---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1996 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 7.6G 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 470 5289 0 2215 7225 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:44:e3:a3 brd ff:ff:ff:ff:ff:ff inet 10.32.6.255/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fe44:e3a3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1996) 05/01/26 _x86_64_ (4 CPU) 07:04:51 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 128.51 54.90 73.61 3602.93 40501.85 07:07:01 84.95 31.13 53.82 1740.86 8965.53 07:08:01 46.38 10.98 35.39 639.23 7788.30 07:09:01 26.96 1.40 25.56 53.72 6104.77 Average: 71.64 24.58 47.07 1508.24 15869.49 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5963840 7396800 2203580 26.98 37280 1573392 913900 9.92 603944 1434940 90748 07:07:01 5600300 7310956 2567120 31.43 58116 1816060 792764 8.60 710756 1659940 107304 07:08:01 5458036 7436656 2709384 33.17 65016 2069704 659024 7.15 714680 1784536 163248 07:09:01 5432776 7413820 2734644 33.48 67292 2070084 665956 7.23 742976 1781004 10432 Average: 5613738 7389558 2553682 31.27 56926 1882310 757911 8.22 693089 1665105 92933 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 07:06:02 ens3 470.21 218.24 1520.66 64.77 0.00 0.00 0.00 0.00 07:07:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 68.09 56.48 503.73 15.60 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:08:01 ens3 214.78 204.03 1807.19 689.29 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 18.81 20.21 15.17 21.57 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 193.50 125.03 963.59 198.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1996) 05/01/26 _x86_64_ (4 CPU) 07:04:51 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 21.78 0.00 1.96 4.28 1.71 70.27 07:06:02 0 23.38 0.00 2.04 5.29 1.25 68.04 07:06:02 1 24.96 0.00 2.30 6.97 1.64 64.12 07:06:02 2 18.07 0.00 1.82 1.09 1.82 77.19 07:06:02 3 20.74 0.00 1.69 3.75 2.10 71.72 07:07:01 all 23.79 0.00 1.56 2.56 1.96 70.13 07:07:01 0 11.34 0.00 1.00 6.12 1.30 80.24 07:07:01 1 29.90 0.00 2.06 0.67 2.22 65.14 07:07:01 2 17.39 0.00 1.61 2.46 2.20 76.34 07:07:01 3 36.55 0.00 1.59 0.98 2.11 58.77 07:08:01 all 37.38 0.00 1.86 0.90 2.71 57.14 07:08:01 0 50.19 0.00 1.94 0.78 3.22 43.86 07:08:01 1 34.04 0.00 2.64 0.95 2.72 59.65 07:08:01 2 37.84 0.00 1.47 0.18 2.41 58.10 07:08:01 3 27.48 0.00 1.36 1.71 2.49 66.97 07:09:01 all 20.88 0.00 0.89 0.79 1.00 76.44 07:09:01 0 1.51 0.00 0.45 2.69 0.85 94.51 07:09:01 1 6.40 0.00 0.65 0.03 0.75 92.17 07:09:01 2 33.52 0.00 1.55 0.18 1.13 63.61 07:09:01 3 42.20 0.00 0.97 0.28 1.27 55.29 Average: all 25.97 0.00 1.57 2.13 1.84 68.49 Average: 0 21.64 0.00 1.36 3.71 1.66 71.63 Average: 1 23.80 0.00 1.91 2.16 1.83 70.30 Average: 2 26.72 0.00 1.61 0.98 1.89 68.80 Average: 3 31.70 0.00 1.40 1.69 1.99 63.22