---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32813 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 12G 66G 16% / 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 648 8904 4 6435 14998 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:b7:d4:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84013sec preferred_lft 84013sec inet6 fe80::f816:3eff:feb7:d44f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:77:a5:9f:78:5b 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-32813) 07/04/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 29.64 2.99 23.81 2.83 162.89 3804.70 4435.54 05:50:00 29.73 0.01 26.73 2.99 0.20 2404.39 32274.76 06:00:08 20.33 0.31 17.85 2.17 11.72 8220.21 44889.06 Average: 26.53 1.10 22.77 2.66 57.71 4828.73 27357.05 05:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9656228 13271384 2687380 16.41 135396 3600756 2842088 16.31 664480 5670908 120068 05:50:00 8537224 12671360 3283296 20.05 156524 4059784 3326760 19.10 798960 6603764 217072 06:00:08 9132184 15361664 585916 3.58 177052 6065744 1113564 6.39 1560024 5140456 616 Average: 9108545 13768136 2185531 13.35 156324 4575428 2427471 13.93 1007821 5805043 112585 05:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1555.19 1555.19 1476.27 1476.27 0.00 0.00 0.00 0.00 05:40:01 ens3 125.36 96.19 948.21 19.62 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:00 lo 1246.43 1246.43 1187.52 1187.52 0.00 0.00 0.00 0.00 05:50:00 ens3 39.00 31.78 26.03 10.47 0.00 0.00 0.00 0.00 05:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:08 lo 649.80 649.80 7041.14 7041.14 0.00 0.00 0.00 0.00 06:00:08 ens3 54.17 53.19 117.53 366.76 0.00 0.00 0.00 0.00 06:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1146.83 1146.83 3258.28 3258.28 0.00 0.00 0.00 0.00 Average: ens3 72.58 60.23 360.84 133.73 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-32813) 07/04/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:08 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 56.75 0.00 2.29 0.07 0.08 40.80 05:40:01 0 56.29 0.00 2.35 0.05 0.08 41.23 05:40:01 1 58.56 0.00 2.01 0.07 0.08 39.28 05:40:01 2 57.50 0.00 2.43 0.07 0.08 39.91 05:40:01 3 54.66 0.00 2.36 0.11 0.08 42.79 05:50:00 all 66.24 0.00 2.35 0.06 0.09 31.26 05:50:00 0 67.14 0.00 2.76 0.07 0.09 29.94 05:50:00 1 65.95 0.00 2.28 0.04 0.09 31.65 05:50:00 2 66.58 0.00 2.28 0.10 0.09 30.96 05:50:00 3 65.29 0.00 2.09 0.05 0.09 32.49 06:00:08 all 39.63 0.00 1.52 0.14 0.07 58.64 06:00:08 0 42.06 0.00 1.74 0.12 0.07 56.00 06:00:08 1 43.08 0.00 1.77 0.14 0.08 54.94 06:00:08 2 33.83 0.00 1.14 0.23 0.07 64.73 06:00:08 3 39.55 0.00 1.43 0.06 0.07 58.89 Average: all 54.12 0.00 2.05 0.09 0.08 43.66 Average: 0 55.10 0.00 2.28 0.08 0.08 42.46 Average: 1 55.79 0.00 2.02 0.08 0.08 42.03 Average: 2 52.50 0.00 1.94 0.13 0.08 45.34 Average: 3 53.09 0.00 1.96 0.07 0.08 44.80