---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-4771 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 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 1672 1761 0 4542 6004 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:b8:f0:a6 brd ff:ff:ff:ff:ff:ff inet 10.32.6.51/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86051sec preferred_lft 86051sec inet6 fe80::f816:3eff:feb8:f0a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ba:71:5b:ef 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-dc43fb6ecd93: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:3e:d8:59:f1 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-dc43fb6ecd93 valid_lft forever preferred_lft forever inet6 fe80::42:3eff:fed8:59f1/64 scope link valid_lft forever preferred_lft forever 6: vethe9e6e7f@if5: mtu 1500 qdisc noqueue master br-dc43fb6ecd93 state UP group default link/ether 6e:cc:ae:e4:14:9c brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::6ccc:aeff:fee4:149c/64 scope link valid_lft forever preferred_lft forever 8: vethb331179@if7: mtu 1500 qdisc noqueue master br-dc43fb6ecd93 state UP group default link/ether 46:a4:de:0d:56:82 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::44a4:deff:fe0d:5682/64 scope link valid_lft forever preferred_lft forever 10: vetha3d40b0@if9: mtu 1500 qdisc noqueue master br-dc43fb6ecd93 state UP group default link/ether 7e:b2:6a:da:99:72 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7cb2:6aff:feda:9972/64 scope link valid_lft forever preferred_lft forever 12: veth38d1880@if11: mtu 1500 qdisc noqueue master br-dc43fb6ecd93 state UP group default link/ether d6:fd:57:28:42:41 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::d4fd:57ff:fe28:4241/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-4771) 09/26/25 _x86_64_ (4 CPU) 00:00:01 tps rtps wtps bread/s bwrtn/s 00:01:02 154.09 69.06 85.04 5595.07 40154.39 00:02:01 51.03 0.25 50.78 28.33 6951.54 00:03:01 149.97 12.93 137.04 2246.72 73167.08 00:04:01 92.74 2.83 89.90 423.59 36349.22 00:05:01 24.88 0.53 24.35 33.20 1726.80 Average: 94.69 17.18 77.51 1670.83 31754.17 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:01:02 5901892 7429564 2265536 27.74 36384 1672160 944140 10.24 576440 1521132 52868 00:02:01 5633040 7391596 2534388 31.03 55836 1871080 974900 10.58 623652 1715680 143144 00:03:01 3660056 6879400 4507372 55.19 80808 3257152 1931488 20.96 1204340 3020600 4664 00:04:01 1900520 6231152 6266908 76.73 99744 4291740 4170328 45.25 2123836 3785136 1524 00:05:01 1824808 6165824 6342620 77.66 101808 4299512 4249960 46.12 2196416 3786276 8112 Average: 3784063 6819507 4383365 53.67 74916 3078329 2454163 26.63 1344937 2765765 42062 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:01:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:01:02 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 00:01:02 ens3 432.59 262.61 1305.92 67.07 0.00 0.00 0.00 0.00 00:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:02:01 lo 0.61 0.61 0.05 0.05 0.00 0.00 0.00 0.00 00:02:01 ens3 56.22 44.73 710.53 5.85 0.00 0.00 0.00 0.00 00:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:03:01 lo 2.20 2.20 0.24 0.24 0.00 0.00 0.00 0.00 00:03:01 ens3 1982.22 669.58 11763.25 63.60 0.00 0.00 0.00 0.00 00:04:01 veth38d1880 1.82 1.50 0.17 0.16 0.00 0.00 0.00 0.00 00:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:04:01 lo 7.20 7.20 0.79 0.79 0.00 0.00 0.00 0.00 00:04:01 vethb331179 0.82 1.28 0.09 0.13 0.00 0.00 0.00 0.00 00:05:01 veth38d1880 7.73 8.48 0.98 0.82 0.00 0.00 0.00 0.00 00:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:05:01 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 00:05:01 vethb331179 0.03 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth38d1880 1.92 2.00 0.23 0.20 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 2.33 2.33 0.25 0.25 0.00 0.00 0.00 0.00 Average: vethb331179 0.17 0.28 0.02 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-4771) 09/26/25 _x86_64_ (4 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:01:02 all 17.50 0.00 2.70 5.19 1.41 73.20 00:01:02 0 31.39 0.00 3.24 7.91 1.80 55.65 00:01:02 1 8.21 0.00 1.40 4.95 0.97 84.48 00:01:02 2 17.63 0.00 3.93 4.43 1.76 72.25 00:01:02 3 12.71 0.00 2.24 3.47 1.12 80.47 00:02:01 all 19.86 0.00 1.16 1.92 1.51 75.55 00:02:01 0 28.99 0.00 1.54 0.50 2.45 66.52 00:02:01 1 13.99 0.00 1.20 2.99 0.78 81.04 00:02:01 2 29.76 0.00 1.30 0.29 1.80 66.85 00:02:01 3 6.63 0.00 0.61 3.90 1.00 87.87 00:03:01 all 32.89 0.00 7.79 2.82 3.67 52.83 00:03:01 0 28.00 0.00 8.00 3.28 4.17 56.56 00:03:01 1 33.37 0.00 7.48 3.74 3.09 52.33 00:03:01 2 41.36 0.00 8.28 1.93 4.03 44.39 00:03:01 3 28.80 0.00 7.39 2.33 3.39 58.08 00:04:01 all 47.35 0.00 7.47 2.05 4.34 38.78 00:04:01 0 45.91 0.00 6.84 1.03 4.45 41.77 00:04:01 1 46.51 0.00 8.01 2.49 4.30 38.68 00:04:01 2 48.26 0.00 6.93 1.92 4.39 38.50 00:04:01 3 48.74 0.00 8.11 2.76 4.23 36.16 00:05:01 all 20.41 0.00 1.25 1.12 2.40 74.82 00:05:01 0 29.05 0.00 1.14 0.18 2.34 67.29 00:05:01 1 14.26 0.00 1.07 0.74 2.09 81.84 00:05:01 2 13.08 0.00 1.14 0.77 2.34 82.67 00:05:01 3 25.31 0.00 1.62 2.75 2.83 67.49 Average: all 27.59 0.00 4.07 2.62 2.67 63.06 Average: 0 32.66 0.00 4.15 2.58 3.04 57.57 Average: 1 23.27 0.00 3.83 2.98 2.25 67.67 Average: 2 29.93 0.00 4.31 1.87 2.86 61.03 Average: 3 24.46 0.00 3.99 3.04 2.52 65.99