---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8196 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 633 10214 4 5141 15013 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:8b:e9:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84857sec preferred_lft 84857sec inet6 fe80::f816:3eff:fe8b:e98c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:ae:73:b5:0a:86 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-8196) 11/12/25 _x86_64_ (4 CPU) 12:06:48 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:01 20.41 0.80 8.21 11.40 680.52 1589.04 255800.53 12:30:01 14.22 0.53 12.61 1.07 19.45 2015.95 7430.63 Average: 17.32 0.66 10.41 6.24 349.99 1802.49 131615.58 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:01 7757916 11090724 4870840 29.75 114332 3383720 4970568 28.53 754200 7507004 92 12:30:01 9213108 13097060 2860452 17.47 137088 3879300 3801224 21.82 943100 5842104 113052 Average: 8485512 12093892 3865646 23.61 125710 3631510 4385896 25.17 848650 6674554 56572 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:01 lo 0.67 0.67 0.39 0.39 0.00 0.00 0.00 0.00 12:20:01 ens3 23.71 17.65 285.80 2.93 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 428.16 428.16 407.30 407.30 0.00 0.00 0.00 0.00 12:30:01 ens3 37.22 28.86 409.79 3.94 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 214.42 214.42 203.85 203.85 0.00 0.00 0.00 0.00 Average: ens3 30.47 23.25 347.80 3.44 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-8196) 11/12/25 _x86_64_ (4 CPU) 12:06:48 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 48.30 0.00 1.02 0.11 0.08 50.50 12:20:01 0 43.32 0.00 1.21 0.11 0.08 55.29 12:20:01 1 56.01 0.00 0.95 0.17 0.08 42.78 12:20:01 2 47.22 0.00 0.98 0.07 0.08 51.65 12:20:01 3 46.64 0.00 0.93 0.08 0.08 52.27 12:30:01 all 50.09 0.00 1.13 0.05 0.07 48.66 12:30:01 0 38.56 0.00 1.07 0.07 0.07 60.23 12:30:01 1 61.38 0.00 1.17 0.04 0.08 37.32 12:30:01 2 47.62 0.00 1.18 0.05 0.07 51.09 12:30:01 3 52.88 0.00 1.09 0.04 0.07 45.92 Average: all 49.19 0.00 1.07 0.08 0.08 49.58 Average: 0 40.93 0.00 1.14 0.09 0.07 57.76 Average: 1 58.70 0.00 1.06 0.11 0.08 40.05 Average: 2 47.42 0.00 1.08 0.06 0.08 51.37 Average: 3 49.76 0.00 1.01 0.06 0.08 49.10