---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4988 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 7.6G 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 480 5345 0 2150 7217 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:6b:61:a3 brd ff:ff:ff:ff:ff:ff inet 10.32.6.243/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe6b:61a3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4988) 09/28/25 _x86_64_ (4 CPU) 07:04:49 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 111.06 54.27 56.79 3571.94 4579.52 07:07:01 54.00 0.22 53.78 27.11 9324.16 07:08:01 94.93 37.70 57.23 2138.67 8237.20 07:09:01 22.03 1.32 20.71 65.71 4828.66 Average: 70.57 23.47 47.10 1456.67 6731.55 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 6050828 7443408 2116592 25.92 36428 1536720 686572 7.45 557436 1397664 71404 07:07:01 5859240 7500828 2308180 28.26 55932 1750280 612540 6.65 503144 1610912 123392 07:08:01 5444556 7353716 2722864 33.34 62828 2005964 770976 8.37 777636 1740324 115600 07:09:01 5494288 7408864 2673132 32.73 65088 2008728 702796 7.63 731268 1736972 9444 Average: 5712228 7426704 2455192 30.06 55069 1825423 693221 7.52 642371 1621468 79960 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 07:06:02 ens3 448.38 249.11 1178.48 67.71 0.00 0.00 0.00 0.00 07:07:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 07:07:01 ens3 39.88 32.12 551.90 4.20 0.00 0.00 0.00 0.00 07:08:01 lo 1.43 1.43 0.15 0.15 0.00 0.00 0.00 0.00 07:08:01 ens3 288.20 276.53 1414.73 57.75 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 07:09:01 ens3 58.58 65.24 28.91 598.06 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 Average: ens3 209.45 156.26 794.45 182.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4988) 09/28/25 _x86_64_ (4 CPU) 07:04:49 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 21.05 0.00 1.90 3.59 1.31 72.14 07:06:02 0 24.15 0.00 2.01 1.96 1.15 70.73 07:06:02 1 16.18 0.00 1.47 7.55 1.25 73.56 07:06:02 2 28.63 0.00 1.80 2.23 1.66 65.69 07:06:02 3 15.25 0.00 2.34 2.64 1.18 78.59 07:07:01 all 20.39 0.00 1.23 1.84 1.47 75.07 07:07:01 0 30.66 0.00 1.24 0.49 1.12 66.49 07:07:01 1 20.73 0.00 1.35 1.20 2.64 74.08 07:07:01 2 16.31 0.00 1.38 5.47 1.20 75.64 07:07:01 3 13.89 0.00 0.93 0.22 0.91 84.05 07:08:01 all 37.27 0.00 1.85 1.72 3.29 55.87 07:08:01 0 36.20 0.00 1.84 1.79 3.27 56.90 07:08:01 1 35.65 0.00 2.08 2.76 3.28 56.23 07:08:01 2 47.60 0.00 1.75 1.65 3.47 45.52 07:08:01 3 29.63 0.00 1.73 0.68 3.14 64.83 07:09:01 all 20.93 0.00 1.01 0.90 1.24 75.91 07:09:01 0 10.56 0.00 0.68 0.12 0.63 88.02 07:09:01 1 20.35 0.00 1.38 0.90 0.92 76.46 07:09:01 2 11.32 0.00 0.67 1.48 1.82 84.70 07:09:01 3 41.67 0.00 1.28 1.12 1.57 54.36 Average: all 24.94 0.00 1.50 2.01 1.83 69.72 Average: 0 25.38 0.00 1.44 1.09 1.55 70.53 Average: 1 23.25 0.00 1.57 3.10 2.02 70.05 Average: 2 25.99 0.00 1.40 2.69 2.04 67.88 Average: 3 25.15 0.00 1.58 1.17 1.70 70.40