---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1557 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 464 5224 0 2286 7228 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:31:c2:ea brd ff:ff:ff:ff:ff:ff inet 10.32.7.76/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fe31:c2ea/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-1557) 05/23/26 _x86_64_ (4 CPU) 07:04:52 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 139.41 54.74 84.67 3605.93 41091.17 07:07:01 80.11 26.79 53.31 1563.80 9953.30 07:08:01 57.48 12.03 45.45 699.23 9549.62 07:09:01 28.20 3.47 24.73 131.98 6044.06 Average: 76.28 24.25 52.04 1499.94 16687.29 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5933424 7401476 2233988 27.35 39172 1607712 725984 7.88 611048 1457300 118408 07:07:01 5584984 7353016 2582428 31.62 58476 1871016 839152 9.11 664652 1716904 156308 07:08:01 5326276 7372304 2841136 34.79 66656 2133624 717896 7.79 777568 1848592 156688 07:09:01 5344384 7402448 2823028 34.56 68616 2143164 682992 7.41 753796 1852744 17520 Average: 5547267 7382311 2620145 32.08 58230 1938879 741506 8.05 701766 1718885 112231 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 387.32 237.69 1520.96 65.92 0.00 0.00 0.00 0.00 07:06:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 69.82 56.70 529.89 14.06 0.00 0.00 0.00 0.00 07:07:01 lo 1.42 1.42 0.13 0.13 0.00 0.00 0.00 0.00 07:08:01 ens3 181.32 163.21 1861.76 24.92 0.00 0.00 0.00 0.00 07:08:01 lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 07:09:01 ens3 55.51 63.14 29.04 670.56 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 173.93 130.50 987.36 194.61 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 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-1557) 05/23/26 _x86_64_ (4 CPU) 07:04:52 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.00 0.00 1.87 4.44 1.68 70.01 07:06:02 0 23.79 0.00 1.55 1.20 1.42 72.04 07:06:02 1 23.58 0.00 2.28 6.85 1.51 65.78 07:06:02 2 25.36 0.00 1.61 1.51 1.61 69.91 07:06:02 3 15.35 0.00 2.05 8.17 2.18 72.26 07:07:01 all 22.31 0.00 1.31 2.26 1.51 72.61 07:07:01 0 36.04 0.00 1.34 1.17 1.54 59.90 07:07:01 1 5.89 0.00 0.62 4.49 1.23 87.76 07:07:01 2 25.71 0.00 1.65 0.67 1.65 70.31 07:07:01 3 21.71 0.00 1.63 2.68 1.60 72.38 07:08:01 all 36.91 0.00 1.76 1.27 3.55 56.51 07:08:01 0 25.81 0.00 1.60 0.86 3.55 68.18 07:08:01 1 33.23 0.00 1.26 1.21 2.78 61.53 07:08:01 2 29.29 0.00 1.63 0.54 3.97 64.57 07:08:01 3 59.43 0.00 2.57 2.49 3.91 31.60 07:09:01 all 20.38 0.00 1.00 0.95 1.06 76.62 07:09:01 0 6.06 0.00 0.67 0.02 0.53 92.73 07:09:01 1 20.44 0.00 0.82 0.88 0.70 77.17 07:09:01 2 21.96 0.00 1.09 2.58 1.64 72.74 07:09:01 3 33.04 0.00 1.43 0.30 1.32 63.91 Average: all 25.43 0.00 1.48 2.23 1.95 68.90 Average: 0 22.87 0.00 1.29 0.81 1.77 73.27 Average: 1 20.85 0.00 1.25 3.35 1.56 73.00 Average: 2 25.58 0.00 1.49 1.33 2.22 69.37 Average: 3 32.40 0.00 1.92 3.42 2.25 60.00