---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14313 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 9.6G 68G 13% / 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 658 11327 4 4002 14987 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:3f:48:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84260sec preferred_lft 84260sec inet6 fe80::f816:3eff:fe3f:48a3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:75:66:8d:92:9d 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-14313) 05/14/26 _x86_64_ (4 CPU) 07:29:32 LINUX RESTART (4 CPU) 07:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:01 4.53 0.11 4.13 0.29 4.55 318.29 1055.92 07:50:14 1.34 0.00 1.34 0.00 0.04 15.38 0.18 08:00:06 33.66 4.30 27.90 1.46 262.91 3480.71 868.99 Average: 13.02 1.45 10.99 0.58 87.90 1254.42 636.22 07:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 13662304 15503976 512316 3.13 56628 2011136 1135988 6.52 224560 2217804 212 07:50:14 13663688 15505908 510424 3.12 57056 2011252 1135988 6.52 224984 2218508 24 08:00:06 11506356 14357084 1607348 9.82 113556 2918620 2308204 13.25 451864 4097112 24920 Average: 12944116 15122323 876696 5.35 75747 2313669 1526727 8.76 300469 2844475 8385 07:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 07:40:01 ens3 5.34 2.10 85.46 0.32 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:14 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:14 ens3 0.25 0.08 0.05 0.02 0.00 0.00 0.00 0.00 07:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:06 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 08:00:06 ens3 77.06 60.68 727.71 12.23 0.00 0.00 0.00 0.00 08:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 27.17 20.66 267.47 4.13 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-14313) 05/14/26 _x86_64_ (4 CPU) 07:29:32 LINUX RESTART (4 CPU) 07:30:02 CPU %user %nice %system %iowait %steal %idle 07:40:01 all 0.31 0.00 0.13 0.08 0.02 99.47 07:40:01 0 0.61 0.00 0.08 0.09 0.01 99.21 07:40:01 1 0.16 0.00 0.11 0.07 0.02 99.63 07:40:01 2 0.22 0.00 0.09 0.02 0.02 99.65 07:40:01 3 0.23 0.00 0.23 0.14 0.03 99.37 07:50:14 all 0.12 0.00 0.03 0.08 0.02 99.76 07:50:14 0 0.24 0.00 0.03 0.01 0.01 99.71 07:50:14 1 0.02 0.00 0.02 0.02 0.02 99.92 07:50:14 2 0.04 0.00 0.03 0.02 0.01 99.90 07:50:14 3 0.19 0.00 0.03 0.27 0.02 99.50 08:00:06 all 17.21 0.00 0.77 0.49 0.04 81.49 08:00:06 0 16.26 0.00 0.70 0.61 0.03 82.41 08:00:06 1 20.02 0.00 0.82 0.48 0.04 78.65 08:00:06 2 15.93 0.00 0.89 0.25 0.05 82.89 08:00:06 3 16.62 0.00 0.69 0.62 0.04 82.04 Average: all 5.79 0.00 0.31 0.21 0.02 93.67 Average: 0 5.61 0.00 0.27 0.23 0.02 93.87 Average: 1 6.63 0.00 0.31 0.19 0.02 92.84 Average: 2 5.31 0.00 0.33 0.10 0.02 94.24 Average: 3 5.59 0.00 0.31 0.34 0.03 93.72