---> uname -a: Linux prd-centos8-docker-4c-4g-2084.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1096 10828 19 3838 14317 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:46:d9:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.89/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86118sec preferred_lft 86118sec inet6 fe80::f816:3eff:fe46:d993/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9d:36:8c:70 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::42:9dff:fe36:8c70/64 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) 03/31/2026 _x86_64_ (4 CPU) 13:07:31 LINUX RESTART (4 CPU) 01:08:01 PM tps rtps wtps bread/s bwrtn/s 01:09:01 PM 182.97 5.28 177.69 457.58 9964.00 01:10:01 PM 224.04 3.08 220.96 793.07 26627.51 01:11:01 PM 1089.80 95.12 994.69 1716.89 37498.40 01:12:01 PM 90.75 23.81 66.94 475.65 3309.90 Average: 396.91 31.82 365.08 860.82 19350.62 01:08:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:09:01 PM 12722416 14680856 3419116 21.18 2688 2166352 1599536 9.30 158340 2872496 221492 01:10:01 PM 11576576 14303752 4564956 28.28 2688 2916720 2001752 11.64 364804 3734340 226680 01:11:01 PM 9921948 13430224 6219584 38.53 2688 3502632 1889936 10.99 415192 4903368 6772 01:12:01 PM 11078488 14648152 5063044 31.37 2688 3557960 1259344 7.33 628476 3540704 38140 Average: 11324857 14265746 4816675 29.84 2688 3035916 1687642 9.82 391703 3762727 123271 01:08:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:09:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:09:01 PM eth0 184.34 146.82 2346.30 28.84 0.00 0.00 0.00 0.00 01:09:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:01 PM lo 6.26 6.26 4.54 4.54 0.00 0.00 0.00 0.00 01:10:01 PM eth0 432.49 285.99 5357.49 41.59 0.00 0.00 0.00 0.00 01:10:01 PM docker0 3.37 3.25 4.09 0.46 0.00 0.00 0.00 0.00 01:10:01 PM vetha95714f 0.12 0.40 0.01 0.03 0.00 0.00 0.00 0.00 01:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:11:01 PM eth0 135.22 96.55 1194.03 16.42 0.00 0.00 0.00 0.00 01:11:01 PM docker0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 01:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:12:01 PM eth0 30.16 24.58 58.66 10.13 0.00 0.00 0.00 0.00 01:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.57 1.57 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 195.56 138.49 2239.21 24.24 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.82 1.02 0.11 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) 03/31/2026 _x86_64_ (4 CPU) 13:07:31 LINUX RESTART (4 CPU) 01:08:01 PM CPU %user %nice %system %iowait %steal %idle 01:09:01 PM all 25.53 0.00 2.29 0.92 0.10 71.16 01:09:01 PM 0 19.69 0.00 1.75 0.43 0.10 78.02 01:09:01 PM 1 20.15 0.00 1.81 1.27 0.10 76.67 01:09:01 PM 2 35.31 0.00 3.33 1.20 0.10 60.06 01:09:01 PM 3 26.97 0.00 2.29 0.79 0.08 69.87 01:10:01 PM all 46.52 0.08 3.67 1.14 0.11 48.48 01:10:01 PM 0 51.60 0.10 2.85 0.92 0.12 44.41 01:10:01 PM 1 49.06 0.13 3.14 1.26 0.12 46.29 01:10:01 PM 2 41.92 0.05 4.82 1.29 0.12 51.80 01:10:01 PM 3 43.50 0.02 3.88 1.09 0.10 51.42 01:11:01 PM all 29.06 0.00 9.50 7.63 0.15 53.65 01:11:01 PM 0 31.60 0.00 9.06 7.68 0.14 51.52 01:11:01 PM 1 22.69 0.00 7.58 5.02 0.19 64.53 01:11:01 PM 2 21.73 0.00 10.75 9.42 0.14 57.96 01:11:01 PM 3 40.16 0.00 10.62 8.40 0.15 40.67 01:12:01 PM all 36.24 0.00 2.02 0.40 0.11 61.23 01:12:01 PM 0 59.75 0.00 2.39 0.38 0.12 37.36 01:12:01 PM 1 25.43 0.00 1.85 0.43 0.10 72.19 01:12:01 PM 2 34.94 0.00 2.20 0.30 0.12 62.44 01:12:01 PM 3 24.83 0.00 1.62 0.48 0.10 72.97 Average: all 34.35 0.02 4.35 2.50 0.12 58.66 Average: 0 40.68 0.03 3.99 2.34 0.12 52.85 Average: 1 29.34 0.03 3.58 1.98 0.13 64.94 Average: 2 33.52 0.01 5.25 3.03 0.12 58.07 Average: 3 33.83 0.00 4.58 2.67 0.11 58.81