---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8628 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 472 5327 0 2175 7223 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:31:b9:0c brd ff:ff:ff:ff:ff:ff inet 10.32.7.12/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86102sec preferred_lft 86102sec inet6 fe80::f816:3eff:fe31:b90c/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-8628) 03/11/26 _x86_64_ (4 CPU) 12:46:48 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 113.48 53.64 59.84 3519.41 5286.87 12:49:01 83.15 30.11 53.04 1702.12 8865.19 12:50:01 70.09 8.90 61.19 511.51 7415.30 12:51:01 28.06 2.73 25.33 119.98 4991.97 Average: 73.70 23.85 49.85 1463.26 6639.83 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 5995764 7417036 2171656 26.59 37116 1563984 704996 7.65 583624 1424208 82856 12:49:01 5601232 7297952 2566188 31.42 57032 1803888 842272 9.14 722072 1647788 101652 12:50:01 5502192 7427940 2665228 32.63 64916 2018252 660404 7.17 708848 1746604 114840 12:51:01 5409340 7349248 2758080 33.77 67400 2029456 740644 8.04 795964 1751612 10088 Average: 5627132 7373044 2540288 31.10 56616 1853895 737079 8.00 702627 1642553 77359 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 12:48:01 ens3 415.70 233.73 1442.84 64.76 0.00 0.00 0.00 0.00 12:49:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 12:49:01 ens3 63.56 49.21 456.40 15.11 0.00 0.00 0.00 0.00 12:50:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 12:50:01 ens3 312.41 356.59 1563.47 59.51 0.00 0.00 0.00 0.00 12:51:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 12:51:01 ens3 57.56 67.71 27.91 605.19 0.00 0.00 0.00 0.00 Average: lo 0.99 0.99 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 212.31 176.81 872.65 186.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8628) 03/11/26 _x86_64_ (4 CPU) 12:46:48 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 20.91 0.00 1.96 5.13 3.41 68.59 12:48:01 0 11.20 0.00 1.33 5.64 3.56 78.27 12:48:01 1 38.58 0.00 2.88 2.85 3.26 52.43 12:48:01 2 12.61 0.00 1.51 1.20 3.40 81.27 12:48:01 3 21.47 0.00 2.12 10.80 3.44 62.18 12:49:01 all 22.47 0.00 1.52 3.19 2.78 70.03 12:49:01 0 20.16 0.00 2.19 5.75 3.27 68.63 12:49:01 1 11.42 0.00 0.89 3.16 2.49 82.04 12:49:01 2 24.09 0.00 1.27 0.10 2.36 72.19 12:49:01 3 34.24 0.00 1.73 3.73 3.00 57.30 12:50:01 all 39.81 0.00 2.24 1.18 5.73 51.04 12:50:01 0 36.39 0.00 2.33 1.39 5.52 54.36 12:50:01 1 47.45 0.00 2.27 0.67 6.13 43.48 12:50:01 2 34.30 0.00 1.45 0.21 5.31 58.73 12:50:01 3 41.08 0.00 2.93 2.46 5.99 47.54 12:51:01 all 20.80 0.00 0.90 0.86 1.04 76.40 12:51:01 0 36.52 0.00 1.27 0.13 1.28 60.80 12:51:01 1 0.88 0.00 0.32 1.21 0.76 96.83 12:51:01 2 10.91 0.00 0.85 0.05 0.67 87.53 12:51:01 3 34.97 0.00 1.16 2.03 1.41 60.43 Average: all 26.01 0.00 1.66 2.60 3.25 66.48 Average: 0 25.99 0.00 1.78 3.25 3.42 65.56 Average: 1 24.68 0.00 1.59 1.97 3.17 68.58 Average: 2 20.50 0.00 1.27 0.39 2.94 74.89 Average: 3 32.89 0.00 1.99 4.78 3.46 56.88