---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1439 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 7.6G 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 468 5408 0 2098 7229 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:cd:13:2f brd ff:ff:ff:ff:ff:ff inet 10.32.7.2/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fecd:132f/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-1439) 12/22/25 _x86_64_ (4 CPU) 19:12:54 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 141.86 57.64 84.22 3670.99 40521.26 19:15:01 69.41 12.39 57.02 294.46 9846.87 19:16:01 62.10 6.43 55.66 400.13 7567.34 19:17:01 22.75 1.08 21.66 65.86 4371.67 Average: 74.05 19.41 54.63 1111.23 15600.42 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 5983396 7409008 2184024 26.74 36900 1568256 708808 7.69 589972 1428060 86160 19:15:01 5774548 7439880 2392872 29.30 57264 1771448 816632 8.86 573096 1620516 123852 19:16:01 5485440 7349260 2681980 32.84 63200 1959312 746488 8.10 750116 1724368 110636 19:17:01 5564252 7425160 2603168 31.87 65012 1954740 663620 7.20 680396 1715428 9424 Average: 5701909 7405827 2465511 30.19 55594 1813439 733887 7.96 648395 1622093 82518 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 ens3 382.35 223.41 1431.25 64.76 0.00 0.00 0.00 0.00 19:14:02 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 19:15:01 ens3 91.05 62.24 477.19 17.11 0.00 0.00 0.00 0.00 19:15:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 19:16:01 ens3 304.55 286.05 1250.64 59.38 0.00 0.00 0.00 0.00 19:16:01 lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 19:17:01 ens3 49.88 59.16 28.14 525.58 0.00 0.00 0.00 0.00 19:17:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 207.45 158.12 798.16 167.33 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 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-1439) 12/22/25 _x86_64_ (4 CPU) 19:12:54 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 20.97 0.00 2.46 4.50 2.36 69.71 19:14:02 0 23.90 0.00 4.41 2.22 2.27 67.20 19:14:02 1 7.98 0.00 1.74 6.29 2.14 81.85 19:14:02 2 17.12 0.00 2.03 6.60 2.46 71.79 19:14:02 3 34.89 0.00 1.68 2.87 2.59 57.96 19:15:01 all 20.41 0.00 1.39 2.17 2.00 74.03 19:15:01 0 25.49 0.00 1.37 5.33 1.81 66.00 19:15:01 1 12.80 0.00 0.96 0.67 1.98 83.59 19:15:01 2 4.57 0.00 0.62 2.00 2.22 90.58 19:15:01 3 39.04 0.00 2.64 0.71 1.98 55.63 19:16:01 all 36.60 0.00 1.84 1.01 5.43 55.12 19:16:01 0 28.88 0.00 1.24 0.63 5.20 64.05 19:16:01 1 33.48 0.00 1.65 2.36 5.01 57.51 19:16:01 2 30.23 0.00 2.01 0.08 5.18 62.50 19:16:01 3 53.80 0.00 2.44 0.94 6.33 36.49 19:17:01 all 20.56 0.00 0.97 0.77 1.32 76.38 19:17:01 0 2.29 0.00 0.58 2.49 0.58 94.05 19:17:01 1 38.34 0.00 1.38 0.23 1.53 58.51 19:17:01 2 6.89 0.00 0.83 0.05 1.45 90.78 19:17:01 3 34.82 0.00 1.13 0.30 1.73 62.02 Average: all 24.67 0.00 1.67 2.11 2.79 68.77 Average: 0 20.14 0.00 1.90 2.65 2.47 72.84 Average: 1 23.18 0.00 1.43 2.40 2.67 70.32 Average: 2 14.73 0.00 1.37 2.19 2.83 78.88 Average: 3 40.67 0.00 1.97 1.21 3.17 52.98