---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-2233 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 16G 0 16G 0% /dev tmpfs 3.2G 712K 3.2G 1% /run /dev/vda1 155G 13G 143G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32167 867 26572 0 4726 30843 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:f9:13:dd brd ff:ff:ff:ff:ff:ff inet 10.30.107.182/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fef9:13dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5b:55:0d:ec 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 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-2233) 12/30/25 _x86_64_ (8 CPU) 12:22:56 LINUX RESTART (8 CPU) 12:23:01 tps rtps wtps bread/s bwrtn/s 12:24:02 394.12 73.99 320.13 5317.25 128623.36 12:25:01 201.25 14.79 186.46 317.51 75248.40 12:26:01 135.32 13.81 121.51 1361.15 83401.80 12:27:01 16.96 0.05 16.91 3.33 12352.61 Average: 186.85 25.71 161.15 1755.78 74905.47 12:23:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:24:02 30154228 31625140 2784992 8.45 57060 1732472 1490284 4.38 934176 1577696 121004 12:25:01 29382948 31212376 3556272 10.80 86644 2039676 2127708 6.26 1367376 1870608 21180 12:26:01 24693860 29402784 8245360 25.03 109424 4801280 7190968 21.16 3300224 4468136 339088 12:27:01 24634384 29372732 8304836 25.21 109660 4829148 6149544 18.09 3349936 4482016 392 Average: 27216355 30403258 5722865 17.37 90697 3350644 4239626 12.47 2237928 3099614 120416 12:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:24:02 ens3 389.05 264.22 1638.33 74.44 0.00 0.00 0.00 0.00 12:24:02 lo 1.67 1.67 0.18 0.18 0.00 0.00 0.00 0.00 12:24:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:25:01 ens3 301.73 237.25 2652.21 42.10 0.00 0.00 0.00 0.00 12:25:01 lo 1.22 1.22 0.13 0.13 0.00 0.00 0.00 0.00 12:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:26:01 br-7be60773b64c 0.72 1.30 0.07 0.10 0.00 0.00 0.00 0.00 12:26:01 ens3 775.91 447.48 9427.79 87.37 0.00 0.00 0.00 0.00 12:26:01 veth93493d1 5.76 5.16 0.54 1.24 0.00 0.00 0.00 0.00 12:26:01 veth0274cb1 3.88 5.30 1.14 0.48 0.00 0.00 0.00 0.00 12:27:01 br-7be60773b64c 9.67 18.75 1.29 1.55 0.00 0.00 0.00 0.00 12:27:01 ens3 572.74 382.95 124.48 109.20 0.00 0.00 0.00 0.00 12:27:01 veth93493d1 57.36 47.96 5.45 8.22 0.00 0.00 0.00 0.00 12:27:01 veth0274cb1 29.16 47.74 6.67 4.02 0.00 0.00 0.00 0.00 Average: br-7be60773b64c 2.61 5.03 0.34 0.42 0.00 0.00 0.00 0.00 Average: ens3 510.74 333.38 3464.33 78.43 0.00 0.00 0.00 0.00 Average: veth93493d1 15.85 13.34 1.50 2.38 0.00 0.00 0.00 0.00 Average: veth0274cb1 8.30 13.32 1.96 1.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-2233) 12/30/25 _x86_64_ (8 CPU) 12:22:56 LINUX RESTART (8 CPU) 12:23:01 CPU %user %nice %system %iowait %steal %idle 12:24:02 all 8.65 0.00 1.25 3.29 0.03 86.78 12:24:02 0 7.81 0.00 1.07 0.30 0.02 90.81 12:24:02 1 14.47 0.00 0.80 0.57 0.03 84.13 12:24:02 2 7.50 0.00 1.31 7.75 0.03 83.41 12:24:02 3 10.19 0.00 1.25 0.53 0.03 87.99 12:24:02 4 4.35 0.00 2.16 7.99 0.03 85.47 12:24:02 5 4.49 0.00 1.05 3.82 0.05 90.59 12:24:02 6 13.36 0.00 1.69 3.93 0.05 80.98 12:24:02 7 7.02 0.00 0.73 1.45 0.03 90.76 12:25:01 all 14.33 0.00 1.14 1.08 0.04 83.40 12:25:01 0 28.66 0.00 2.61 0.81 0.07 67.84 12:25:01 1 19.26 0.00 0.85 0.75 0.03 79.11 12:25:01 2 18.26 0.00 1.68 4.42 0.05 75.58 12:25:01 3 8.78 0.00 0.34 0.09 0.03 90.76 12:25:01 4 9.43 0.00 0.68 0.02 0.03 89.84 12:25:01 5 12.98 0.00 0.73 1.92 0.05 84.32 12:25:01 6 6.91 0.00 0.64 0.07 0.02 92.37 12:25:01 7 10.35 0.00 1.56 0.61 0.05 87.43 12:26:01 all 24.22 0.00 4.21 2.33 0.08 69.16 12:26:01 0 23.67 0.00 3.55 0.05 0.07 72.66 12:26:01 1 23.77 0.00 4.37 0.37 0.07 71.42 12:26:01 2 17.80 0.00 3.60 0.28 0.08 78.23 12:26:01 3 26.86 0.00 5.11 0.19 0.07 67.78 12:26:01 4 26.79 0.00 4.12 1.47 0.07 67.56 12:26:01 5 22.85 0.00 3.46 0.10 0.07 73.52 12:26:01 6 25.16 0.00 4.93 15.98 0.08 53.84 12:26:01 7 26.96 0.00 4.51 0.23 0.07 68.23 12:27:01 all 2.00 0.00 0.75 0.27 0.05 96.93 12:27:01 0 1.87 0.00 1.03 0.18 0.05 96.86 12:27:01 1 2.32 0.00 0.70 0.05 0.05 96.88 12:27:01 2 1.96 0.00 0.85 1.89 0.05 95.25 12:27:01 3 2.07 0.00 0.97 0.00 0.07 96.89 12:27:01 4 2.19 0.00 0.60 0.00 0.03 97.18 12:27:01 5 1.37 0.00 0.55 0.02 0.03 98.03 12:27:01 6 2.04 0.00 0.74 0.00 0.05 97.17 12:27:01 7 2.20 0.00 0.62 0.02 0.07 97.09 Average: all 12.27 0.00 1.84 1.75 0.05 84.10 Average: 0 15.44 0.00 2.06 0.34 0.05 82.12 Average: 1 14.91 0.00 1.67 0.43 0.05 82.94 Average: 2 11.36 0.00 1.86 3.58 0.05 83.15 Average: 3 11.95 0.00 1.92 0.20 0.05 85.89 Average: 4 10.65 0.00 1.89 2.38 0.04 85.04 Average: 5 10.38 0.00 1.45 1.47 0.05 86.66 Average: 6 11.86 0.00 2.00 4.99 0.05 81.10 Average: 7 11.62 0.00 1.85 0.58 0.05 85.90