---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5218 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 7.6G 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 481 5316 0 2178 7213 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:48:f0:a8 brd ff:ff:ff:ff:ff:ff inet 10.32.6.139/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fe48:f0a8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5218) 02/06/26 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 141.27 54.80 86.47 3583.07 40643.94 07:07:01 88.44 30.55 57.89 1730.42 9485.31 07:08:01 68.86 8.86 60.00 510.76 7442.72 07:09:01 24.43 1.70 22.73 78.65 4922.25 Average: 80.72 23.95 56.77 1474.71 15649.93 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5965052 7392408 2202360 26.97 37592 1569604 722584 7.84 612188 1426316 89328 07:07:01 5598268 7304320 2569144 31.46 58192 1811396 778500 8.45 716476 1654092 101712 07:08:01 5444452 7378600 2722960 33.34 65636 2025688 695716 7.55 759640 1753280 115600 07:09:01 5464884 7406324 2702528 33.09 67784 2030304 655980 7.12 740276 1751580 9036 Average: 5618164 7370413 2549248 31.21 57301 1859248 713195 7.74 707145 1646317 78919 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:02 ens3 420.99 216.56 1472.59 64.79 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 104.20 78.68 499.98 19.98 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:08:01 ens3 302.67 341.22 1510.97 57.07 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 07:09:01 ens3 59.87 65.06 29.24 609.18 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 222.44 175.79 879.83 188.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5218) 02/06/26 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.17 0.00 2.82 4.86 1.62 68.53 07:06:02 0 29.51 0.00 2.49 6.51 1.70 59.80 07:06:02 1 29.87 0.00 2.65 6.15 1.55 59.78 07:06:02 2 17.14 0.00 4.90 5.00 1.98 70.98 07:06:02 3 12.24 0.00 1.23 1.75 1.22 83.57 07:07:01 all 25.80 0.00 1.67 2.43 1.20 68.91 07:07:01 0 32.39 0.00 2.05 0.31 1.24 64.01 07:07:01 1 23.71 0.00 1.29 1.46 1.09 72.46 07:07:01 2 16.01 0.00 1.47 6.41 1.32 74.79 07:07:01 3 31.11 0.00 1.87 1.53 1.16 64.33 07:08:01 all 40.95 0.00 2.31 1.04 2.65 53.06 07:08:01 0 37.94 0.00 1.25 0.17 2.31 58.33 07:08:01 1 44.21 0.00 1.86 0.12 2.45 51.36 07:08:01 2 49.93 0.00 3.53 2.11 3.41 41.03 07:08:01 3 31.71 0.00 2.61 1.75 2.41 61.52 07:09:01 all 20.98 0.00 1.05 0.82 0.60 76.54 07:09:01 0 5.87 0.00 0.63 0.02 0.22 93.26 07:09:01 1 8.86 0.00 0.70 0.18 0.42 89.84 07:09:01 2 39.48 0.00 1.77 2.47 1.03 55.26 07:09:01 3 29.68 0.00 1.10 0.62 0.78 67.82 Average: all 27.49 0.00 1.97 2.29 1.52 66.74 Average: 0 26.40 0.00 1.60 1.75 1.37 68.87 Average: 1 26.69 0.00 1.63 1.98 1.38 68.33 Average: 2 30.69 0.00 2.92 3.99 1.94 60.46 Average: 3 26.16 0.00 1.70 1.41 1.39 69.34