---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4799 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 7.7G 12G 40% / 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 465 5221 0 2288 7227 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:bd:29:a8 brd ff:ff:ff:ff:ff:ff inet 10.32.6.101/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:febd:29a8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4799) 07/02/26 _x86_64_ (4 CPU) 07:04:48 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 114.50 45.86 68.64 3252.52 6325.90 07:07:01 75.97 30.35 45.62 1688.80 8939.87 07:08:01 55.28 10.65 44.64 628.19 9505.63 07:09:01 24.80 0.85 23.95 46.53 6086.19 Average: 67.63 21.93 45.71 1403.97 7714.42 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5910344 7403716 2257068 27.64 41072 1628560 711468 7.72 613472 1473548 123960 07:07:01 5572108 7349520 2595304 31.78 59064 1879004 764032 8.29 669920 1722620 157412 07:08:01 5354316 7402388 2813096 34.44 66768 2134944 703680 7.64 744104 1852240 162272 07:09:01 5374324 7428560 2793088 34.20 68680 2138736 648092 7.03 726752 1848804 11740 Average: 5552773 7396046 2614639 32.01 58896 1945311 706818 7.67 688562 1724303 113846 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:01 ens3 373.00 227.85 1482.36 65.53 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 71.12 53.92 542.62 14.74 0.00 0.00 0.00 0.00 07:08:01 lo 1.17 1.17 0.11 0.11 0.00 0.00 0.00 0.00 07:08:01 ens3 176.11 157.03 1846.90 24.10 0.00 0.00 0.00 0.00 07:09:01 lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 07:09:01 ens3 55.82 65.67 31.26 670.53 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 169.02 126.12 975.84 193.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4799) 07/02/26 _x86_64_ (4 CPU) 07:04:48 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.77 0.00 1.78 4.08 2.32 69.05 07:06:01 0 11.77 0.00 1.24 0.76 1.98 84.25 07:06:01 1 43.48 0.00 2.65 8.03 3.08 42.76 07:06:01 2 19.59 0.00 1.80 2.18 2.66 73.76 07:06:01 3 16.27 0.00 1.43 5.33 1.58 75.39 07:07:01 all 22.92 0.00 1.51 2.24 2.18 71.16 07:07:01 0 16.42 0.00 1.47 1.21 1.61 79.29 07:07:01 1 13.19 0.00 0.86 2.24 1.88 81.83 07:07:01 2 32.84 0.00 2.61 3.88 3.14 57.53 07:07:01 3 29.24 0.00 1.11 1.61 2.08 65.96 07:08:01 all 35.58 0.00 2.01 1.23 5.43 55.75 07:08:01 0 51.01 0.00 2.36 0.38 5.79 40.46 07:08:01 1 29.65 0.00 1.41 0.54 5.13 63.28 07:08:01 2 33.94 0.00 2.88 2.83 6.08 54.27 07:08:01 3 27.76 0.00 1.39 1.20 4.71 64.94 07:09:01 all 20.03 0.00 1.01 1.07 1.28 76.61 07:09:01 0 22.34 0.00 1.29 0.22 1.43 74.73 07:09:01 1 39.71 0.00 1.28 0.33 1.81 56.86 07:09:01 2 15.72 0.00 0.98 3.35 1.46 78.49 07:09:01 3 2.33 0.00 0.48 0.35 0.43 96.41 Average: all 25.36 0.00 1.58 2.15 2.81 68.10 Average: 0 25.44 0.00 1.59 0.64 2.71 69.62 Average: 1 31.47 0.00 1.55 2.78 2.98 61.22 Average: 2 25.56 0.00 2.07 3.06 3.35 65.96 Average: 3 18.94 0.00 1.11 2.12 2.21 75.63