---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5029 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 9.6G 68G 13% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 613 11829 0 3597 15096 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ca:8c:63 brd ff:ff:ff:ff:ff:ff inet 10.30.106.252/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:feca:8c63/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5029) 11/02/26 _x86_64_ (4 CPU) 11:36:45 LINUX RESTART (4 CPU) 11:37:01 tps rtps wtps bread/s bwrtn/s 11:38:03 336.23 19.51 316.71 713.35 59484.62 11:39:01 174.09 46.54 127.55 2691.26 18685.74 11:40:01 83.44 2.25 81.19 55.99 9598.53 11:41:01 142.88 3.98 138.89 128.78 21799.70 Average: 184.24 17.83 166.41 882.27 27465.30 11:37:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:38:03 13773624 15567304 2651344 16.14 69888 1914656 772748 4.42 644056 1773320 297372 11:39:01 11091560 13322688 5333408 32.47 80928 2324704 2937236 16.81 2976496 2082040 137404 11:40:01 9047740 11852172 7377228 44.91 90528 2830980 4363920 24.97 4653608 2382740 390648 11:41:01 12066596 15420616 4358372 26.54 95124 3356504 882384 5.05 1359940 2646552 296804 Average: 11494880 14040695 4930088 30.02 84117 2606711 2239072 12.81 2408525 2221163 280557 11:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:38:03 lo 1.13 1.13 0.13 0.13 0.00 0.00 0.00 0.00 11:38:03 ens3 150.14 95.25 1493.76 30.69 0.00 0.00 0.00 0.00 11:39:01 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 11:39:01 ens3 395.79 285.16 2865.59 61.72 0.00 0.00 0.00 0.00 11:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 ens3 113.11 72.10 546.54 29.78 0.00 0.00 0.00 0.00 11:41:01 lo 1.68 1.68 13.56 13.56 0.00 0.00 0.00 0.00 11:41:01 ens3 306.65 183.87 826.49 73.54 0.00 0.00 0.00 0.00 Average: lo 0.84 0.84 3.46 3.46 0.00 0.00 0.00 0.00 Average: ens3 240.13 158.04 1421.06 48.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5029) 11/02/26 _x86_64_ (4 CPU) 11:36:45 LINUX RESTART (4 CPU) 11:37:01 CPU %user %nice %system %iowait %steal %idle 11:38:03 all 20.11 0.00 1.58 4.02 0.01 74.28 11:38:03 0 9.21 0.00 0.97 3.04 0.02 86.77 11:38:03 1 30.02 0.00 1.57 0.58 0.02 67.81 11:38:03 2 17.35 0.00 1.44 6.11 0.00 75.10 11:38:03 3 23.83 0.00 2.34 6.33 0.02 67.49 11:39:01 all 59.16 0.00 2.19 0.71 0.02 37.93 11:39:01 0 72.62 0.00 3.49 1.09 0.02 22.78 11:39:01 1 65.21 0.00 0.74 0.41 0.02 33.61 11:39:01 2 44.23 0.00 1.99 0.42 0.02 53.35 11:39:01 3 54.60 0.00 2.54 0.92 0.02 41.92 11:40:01 all 58.69 0.00 2.19 0.23 0.03 38.86 11:40:01 0 70.98 0.00 3.58 0.33 0.05 25.06 11:40:01 1 57.80 0.00 1.52 0.00 0.02 40.66 11:40:01 2 56.47 0.00 1.95 0.47 0.03 41.07 11:40:01 3 49.52 0.00 1.70 0.13 0.02 48.63 11:41:01 all 54.56 0.00 2.73 0.43 0.02 42.27 11:41:01 0 52.32 0.00 2.41 0.02 0.02 45.23 11:41:01 1 59.72 0.00 2.97 0.18 0.03 37.09 11:41:01 2 44.31 0.00 2.81 0.80 0.02 52.06 11:41:01 3 61.89 0.00 2.68 0.70 0.02 34.71 Average: all 48.03 0.00 2.17 1.35 0.02 48.43 Average: 0 51.11 0.00 2.61 1.12 0.03 45.14 Average: 1 53.07 0.00 1.71 0.29 0.02 44.90 Average: 2 40.55 0.00 2.05 1.96 0.02 55.42 Average: 3 47.39 0.00 2.31 2.03 0.02 48.25