---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3620 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 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 638 10365 4 4985 15008 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:56:aa:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84832sec preferred_lft 84832sec inet6 fe80::f816:3eff:fe56:aafa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:ce:33:59:dd:99 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-3620) 12/04/25 _x86_64_ (4 CPU) 10:17:04 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:17 19.76 2.50 15.81 1.45 718.95 3860.10 7387.54 10:40:01 30.08 0.93 25.28 3.87 30.22 4707.87 4516.76 Average: 24.78 1.74 20.42 2.63 383.77 4272.67 5990.46 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:17 10294884 13850864 2107796 12.87 136280 3546428 2407952 13.82 756972 4934984 38424 10:40:01 10654272 15398116 552172 3.37 169860 4611964 1100084 6.31 1085136 4144180 256 Average: 10474578 14624490 1329984 8.12 153070 4079196 1754018 10.07 921054 4539582 19340 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:17 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 10:30:17 ens3 108.46 80.56 767.90 19.03 0.00 0.00 0.00 0.00 10:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 1485.85 1485.85 1412.24 1412.24 0.00 0.00 0.00 0.00 10:40:01 ens3 95.48 78.44 423.45 84.69 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 723.76 723.76 687.34 687.34 0.00 0.00 0.00 0.00 Average: ens3 102.14 79.52 600.27 50.99 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-3620) 12/04/25 _x86_64_ (4 CPU) 10:17:04 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:17 all 62.77 0.00 2.04 0.09 0.08 35.02 10:30:17 0 61.73 0.00 1.84 0.10 0.08 36.25 10:30:17 1 63.81 0.00 2.08 0.12 0.08 33.91 10:30:17 2 65.20 0.00 2.39 0.06 0.08 32.27 10:30:17 3 60.34 0.00 1.85 0.09 0.08 37.64 10:40:01 all 61.43 0.00 2.50 0.11 0.09 35.87 10:40:01 0 61.19 0.00 2.61 0.18 0.09 35.93 10:40:01 1 59.18 0.00 2.40 0.11 0.08 38.22 10:40:01 2 63.70 0.00 2.36 0.10 0.09 33.74 10:40:01 3 61.66 0.00 2.62 0.06 0.09 35.57 Average: all 62.12 0.00 2.26 0.10 0.08 35.43 Average: 0 61.47 0.00 2.21 0.14 0.09 36.09 Average: 1 61.56 0.00 2.24 0.11 0.08 36.01 Average: 2 64.47 0.00 2.38 0.08 0.09 32.99 Average: 3 60.98 0.00 2.23 0.07 0.08 36.64