---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8556 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 41% / 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 5165 0 2344 7226 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:f1:d7:43 brd ff:ff:ff:ff:ff:ff inet 10.32.7.224/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86055sec preferred_lft 86055sec inet6 fe80::f816:3eff:fef1:d743/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8556) 11/08/25 _x86_64_ (4 CPU) 16:37:04 LINUX RESTART (4 CPU) 16:38:01 tps rtps wtps bread/s bwrtn/s 16:39:01 59.61 0.22 59.39 26.66 9551.74 16:40:01 66.08 33.15 32.93 2106.57 8090.53 16:41:01 14.63 8.07 6.57 326.75 3401.83 16:42:01 27.33 1.52 25.81 102.38 7287.05 Average: 41.92 10.74 31.18 641.08 7083.13 16:38:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:39:01 5774644 7401284 2392768 29.30 54204 1739280 703340 7.63 609276 1592632 120868 16:40:01 5192652 7076916 2974760 36.42 62344 1980140 1001724 10.87 953440 1812404 91940 16:41:01 4175168 6078120 3992244 48.88 63208 1996640 1951040 21.17 1995200 1778312 1108 16:42:01 5239040 7346584 2928372 35.85 68392 2191468 740276 8.03 793948 1913108 25940 Average: 5095376 6975726 3072036 37.61 62037 1976882 1099095 11.93 1087966 1774114 59964 16:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:39:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 16:39:01 ens3 55.36 44.49 699.87 5.70 0.00 0.00 0.00 0.00 16:40:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 16:40:01 ens3 233.15 200.32 2719.97 32.19 0.00 0.00 0.00 0.00 16:41:01 lo 89.20 89.20 33.04 33.04 0.00 0.00 0.00 0.00 16:41:01 ens3 13.43 12.71 90.15 2.25 0.00 0.00 0.00 0.00 16:42:01 lo 31.63 31.63 3.43 3.43 0.00 0.00 0.00 0.00 16:42:01 ens3 135.48 123.61 1259.47 21.82 0.00 0.00 0.00 0.00 Average: lo 30.60 30.60 9.15 9.15 0.00 0.00 0.00 0.00 Average: ens3 109.40 95.32 1192.87 15.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8556) 11/08/25 _x86_64_ (4 CPU) 16:37:04 LINUX RESTART (4 CPU) 16:38:01 CPU %user %nice %system %iowait %steal %idle 16:39:01 all 20.47 0.00 1.27 1.67 1.11 75.48 16:39:01 0 0.33 0.00 0.07 0.00 0.10 99.50 16:39:01 1 62.32 0.00 3.28 0.52 2.27 31.61 16:39:01 2 18.23 0.00 1.27 3.64 1.84 75.02 16:39:01 3 1.02 0.00 0.47 2.52 0.23 95.77 16:40:01 all 21.71 0.00 1.41 1.51 1.60 73.77 16:40:01 0 20.66 0.00 1.54 0.75 1.43 75.62 16:40:01 1 25.40 0.00 1.63 1.86 1.88 69.23 16:40:01 2 15.57 0.00 0.94 1.57 1.44 80.49 16:40:01 3 25.25 0.00 1.52 1.87 1.67 69.70 16:41:01 all 48.83 0.00 1.67 0.42 3.68 45.40 16:41:01 0 48.07 0.00 1.36 0.21 3.62 46.73 16:41:01 1 47.10 0.00 2.27 0.75 4.10 45.79 16:41:01 2 50.21 0.00 1.48 0.36 3.46 44.49 16:41:01 3 49.98 0.00 1.53 0.35 3.52 44.63 16:42:01 all 27.75 0.00 1.42 0.76 1.55 68.52 16:42:01 0 41.22 0.00 1.38 0.10 1.78 55.52 16:42:01 1 34.11 0.00 1.48 0.10 2.08 62.23 16:42:01 2 19.70 0.00 1.23 1.46 1.13 76.47 16:42:01 3 15.90 0.00 1.60 1.40 1.25 79.86 Average: all 29.70 0.00 1.44 1.09 1.99 65.78 Average: 0 27.61 0.00 1.09 0.27 1.73 69.30 Average: 1 42.20 0.00 2.16 0.80 2.58 52.25 Average: 2 25.92 0.00 1.23 1.76 1.97 69.13 Average: 3 23.06 0.00 1.28 1.53 1.67 72.47