.74 0.45 0.08 64.77 Average: 2 33.34 0.00 1.89 0.41 0.08 64.29 Average: 3 32.05 0.00 1.72 0.38 0.08 65.77