---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31429 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 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 635 10297 4 5056 15011 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:c6:d2:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84697sec preferred_lft 84697sec inet6 fe80::f816:3eff:fec6:d204/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:a9:06:0b:18:67 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-31429) 06/29/26 _x86_64_ (4 CPU) 00:25:20 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:09 11.86 1.70 9.47 0.69 120.61 2368.55 417.75 00:50:09 20.07 0.53 17.97 1.57 19.56 2614.43 12611.95 Average: 15.94 1.12 13.69 1.13 70.42 2490.66 6473.82 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:09 9567860 12732224 3230052 19.73 118588 3201572 3423220 19.65 523400 5905348 496 00:50:09 9698764 13640620 2317084 14.15 140108 3915840 2540544 14.58 736428 5519156 271580 Average: 9633312 13186422 2773568 16.94 129348 3558706 2981882 17.12 629914 5712252 136038 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:09 lo 0.67 0.67 0.38 0.38 0.00 0.00 0.00 0.00 00:40:09 ens3 37.25 29.62 281.90 4.67 0.00 0.00 0.00 0.00 00:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:09 lo 542.35 542.35 516.50 516.50 0.00 0.00 0.00 0.00 00:50:09 ens3 59.98 41.16 527.99 7.28 0.00 0.00 0.00 0.00 00:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 269.68 269.68 256.70 256.70 0.00 0.00 0.00 0.00 Average: ens3 48.54 35.35 404.11 5.97 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-31429) 06/29/26 _x86_64_ (4 CPU) 00:25:20 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:09 all 49.71 0.00 0.95 0.07 0.08 49.18 00:40:09 0 46.06 0.00 0.90 0.09 0.09 52.86 00:40:09 1 61.03 0.00 0.97 0.05 0.09 37.87 00:40:09 2 45.13 0.00 0.96 0.07 0.08 53.76 00:40:09 3 46.64 0.00 0.98 0.08 0.08 52.23 00:50:09 all 55.79 0.00 1.43 0.07 0.09 42.62 00:50:09 0 51.71 0.00 1.17 0.03 0.09 47.01 00:50:09 1 49.13 0.00 1.24 0.17 0.09 49.37 00:50:09 2 60.80 0.00 1.74 0.05 0.09 37.32 00:50:09 3 61.52 0.00 1.59 0.04 0.09 36.76 Average: all 52.73 0.00 1.19 0.07 0.09 45.92 Average: 0 48.87 0.00 1.03 0.06 0.09 49.96 Average: 1 55.11 0.00 1.11 0.11 0.09 43.58 Average: 2 52.91 0.00 1.35 0.06 0.08 45.59 Average: 3 54.03 0.00 1.28 0.06 0.09 44.55