---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4990 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 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 676K 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 562 12738 0 2739 15152 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:14:1f:3e brd ff:ff:ff:ff:ff:ff inet 10.30.106.76/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fe14:1f3e/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-4990) 02/03/26 _x86_64_ (4 CPU) 03:04:58 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:02 314.25 55.52 258.72 3675.92 60196.37 03:07:01 131.76 15.49 116.27 391.12 28042.57 03:08:01 39.68 3.12 36.56 339.41 20456.19 03:09:01 43.71 4.13 39.58 131.58 18598.23 Average: 132.35 19.58 112.77 1137.62 31839.16 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:02 14008820 15578936 2416148 14.71 62008 1708844 748008 4.28 635580 1566904 167960 03:07:01 13441132 15188192 2983836 18.17 80568 1855192 1278852 7.32 1058784 1684860 10364 03:08:01 12521784 14413648 3903184 23.76 85404 1990260 1958764 11.21 1856184 1795804 7812 03:09:01 13042996 15511060 3381972 20.59 89588 2553072 796768 4.56 971988 2141644 529688 Average: 13253683 15172959 3171285 19.31 79392 2026842 1195598 6.84 1130634 1797303 178956 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:02 lo 1.80 1.80 0.21 0.21 0.00 0.00 0.00 0.00 03:06:02 ens3 386.30 257.26 1807.38 74.34 0.00 0.00 0.00 0.00 03:07:01 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 03:07:01 ens3 246.01 236.54 1165.60 68.04 0.00 0.00 0.00 0.00 03:08:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 03:08:01 ens3 1488.15 1070.82 2185.50 430.61 0.00 0.00 0.00 0.00 03:09:01 lo 2.75 2.75 0.25 0.25 0.00 0.00 0.00 0.00 03:09:01 ens3 450.24 334.49 798.71 679.13 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 644.34 475.77 1490.65 314.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4990) 02/03/26 _x86_64_ (4 CPU) 03:04:58 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:02 all 19.60 0.00 2.18 8.45 0.06 69.70 03:06:02 0 40.86 0.00 3.77 6.71 0.08 48.57 03:06:02 1 16.55 0.00 2.46 1.90 0.07 79.02 03:06:02 2 14.02 0.00 1.24 6.96 0.03 77.76 03:06:02 3 6.89 0.00 1.23 18.30 0.05 73.53 03:07:01 all 20.39 0.00 1.61 2.46 0.07 75.46 03:07:01 0 19.24 0.00 1.40 0.73 0.07 78.56 03:07:01 1 23.93 0.00 1.91 0.48 0.09 73.60 03:07:01 2 15.55 0.00 1.36 1.26 0.07 81.76 03:07:01 3 22.85 0.00 1.82 7.37 0.07 67.89 03:08:01 all 36.19 0.00 5.56 1.61 0.08 56.56 03:08:01 0 39.26 0.00 9.36 0.69 0.07 50.63 03:08:01 1 45.56 0.00 8.04 0.52 0.10 45.78 03:08:01 2 33.14 0.00 2.88 3.73 0.07 60.18 03:08:01 3 26.78 0.00 1.98 1.51 0.07 69.67 03:09:01 all 39.93 0.00 1.84 0.95 0.08 57.21 03:09:01 0 35.97 0.00 1.55 0.07 0.07 62.34 03:09:01 1 32.04 0.00 2.22 0.17 0.08 65.49 03:09:01 2 55.18 0.00 1.35 3.30 0.08 40.08 03:09:01 3 36.48 0.00 2.19 0.25 0.08 60.99 Average: all 29.07 0.00 2.80 3.37 0.07 64.68 Average: 0 33.90 0.00 4.03 2.06 0.07 59.94 Average: 1 29.55 0.00 3.66 0.77 0.08 65.94 Average: 2 29.56 0.00 1.71 3.82 0.06 64.84 Average: 3 23.26 0.00 1.81 6.85 0.07 68.02