---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2088 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 7.9G 12G 42% / 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 457 5036 0 2481 7231 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:03:e5:16 brd ff:ff:ff:ff:ff:ff inet 10.32.6.135/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe03:e516/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2088) 11/07/26 _x86_64_ (4 CPU) 02:56:54 LINUX RESTART (4 CPU) 02:57:01 tps rtps wtps bread/s bwrtn/s 02:58:01 158.41 55.61 102.80 3634.46 42172.05 02:59:01 89.74 18.96 70.77 845.86 16456.19 03:00:01 13.50 0.00 13.50 0.00 3773.41 03:01:01 58.71 1.03 57.67 82.39 9509.62 Average: 80.08 18.90 61.18 1140.63 17977.23 02:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:01 5872916 7456860 2294504 28.09 50008 1704196 662704 7.19 531944 1581948 202252 02:59:01 5366484 7241924 2800936 34.29 60440 1973392 884004 9.59 767784 1828116 5448 03:00:01 5220176 7201384 2947244 36.09 62740 2074164 900000 9.77 809368 1927096 3228 03:01:01 5195428 7440168 2971992 36.39 69192 2325296 639424 6.94 612988 2136420 25724 Average: 5413751 7335084 2753669 33.72 60595 2019262 771533 8.37 680521 1868395 59163 02:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:58:01 ens3 362.32 234.84 1823.73 67.33 0.00 0.00 0.00 0.00 02:58:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 02:59:01 ens3 175.30 152.26 1991.05 28.63 0.00 0.00 0.00 0.00 02:59:01 lo 1.53 1.53 0.15 0.15 0.00 0.00 0.00 0.00 03:00:01 ens3 329.34 284.51 1665.51 35.36 0.00 0.00 0.00 0.00 03:00:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:01:01 ens3 271.62 280.72 2379.68 53.85 0.00 0.00 0.00 0.00 03:01:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 284.65 238.08 1964.98 46.29 0.00 0.00 0.00 0.00 Average: lo 0.92 0.92 0.08 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2088) 11/07/26 _x86_64_ (4 CPU) 02:56:54 LINUX RESTART (4 CPU) 02:57:01 CPU %user %nice %system %iowait %steal %idle 02:58:01 all 20.90 0.00 1.82 4.74 0.06 72.47 02:58:01 0 9.06 0.00 1.66 12.62 0.03 76.62 02:58:01 1 11.46 0.00 1.10 1.35 0.03 86.06 02:58:01 2 13.61 0.00 1.02 1.57 0.05 83.75 02:58:01 3 49.33 0.00 3.52 3.47 0.12 43.58 02:59:01 all 16.63 0.00 0.96 1.70 0.05 80.65 02:59:01 0 8.76 0.00 0.50 1.98 0.05 88.71 02:59:01 1 34.52 0.00 1.52 1.63 0.08 62.24 02:59:01 2 9.82 0.00 0.57 0.25 0.05 89.31 02:59:01 3 13.35 0.00 1.24 2.96 0.05 82.40 03:00:01 all 5.80 0.00 0.41 0.06 0.03 93.70 03:00:01 0 5.26 0.00 0.49 0.13 0.03 94.09 03:00:01 1 4.07 0.00 0.13 0.02 0.02 95.77 03:00:01 2 8.99 0.00 0.52 0.00 0.03 90.46 03:00:01 3 4.87 0.00 0.50 0.10 0.03 94.49 03:01:01 all 21.40 0.00 1.53 0.94 0.06 76.07 03:01:01 0 9.47 0.00 0.84 0.12 0.03 89.54 03:01:01 1 13.02 0.00 1.27 2.40 0.03 83.28 03:01:01 2 35.67 0.00 2.22 0.62 0.10 61.40 03:01:01 3 27.41 0.00 1.80 0.63 0.08 70.07 Average: all 16.19 0.00 1.18 1.86 0.05 80.72 Average: 0 8.14 0.00 0.87 3.71 0.04 87.24 Average: 1 15.77 0.00 1.00 1.35 0.04 81.84 Average: 2 17.03 0.00 1.08 0.61 0.06 81.22 Average: 3 23.77 0.00 1.77 1.79 0.07 72.60