---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-10488 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 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 xtopology 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 arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 696K 797M 1% /run /dev/vda1 20G 9.3G 10G 48% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 5.3M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7976 479 5045 0 2450 7211 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: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:88:6c:9b brd ff:ff:ff:ff:ff:ff inet 10.32.7.132/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85986sec preferred_lft 85986sec inet6 fe80::f816:3eff:fe88:6c9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:00:81:3d:8b 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 ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-10488) 11/29/25 _x86_64_ (4 CPU) 05:09:43 LINUX RESTART (4 CPU) 05:10:01 tps rtps wtps bread/s bwrtn/s 05:11:01 157.79 69.26 88.54 5609.47 40499.67 05:12:01 64.81 5.30 59.51 180.64 9460.42 05:13:01 61.16 25.30 35.86 1491.08 7281.32 05:14:01 10.56 0.03 10.53 0.27 344.88 05:15:01 48.91 11.36 37.54 761.07 5081.15 05:16:01 26.30 1.20 25.10 111.18 4584.04 Average: 61.59 18.74 42.85 1358.95 11208.58 05:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:11:01 5882896 7426168 2284532 27.97 39488 1682980 970080 10.53 574764 1537752 68636 05:12:01 5650888 7463404 2516540 30.81 59492 1915880 1098424 11.92 544248 1768080 133956 05:13:01 5306348 7240616 2861080 35.03 62772 2032116 1128388 12.24 780064 1872376 1268 05:14:01 5285932 7228556 2881496 35.28 64868 2037184 1128388 12.24 793896 1875936 1588 05:15:01 4713940 6900960 3453488 42.28 68672 2271656 1376332 14.93 1232568 1995024 77368 05:16:01 5181960 7397104 2985468 36.55 72468 2295748 977432 10.61 766648 1994304 9608 Average: 5336994 7276135 2830434 34.66 61293 2039261 1113174 12.08 782031 1840579 48737 05:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:11:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 05:11:01 ens3 416.33 233.11 1232.90 66.43 0.00 0.00 0.00 0.00 05:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:12:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 05:12:01 ens3 71.00 52.91 719.60 9.22 0.00 0.00 0.00 0.00 05:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 05:13:01 ens3 132.94 139.26 1210.15 23.44 0.00 0.00 0.00 0.00 05:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 05:14:01 ens3 86.45 121.65 78.34 19.01 0.00 0.00 0.00 0.00 05:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 lo 1.57 1.57 0.39 0.39 0.00 0.00 0.00 0.00 05:15:01 ens3 311.53 346.96 2257.98 49.68 0.00 0.00 0.00 0.00 05:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 05:16:01 ens3 47.21 50.82 274.18 16.09 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.99 0.99 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 177.58 157.45 962.19 30.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-10488) 11/29/25 _x86_64_ (4 CPU) 05:09:43 LINUX RESTART (4 CPU) 05:10:01 CPU %user %nice %system %iowait %steal %idle 05:11:01 all 19.80 0.00 2.68 5.16 1.40 70.96 05:11:01 0 10.63 0.00 5.11 7.58 1.45 75.23 05:11:01 1 14.93 0.00 1.58 6.69 1.12 75.68 05:11:01 2 28.99 0.00 2.45 4.79 1.72 62.05 05:11:01 3 24.66 0.00 1.63 1.58 1.31 70.81 05:12:01 all 20.83 0.00 1.25 1.80 1.16 74.96 05:12:01 0 3.09 0.00 0.17 0.48 0.78 95.48 05:12:01 1 11.44 0.00 1.13 4.85 0.98 81.61 05:12:01 2 52.19 0.00 2.88 0.48 1.87 42.58 05:12:01 3 16.71 0.00 0.83 1.36 1.01 80.08 05:13:01 all 13.32 0.00 0.67 0.96 0.82 84.23 05:13:01 0 14.05 0.00 0.91 0.34 1.01 83.70 05:13:01 1 10.51 0.00 0.52 0.57 0.68 87.72 05:13:01 2 11.05 0.00 0.65 1.50 0.83 85.96 05:13:01 3 17.67 0.00 0.60 1.42 0.80 79.51 05:14:01 all 4.58 0.00 0.36 0.06 0.30 94.69 05:14:01 0 5.22 0.00 0.65 0.00 0.47 93.66 05:14:01 1 3.72 0.00 0.53 0.23 0.23 95.28 05:14:01 2 4.82 0.00 0.18 0.00 0.25 94.75 05:14:01 3 4.62 0.00 0.07 0.00 0.25 95.07 05:15:01 all 46.23 0.00 1.89 0.42 3.17 48.29 05:15:01 0 43.75 0.00 1.81 0.62 3.59 50.22 05:15:01 1 48.68 0.00 1.43 0.55 2.81 46.53 05:15:01 2 46.46 0.00 2.73 0.17 3.16 47.47 05:15:01 3 46.01 0.00 1.58 0.33 3.13 48.95 05:16:01 all 21.56 0.00 1.09 0.73 1.06 75.55 05:16:01 0 50.51 0.00 1.46 0.65 1.71 45.66 05:16:01 1 6.05 0.00 0.70 1.96 0.58 90.70 05:16:01 2 13.83 0.00 1.23 0.28 1.28 83.39 05:16:01 3 15.91 0.00 0.97 0.03 0.68 82.41 Average: all 21.07 0.00 1.33 1.52 1.32 74.76 Average: 0 21.23 0.00 1.69 1.61 1.50 73.96 Average: 1 15.90 0.00 0.98 2.48 1.07 79.57 Average: 2 26.23 0.00 1.69 1.20 1.52 69.36 Average: 3 20.94 0.00 0.95 0.79 1.20 76.13