---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8844 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 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 473 5197 0 2304 7219 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:a2:83:ee brd ff:ff:ff:ff:ff:ff inet 10.32.6.198/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fea2:83ee/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-8844) 03/14/26 _x86_64_ (4 CPU) 08:12:51 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 130.56 54.27 76.29 3575.21 34587.40 08:15:01 86.97 29.81 57.16 1644.39 13189.00 08:16:01 78.57 9.83 68.74 665.22 8573.77 08:17:01 27.40 0.65 26.75 77.45 3710.98 Average: 80.87 23.64 57.23 1490.66 15016.10 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 5949824 7380760 2217588 27.15 38436 1572172 730856 7.93 622996 1429644 94196 08:15:01 5460112 7286776 2707300 33.15 57708 1931436 802944 8.71 750636 1756856 100872 08:16:01 5372644 7430688 2794768 34.22 65120 2147568 631768 6.86 679152 1901072 66248 08:17:01 5309908 7379236 2857504 34.99 67980 2155652 697056 7.56 737316 1904268 9596 Average: 5523122 7369365 2644290 32.38 57311 1951707 715656 7.77 697525 1747960 67728 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 452.65 253.50 1434.63 66.49 0.00 0.00 0.00 0.00 08:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 08:15:01 ens3 155.01 117.75 2627.99 22.21 0.00 0.00 0.00 0.00 08:15:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 08:16:01 ens3 473.64 482.04 2203.64 90.96 0.00 0.00 0.00 0.00 08:16:01 lo 1.25 1.25 0.18 0.18 0.00 0.00 0.00 0.00 08:17:01 ens3 10.88 11.11 10.29 5.60 0.00 0.00 0.00 0.00 08:17:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 273.05 216.10 1569.13 46.32 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8844) 03/14/26 _x86_64_ (4 CPU) 08:12:51 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 23.34 0.00 1.97 3.68 1.06 69.94 08:14:01 0 12.38 0.00 1.91 5.24 0.90 79.57 08:14:01 1 17.51 0.00 1.77 2.77 0.93 77.02 08:14:01 2 41.74 0.00 2.88 2.12 1.49 51.77 08:14:01 3 21.83 0.00 1.34 4.58 0.94 71.31 08:15:01 all 26.67 0.00 1.84 2.07 1.50 67.93 08:15:01 0 11.02 0.00 0.55 0.37 1.23 86.83 08:15:01 1 49.86 0.00 3.56 2.34 1.96 42.28 08:15:01 2 32.22 0.00 2.61 2.00 1.85 61.32 08:15:01 3 13.56 0.00 0.58 3.58 0.95 81.32 08:16:01 all 43.67 0.00 2.45 1.36 3.58 48.94 08:16:01 0 38.94 0.00 2.21 0.64 3.71 54.50 08:16:01 1 40.71 0.00 1.50 1.35 3.29 53.14 08:16:01 2 44.41 0.00 2.82 1.04 3.67 48.06 08:16:01 3 50.63 0.00 3.30 2.40 3.65 40.02 08:17:01 all 20.59 0.00 0.90 1.23 1.31 75.97 08:17:01 0 4.76 0.00 0.42 0.02 0.35 94.46 08:17:01 1 13.95 0.00 0.59 1.04 1.86 82.55 08:17:01 2 51.19 0.00 1.66 0.58 2.02 44.55 08:17:01 3 12.47 0.00 0.96 3.25 0.98 82.34 Average: all 28.59 0.00 1.79 2.08 1.86 65.67 Average: 0 16.82 0.00 1.27 1.56 1.55 78.79 Average: 1 30.50 0.00 1.85 1.87 2.01 63.75 Average: 2 42.40 0.00 2.49 1.43 2.26 51.41 Average: 3 24.64 0.00 1.55 3.45 1.63 68.73