---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8866 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: 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.9G 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 465 5047 0 2463 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:b1:dc:ee brd ff:ff:ff:ff:ff:ff inet 10.32.7.248/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86025sec preferred_lft 86025sec inet6 fe80::f816:3eff:feb1:dcee/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-8866) 08/22/26 _x86_64_ (4 CPU) 02:56:47 LINUX RESTART (4 CPU) 02:57:01 tps rtps wtps bread/s bwrtn/s 02:58:01 106.78 38.48 68.31 1717.05 6591.05 02:59:01 50.99 5.75 45.24 200.63 8880.25 03:00:01 49.13 6.98 42.15 90.89 9748.99 03:01:01 9.83 0.00 9.83 0.00 391.67 03:02:02 49.62 0.92 48.70 79.31 12072.64 Average: 53.27 10.42 42.85 417.54 7537.22 02:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:01 5957536 7428064 2209876 27.06 39556 1608960 704644 7.65 582860 1457304 104052 02:59:01 5685264 7467468 2482148 30.39 56868 1886404 631404 6.85 535640 1742732 212696 03:00:01 5378784 7237592 2788628 34.14 60056 1957864 882856 9.58 779052 1801716 2048 03:01:01 5329536 7217308 2837876 34.75 61968 1983632 898912 9.75 800808 1825720 22828 03:02:02 5204420 7431232 2962992 36.28 67432 2310028 650964 7.06 607904 2130036 32328 Average: 5511108 7356333 2656304 32.52 57176 1949378 753756 8.18 661253 1791502 74790 02:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:58:01 ens3 359.49 190.18 1454.99 62.12 0.00 0.00 0.00 0.00 02:58:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 02:59:01 ens3 80.27 68.82 893.44 13.63 0.00 0.00 0.00 0.00 02:59:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 03:00:01 ens3 100.23 99.23 1144.77 17.18 0.00 0.00 0.00 0.00 03:00:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 03:01:01 ens3 142.04 154.27 419.18 22.36 0.00 0.00 0.00 0.00 03:01:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:02:02 ens3 527.79 427.26 3653.83 70.30 0.00 0.00 0.00 0.00 03:02:02 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 241.97 187.96 1513.29 37.12 0.00 0.00 0.00 0.00 Average: lo 0.68 0.68 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8866) 08/22/26 _x86_64_ (4 CPU) 02:56:47 LINUX RESTART (4 CPU) 02:57:01 CPU %user %nice %system %iowait %steal %idle 02:58:01 all 23.44 0.00 1.64 3.57 1.56 69.78 02:58:01 0 29.36 0.00 1.55 6.61 1.42 61.07 02:58:01 1 13.79 0.00 1.11 1.87 1.82 81.42 02:58:01 2 34.07 0.00 2.20 1.02 1.63 61.08 02:58:01 3 16.66 0.00 1.71 4.81 1.36 75.46 02:59:01 all 21.26 0.00 1.47 1.41 1.62 74.24 02:59:01 0 1.69 0.00 0.72 4.12 2.13 91.34 02:59:01 1 32.40 0.00 2.08 0.94 2.00 62.57 02:59:01 2 44.60 0.00 2.48 0.45 1.71 50.76 02:59:01 3 6.57 0.00 0.62 0.10 0.62 92.10 03:00:01 all 14.12 0.00 0.66 0.95 1.25 83.02 03:00:01 0 19.45 0.00 0.30 0.28 1.43 78.53 03:00:01 1 9.51 0.00 0.90 3.24 1.33 85.01 03:00:01 2 14.95 0.00 0.86 0.25 1.20 82.74 03:00:01 3 12.59 0.00 0.61 0.02 1.03 85.75 03:01:01 all 5.05 0.00 0.43 0.03 0.43 94.06 03:01:01 0 8.41 0.00 0.27 0.02 0.62 90.69 03:01:01 1 3.40 0.00 0.20 0.03 0.32 96.05 03:01:01 2 2.05 0.00 0.33 0.00 0.32 97.30 03:01:01 3 6.35 0.00 0.87 0.03 0.49 92.25 03:02:02 all 20.87 0.00 1.66 0.57 1.58 75.32 03:02:02 0 6.75 0.00 0.99 0.05 1.69 90.52 03:02:02 1 15.65 0.00 1.71 0.96 1.35 80.33 03:02:02 2 50.86 0.00 1.88 0.17 2.07 45.02 03:02:02 3 10.33 0.00 2.10 1.11 1.21 85.24 Average: all 16.96 0.00 1.17 1.31 1.29 79.27 Average: 0 13.09 0.00 0.77 2.22 1.46 82.47 Average: 1 14.97 0.00 1.20 1.41 1.36 81.05 Average: 2 29.30 0.00 1.55 0.38 1.39 67.39 Average: 3 10.52 0.00 1.18 1.22 0.94 86.14