---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7852 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 7.8G 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 464 5162 0 2348 7225 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:7e:d0:4d brd ff:ff:ff:ff:ff:ff inet 10.32.6.142/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:fe7e:d04d/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-7852) 08/08/26 _x86_64_ (4 CPU) 15:35:53 LINUX RESTART (4 CPU) 15:36:01 tps rtps wtps bread/s bwrtn/s 15:37:02 141.81 54.67 87.14 3591.93 40785.75 15:38:01 61.04 5.85 55.19 204.71 9976.21 15:39:01 91.58 12.48 79.10 469.92 14119.11 15:40:01 33.71 0.92 32.79 82.37 4338.42 Average: 82.12 18.53 63.59 1090.88 17334.99 15:36:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:37:02 5980512 7412600 2186908 26.78 37456 1574732 705288 7.65 587436 1434484 85052 15:38:01 5708544 7486428 2458876 30.11 57200 1881756 610732 6.63 514660 1741340 205280 15:39:01 4686724 6683320 3480696 42.62 65368 2084356 1372248 14.89 1364488 1894176 7156 15:40:01 5304236 7419576 2863184 35.06 69224 2197192 662776 7.19 678232 1960988 32876 Average: 5420004 7250481 2747416 33.64 57312 1934509 837761 9.09 786204 1757747 82591 15:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:37:02 ens3 441.79 215.46 1460.57 65.40 0.00 0.00 0.00 0.00 15:37:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 15:38:01 ens3 65.23 58.18 815.13 7.13 0.00 0.00 0.00 0.00 15:38:01 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 15:39:01 ens3 376.34 368.89 2989.19 78.14 0.00 0.00 0.00 0.00 15:39:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 15:40:01 ens3 129.06 127.84 633.96 35.18 0.00 0.00 0.00 0.00 15:40:01 lo 1.85 1.85 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 253.88 193.15 1477.44 46.63 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7852) 08/08/26 _x86_64_ (4 CPU) 15:35:53 LINUX RESTART (4 CPU) 15:36:01 CPU %user %nice %system %iowait %steal %idle 15:37:02 all 21.34 0.00 2.25 5.09 1.38 69.94 15:37:02 0 30.01 0.00 1.83 4.67 1.43 62.06 15:37:02 1 21.23 0.00 1.77 4.02 1.15 71.84 15:37:02 2 21.73 0.00 3.89 9.80 1.45 63.13 15:37:02 3 12.38 0.00 1.53 1.88 1.48 82.73 15:38:01 all 20.44 0.00 1.38 1.77 0.80 75.60 15:38:01 0 7.51 0.00 1.10 1.02 0.39 89.98 15:38:01 1 14.22 0.00 1.21 0.02 0.52 84.03 15:38:01 2 22.03 0.00 1.02 5.40 0.73 70.82 15:38:01 3 37.99 0.00 2.21 0.66 1.59 57.55 15:39:01 all 41.95 0.00 2.22 1.60 3.69 50.54 15:39:01 0 40.41 0.00 1.81 0.22 3.52 54.05 15:39:01 1 46.37 0.00 2.33 3.01 3.47 44.82 15:39:01 2 48.48 0.00 1.71 1.31 3.54 44.96 15:39:01 3 32.57 0.00 3.01 1.87 4.20 58.35 15:40:01 all 24.36 0.00 1.40 0.75 1.25 72.25 15:40:01 0 37.96 0.00 1.78 0.12 1.38 58.77 15:40:01 1 20.17 0.00 1.11 0.13 1.17 77.42 15:40:01 2 12.89 0.00 1.18 2.41 0.83 82.68 15:40:01 3 26.41 0.00 1.58 0.32 1.63 70.07 Average: all 27.07 0.00 1.81 2.30 1.79 67.03 Average: 0 29.08 0.00 1.63 1.50 1.69 66.10 Average: 1 25.56 0.00 1.61 1.80 1.59 69.45 Average: 2 26.32 0.00 1.95 4.72 1.64 65.36 Average: 3 27.30 0.00 2.08 1.18 2.23 67.20