---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25399 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 68G 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 706 10319 4 4962 14939 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:14:13:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84972sec preferred_lft 84972sec inet6 fe80::f816:3eff:fe14:1359/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:22:20:92:bb:5a 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-25399) 01/10/26 _x86_64_ (4 CPU) 17:29:29 LINUX RESTART (4 CPU) 17:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 60.72 4.49 41.48 14.74 854.76 5486.07 258675.54 17:50:01 35.32 0.93 30.22 4.17 30.19 4696.47 3465.08 Average: 48.03 2.71 35.86 9.46 442.84 5091.62 131183.99 17:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 10431740 13908548 2050780 12.53 135052 3471176 2409548 13.83 764920 4799584 15720 17:50:01 10679168 15399144 551660 3.37 168692 4588636 1083992 6.22 1101340 4100368 704 Average: 10555454 14653846 1301220 7.95 151872 4029906 1746770 10.03 933130 4449976 8212 17:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 1.40 1.40 0.16 0.16 0.00 0.00 0.00 0.00 17:40:01 ens3 129.31 100.41 920.91 24.56 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 lo 1514.22 1514.22 1440.02 1440.02 0.00 0.00 0.00 0.00 17:50:01 ens3 96.19 76.16 428.88 76.60 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 757.14 757.14 719.45 719.45 0.00 0.00 0.00 0.00 Average: ens3 112.77 88.29 675.12 50.56 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-25399) 01/10/26 _x86_64_ (4 CPU) 17:29:29 LINUX RESTART (4 CPU) 17:30:00 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 63.63 0.00 2.28 0.31 0.08 33.69 17:40:01 0 65.52 0.00 2.34 0.18 0.08 31.87 17:40:01 1 62.74 0.00 2.29 0.14 0.09 34.74 17:40:01 2 59.79 0.00 2.07 0.14 0.08 37.92 17:40:01 3 66.47 0.00 2.43 0.80 0.08 30.22 17:50:01 all 65.42 0.00 2.64 0.10 0.09 31.75 17:50:01 0 61.31 0.00 2.61 0.14 0.09 35.86 17:50:01 1 67.42 0.00 2.52 0.09 0.09 29.89 17:50:01 2 66.45 0.00 2.76 0.09 0.09 30.61 17:50:01 3 66.50 0.00 2.66 0.10 0.09 30.65 Average: all 64.52 0.00 2.46 0.21 0.09 32.72 Average: 0 63.42 0.00 2.47 0.16 0.09 33.86 Average: 1 65.08 0.00 2.41 0.11 0.09 32.32 Average: 2 63.11 0.00 2.42 0.11 0.08 34.27 Average: 3 66.48 0.00 2.54 0.45 0.09 30.44