---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-15086 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: 2799.998 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 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 619 12640 0 2780 15093 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:0c:d6:d7 brd ff:ff:ff:ff:ff:ff inet 10.30.107.96/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fe0c:d6d7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-15086) 08/25/26 _x86_64_ (4 CPU) 18:48:44 LINUX RESTART (4 CPU) 18:49:07 tps rtps wtps bread/s bwrtn/s 18:50:01 369.38 60.66 308.72 4046.07 85054.32 18:51:01 174.66 28.89 145.77 1698.77 43180.67 18:52:01 69.99 11.20 58.79 805.33 9772.10 18:53:01 18.18 5.15 13.03 181.44 1347.24 Average: 152.63 25.60 127.04 1622.32 33551.63 18:49:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:01 13999672 15564124 2425296 14.77 60280 1706548 830492 4.75 653756 1561124 206280 18:51:01 13456180 15342208 2968788 18.07 81428 1991112 969296 5.55 921088 1805184 16264 18:52:01 11891744 14076692 4533224 27.60 89372 2272280 2180304 12.48 2256644 2010196 8264 18:53:01 12941264 15451616 3483704 21.21 91292 2591380 856660 4.90 1029364 2182132 317996 Average: 13072215 15108660 3352753 20.41 80593 2140330 1209188 6.92 1215213 1889659 137201 18:49:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:01 ens3 399.98 256.43 1936.46 81.72 0.00 0.00 0.00 0.00 18:50:01 lo 1.70 1.70 0.19 0.19 0.00 0.00 0.00 0.00 18:51:01 ens3 229.06 204.00 1364.04 50.98 0.00 0.00 0.00 0.00 18:51:01 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 18:52:01 ens3 448.83 343.51 3307.95 61.31 0.00 0.00 0.00 0.00 18:52:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 18:53:01 ens3 327.20 217.06 397.58 624.13 0.00 0.00 0.00 0.00 18:53:01 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 350.01 255.22 1746.75 207.68 0.00 0.00 0.00 0.00 Average: lo 0.96 0.96 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-15086) 08/25/26 _x86_64_ (4 CPU) 18:48:44 LINUX RESTART (4 CPU) 18:49:07 CPU %user %nice %system %iowait %steal %idle 18:50:01 all 21.65 0.00 2.30 6.81 0.06 69.17 18:50:01 0 11.38 0.00 1.19 0.48 0.07 86.88 18:50:01 1 17.91 0.00 2.12 8.13 0.06 71.79 18:50:01 2 42.00 0.00 4.28 5.34 0.07 48.30 18:50:01 3 15.24 0.00 1.62 13.30 0.06 69.79 18:51:01 all 19.40 0.00 1.78 1.89 0.07 76.86 18:51:01 0 26.57 0.00 1.84 0.62 0.08 70.89 18:51:01 1 13.42 0.00 1.42 0.47 0.05 84.64 18:51:01 2 22.82 0.00 2.19 0.80 0.08 74.10 18:51:01 3 14.83 0.00 1.64 5.67 0.07 77.79 18:52:01 all 60.35 0.00 2.19 0.17 0.08 37.21 18:52:01 0 56.91 0.00 2.37 0.13 0.08 40.50 18:52:01 1 62.06 0.00 2.43 0.27 0.10 35.14 18:52:01 2 56.83 0.00 2.36 0.12 0.08 40.62 18:52:01 3 65.58 0.00 1.57 0.17 0.08 32.60 18:53:01 all 60.74 0.00 2.32 0.06 0.09 36.80 18:53:01 0 77.07 0.00 2.75 0.03 0.10 20.05 18:53:01 1 56.67 0.00 2.04 0.05 0.08 41.16 18:53:01 2 55.55 0.00 1.91 0.17 0.07 42.31 18:53:01 3 53.76 0.00 2.56 0.00 0.08 43.59 Average: all 41.03 0.00 2.14 2.12 0.08 54.64 Average: 0 43.79 0.00 2.06 0.31 0.09 53.76 Average: 1 38.02 0.00 2.00 2.08 0.07 57.83 Average: 2 44.36 0.00 2.65 1.51 0.08 51.41 Average: 3 37.95 0.00 1.86 4.56 0.07 55.56