---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6642 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 7.7G 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 466 5221 0 2288 7225 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:04:ba:ee brd ff:ff:ff:ff:ff:ff inet 10.32.6.235/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:fe04:baee/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-6642) 07/25/26 _x86_64_ (4 CPU) 07:38:54 LINUX RESTART (4 CPU) 07:39:01 tps rtps wtps bread/s bwrtn/s 07:40:02 139.60 54.93 84.67 3594.14 40503.98 07:41:01 69.62 12.10 57.52 250.40 10636.16 07:42:01 82.89 6.53 76.35 412.33 11974.14 07:43:01 32.91 0.90 32.01 88.39 4365.14 Average: 81.31 18.64 62.66 1089.91 16896.92 07:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:02 5993828 7416264 2173592 26.61 36876 1565628 706720 7.67 582596 1428320 86984 07:41:01 5757360 7483180 2410060 29.51 58100 1829176 609608 6.61 524516 1684108 156312 07:42:01 4707576 6643960 3459844 42.36 65096 2025344 1393352 15.12 1404672 1836164 7180 07:43:01 5372852 7422552 2794568 34.22 69188 2132152 652708 7.08 667496 1905760 26852 Average: 5457904 7241489 2709516 33.17 57315 1888075 840597 9.12 794820 1713588 69332 07:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:40:02 ens3 503.98 282.72 1449.44 69.58 0.00 0.00 0.00 0.00 07:41:01 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 07:41:01 ens3 72.85 60.11 555.15 12.66 0.00 0.00 0.00 0.00 07:42:01 lo 0.67 0.67 0.08 0.08 0.00 0.00 0.00 0.00 07:42:01 ens3 391.38 432.39 2992.14 71.05 0.00 0.00 0.00 0.00 07:43:01 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 07:43:01 ens3 143.88 160.27 661.17 37.67 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 278.89 234.60 1418.07 47.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6642) 07/25/26 _x86_64_ (4 CPU) 07:38:54 LINUX RESTART (4 CPU) 07:39:01 CPU %user %nice %system %iowait %steal %idle 07:40:02 all 21.59 0.00 2.81 4.52 0.94 70.14 07:40:02 0 26.71 0.00 2.19 4.54 1.12 65.44 07:40:02 1 34.61 0.00 2.16 3.42 0.95 58.85 07:40:02 2 16.45 0.00 5.41 1.04 1.16 75.94 07:40:02 3 8.58 0.00 1.48 9.03 0.52 80.38 07:41:01 all 21.25 0.00 1.44 1.62 0.64 75.05 07:41:01 0 41.82 0.00 1.88 0.39 1.03 54.87 07:41:01 1 18.88 0.00 1.47 1.59 0.61 77.44 07:41:01 2 12.94 0.00 1.07 0.09 0.56 85.34 07:41:01 3 11.31 0.00 1.34 4.39 0.39 82.56 07:42:01 all 43.39 0.00 2.08 1.64 2.23 50.66 07:42:01 0 38.34 0.00 1.38 0.35 2.15 57.78 07:42:01 1 37.92 0.00 1.52 3.23 2.09 55.24 07:42:01 2 51.79 0.00 3.20 1.93 2.39 40.69 07:42:01 3 45.56 0.00 2.20 1.03 2.27 48.94 07:43:01 all 25.16 0.00 1.45 0.68 0.83 71.88 07:43:01 0 35.80 0.00 1.62 0.10 0.97 61.51 07:43:01 1 13.73 0.00 1.55 0.72 0.63 83.36 07:43:01 2 33.32 0.00 1.23 0.38 1.07 63.99 07:43:01 3 17.75 0.00 1.40 1.52 0.65 78.68 Average: all 27.88 0.00 1.95 2.11 1.16 66.90 Average: 0 35.65 0.00 1.77 1.35 1.32 59.92 Average: 1 26.31 0.00 1.68 2.24 1.07 68.70 Average: 2 28.70 0.00 2.73 0.86 1.30 66.40 Average: 3 20.84 0.00 1.61 3.99 0.96 72.60