---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10545 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): 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 664K 797M 1% /run /dev/vda1 20G 7.7G 12G 41% / 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 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 472 5158 0 2345 7220 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:1d:94:b8 brd ff:ff:ff:ff:ff:ff inet 10.32.6.153/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86068sec preferred_lft 86068sec inet6 fe80::f816:3eff:fe1d:94b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10545) 04/04/26 _x86_64_ (4 CPU) 16:36:58 LINUX RESTART (4 CPU) 16:37:01 tps rtps wtps bread/s bwrtn/s 16:38:02 168.87 85.32 83.55 4941.31 40254.77 16:39:01 82.07 30.64 51.43 1689.34 8523.71 16:40:01 36.59 6.97 29.63 653.09 7441.69 16:41:01 9.58 3.80 5.78 137.82 3369.68 16:42:01 31.29 1.23 30.06 98.65 7911.61 Average: 65.63 25.57 40.05 1503.38 13516.60 16:37:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:38:02 6025404 7416776 2142008 26.23 36404 1535732 694424 7.53 583352 1398712 68676 16:39:01 5698652 7395180 2468760 30.23 56660 1804548 757296 8.22 644092 1630736 127076 16:40:01 4902128 6798416 3265284 39.98 62464 1992000 1424752 15.46 1263704 1791552 93832 16:41:01 4599000 6681588 3568412 43.69 65872 2169900 1251212 13.58 1442080 1905200 177964 16:42:01 5354248 7462072 2813164 34.44 68836 2191636 621412 6.74 682820 1911416 10632 Average: 5315886 7150806 2851526 34.91 58047 1938763 949819 10.31 923210 1727523 95636 16:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:38:02 ens3 378.99 202.07 1231.57 62.54 0.00 0.00 0.00 0.00 16:38:02 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 16:39:01 ens3 60.16 47.82 710.61 12.49 0.00 0.00 0.00 0.00 16:39:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 16:40:01 ens3 199.18 181.85 2656.16 25.00 0.00 0.00 0.00 0.00 16:40:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 16:41:01 ens3 93.97 84.47 1040.03 12.49 0.00 0.00 0.00 0.00 16:41:01 lo 120.76 120.76 36.44 36.44 0.00 0.00 0.00 0.00 16:42:01 ens3 35.19 33.06 219.64 11.09 0.00 0.00 0.00 0.00 16:42:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 153.81 110.06 1173.14 24.76 0.00 0.00 0.00 0.00 Average: lo 25.07 25.07 7.39 7.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10545) 04/04/26 _x86_64_ (4 CPU) 16:36:58 LINUX RESTART (4 CPU) 16:37:01 CPU %user %nice %system %iowait %steal %idle 16:38:02 all 20.62 0.00 2.74 5.70 3.04 67.90 16:38:02 0 9.21 0.00 1.74 6.00 2.71 80.34 16:38:02 1 22.48 0.00 1.91 1.52 2.59 71.50 16:38:02 2 21.93 0.00 2.10 5.74 3.34 66.89 16:38:02 3 28.90 0.00 5.18 9.58 3.52 52.82 16:39:01 all 21.93 0.00 1.49 2.81 2.40 71.38 16:39:01 0 10.40 0.00 1.10 5.53 1.53 81.44 16:39:01 1 20.62 0.00 1.51 1.98 2.43 73.45 16:39:01 2 28.02 0.00 1.75 0.27 2.67 67.29 16:39:01 3 28.62 0.00 1.63 3.46 2.96 63.34 16:40:01 all 27.38 0.00 1.42 0.82 5.66 64.72 16:40:01 0 32.34 0.00 1.28 0.21 5.80 60.37 16:40:01 1 26.02 0.00 1.39 1.88 5.58 65.12 16:40:01 2 25.73 0.00 1.84 0.85 5.62 65.97 16:40:01 3 25.41 0.00 1.17 0.36 5.65 67.41 16:41:01 all 38.83 0.00 1.66 0.22 6.94 52.35 16:41:01 0 39.14 0.00 1.67 0.23 6.99 51.97 16:41:01 1 43.18 0.00 1.52 0.16 6.98 48.16 16:41:01 2 35.48 0.00 1.65 0.07 6.51 56.29 16:41:01 3 37.54 0.00 1.80 0.39 7.27 53.00 16:42:01 all 21.37 0.00 1.16 1.15 1.77 74.54 16:42:01 0 32.13 0.00 1.44 0.17 1.83 64.44 16:42:01 1 29.06 0.00 1.29 1.49 2.14 66.02 16:42:01 2 8.04 0.00 1.09 0.18 1.21 89.47 16:42:01 3 16.29 0.00 0.81 2.76 1.90 78.24 Average: all 26.07 0.00 1.70 2.13 3.98 66.13 Average: 0 24.73 0.00 1.45 2.41 3.79 67.63 Average: 1 28.31 0.00 1.53 1.40 3.96 64.80 Average: 2 23.86 0.00 1.69 1.42 3.89 69.14 Average: 3 27.37 0.00 2.11 3.29 4.27 62.95