---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26079 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 10G 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 10762 4 4569 14988 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:6d:c4:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83949sec preferred_lft 83949sec inet6 fe80::f816:3eff:fe6d:c4f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:82:3b:59:da:80 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-26079) 06/09/26 _x86_64_ (4 CPU) 03:58:30 LINUX RESTART (4 CPU) 04:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:10:12 4.76 0.56 3.86 0.34 596.65 647.18 15287.66 04:20:01 14.27 0.01 1.26 13.00 0.20 13.98 246601.73 04:30:01 46.02 4.15 40.78 1.09 258.79 4853.34 1349.50 Average: 21.63 1.58 15.31 4.74 288.62 1841.74 86427.29 04:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:10:12 13408876 15514820 499796 3.05 58520 2271532 1158936 6.65 397576 2312700 40 04:20:01 13407044 15518280 496232 3.03 59132 2276184 1158936 6.65 402920 2312616 172 04:30:01 10378056 13934892 2025248 12.37 129432 3558436 2357844 13.53 737892 4875024 39960 Average: 12397992 14989331 1007092 6.15 82361 2702051 1558572 8.95 512796 3166780 13391 04:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:10:12 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 04:10:12 ens3 10.41 4.31 185.42 0.33 0.00 0.00 0.00 0.00 04:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:20:01 ens3 0.53 0.09 0.06 0.02 0.00 0.00 0.00 0.00 04:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:30:01 lo 0.89 0.89 0.09 0.09 0.00 0.00 0.00 0.00 04:30:01 ens3 131.99 100.10 1083.61 20.65 0.00 0.00 0.00 0.00 04:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 47.70 34.86 424.08 7.00 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-26079) 06/09/26 _x86_64_ (4 CPU) 03:58:30 LINUX RESTART (4 CPU) 04:00:01 CPU %user %nice %system %iowait %steal %idle 04:10:12 all 0.46 0.00 0.14 0.09 0.02 99.29 04:10:12 0 0.30 0.00 0.14 0.24 0.01 99.31 04:10:12 1 0.76 0.00 0.18 0.09 0.02 98.95 04:10:12 2 0.52 0.00 0.13 0.03 0.02 99.30 04:10:12 3 0.27 0.00 0.11 0.01 0.01 99.59 04:20:01 all 0.16 0.00 0.04 0.03 0.01 99.76 04:20:01 0 0.09 0.00 0.04 0.02 0.01 99.84 04:20:01 1 0.41 0.00 0.05 0.08 0.01 99.45 04:20:01 2 0.13 0.00 0.04 0.00 0.01 99.81 04:20:01 3 0.02 0.00 0.02 0.00 0.01 99.95 04:30:01 all 40.61 0.00 1.50 0.27 0.08 57.54 04:30:01 0 40.73 0.00 1.77 0.35 0.08 57.07 04:30:01 1 38.33 0.00 1.02 0.14 0.08 60.42 04:30:01 2 43.35 0.00 1.85 0.47 0.09 54.24 04:30:01 3 40.05 0.00 1.34 0.11 0.08 58.42 Average: all 13.73 0.00 0.56 0.13 0.04 85.55 Average: 0 13.68 0.00 0.65 0.21 0.03 85.44 Average: 1 13.14 0.00 0.42 0.10 0.04 86.30 Average: 2 14.66 0.00 0.68 0.16 0.04 84.46 Average: 3 13.43 0.00 0.49 0.04 0.03 86.01