---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27112 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 681 10204 4 5103 14965 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:42:b1:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84279sec preferred_lft 84279sec inet6 fe80::f816:3eff:fe42:b12e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:06:87:ea:b5:6c brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-27112) 06/13/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:17 11.05 1.26 9.34 0.45 425.64 1853.24 5615.62 15:00:08 14.71 2.09 11.55 1.07 132.98 3248.20 2721.73 15:10:01 29.85 1.07 24.65 4.13 35.39 4512.65 5974.47 Average: 18.45 1.47 15.11 1.87 200.99 3187.36 4783.74 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:17 12791320 15483604 488600 2.98 101908 2778120 1019240 5.85 475056 2763212 200 15:00:08 10136604 13835020 2122936 12.97 144428 3661304 2441684 14.02 735704 5106332 22952 15:10:01 10489936 15355348 594024 3.63 177260 4709336 1132688 6.50 1048200 4313712 256 Average: 11139287 14891324 1068520 6.53 141199 3716253 1531204 8.79 752987 4061085 7803 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:17 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 14:50:17 ens3 28.10 21.51 428.56 3.59 0.00 0.00 0.00 0.00 14:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:08 lo 1.35 1.35 0.14 0.14 0.00 0.00 0.00 0.00 15:00:08 ens3 108.09 83.46 642.69 21.70 0.00 0.00 0.00 0.00 15:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1517.54 1517.54 1440.92 1440.92 0.00 0.00 0.00 0.00 15:10:01 ens3 103.45 84.15 442.77 92.81 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 500.48 500.48 474.76 474.76 0.00 0.00 0.00 0.00 Average: ens3 79.19 62.48 503.54 38.93 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-27112) 06/13/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:17 all 1.15 0.00 0.21 0.08 0.02 98.54 14:50:17 0 0.97 0.00 0.19 0.06 0.01 98.76 14:50:17 1 0.73 0.00 0.17 0.09 0.01 99.01 14:50:17 2 2.15 0.00 0.29 0.06 0.03 97.47 14:50:17 3 0.76 0.00 0.18 0.11 0.02 98.93 15:00:08 all 70.53 0.00 2.26 0.05 0.11 27.05 15:00:08 0 68.12 0.00 1.98 0.05 0.11 29.74 15:00:08 1 68.87 0.00 2.33 0.05 0.11 28.63 15:00:08 2 72.36 0.00 2.32 0.06 0.12 25.15 15:00:08 3 72.77 0.00 2.40 0.04 0.11 24.68 15:10:01 all 58.42 0.00 2.37 0.09 0.09 39.03 15:10:01 0 55.33 0.00 2.13 0.05 0.09 42.40 15:10:01 1 60.44 0.00 2.41 0.10 0.09 36.95 15:10:01 2 58.64 0.00 2.56 0.13 0.09 38.58 15:10:01 3 59.27 0.00 2.39 0.07 0.09 38.18 Average: all 42.77 0.00 1.59 0.07 0.07 55.49 Average: 0 40.90 0.00 1.42 0.05 0.07 57.56 Average: 1 42.75 0.00 1.62 0.08 0.07 55.48 Average: 2 43.80 0.00 1.70 0.08 0.08 54.34 Average: 3 43.63 0.00 1.64 0.08 0.07 54.59