---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2257 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 468 5326 0 2181 7229 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:c8:62:90 brd ff:ff:ff:ff:ff:ff inet 10.32.7.226/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:fec8:6290/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2257) 01/02/26 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 139.14 55.41 83.74 3646.33 40893.47 07:07:01 65.52 11.72 53.80 975.33 9264.27 07:08:01 96.63 37.24 59.39 2143.11 8537.64 07:09:01 22.33 1.70 20.63 78.64 4824.79 Average: 80.90 26.52 54.39 1710.81 15879.86 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5936104 7364636 2231316 27.32 37264 1571072 749340 8.13 636816 1430572 82944 07:07:01 5730664 7404576 2436756 29.84 56324 1782820 718796 7.80 631356 1611312 133292 07:08:01 5428828 7368612 2738592 33.53 63580 2035220 721356 7.83 785740 1747320 115544 07:09:01 5494624 7439972 2672796 32.73 65436 2038512 644172 6.99 721736 1744716 9152 Average: 5647555 7394449 2519865 30.85 55651 1856906 708416 7.69 693912 1633480 85233 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 459.76 242.61 1473.00 66.63 0.00 0.00 0.00 0.00 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 22.52 19.78 260.29 3.15 0.00 0.00 0.00 0.00 07:07:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 07:08:01 ens3 333.49 309.12 1425.68 63.44 0.00 0.00 0.00 0.00 07:08:01 lo 1.43 1.43 0.15 0.15 0.00 0.00 0.00 0.00 07:09:01 ens3 58.28 65.08 28.66 606.91 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 Average: ens3 218.51 159.15 796.90 185.06 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2257) 01/02/26 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.97 0.00 2.60 3.76 1.22 69.45 07:06:01 0 41.03 0.00 5.33 2.84 1.59 49.22 07:06:01 1 7.38 0.00 1.60 4.83 0.80 85.39 07:06:01 2 32.00 0.00 2.07 6.00 1.30 58.63 07:06:01 3 11.53 0.00 1.39 1.43 1.23 84.42 07:07:01 all 21.35 0.00 1.22 1.52 0.86 75.04 07:07:01 0 18.70 0.00 1.08 0.13 0.65 79.44 07:07:01 1 34.74 0.00 1.60 1.40 1.12 61.14 07:07:01 2 9.23 0.00 1.04 4.45 0.64 84.66 07:07:01 3 22.74 0.00 1.18 0.12 1.03 74.93 07:08:01 all 39.36 0.00 1.93 1.69 2.33 54.69 07:08:01 0 35.38 0.00 1.20 0.30 2.11 61.01 07:08:01 1 37.39 0.00 1.68 1.91 2.14 56.88 07:08:01 2 50.20 0.00 3.21 2.37 2.78 41.44 07:08:01 3 34.45 0.00 1.66 2.17 2.31 59.41 07:09:01 all 21.31 0.00 1.04 0.58 0.75 76.33 07:09:01 0 27.55 0.00 0.75 0.18 0.75 70.76 07:09:01 1 10.70 0.00 0.85 0.10 0.42 87.93 07:09:01 2 29.49 0.00 1.37 1.97 0.88 66.29 07:09:01 3 17.49 0.00 1.18 0.08 0.90 80.34 Average: all 26.25 0.00 1.70 1.89 1.29 68.87 Average: 0 30.66 0.00 2.09 0.86 1.27 65.12 Average: 1 22.57 0.00 1.43 2.06 1.12 72.82 Average: 2 30.25 0.00 1.92 3.69 1.40 62.74 Average: 3 21.55 0.00 1.35 0.95 1.37 74.77