---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3403 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 663 1081 0 2199 3015 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:4e:a7:c5 brd ff:ff:ff:ff:ff:ff inet 10.32.7.51/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86178sec preferred_lft 86178sec inet6 fe80::f816:3eff:fe4e:a7c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3403) 03/02/24 _x86_64_ (4 CPU) 07:38:51 LINUX RESTART (4 CPU) 07:39:01 tps rtps wtps bread/s bwrtn/s 07:40:02 110.63 67.21 43.43 4541.24 6594.50 07:41:01 108.45 15.01 93.44 558.18 14904.24 07:42:01 35.86 5.45 30.41 216.76 6039.93 Average: 84.85 29.30 55.55 1778.78 9147.90 07:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:02 1804308 3374428 2234336 55.32 48600 1677616 574680 11.30 544524 1516940 155828 07:41:01 1116956 2960632 2921688 72.34 62944 1923420 1028396 20.22 997372 1722784 16648 07:42:01 1124452 3101724 2914192 72.16 67892 2049092 794752 15.62 933504 1773848 43344 Average: 1348572 3145595 2690072 66.61 59812 1883376 799276 15.71 825133 1671191 71940 07:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:02 ens3 315.45 205.10 1393.81 59.11 0.00 0.00 0.00 0.00 07:40:02 lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 07:41:01 ens3 424.62 481.43 2746.69 78.68 0.00 0.00 0.00 0.00 07:41:01 lo 1.56 1.56 0.15 0.15 0.00 0.00 0.00 0.00 07:42:01 ens3 428.86 303.80 1001.42 133.91 0.00 0.00 0.00 0.00 07:42:01 lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 389.45 329.27 1708.26 90.63 0.00 0.00 0.00 0.00 Average: lo 1.33 1.33 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3403) 03/02/24 _x86_64_ (4 CPU) 07:38:51 LINUX RESTART (4 CPU) 07:39:01 CPU %user %nice %system %iowait %steal %idle 07:40:02 all 22.45 0.00 1.91 3.03 0.05 72.55 07:40:02 0 31.52 0.00 2.11 0.72 0.08 65.57 07:40:02 1 20.76 0.00 1.75 2.24 0.03 75.22 07:40:02 2 20.85 0.00 2.07 7.97 0.07 69.04 07:40:02 3 16.68 0.00 1.71 1.17 0.05 80.39 07:41:01 all 32.31 0.00 1.56 1.53 0.09 64.51 07:41:01 0 26.71 0.00 1.99 4.37 0.10 66.83 07:41:01 1 27.50 0.00 1.37 1.25 0.07 69.80 07:41:01 2 27.20 0.00 1.20 0.39 0.09 71.12 07:41:01 3 47.81 0.00 1.70 0.12 0.09 50.28 07:42:01 all 32.68 0.00 1.48 0.59 0.06 65.19 07:42:01 0 27.39 0.00 1.29 1.47 0.05 69.81 07:42:01 1 27.60 0.00 1.65 0.67 0.05 70.03 07:42:01 2 26.45 0.00 1.09 0.08 0.07 72.31 07:42:01 3 49.26 0.00 1.89 0.12 0.08 48.66 Average: all 29.13 0.00 1.65 1.72 0.07 67.43 Average: 0 28.55 0.00 1.79 2.17 0.08 67.41 Average: 1 25.28 0.00 1.59 1.39 0.05 71.69 Average: 2 24.81 0.00 1.45 2.84 0.07 70.82 Average: 3 37.87 0.00 1.77 0.47 0.07 59.82