---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1151 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 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 668 10501 4 4819 14978 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:3b:e0:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84099sec preferred_lft 84099sec inet6 fe80::f816:3eff:fe3b:e0ef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:76:2e:03:26:2c 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-1151) 08/01/26 _x86_64_ (4 CPU) 08:25:46 LINUX RESTART (4 CPU) 08:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:07 7.50 1.94 5.38 0.18 125.20 1438.54 143.12 08:50:12 10.91 0.49 9.35 1.07 18.89 2181.18 2522.03 09:00:02 29.02 0.59 24.09 4.34 22.74 3968.55 5185.14 Average: 15.74 1.01 12.89 1.85 55.48 2523.30 2608.94 08:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:07 11503664 14467456 1495984 9.14 115716 3006588 1895432 10.88 475232 4049960 47380 08:50:12 10081344 13674504 2282768 13.94 145408 3543692 2522800 14.48 639836 5240064 29744 09:00:02 10816188 15391896 558984 3.41 171880 4434040 1085208 6.23 898260 4150720 256 Average: 10800399 14511285 1445912 8.83 144335 3661440 1834480 10.53 671109 4480248 25793 08:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:07 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 08:40:07 ens3 68.87 56.63 711.10 8.32 0.00 0.00 0.00 0.00 08:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:12 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 08:50:12 ens3 61.63 48.03 100.61 15.99 0.00 0.00 0.00 0.00 08:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:02 lo 1682.42 1682.42 1597.36 1597.36 0.00 0.00 0.00 0.00 09:00:02 ens3 84.60 73.09 411.67 81.74 0.00 0.00 0.00 0.00 09:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 554.90 554.90 526.35 526.35 0.00 0.00 0.00 0.00 Average: ens3 71.61 59.14 405.97 35.11 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-1151) 08/01/26 _x86_64_ (4 CPU) 08:25:46 LINUX RESTART (4 CPU) 08:30:12 CPU %user %nice %system %iowait %steal %idle 08:40:07 all 13.90 0.00 0.49 0.04 0.04 85.54 08:40:07 0 14.06 0.00 0.44 0.02 0.04 85.44 08:40:07 1 13.65 0.00 0.52 0.06 0.04 85.73 08:40:07 2 14.55 0.00 0.44 0.01 0.03 84.97 08:40:07 3 13.34 0.00 0.56 0.06 0.04 86.00 08:50:12 all 72.71 0.00 2.39 0.03 0.09 24.78 08:50:12 0 74.67 0.00 2.44 0.05 0.09 22.76 08:50:12 1 69.23 0.00 2.13 0.03 0.09 28.52 08:50:12 2 73.36 0.00 2.73 0.03 0.09 23.78 08:50:12 3 73.57 0.00 2.27 0.02 0.09 24.05 09:00:02 all 48.74 0.00 2.26 0.09 0.08 48.84 09:00:02 0 51.65 0.00 2.25 0.08 0.08 45.94 09:00:02 1 45.68 0.00 2.23 0.07 0.07 51.94 09:00:02 2 47.90 0.00 2.57 0.13 0.07 49.32 09:00:02 3 49.71 0.00 2.00 0.09 0.07 48.12 Average: all 45.26 0.00 1.72 0.05 0.07 52.91 Average: 0 46.94 0.00 1.71 0.05 0.07 51.23 Average: 1 42.99 0.00 1.63 0.05 0.07 55.26 Average: 2 45.41 0.00 1.92 0.06 0.07 52.55 Average: 3 45.68 0.00 1.61 0.06 0.07 52.58