---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1777 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 8.6G 69G 11% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 546 13086 0 2406 15176 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 fq_codel state UP group default qlen 1000 link/ether fa:16:3e:f9:e6:b7 brd ff:ff:ff:ff:ff:ff inet 10.30.107.189/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fef9:e6b7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1777) 11/19/23 _x86_64_ (4 CPU) 21:02:31 LINUX RESTART (4 CPU) 21:03:01 tps rtps wtps bread/s bwrtn/s 21:04:01 92.82 13.71 79.10 989.17 20855.86 21:05:01 125.48 17.40 108.08 643.09 25536.28 21:06:01 15.71 0.02 15.69 0.13 13413.13 21:07:01 49.61 6.00 43.61 1032.36 21404.30 Average: 70.90 9.28 61.62 666.16 20302.10 21:03:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:04:01 13959724 15594580 2465244 15.01 62200 1773080 783628 4.48 645720 1607560 129976 21:05:01 12427484 14291828 3997484 24.34 74728 1978300 2056396 11.77 1987504 1769852 16432 21:06:01 13184240 15071328 3240728 19.73 75236 2000156 1176520 6.73 1219440 1782012 14896 21:07:01 13411116 15550936 3013852 18.35 81564 2242392 768916 4.40 826556 1941464 53072 Average: 13245641 15127168 3179327 19.36 73432 1998482 1196365 6.85 1169805 1775222 53594 21:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:04:01 ens3 61.36 41.71 854.11 6.91 0.00 0.00 0.00 0.00 21:04:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 21:05:01 ens3 340.71 241.08 1690.89 79.88 0.00 0.00 0.00 0.00 21:05:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 21:06:01 ens3 183.96 102.60 119.65 44.02 0.00 0.00 0.00 0.00 21:06:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 21:07:01 ens3 140.98 113.95 223.56 44.08 0.00 0.00 0.00 0.00 21:07:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 181.75 124.83 722.03 43.72 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1777) 11/19/23 _x86_64_ (4 CPU) 21:02:31 LINUX RESTART (4 CPU) 21:03:01 CPU %user %nice %system %iowait %steal %idle 21:04:01 all 16.30 0.00 1.11 8.58 0.05 73.95 21:04:01 0 19.29 0.00 1.26 2.18 0.03 77.24 21:04:01 1 6.77 0.00 0.69 10.58 0.05 81.91 21:04:01 2 5.71 0.00 0.67 11.69 0.03 81.89 21:04:01 3 33.41 0.00 1.84 9.88 0.05 54.83 21:05:01 all 44.19 0.00 1.77 5.19 0.11 48.75 21:05:01 0 39.89 0.00 1.02 2.61 0.08 56.40 21:05:01 1 37.45 0.00 2.25 12.86 0.12 47.33 21:05:01 2 45.88 0.00 1.91 1.09 0.10 51.01 21:05:01 3 53.55 0.00 1.86 4.18 0.12 40.29 21:06:01 all 28.86 0.00 1.40 1.74 0.07 67.93 21:06:01 0 43.46 0.00 0.41 1.84 0.10 54.19 21:06:01 1 35.62 0.00 2.67 3.16 0.08 58.46 21:06:01 2 13.38 0.00 2.05 1.93 0.05 82.59 21:06:01 3 23.28 0.00 0.44 0.00 0.07 76.21 21:07:01 all 18.28 0.00 1.14 3.34 0.05 77.18 21:07:01 0 14.48 0.00 1.02 0.70 0.05 83.76 21:07:01 1 22.57 0.00 1.17 3.92 0.05 72.29 21:07:01 2 18.03 0.00 1.15 1.11 0.05 79.66 21:07:01 3 18.07 0.00 1.22 7.67 0.07 72.98 Average: all 26.89 0.00 1.35 4.72 0.07 66.97 Average: 0 29.18 0.00 0.93 1.83 0.07 67.99 Average: 1 25.59 0.00 1.69 7.62 0.08 65.02 Average: 2 20.72 0.00 1.44 3.96 0.06 73.82 Average: 3 32.10 0.00 1.34 5.46 0.08 61.03