---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-4409 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: 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 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 992K 797M 1% /run /dev/vda1 20G 12G 8.1G 58% / 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 1616 1821 0 4538 6060 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:de:9d:34 brd ff:ff:ff:ff:ff:ff inet 10.32.7.45/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86051sec preferred_lft 86051sec inet6 fe80::f816:3eff:fede:9d34/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:02:c1:3a:9c 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 4: br-71e6561d216b: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:65:09:1b:46 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-71e6561d216b valid_lft forever preferred_lft forever inet6 fe80::42:65ff:fe09:1b46/64 scope link valid_lft forever preferred_lft forever 6: veth33e35ac@if5: mtu 1500 qdisc noqueue master br-71e6561d216b state UP group default link/ether 8e:b9:6d:a3:9d:61 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::8cb9:6dff:fea3:9d61/64 scope link valid_lft forever preferred_lft forever 8: vethfef8289@if7: mtu 1500 qdisc noqueue master br-71e6561d216b state UP group default link/ether c2:d9:67:0b:94:48 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::c0d9:67ff:fe0b:9448/64 scope link valid_lft forever preferred_lft forever 10: vethc0d7255@if9: mtu 1500 qdisc noqueue master br-71e6561d216b state UP group default link/ether 9e:f4:cb:e3:3a:96 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::9cf4:cbff:fee3:3a96/64 scope link valid_lft forever preferred_lft forever 12: veth19a9520@if11: mtu 1500 qdisc noqueue master br-71e6561d216b state UP group default link/ether 5e:af:06:f6:1d:1b brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5caf:6ff:fef6:1d1b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-4409) 09/23/25 _x86_64_ (4 CPU) 06:48:49 LINUX RESTART (4 CPU) 06:49:01 tps rtps wtps bread/s bwrtn/s 06:50:02 151.58 69.23 82.36 5605.46 40121.58 06:51:01 54.75 0.31 54.45 35.38 8269.11 06:52:01 148.67 13.10 135.57 2244.85 71972.01 06:53:01 91.49 2.88 88.60 431.32 36375.21 06:54:01 23.78 0.50 23.28 32.26 1658.52 Average: 94.19 17.26 76.93 1675.43 31759.35 06:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:02 5868364 7391984 2299064 28.15 36336 1667452 1003000 10.88 612156 1517016 55360 06:51:01 5607940 7361184 2559488 31.34 56068 1864600 1024748 11.12 654140 1709376 110628 06:52:01 3735384 6950524 4432044 54.26 80728 3252396 1776856 19.28 1135652 3014772 4144 06:53:01 1960380 6286880 6207048 76.00 99792 4287236 4079568 44.27 2070844 3779656 1512 06:54:01 1897996 6234988 6269432 76.76 101724 4294948 4162832 45.17 2129352 3780804 9200 Average: 3814013 6845112 4353415 53.30 74930 3073326 2409401 26.14 1320429 2760325 36169 06:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:02 ens3 461.66 231.64 1314.30 66.25 0.00 0.00 0.00 0.00 06:50:02 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 06:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 ens3 57.79 44.69 714.79 5.90 0.00 0.00 0.00 0.00 06:51:01 lo 0.61 0.61 0.05 0.05 0.00 0.00 0.00 0.00 06:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:52:01 ens3 1951.97 759.33 11761.32 69.02 0.00 0.00 0.00 0.00 06:52:01 lo 2.13 2.13 0.23 0.23 0.00 0.00 0.00 0.00 06:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:53:01 br-71e6561d216b 0.85 1.23 0.07 0.13 0.00 0.00 0.00 0.00 06:53:01 ens3 944.37 491.90 8767.00 47.36 0.00 0.00 0.00 0.00 06:53:01 vethfef8289 0.78 1.25 0.09 0.12 0.00 0.00 0.00 0.00 06:53:01 veth19a9520 1.83 1.52 0.17 0.17 0.00 0.00 0.00 0.00 06:54:01 br-71e6561d216b 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:54:01 ens3 14.23 13.68 10.95 11.61 0.00 0.00 0.00 0.00 06:54:01 vethfef8289 0.05 0.12 0.00 0.01 0.00 0.00 0.00 0.00 06:54:01 veth19a9520 7.55 8.22 0.96 0.79 0.00 0.00 0.00 0.00 Average: br-71e6561d216b 0.17 0.25 0.01 0.03 0.00 0.00 0.00 0.00 Average: ens3 688.15 309.15 4526.65 40.15 0.00 0.00 0.00 0.00 Average: vethfef8289 0.17 0.27 0.02 0.03 0.00 0.00 0.00 0.00 Average: veth19a9520 1.88 1.95 0.23 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-4409) 09/23/25 _x86_64_ (4 CPU) 06:48:49 LINUX RESTART (4 CPU) 06:49:01 CPU %user %nice %system %iowait %steal %idle 06:50:02 all 17.65 0.00 2.93 5.32 2.67 71.43 06:50:02 0 18.26 0.00 4.84 4.87 2.35 69.67 06:50:02 1 19.76 0.00 2.24 2.03 2.64 73.33 06:50:02 2 14.96 0.00 2.29 9.29 3.18 70.28 06:50:02 3 17.64 0.00 2.37 5.06 2.50 72.43 06:51:01 all 19.70 0.00 1.13 2.26 1.56 75.35 06:51:01 0 1.18 0.00 0.12 0.00 0.24 98.46 06:51:01 1 24.08 0.00 1.09 6.18 2.02 66.63 06:51:01 2 18.83 0.00 1.41 2.35 2.19 75.23 06:51:01 3 34.65 0.00 1.91 0.52 1.79 61.13 06:52:01 all 29.56 0.00 7.65 2.97 5.47 54.35 06:52:01 0 26.07 0.00 6.74 2.57 5.00 59.62 06:52:01 1 30.46 0.00 5.72 3.76 5.14 54.91 06:52:01 2 27.94 0.00 8.37 4.62 6.20 52.87 06:52:01 3 33.77 0.00 9.80 0.94 5.53 49.96 06:53:01 all 43.74 0.00 6.95 1.95 6.92 40.45 06:53:01 0 43.40 0.00 6.41 0.60 6.44 43.15 06:53:01 1 40.12 0.00 6.27 2.76 6.78 44.08 06:53:01 2 43.04 0.00 6.05 1.57 7.12 42.23 06:53:01 3 48.46 0.00 9.08 2.84 7.35 32.27 06:54:01 all 19.87 0.00 1.21 0.93 3.29 74.70 06:54:01 0 13.89 0.00 1.01 0.67 3.21 81.22 06:54:01 1 25.02 0.00 1.16 0.15 3.77 69.91 06:54:01 2 17.50 0.00 1.20 0.08 2.78 78.44 06:54:01 3 23.06 0.00 1.48 2.84 3.40 69.22 Average: all 26.11 0.00 3.98 2.69 3.99 63.24 Average: 0 20.61 0.00 3.83 1.75 3.46 70.36 Average: 1 27.91 0.00 3.30 2.96 4.08 61.75 Average: 2 24.45 0.00 3.86 3.58 4.30 63.81 Average: 3 31.47 0.00 4.92 2.45 4.12 57.04