---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2960 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: 2799.996 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 8.9G 69G 12% / 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 581 12659 0 2799 15135 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 fq_codel state UP group default qlen 1000 link/ether fa:16:3e:92:96:b9 brd ff:ff:ff:ff:ff:ff inet 10.30.106.170/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86058sec preferred_lft 86058sec inet6 fe80::f816:3eff:fe92:96b9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2960) 11/22/23 _x86_64_ (4 CPU) 13:26:34 LINUX RESTART (4 CPU) 13:27:01 tps rtps wtps bread/s bwrtn/s 13:28:01 96.52 17.20 79.32 1017.30 21761.71 13:29:01 165.96 36.58 129.38 2327.61 33373.50 13:30:01 23.45 6.42 17.03 212.76 15621.40 13:31:01 21.01 0.40 20.61 38.53 18728.61 13:32:01 27.30 2.65 24.65 272.75 14387.34 Average: 66.85 12.65 54.20 773.79 20774.51 13:27:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:28:01 13966148 15554920 2458820 14.97 61868 1728156 820260 4.69 685396 1563624 182596 13:29:01 12518392 14529916 3906576 23.78 77416 2120284 1681364 9.62 1756436 1905824 18776 13:30:01 11311972 13334624 5112996 31.13 77892 2130028 2827880 16.18 3008552 1854828 2432 13:31:01 12795004 15260372 3629964 22.10 79404 2563996 1094076 6.26 1211484 2160160 327192 13:32:01 12989972 15525296 3434996 20.91 84424 2627500 802332 4.59 993500 2179804 57316 Average: 12716298 14841026 3708670 22.58 76201 2233993 1445182 8.27 1531074 1932848 117662 13:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:28:01 ens3 67.47 44.88 974.81 7.89 0.00 0.00 0.00 0.00 13:28:01 lo 1.47 1.47 0.16 0.16 0.00 0.00 0.00 0.00 13:29:01 ens3 377.75 299.12 3981.12 66.67 0.00 0.00 0.00 0.00 13:29:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 13:30:01 ens3 278.29 207.87 85.58 88.51 0.00 0.00 0.00 0.00 13:30:01 lo 38.41 38.41 19.47 19.47 0.00 0.00 0.00 0.00 13:31:01 ens3 541.24 387.97 2803.92 117.60 0.00 0.00 0.00 0.00 13:31:01 lo 29.06 29.06 11.31 11.31 0.00 0.00 0.00 0.00 13:32:01 ens3 324.91 244.19 684.58 89.29 0.00 0.00 0.00 0.00 13:32:01 lo 0.80 0.80 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 317.93 236.80 1706.00 73.99 0.00 0.00 0.00 0.00 Average: lo 14.04 14.04 6.21 6.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2960) 11/22/23 _x86_64_ (4 CPU) 13:26:34 LINUX RESTART (4 CPU) 13:27:01 CPU %user %nice %system %iowait %steal %idle 13:28:01 all 20.00 0.00 1.41 5.34 0.05 73.20 13:28:01 0 23.02 0.00 1.50 5.48 0.05 69.95 13:28:01 1 22.24 0.00 1.84 0.67 0.05 75.20 13:28:01 2 16.57 0.00 1.12 0.88 0.03 81.40 13:28:01 3 18.20 0.00 1.17 14.34 0.05 66.24 13:29:01 all 34.89 0.00 1.95 4.70 0.11 58.34 13:29:01 0 31.04 0.00 2.46 4.10 0.12 62.28 13:29:01 1 31.75 0.00 2.08 1.37 0.13 64.67 13:29:01 2 40.94 0.00 1.73 5.29 0.10 51.94 13:29:01 3 35.83 0.00 1.53 8.07 0.10 54.48 13:30:01 all 73.60 0.00 1.59 1.08 0.15 23.58 13:30:01 0 75.68 0.00 1.01 0.49 0.18 22.65 13:30:01 1 75.97 0.00 1.98 0.02 0.13 21.90 13:30:01 2 72.58 0.00 1.86 2.28 0.15 23.12 13:30:01 3 70.15 0.00 1.53 1.53 0.15 26.64 13:31:01 all 49.47 0.00 2.35 1.32 0.13 46.73 13:31:01 0 40.88 0.00 2.64 3.11 0.13 53.23 13:31:01 1 52.77 0.00 2.82 0.03 0.13 44.24 13:31:01 2 54.91 0.00 1.94 2.11 0.12 40.92 13:31:01 3 49.29 0.00 1.98 0.03 0.12 48.58 13:32:01 all 32.55 0.00 1.37 0.88 0.08 65.13 13:32:01 0 41.96 0.00 1.34 2.86 0.12 53.72 13:32:01 1 31.05 0.00 1.71 0.15 0.07 67.02 13:32:01 2 25.09 0.00 1.07 0.30 0.05 73.49 13:32:01 3 32.11 0.00 1.30 0.23 0.07 66.29 Average: all 42.08 0.00 1.73 2.67 0.10 53.42 Average: 0 42.50 0.00 1.79 3.21 0.12 52.38 Average: 1 42.76 0.00 2.09 0.45 0.10 54.60 Average: 2 41.98 0.00 1.54 2.17 0.09 54.21 Average: 3 41.08 0.00 1.50 4.84 0.10 52.47