---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18347 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 67G 15% / 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 709 9666 4 5613 14937 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:e0:0a:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84376sec preferred_lft 84376sec inet6 fe80::f816:3eff:fee0:adb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:d5:c6:11:95:9f 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-18347) 05/22/26 _x86_64_ (4 CPU) 06:26:33 LINUX RESTART (4 CPU) 06:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:00 20.11 2.72 16.16 1.23 150.07 4452.22 2477.87 06:50:13 33.19 0.04 29.58 3.57 1.28 3148.43 15660.54 07:00:13 20.34 0.32 17.12 2.89 14.55 5617.47 2868.80 Average: 24.64 1.01 21.05 2.58 54.36 4396.63 7091.19 06:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:00 9811656 13490712 2466384 15.06 152368 3618064 3006588 17.26 691284 5441932 14248 06:50:13 8805308 13051960 2900796 17.72 184468 4106600 3152168 18.09 848320 6241480 20920 07:00:13 9906472 15297396 649408 3.97 207208 5161764 1193212 6.85 952648 4971088 11336 Average: 9507812 13946689 2005529 12.25 181348 4295476 2450656 14.07 830751 5551500 15501 06:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:00 lo 493.58 493.58 470.18 470.18 0.00 0.00 0.00 0.00 06:40:00 ens3 106.44 82.32 840.91 16.61 0.00 0.00 0.00 0.00 06:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:13 lo 1677.41 1677.41 1598.92 1598.92 0.00 0.00 0.00 0.00 06:50:13 ens3 46.39 36.09 116.19 11.78 0.00 0.00 0.00 0.00 06:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:13 lo 11.83 11.83 1.23 1.23 0.00 0.00 0.00 0.00 07:00:13 ens3 79.83 78.21 122.96 230.24 0.00 0.00 0.00 0.00 07:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 735.85 735.85 697.97 697.97 0.00 0.00 0.00 0.00 Average: ens3 77.16 65.23 355.50 86.07 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-18347) 05/22/26 _x86_64_ (4 CPU) 06:26:33 LINUX RESTART (4 CPU) 06:30:11 CPU %user %nice %system %iowait %steal %idle 06:40:00 all 51.75 0.00 1.70 0.09 0.10 46.37 06:40:00 0 50.46 0.00 1.47 0.04 0.10 47.93 06:40:00 1 50.73 0.00 1.54 0.10 0.11 47.52 06:40:00 2 51.97 0.00 1.88 0.15 0.10 45.91 06:40:00 3 53.83 0.00 1.90 0.06 0.11 44.10 06:50:13 all 61.43 0.00 2.63 0.14 0.13 35.67 06:50:13 0 61.35 0.00 2.67 0.07 0.13 35.78 06:50:13 1 59.94 0.00 2.59 0.27 0.14 37.06 06:50:13 2 61.51 0.00 2.78 0.13 0.14 35.44 06:50:13 3 62.94 0.00 2.45 0.08 0.13 34.40 07:00:13 all 43.35 0.00 1.54 0.10 0.09 54.92 07:00:13 0 45.27 0.00 1.62 0.06 0.08 52.97 07:00:13 1 43.61 0.00 1.88 0.10 0.09 54.33 07:00:13 2 42.28 0.00 1.25 0.19 0.09 56.18 07:00:13 3 42.24 0.00 1.43 0.04 0.09 56.20 Average: all 52.24 0.00 1.96 0.11 0.11 45.58 Average: 0 52.42 0.00 1.93 0.06 0.11 45.49 Average: 1 51.48 0.00 2.01 0.16 0.11 46.24 Average: 2 51.99 0.00 1.98 0.16 0.11 45.77 Average: 3 53.06 0.00 1.93 0.06 0.11 44.84