---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8571 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 447 5277 0 2251 7246 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:d3:99:b4 brd ff:ff:ff:ff:ff:ff inet 10.32.6.128/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86092sec preferred_lft 86092sec inet6 fe80::f816:3eff:fed3:99b4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8571) 11/08/25 _x86_64_ (4 CPU) 19:38:03 LINUX RESTART (4 CPU) 19:39:01 tps rtps wtps bread/s bwrtn/s 19:40:01 49.69 0.30 49.39 28.26 7389.30 19:41:01 106.55 33.91 72.64 2138.98 12978.37 19:42:01 39.72 6.23 33.49 238.72 4774.14 19:43:01 23.56 0.10 23.46 2.93 1507.08 Average: 54.88 10.14 44.74 602.21 6662.15 19:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:01 5862820 7439440 2304592 28.22 51396 1695480 683340 7.41 566956 1556368 121216 19:41:01 5244920 7119752 2922492 35.78 62424 1971036 943820 10.24 915452 1801184 6716 19:42:01 5463752 7476520 2703660 33.10 67088 2100608 621716 6.75 637316 1853764 30980 19:43:01 5352656 7367272 2814756 34.46 69028 2100600 738268 8.01 752016 1849276 11624 Average: 5481037 7350746 2686375 32.89 62484 1966931 746786 8.10 717935 1765148 42634 19:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:01 ens3 55.21 41.28 697.20 5.49 0.00 0.00 0.00 0.00 19:40:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 19:41:01 ens3 325.20 314.11 2571.29 61.15 0.00 0.00 0.00 0.00 19:41:01 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 19:42:01 ens3 210.80 219.29 940.32 51.35 0.00 0.00 0.00 0.00 19:42:01 lo 1.28 1.28 0.18 0.18 0.00 0.00 0.00 0.00 19:43:01 ens3 8.48 10.55 6.54 4.80 0.00 0.00 0.00 0.00 19:43:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 149.92 146.31 1053.83 30.70 0.00 0.00 0.00 0.00 Average: lo 0.94 0.94 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-8571) 11/08/25 _x86_64_ (4 CPU) 19:38:03 LINUX RESTART (4 CPU) 19:39:01 CPU %user %nice %system %iowait %steal %idle 19:40:01 all 18.00 0.00 1.15 2.69 1.98 76.18 19:40:01 0 14.12 0.00 0.88 0.22 0.81 83.97 19:40:01 1 17.41 0.00 1.58 9.37 2.04 69.59 19:40:01 2 35.17 0.00 1.69 0.71 4.10 58.33 19:40:01 3 4.91 0.00 0.46 0.46 0.90 93.27 19:41:01 all 31.83 0.00 2.12 2.76 5.79 57.50 19:41:01 0 32.02 0.00 1.36 1.33 5.41 59.87 19:41:01 1 34.96 0.00 2.23 5.37 5.61 51.83 19:41:01 2 30.30 0.00 2.28 1.21 6.99 59.21 19:41:01 3 30.07 0.00 2.60 3.17 5.11 59.04 19:42:01 all 34.17 0.00 1.68 1.03 4.31 58.82 19:42:01 0 42.41 0.00 2.40 1.31 5.06 48.82 19:42:01 1 36.74 0.00 1.24 1.87 4.08 56.07 19:42:01 2 29.30 0.00 1.99 0.15 4.35 64.21 19:42:01 3 28.19 0.00 1.05 0.79 3.75 66.23 19:43:01 all 20.00 0.00 0.87 1.44 2.23 75.47 19:43:01 0 25.72 0.00 0.84 0.31 1.66 71.47 19:43:01 1 4.13 0.00 0.52 4.23 3.11 88.01 19:43:01 2 39.63 0.00 1.12 0.23 2.53 56.49 19:43:01 3 10.81 0.00 0.99 0.92 1.57 85.71 Average: all 26.04 0.00 1.46 1.98 3.59 66.94 Average: 0 28.64 0.00 1.38 0.80 3.25 65.93 Average: 1 23.31 0.00 1.39 5.20 3.72 66.38 Average: 2 33.56 0.00 1.78 0.58 4.51 59.57 Average: 3 18.57 0.00 1.28 1.34 2.84 75.97