---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1353 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: 7975 1614 1821 0 4539 6061 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:a8:61:17 brd ff:ff:ff:ff:ff:ff inet 10.32.6.188/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86045sec preferred_lft 86045sec inet6 fe80::f816:3eff:fea8:6117/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:33:da:f6:aa 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-d4e2717f9755: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:8b:e0:01:e9 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-d4e2717f9755 valid_lft forever preferred_lft forever inet6 fe80::42:8bff:fee0:1e9/64 scope link valid_lft forever preferred_lft forever 6: veth67526f4@if5: mtu 1500 qdisc noqueue master br-d4e2717f9755 state UP group default link/ether 8e:9f:f8:40:31:5b brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::8c9f:f8ff:fe40:315b/64 scope link valid_lft forever preferred_lft forever 8: veth64f9ffc@if7: mtu 1500 qdisc noqueue master br-d4e2717f9755 state UP group default link/ether ba:f2:71:b9:69:aa brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::b8f2:71ff:feb9:69aa/64 scope link valid_lft forever preferred_lft forever 10: vethff81e8e@if9: mtu 1500 qdisc noqueue master br-d4e2717f9755 state UP group default link/ether 7e:e8:0e:77:3c:40 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7ce8:eff:fe77:3c40/64 scope link valid_lft forever preferred_lft forever 12: vetha0954f6@if11: mtu 1500 qdisc noqueue master br-d4e2717f9755 state UP group default link/ether 6e:61:83:d1:ce:36 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::6c61:83ff:fed1:ce36/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1353) 08/19/25 _x86_64_ (4 CPU) 06:48:50 LINUX RESTART (4 CPU) 06:49:01 tps rtps wtps bread/s bwrtn/s 06:50:02 151.17 68.98 82.18 5598.53 39871.08 06:51:01 49.20 0.30 48.90 32.40 7010.64 06:52:01 151.35 13.26 138.09 2258.05 73297.43 06:53:01 92.48 2.95 89.54 443.79 36425.13 06:54:01 19.06 0.30 18.76 21.33 861.99 Average: 92.80 17.21 75.58 1676.13 31575.42 06:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:02 5872944 7384268 2294476 28.09 35292 1657728 1024208 11.11 620540 1507304 46204 06:51:01 5665036 7405596 2502384 30.64 54356 1854928 986472 10.70 607920 1701328 131316 06:52:01 3983148 7191760 4184272 51.23 80224 3248004 1473556 15.99 882680 3023056 3708 06:53:01 2127356 6453368 6040064 73.95 99188 4288244 3927280 42.61 1889564 3796408 876 06:54:01 1817916 6156940 6349504 77.74 101548 4297252 4198660 45.56 2206512 3782776 25392 Average: 3893280 6918386 4274140 52.33 74122 3069231 2322035 25.20 1241443 2762174 41499 06:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 06:50:02 ens3 322.75 199.85 1245.41 63.42 0.00 0.00 0.00 0.00 06:51:01 lo 0.68 0.68 0.06 0.06 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 06:51:01 ens3 53.32 38.78 727.25 4.88 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 06:52:01 ens3 1784.47 514.53 11700.35 51.66 0.00 0.00 0.00 0.00 06:53:01 vethff81e8e 0.00 0.15 0.00 0.01 0.00 0.00 0.00 0.00 06:53:01 veth64f9ffc 0.05 0.20 0.00 0.02 0.00 0.00 0.00 0.00 06:53:01 veth67526f4 0.00 0.23 0.00 0.02 0.00 0.00 0.00 0.00 06:53:01 lo 5.35 5.35 0.62 0.62 0.00 0.00 0.00 0.00 06:54:01 vethff81e8e 2.20 1.42 0.29 0.16 0.00 0.00 0.00 0.00 06:54:01 veth64f9ffc 0.75 1.10 0.09 0.11 0.00 0.00 0.00 0.00 06:54:01 veth67526f4 9.50 10.63 0.98 1.30 0.00 0.00 0.00 0.00 06:54:01 lo 2.02 2.02 0.18 0.18 0.00 0.00 0.00 0.00 Average: vethff81e8e 0.44 0.31 0.06 0.03 0.00 0.00 0.00 0.00 Average: veth64f9ffc 0.16 0.26 0.02 0.03 0.00 0.00 0.00 0.00 Average: veth67526f4 1.91 2.18 0.20 0.27 0.00 0.00 0.00 0.00 Average: lo 2.23 2.23 0.24 0.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1353) 08/19/25 _x86_64_ (4 CPU) 06:48:50 LINUX RESTART (4 CPU) 06:49:01 CPU %user %nice %system %iowait %steal %idle 06:50:02 all 17.15 0.00 2.85 6.11 2.23 71.67 06:50:02 0 17.20 0.00 2.22 4.87 2.33 73.38 06:50:02 1 16.49 0.00 1.77 1.88 1.82 78.04 06:50:02 2 23.83 0.00 2.41 9.47 2.56 61.73 06:50:02 3 11.02 0.00 4.99 8.22 2.18 73.58 06:51:01 all 19.37 0.00 1.12 2.03 1.20 76.28 06:51:01 0 29.64 0.00 1.87 0.37 1.43 66.68 06:51:01 1 2.01 0.00 0.20 1.00 0.54 96.24 06:51:01 2 22.87 0.00 1.29 6.36 1.40 68.08 06:51:01 3 22.92 0.00 1.08 0.40 1.45 74.15 06:52:01 all 26.34 0.00 6.32 3.57 4.77 59.00 06:52:01 0 45.03 0.00 6.66 0.88 5.04 42.39 06:52:01 1 16.55 0.00 4.61 4.59 4.41 69.85 06:52:01 2 19.23 0.00 8.31 4.66 5.54 62.25 06:52:01 3 24.62 0.00 5.68 4.16 4.07 61.48 06:53:01 all 43.30 0.00 6.88 1.90 7.50 40.42 06:53:01 0 42.47 0.00 7.90 1.29 7.38 40.96 06:53:01 1 46.34 0.00 5.48 0.17 7.15 40.87 06:53:01 2 43.75 0.00 7.32 5.08 7.78 36.07 06:53:01 3 40.63 0.00 6.81 1.06 7.69 43.80 06:54:01 all 24.51 0.00 1.46 0.72 2.82 70.49 06:54:01 0 16.27 0.00 1.32 0.08 2.52 79.80 06:54:01 1 24.90 0.00 1.56 1.26 2.56 69.72 06:54:01 2 36.48 0.00 1.60 0.88 3.21 57.84 06:54:01 3 20.35 0.00 1.38 0.68 2.95 74.64 Average: all 26.15 0.00 3.73 2.87 3.71 63.53 Average: 0 30.11 0.00 4.00 1.50 3.75 60.63 Average: 1 21.33 0.00 2.73 1.79 3.31 70.85 Average: 2 29.24 0.00 4.20 5.29 4.11 57.17 Average: 3 23.92 0.00 3.99 2.91 3.68 65.51