---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-399 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 7.8G 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 461 5134 0 2379 7230 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:7a:71:c2 brd ff:ff:ff:ff:ff:ff inet 10.32.7.254/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86059sec preferred_lft 86059sec inet6 fe80::f816:3eff:fe7a:71c2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-399) 05/09/26 _x86_64_ (4 CPU) 05:14:57 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:02 161.49 83.01 78.48 4904.75 40194.32 05:17:01 82.90 30.66 52.25 1693.14 8928.25 05:18:01 35.45 6.61 28.84 641.79 8102.37 05:19:01 10.93 4.08 6.85 144.89 3354.22 05:20:01 26.80 1.27 25.53 99.05 7348.51 Average: 63.45 25.11 38.34 1496.22 13602.36 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:02 6075992 7471404 2091420 25.61 36280 1540000 650476 7.06 527160 1403844 73028 05:17:01 5677852 7380680 2489560 30.48 56688 1810752 769068 8.34 657772 1637160 122820 05:18:01 4766312 6695836 3401100 41.64 62444 2024848 1483956 16.10 1365520 1825268 95932 05:19:01 4781932 6759976 3385480 41.45 64644 2069216 1268020 13.76 1330528 1838884 41100 05:20:01 5290096 7431876 2877316 35.23 68484 2225732 668528 7.25 713764 1944296 25148 Average: 5318437 7147954 2848975 34.88 57708 1934110 968010 10.50 918949 1729890 71606 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:02 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 05:16:02 ens3 425.35 244.04 1269.07 66.02 0.00 0.00 0.00 0.00 05:17:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 05:17:01 ens3 70.17 55.85 727.52 12.85 0.00 0.00 0.00 0.00 05:18:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 05:18:01 ens3 223.21 207.15 3108.41 26.38 0.00 0.00 0.00 0.00 05:19:01 lo 119.86 119.86 36.38 36.38 0.00 0.00 0.00 0.00 05:19:01 ens3 55.66 53.70 565.75 7.96 0.00 0.00 0.00 0.00 05:20:01 lo 0.87 0.87 0.07 0.07 0.00 0.00 0.00 0.00 05:20:01 ens3 76.92 66.77 693.50 15.16 0.00 0.00 0.00 0.00 Average: lo 24.88 24.88 7.38 7.38 0.00 0.00 0.00 0.00 Average: ens3 170.61 125.74 1274.71 25.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-399) 05/09/26 _x86_64_ (4 CPU) 05:14:57 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:02 all 21.00 0.00 3.14 5.16 2.23 68.47 05:16:02 0 8.74 0.00 1.53 5.04 1.66 83.03 05:16:02 1 35.50 0.00 2.65 5.26 2.32 54.27 05:16:02 2 22.16 0.00 2.80 4.54 2.53 67.97 05:16:02 3 17.58 0.00 5.60 5.82 2.40 68.60 05:17:01 all 22.23 0.00 1.50 2.15 1.34 72.78 05:17:01 0 7.41 0.00 0.78 1.86 0.86 89.08 05:17:01 1 5.74 0.00 0.56 4.54 0.63 88.53 05:17:01 2 59.09 0.00 3.37 1.96 2.67 32.91 05:17:01 3 16.63 0.00 1.31 0.22 1.20 80.64 05:18:01 all 27.89 0.00 1.54 0.78 2.90 66.88 05:18:01 0 27.17 0.00 1.45 1.56 2.24 67.58 05:18:01 1 26.56 0.00 1.41 0.65 2.61 68.77 05:18:01 2 30.45 0.00 1.26 0.81 3.29 64.18 05:18:01 3 27.40 0.00 2.04 0.10 3.43 67.03 05:19:01 all 42.99 0.00 1.44 0.14 4.37 51.06 05:19:01 0 42.80 0.00 1.31 0.05 4.14 51.71 05:19:01 1 38.94 0.00 1.52 0.13 4.26 55.15 05:19:01 2 45.47 0.00 1.39 0.20 4.29 48.65 05:19:01 3 44.76 0.00 1.58 0.15 4.81 48.71 05:20:01 all 24.52 0.00 1.40 0.76 1.42 71.90 05:20:01 0 15.33 0.00 0.83 0.05 0.73 83.05 05:20:01 1 39.30 0.00 2.85 2.38 2.01 53.46 05:20:01 2 33.63 0.00 0.98 0.55 1.61 63.23 05:20:01 3 9.90 0.00 0.93 0.07 1.32 87.78 Average: all 27.76 0.00 1.81 1.80 2.46 66.18 Average: 0 20.35 0.00 1.18 1.71 1.93 74.82 Average: 1 29.31 0.00 1.80 2.58 2.38 63.94 Average: 2 38.07 0.00 1.95 1.61 2.88 55.48 Average: 3 23.28 0.00 2.29 1.27 2.64 70.51