---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-283 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: 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 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 475 5091 0 2408 7217 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:59:51:8b brd ff:ff:ff:ff:ff:ff inet 10.32.7.17/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe59:518b/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-283) 04/11/26 _x86_64_ (4 CPU) 10:41:56 LINUX RESTART (4 CPU) 10:42:01 tps rtps wtps bread/s bwrtn/s 10:43:02 153.14 66.66 86.49 4278.35 40868.81 10:44:01 85.34 30.23 55.11 1681.34 9345.94 10:45:01 71.75 8.62 63.14 490.85 16209.57 10:46:01 24.18 0.68 23.50 77.72 3808.57 Average: 83.60 26.53 57.07 1631.86 17592.57 10:42:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:43:02 5955960 7389576 2211460 27.08 37688 1575488 725964 7.88 612204 1435152 89432 10:44:01 5636044 7338608 2531376 30.99 57488 1808912 784364 8.51 700208 1635116 99120 10:45:01 5191688 7360128 2975732 36.43 63900 2259384 713660 7.74 742176 2018916 85164 10:46:01 5165928 7340760 3001492 36.75 66420 2262812 743480 8.07 768124 2017688 9932 Average: 5487405 7357268 2680015 32.81 56374 1976649 741867 8.05 705678 1776718 70912 10:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:43:02 ens3 500.62 313.15 1547.92 71.38 0.00 0.00 0.00 0.00 10:43:02 lo 1.28 1.28 0.12 0.12 0.00 0.00 0.00 0.00 10:44:01 ens3 65.46 58.94 441.71 15.89 0.00 0.00 0.00 0.00 10:44:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 10:45:01 ens3 478.89 421.93 6033.73 67.36 0.00 0.00 0.00 0.00 10:45:01 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 10:46:01 ens3 12.66 13.93 9.39 12.29 0.00 0.00 0.00 0.00 10:46:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 265.24 202.59 2014.74 41.84 0.00 0.00 0.00 0.00 Average: lo 0.97 0.97 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-283) 04/11/26 _x86_64_ (4 CPU) 10:41:56 LINUX RESTART (4 CPU) 10:42:01 CPU %user %nice %system %iowait %steal %idle 10:43:02 all 21.86 0.00 2.62 4.94 1.74 68.85 10:43:02 0 22.26 0.00 4.50 4.49 2.07 66.68 10:43:02 1 37.01 0.00 2.20 3.25 1.72 55.83 10:43:02 2 17.40 0.00 1.86 3.38 1.77 75.59 10:43:02 3 10.81 0.00 1.90 8.66 1.36 77.27 10:44:01 all 23.57 0.00 1.56 2.71 1.91 70.26 10:44:01 0 15.22 0.00 0.94 2.82 2.06 78.96 10:44:01 1 18.58 0.00 0.86 1.08 1.32 78.15 10:44:01 2 41.57 0.00 2.92 2.40 2.46 50.66 10:44:01 3 18.94 0.00 1.50 4.54 1.79 73.24 10:45:01 all 33.60 0.00 1.96 1.13 3.15 60.16 10:45:01 0 32.36 0.00 2.35 1.72 2.69 60.88 10:45:01 1 26.58 0.00 1.39 0.61 3.07 68.36 10:45:01 2 30.54 0.00 1.80 1.64 3.27 62.75 10:45:01 3 44.94 0.00 2.34 0.55 3.59 48.59 10:46:01 all 20.53 0.00 0.96 0.93 1.00 76.57 10:46:01 0 0.40 0.00 0.32 2.74 0.42 96.13 10:46:01 1 49.86 0.00 1.25 0.42 1.80 46.68 10:46:01 2 21.30 0.00 1.26 0.48 1.00 75.96 10:46:01 3 10.64 0.00 1.00 0.08 0.78 87.50 Average: all 24.90 0.00 1.78 2.43 1.95 68.94 Average: 0 17.58 0.00 2.03 2.94 1.81 75.63 Average: 1 33.06 0.00 1.43 1.34 1.98 62.20 Average: 2 27.65 0.00 1.96 1.97 2.13 66.30 Average: 3 21.35 0.00 1.68 3.45 1.88 71.64