---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-102 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 473 5406 0 2095 7224 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:1b:42:01 brd ff:ff:ff:ff:ff:ff inet 10.32.7.22/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe1b:4201/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-102) 05/05/26 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 150.32 65.32 85.00 4275.82 41089.44 19:15:01 69.23 12.98 56.25 299.15 9053.07 19:16:01 60.81 8.55 52.26 470.99 9655.99 19:17:01 22.73 0.37 22.36 33.86 1495.90 Average: 75.80 21.84 53.96 1273.92 15348.99 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 5953088 7399208 2214332 27.11 38604 1586348 713952 7.75 605792 1442364 102924 19:15:01 5578080 7244964 2589340 31.70 58328 1772032 874328 9.49 779912 1612132 99988 19:16:01 5557980 7414852 2609440 31.95 62916 1953552 668048 7.25 687492 1716148 27888 19:17:01 5541520 7402184 2625900 32.15 65176 1954672 679300 7.37 705556 1713796 9752 Average: 5657667 7365302 2509753 30.73 56256 1816651 733907 7.96 694688 1621110 60138 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 19:14:02 ens3 479.44 228.66 1531.56 63.94 0.00 0.00 0.00 0.00 19:15:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 19:15:01 ens3 92.99 89.43 478.50 23.48 0.00 0.00 0.00 0.00 19:16:01 lo 1.70 1.70 0.15 0.15 0.00 0.00 0.00 0.00 19:16:01 ens3 286.25 277.57 1211.66 566.89 0.00 0.00 0.00 0.00 19:17:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:17:01 ens3 12.43 13.21 9.59 6.33 0.00 0.00 0.00 0.00 Average: lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 218.28 152.47 809.16 165.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-102) 05/05/26 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 22.21 0.00 2.73 4.47 1.44 69.15 19:14:02 0 7.70 0.00 1.66 6.04 1.59 83.02 19:14:02 1 37.48 0.00 2.77 5.12 1.57 53.05 19:14:02 2 33.57 0.00 2.77 1.40 1.57 60.69 19:14:02 3 10.16 0.00 3.75 5.32 1.02 79.74 19:15:01 all 27.61 0.00 1.67 1.54 1.84 67.35 19:15:01 0 14.78 0.00 0.45 0.07 1.82 82.88 19:15:01 1 18.11 0.00 1.20 3.99 1.45 75.25 19:15:01 2 47.63 0.00 3.02 0.78 2.30 46.27 19:15:01 3 29.95 0.00 2.00 1.35 1.81 64.88 19:16:01 all 34.47 0.00 2.06 1.34 2.22 59.91 19:16:01 0 52.41 0.00 2.78 0.57 2.41 41.83 19:16:01 1 32.09 0.00 1.55 0.81 2.33 63.22 19:16:01 2 22.91 0.00 1.58 1.63 1.93 71.95 19:16:01 3 30.51 0.00 2.34 2.36 2.16 62.62 19:17:01 all 20.82 0.00 0.89 0.66 0.82 76.81 19:17:01 0 34.44 0.00 1.36 0.08 1.13 62.98 19:17:01 1 11.09 0.00 0.43 0.03 1.01 87.44 19:17:01 2 0.55 0.00 0.45 1.73 0.10 97.17 19:17:01 3 37.23 0.00 1.30 0.78 1.08 59.60 Average: all 26.28 0.00 1.84 2.01 1.58 68.30 Average: 0 27.34 0.00 1.57 1.70 1.74 67.66 Average: 1 24.71 0.00 1.49 2.48 1.59 69.73 Average: 2 26.09 0.00 1.95 1.39 1.47 69.10 Average: 3 26.97 0.00 2.35 2.46 1.52 66.70