---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2561 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 13G 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 681 8633 4 6674 14964 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:04:25:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84132sec preferred_lft 84132sec inet6 fe80::f816:3eff:fe04:251c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:da:de:96:6c:c0 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2561) 08/06/26 _x86_64_ (4 CPU) 05:23:54 LINUX RESTART (4 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:10 22.62 0.07 19.85 2.71 6.83 2172.75 7001.80 05:50:10 31.75 0.02 28.47 3.27 0.51 2577.77 12122.53 06:00:10 12.14 0.17 10.76 1.22 10.48 7526.93 1252.88 Average: 22.17 0.08 19.69 2.40 5.94 4092.48 6792.40 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:10 9045600 12942760 3013548 18.41 145672 3856548 3156756 18.12 713064 6209076 24308 05:50:10 8603016 13108336 2844652 17.37 164760 4411772 2953304 16.95 833388 6498936 185608 06:00:10 8884756 15358772 587308 3.59 182428 6297932 1118628 6.42 1578532 5373884 152 Average: 8844457 13803289 2148503 13.12 164287 4855417 2409563 13.83 1041661 6027299 70023 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:10 lo 1376.94 1376.94 1306.29 1306.29 0.00 0.00 0.00 0.00 05:40:10 ens3 52.70 41.30 52.54 13.06 0.00 0.00 0.00 0.00 05:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:10 lo 1493.97 1493.97 1423.51 1423.51 0.00 0.00 0.00 0.00 05:50:10 ens3 45.07 34.98 40.48 11.98 0.00 0.00 0.00 0.00 05:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:10 lo 368.03 368.03 6845.28 6845.28 0.00 0.00 0.00 0.00 06:00:10 ens3 66.78 77.43 113.59 955.85 0.00 0.00 0.00 0.00 06:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1079.65 1079.65 3191.70 3191.70 0.00 0.00 0.00 0.00 Average: ens3 54.85 51.24 68.87 326.96 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2561) 08/06/26 _x86_64_ (4 CPU) 05:23:54 LINUX RESTART (4 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:10 all 63.01 0.00 2.30 0.05 0.11 34.53 05:40:10 0 63.18 0.00 2.38 0.04 0.11 34.29 05:40:10 1 62.83 0.00 2.13 0.04 0.11 34.88 05:40:10 2 62.92 0.00 2.25 0.09 0.12 34.62 05:40:10 3 63.11 0.00 2.44 0.02 0.12 34.32 05:50:10 all 62.66 0.00 2.63 0.39 0.12 34.19 05:50:10 0 62.04 0.00 2.56 0.09 0.12 35.18 05:50:10 1 63.90 0.00 2.81 0.83 0.12 32.34 05:50:10 2 61.91 0.00 2.56 0.07 0.12 35.33 05:50:10 3 62.80 0.00 2.60 0.55 0.12 33.92 06:00:10 all 29.19 0.00 1.11 0.11 0.08 69.51 06:00:10 0 27.91 0.00 0.98 0.09 0.07 70.95 06:00:10 1 25.15 0.00 1.23 0.17 0.09 73.36 06:00:10 2 26.25 0.00 1.06 0.10 0.08 72.52 06:00:10 3 37.47 0.00 1.16 0.07 0.09 61.22 Average: all 51.61 0.00 2.01 0.18 0.11 46.09 Average: 0 51.02 0.00 1.97 0.08 0.10 46.83 Average: 1 50.62 0.00 2.06 0.35 0.11 46.87 Average: 2 50.35 0.00 1.96 0.09 0.11 47.50 Average: 3 54.45 0.00 2.07 0.21 0.11 43.17