---> uname -a: Linux prd-centos8-docker-4c-4g-15839.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 13G 68G 16% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 846 9707 19 5209 14567 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:0a:2c:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.226/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86088sec preferred_lft 86088sec inet6 fe80::f816:3eff:fe0a:2c89/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:58:53:b7:e0 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::42:58ff:fe53:b7e0/64 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) 11/27/2025 _x86_64_ (4 CPU) 11:35:52 LINUX RESTART (4 CPU) 11:36:01 AM tps rtps wtps bread/s bwrtn/s 11:37:01 AM 313.96 75.51 238.45 10413.20 43575.41 11:38:01 AM 333.44 18.38 315.05 3637.10 16042.41 11:39:01 AM 173.79 2.98 170.81 459.85 54352.47 11:40:01 AM 140.17 5.35 134.82 5757.55 40474.91 11:41:01 AM 39.34 0.83 38.50 81.44 1397.63 Average: 200.15 20.61 179.54 4069.78 31167.05 11:36:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:37:01 AM 13340296 15100852 2801236 17.35 2688 1976436 1113344 6.48 143492 2305392 162272 11:38:01 AM 11645188 14068232 4496344 27.86 2688 2622916 1950092 11.34 237492 3833512 319284 11:39:01 AM 10610276 14937444 5531256 34.27 2688 4518256 1197548 6.97 802764 4278044 605148 11:40:01 AM 9971536 14943484 6169996 38.22 2688 5149280 1362872 7.93 1205688 4475392 164 11:41:01 AM 9918368 14894088 6223164 38.55 2688 5150460 1232456 7.17 1896728 3837380 7360 Average: 11097133 14788820 5044399 31.25 2688 3883470 1371262 7.98 857233 3745944 218846 11:36:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 AM eth0 326.64 201.73 1787.16 68.72 0.00 0.00 0.00 0.00 11:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 AM eth0 689.38 530.71 7572.04 85.18 0.00 0.00 0.00 0.00 11:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:39:01 AM eth0 119.11 107.60 1284.57 19.91 0.00 0.00 0.00 0.00 11:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 AM eth0 645.37 577.44 1894.21 8548.39 0.00 0.00 0.00 0.00 11:40:01 AM docker0 519.48 517.26 8536.21 643.68 0.00 0.00 0.00 0.00 11:40:01 AM veth9f28016 495.68 490.94 8541.53 34.59 0.00 0.00 0.00 0.70 11:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:41:01 AM eth0 138.80 267.11 41.06 8473.12 0.00 0.00 0.00 0.00 11:41:01 AM docker0 2.60 2.12 1.54 0.90 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 383.89 336.94 2516.31 3438.73 0.00 0.00 0.00 0.00 Average: docker0 104.40 103.86 1707.38 128.90 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) 11/27/2025 _x86_64_ (4 CPU) 11:35:52 LINUX RESTART (4 CPU) 11:36:01 AM CPU %user %nice %system %iowait %steal %idle 11:37:01 AM all 27.21 0.00 3.93 3.61 0.08 65.18 11:37:01 AM 0 17.93 0.00 2.95 1.46 0.08 77.59 11:37:01 AM 1 21.37 0.00 4.67 5.50 0.07 68.40 11:37:01 AM 2 19.91 0.00 2.90 1.62 0.08 75.48 11:37:01 AM 3 49.59 0.00 5.20 5.83 0.08 39.29 11:38:01 AM all 40.47 0.00 3.04 2.07 0.09 54.33 11:38:01 AM 0 43.45 0.00 2.92 1.45 0.08 52.10 11:38:01 AM 1 42.01 0.00 3.41 2.27 0.10 52.21 11:38:01 AM 2 38.91 0.00 2.96 2.26 0.08 55.78 11:38:01 AM 3 37.48 0.00 2.88 2.29 0.08 57.26 11:39:01 AM all 48.61 0.00 2.55 6.40 0.08 42.36 11:39:01 AM 0 56.29 0.00 1.44 1.00 0.08 41.19 11:39:01 AM 1 41.52 0.00 3.31 13.73 0.08 41.35 11:39:01 AM 2 44.99 0.00 2.74 4.67 0.08 47.51 11:39:01 AM 3 51.64 0.00 2.71 6.20 0.08 39.37 11:40:01 AM all 14.19 0.00 3.79 3.56 0.06 78.40 11:40:01 AM 0 16.68 0.00 3.90 0.79 0.05 78.58 11:40:01 AM 1 16.63 0.00 3.80 1.88 0.07 77.62 11:40:01 AM 2 8.45 0.00 3.14 6.07 0.07 82.27 11:40:01 AM 3 14.97 0.00 4.30 5.53 0.05 75.15 11:41:01 AM all 19.22 0.00 1.91 0.33 0.08 78.46 11:41:01 AM 0 42.31 0.00 3.47 0.60 0.08 53.54 11:41:01 AM 1 13.71 0.00 1.28 0.38 0.08 84.53 11:41:01 AM 2 10.13 0.00 1.40 0.12 0.07 88.28 11:41:01 AM 3 10.68 0.00 1.47 0.23 0.07 87.55 Average: all 29.95 0.00 3.04 3.19 0.08 63.74 Average: 0 35.35 0.00 2.94 1.06 0.08 60.58 Average: 1 27.05 0.00 3.29 4.75 0.08 64.83 Average: 2 24.49 0.00 2.63 2.95 0.08 69.85 Average: 3 32.89 0.00 3.31 4.02 0.07 59.71