---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6200 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 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 468 5219 0 2287 7224 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:ff:5c:31 brd ff:ff:ff:ff:ff:ff inet 10.32.7.44/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:feff:5c31/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6200) 07/19/26 _x86_64_ (4 CPU) 07:04:56 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 155.07 72.52 82.55 4491.25 40926.80 07:07:02 59.85 5.58 54.27 176.07 9810.46 07:08:01 77.24 33.42 43.82 2113.00 9384.99 07:09:01 22.38 1.93 20.44 114.10 6007.06 Average: 78.64 28.34 50.30 1721.84 16561.50 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5962988 7392892 2204424 26.99 37296 1572384 723404 7.85 607020 1431648 88580 07:07:02 5728024 7455600 2439388 29.87 57336 1831724 811712 8.81 548708 1688196 155184 07:08:01 5371348 7408268 2796064 34.23 66028 2125248 652632 7.08 735860 1844004 150828 07:09:01 5362324 7412704 2805088 34.34 67856 2136284 659064 7.15 739396 1847992 9140 Average: 5606171 7417366 2561241 31.36 57129 1916410 711703 7.72 657746 1702960 100933 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 462.77 262.92 1577.05 67.83 0.00 0.00 0.00 0.00 07:06:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 07:07:02 ens3 58.73 49.30 517.70 10.55 0.00 0.00 0.00 0.00 07:07:02 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 07:08:01 ens3 191.02 172.68 1898.99 28.42 0.00 0.00 0.00 0.00 07:08:01 lo 1.73 1.73 0.17 0.17 0.00 0.00 0.00 0.00 07:09:01 ens3 54.52 65.48 29.02 671.96 0.00 0.00 0.00 0.00 07:09:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 191.75 137.44 1001.89 195.40 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 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-6200) 07/19/26 _x86_64_ (4 CPU) 07:04:56 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.32 0.00 2.92 4.43 1.38 69.94 07:06:01 0 8.86 0.00 4.05 4.76 0.90 81.43 07:06:01 1 47.96 0.00 3.33 3.35 2.01 43.35 07:06:01 2 10.21 0.00 1.98 6.01 1.25 80.55 07:06:01 3 18.26 0.00 2.33 3.60 1.36 74.45 07:07:02 all 20.33 0.00 1.25 1.74 0.92 75.76 07:07:02 0 3.55 0.00 0.48 1.87 0.30 93.80 07:07:02 1 18.97 0.00 1.36 1.21 0.88 77.57 07:07:02 2 46.81 0.00 2.19 0.58 1.65 48.77 07:07:02 3 11.95 0.00 0.93 3.29 0.86 82.97 07:08:01 all 36.98 0.00 1.76 1.61 2.78 56.87 07:08:01 0 40.82 0.00 1.90 2.54 2.59 52.15 07:08:01 1 37.07 0.00 1.76 0.96 2.99 57.22 07:08:01 2 41.91 0.00 1.42 1.54 2.88 52.26 07:08:01 3 28.23 0.00 1.96 1.40 2.69 65.73 07:09:01 all 15.49 0.00 0.88 0.70 0.57 82.35 07:09:01 0 3.58 0.00 0.73 2.35 0.25 93.09 07:09:01 1 32.33 0.00 1.12 0.23 0.85 65.47 07:09:01 2 19.89 0.00 1.03 0.15 0.78 78.15 07:09:01 3 6.18 0.00 0.65 0.07 0.40 92.70 Average: all 23.49 0.00 1.70 2.12 1.41 71.28 Average: 0 14.10 0.00 1.79 2.88 1.00 80.23 Average: 1 34.07 0.00 1.89 1.44 1.68 60.92 Average: 2 29.66 0.00 1.66 2.07 1.63 64.98 Average: 3 16.14 0.00 1.46 2.09 1.33 78.98