---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-318 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 7.7G 12G 41% / 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 484 5143 0 2348 7208 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:b2:fb:74 brd ff:ff:ff:ff:ff:ff inet 10.32.7.252/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86080sec preferred_lft 86080sec inet6 fe80::f816:3eff:feb2:fb74/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-318) 04/11/26 _x86_64_ (4 CPU) 16:36:56 LINUX RESTART (4 CPU) 16:37:01 tps rtps wtps bread/s bwrtn/s 16:38:02 162.59 76.17 86.42 4758.94 40800.28 16:39:01 83.19 30.81 52.38 1695.98 8889.21 16:40:01 37.09 10.11 26.98 771.75 6739.11 16:41:01 12.26 1.07 11.20 31.19 3568.14 16:42:01 32.31 0.68 31.63 77.72 7819.50 Average: 65.43 23.74 41.68 1466.23 13577.86 16:37:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:38:02 5947988 7374344 2219424 27.17 37480 1568960 736808 7.99 626364 1428644 89576 16:39:01 5588764 7289388 2578648 31.57 57736 1806964 797884 8.66 748668 1632004 104832 16:40:01 4694568 6598772 3472844 42.52 62468 1999676 1602784 17.39 1476952 1782652 91216 16:41:01 5298704 7399376 2868708 35.12 66576 2187196 665420 7.22 737960 1910712 197052 16:42:01 5260188 7371640 2907224 35.60 69264 2195120 701028 7.61 773256 1913176 8448 Average: 5358042 7206704 2809370 34.40 58705 1951583 900785 9.77 872640 1733438 98225 16:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:38:02 ens3 482.84 286.34 1521.72 70.24 0.00 0.00 0.00 0.00 16:38:02 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 16:39:01 ens3 63.01 54.89 496.91 14.17 0.00 0.00 0.00 0.00 16:39:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 16:40:01 ens3 205.66 194.50 2711.63 23.89 0.00 0.00 0.00 0.00 16:40:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 16:41:01 ens3 119.43 105.98 1250.74 18.17 0.00 0.00 0.00 0.00 16:41:01 lo 123.46 123.46 36.58 36.58 0.00 0.00 0.00 0.00 16:42:01 ens3 12.63 13.38 9.74 6.49 0.00 0.00 0.00 0.00 16:42:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 177.09 131.28 1200.64 26.63 0.00 0.00 0.00 0.00 Average: lo 25.63 25.63 7.42 7.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-318) 04/11/26 _x86_64_ (4 CPU) 16:36:56 LINUX RESTART (4 CPU) 16:37:01 CPU %user %nice %system %iowait %steal %idle 16:38:02 all 22.37 0.00 2.56 5.14 1.13 68.79 16:38:02 0 9.16 0.00 1.65 7.92 0.70 80.57 16:38:02 1 21.64 0.00 1.55 1.30 0.97 74.54 16:38:02 2 35.34 0.00 5.22 4.82 1.64 52.98 16:38:02 3 23.41 0.00 1.82 6.51 1.20 67.07 16:39:01 all 23.85 0.00 1.40 1.88 1.17 71.70 16:39:01 0 7.76 0.00 0.52 3.93 0.64 87.15 16:39:01 1 27.73 0.00 1.37 2.42 1.46 67.02 16:39:01 2 17.87 0.00 1.09 0.48 0.97 79.60 16:39:01 3 42.12 0.00 2.60 0.66 1.65 52.97 16:40:01 all 38.31 0.00 1.51 0.86 2.34 56.98 16:40:01 0 38.29 0.00 1.36 1.89 1.94 56.52 16:40:01 1 35.15 0.00 1.40 0.80 2.50 60.15 16:40:01 2 38.73 0.00 2.09 0.38 2.34 56.45 16:40:01 3 41.09 0.00 1.20 0.37 2.57 54.78 16:41:01 all 33.95 0.00 1.48 0.19 2.14 62.24 16:41:01 0 37.60 0.00 1.24 0.28 2.19 58.70 16:41:01 1 39.24 0.00 1.30 0.05 2.06 57.35 16:41:01 2 29.50 0.00 1.39 0.03 2.16 66.92 16:41:01 3 29.41 0.00 2.05 0.37 2.17 66.01 16:42:01 all 20.97 0.00 0.92 0.81 0.74 76.56 16:42:01 0 8.14 0.00 0.77 2.38 0.58 88.14 16:42:01 1 16.27 0.00 0.70 0.22 0.48 82.33 16:42:01 2 29.86 0.00 1.23 0.07 1.02 67.82 16:42:01 3 29.66 0.00 0.98 0.57 0.87 67.92 Average: all 27.91 0.00 1.58 1.77 1.51 67.24 Average: 0 20.22 0.00 1.11 3.28 1.21 74.18 Average: 1 28.01 0.00 1.26 0.95 1.49 68.28 Average: 2 30.31 0.00 2.21 1.16 1.63 64.70 Average: 3 33.11 0.00 1.73 1.70 1.69 61.78