---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1822 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 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 5166 0 2344 7226 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:86:27:3a brd ff:ff:ff:ff:ff:ff inet 10.32.7.147/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85881sec preferred_lft 85881sec inet6 fe80::f816:3eff:fe86:273a/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-1822) 08/23/25 _x86_64_ (4 CPU) 20:22:59 LINUX RESTART (4 CPU) 20:23:01 tps rtps wtps bread/s bwrtn/s 20:24:01 191.89 111.75 80.14 5500.03 39999.08 20:25:01 57.70 0.22 57.48 26.66 9470.44 20:26:01 64.67 29.66 35.01 1628.80 6805.13 20:27:01 9.02 0.02 9.00 0.13 341.28 20:28:01 36.89 10.36 26.52 729.22 3645.72 20:29:01 3.08 0.10 2.98 3.07 144.78 20:30:01 26.16 3.68 22.48 102.10 2355.35 20:31:01 27.07 0.75 26.32 86.24 6131.29 Average: 52.06 19.57 32.49 1009.56 8612.02 20:23:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:24:01 6061956 7441608 2105456 25.78 35284 1525320 676852 7.34 556368 1386912 64528 20:25:01 5778148 7407856 2389264 29.25 54588 1741544 703080 7.63 602912 1594444 114528 20:26:01 5502236 7254004 2665176 32.63 59068 1855200 828888 8.99 765424 1700224 1572 20:27:01 5495380 7254336 2672032 32.72 60960 1859516 828888 8.99 766696 1703840 2120 20:28:01 4450580 6335768 3716832 45.51 63512 1979508 1909076 20.71 1719012 1784164 3456 20:29:01 4225784 6111280 3941628 48.26 63588 1979612 1935432 21.00 1945252 1781540 36 20:30:01 4485704 6583304 3681708 45.08 66824 2183508 1322760 14.35 1552068 1906860 140008 20:31:01 5308624 7415216 2858788 35.00 69300 2190452 673660 7.31 739536 1901036 9760 Average: 5163552 6975422 3003860 36.78 59140 1914332 1109830 12.04 1080908 1719878 42001 20:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:24:01 ens3 383.19 210.68 1132.86 63.65 0.00 0.00 0.00 0.00 20:24:01 lo 2.13 2.13 0.20 0.20 0.00 0.00 0.00 0.00 20:25:01 ens3 46.35 38.89 633.99 4.98 0.00 0.00 0.00 0.00 20:25:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 20:26:01 ens3 129.80 123.35 955.17 26.60 0.00 0.00 0.00 0.00 20:26:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 20:27:01 ens3 59.74 85.84 64.06 13.86 0.00 0.00 0.00 0.00 20:27:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 20:28:01 ens3 224.66 260.60 1591.47 37.98 0.00 0.00 0.00 0.00 20:28:01 lo 1.78 1.78 0.86 0.86 0.00 0.00 0.00 0.00 20:29:01 ens3 1.83 1.68 0.46 0.54 0.00 0.00 0.00 0.00 20:29:01 lo 12.13 12.13 3.75 3.75 0.00 0.00 0.00 0.00 20:30:01 ens3 235.64 262.90 1120.67 55.20 0.00 0.00 0.00 0.00 20:30:01 lo 16.31 16.31 3.44 3.44 0.00 0.00 0.00 0.00 20:31:01 ens3 23.36 18.99 15.29 9.22 0.00 0.00 0.00 0.00 20:31:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 138.08 125.37 689.27 26.51 0.00 0.00 0.00 0.00 Average: lo 4.37 4.37 1.06 1.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1822) 08/23/25 _x86_64_ (4 CPU) 20:22:59 LINUX RESTART (4 CPU) 20:23:01 CPU %user %nice %system %iowait %steal %idle 20:24:01 all 23.06 0.00 3.58 6.11 1.65 65.61 20:24:01 0 20.89 0.00 2.00 4.18 1.68 71.25 20:24:01 1 20.66 0.00 2.28 8.93 1.43 66.69 20:24:01 2 23.14 0.00 6.47 3.71 1.52 65.15 20:24:01 3 27.53 0.00 3.55 7.58 1.94 59.39 20:25:01 all 20.65 0.00 1.32 1.65 1.03 75.35 20:25:01 0 57.08 0.00 3.26 0.55 2.22 36.89 20:25:01 1 0.37 0.00 0.58 4.94 0.18 93.92 20:25:01 2 5.41 0.00 0.70 1.02 0.65 92.23 20:25:01 3 19.72 0.00 0.73 0.10 1.08 78.37 20:26:01 all 16.36 0.00 0.97 1.22 1.05 80.39 20:26:01 0 19.85 0.00 1.06 1.46 1.20 76.42 20:26:01 1 12.67 0.00 0.67 1.08 0.88 84.70 20:26:01 2 16.40 0.00 0.75 1.22 1.23 80.39 20:26:01 3 16.52 0.00 1.43 1.10 0.90 80.05 20:27:01 all 4.35 0.00 0.30 0.04 0.18 95.13 20:27:01 0 3.10 0.00 0.33 0.00 0.08 96.48 20:27:01 1 7.39 0.00 0.12 0.05 0.28 92.16 20:27:01 2 0.85 0.00 0.08 0.07 0.23 98.76 20:27:01 3 6.03 0.00 0.66 0.07 0.12 93.13 20:28:01 all 42.11 0.00 1.46 0.68 2.79 52.95 20:28:01 0 44.27 0.00 1.90 0.77 2.73 50.34 20:28:01 1 41.35 0.00 1.45 0.43 2.61 54.16 20:28:01 2 42.51 0.00 1.26 0.22 3.04 52.97 20:28:01 3 40.33 0.00 1.23 1.30 2.78 54.35 20:29:01 all 4.41 0.00 0.57 0.03 0.39 94.59 20:29:01 0 4.55 0.00 0.65 0.07 0.40 94.34 20:29:01 1 5.40 0.00 0.77 0.00 0.35 93.48 20:29:01 2 3.56 0.00 0.50 0.00 0.38 95.56 20:29:01 3 4.14 0.00 0.35 0.07 0.42 95.03 20:30:01 all 18.85 0.00 1.32 0.17 1.16 78.51 20:30:01 0 17.98 0.00 0.90 0.02 1.20 79.91 20:30:01 1 12.93 0.00 1.16 0.02 1.10 84.79 20:30:01 2 26.33 0.00 1.95 0.08 1.05 70.60 20:30:01 3 18.02 0.00 1.25 0.57 1.28 78.89 20:31:01 all 20.38 0.00 1.12 0.87 1.25 76.38 20:31:01 0 12.30 0.00 0.64 0.66 1.32 85.07 20:31:01 1 1.24 0.00 0.48 0.63 0.73 96.92 20:31:01 2 29.11 0.00 1.63 0.08 1.35 67.83 20:31:01 3 38.98 0.00 1.73 2.11 1.60 55.59 Average: all 18.77 0.00 1.33 1.34 1.19 77.37 Average: 0 22.49 0.00 1.34 0.96 1.35 73.85 Average: 1 12.74 0.00 0.94 2.01 0.94 83.37 Average: 2 18.45 0.00 1.67 0.80 1.18 77.90 Average: 3 21.41 0.00 1.37 1.61 1.26 74.35