---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1160 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 492 5263 0 2220 7203 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:82:8c:79 brd ff:ff:ff:ff:ff:ff inet 10.32.7.20/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fe82:8c79/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1160) 05/18/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 100.00 29.76 70.24 1007.83 6329.23 07:07:01 78.77 30.74 48.03 1694.92 8987.04 07:08:01 45.36 10.70 34.66 633.49 10398.27 07:09:01 22.08 0.35 21.73 33.73 1570.27 Average: 61.55 17.89 43.66 842.49 6821.20 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5809944 7386384 2357476 28.86 48088 1698560 707284 7.67 650832 1522404 179264 07:07:01 5568308 7317180 2599112 31.82 61384 1848340 774024 8.40 731364 1663532 81568 07:08:01 5394104 7377764 2773316 33.96 65780 2074440 697928 7.57 773552 1788268 28880 07:09:01 5437756 7424352 2729664 33.42 67836 2074660 629032 6.83 733140 1783248 10104 Average: 5552528 7376420 2614892 32.02 60772 1924000 702067 7.62 722222 1689363 74954 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 407.83 225.10 1391.33 59.63 0.00 0.00 0.00 0.00 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:07:01 ens3 115.66 104.47 880.56 23.97 0.00 0.00 0.00 0.00 07:07:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 173.34 160.62 1419.53 677.37 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 13.48 13.98 11.45 16.71 0.00 0.00 0.00 0.00 07:09:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 177.58 126.04 925.72 194.42 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1160) 05/18/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 23.22 0.00 1.52 3.26 1.57 70.43 07:06:01 0 23.66 0.00 1.46 1.83 1.25 71.80 07:06:01 1 11.74 0.00 0.93 2.16 1.58 83.59 07:06:01 2 30.52 0.00 2.11 8.39 2.30 56.69 07:06:01 3 26.95 0.00 1.56 0.63 1.13 69.72 07:07:01 all 28.44 0.00 1.67 1.97 2.54 65.38 07:07:01 0 18.92 0.00 0.98 0.65 2.11 77.35 07:07:01 1 15.36 0.00 1.04 4.36 2.45 76.80 07:07:01 2 34.00 0.00 2.22 1.90 2.78 59.09 07:07:01 3 45.56 0.00 2.44 0.95 2.84 48.22 07:08:01 all 30.28 0.00 1.43 1.25 2.40 64.64 07:08:01 0 45.34 0.00 1.67 0.79 2.78 49.41 07:08:01 1 21.50 0.00 1.31 2.19 2.09 72.90 07:08:01 2 35.67 0.00 1.52 0.28 2.59 59.94 07:08:01 3 18.59 0.00 1.24 1.76 2.11 76.30 07:09:01 all 20.83 0.00 0.89 0.71 1.02 76.55 07:09:01 0 39.66 0.00 1.33 0.17 1.71 57.13 07:09:01 1 26.57 0.00 1.10 2.41 1.06 68.85 07:09:01 2 16.07 0.00 0.81 0.25 0.98 81.88 07:09:01 3 0.93 0.00 0.35 0.00 0.32 98.40 Average: all 25.70 0.00 1.38 1.80 1.88 69.24 Average: 0 31.91 0.00 1.36 0.86 1.96 63.91 Average: 1 18.78 0.00 1.09 2.78 1.80 75.54 Average: 2 29.07 0.00 1.67 2.71 2.16 64.39 Average: 3 23.03 0.00 1.40 0.83 1.60 73.14