---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2402 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: 5600.00 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 678 10340 4 4970 14968 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:bc:49:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83963sec preferred_lft 83963sec inet6 fe80::f816:3eff:febc:49de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:e5:30:71:d4:d7 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-2402) 08/05/26 _x86_64_ (4 CPU) 18:33:05 LINUX RESTART (4 CPU) 18:40:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:44 4.95 1.65 3.26 0.03 112.25 815.88 1.34 19:00:01 11.83 0.35 10.36 1.13 18.87 2643.28 2538.67 19:10:13 44.92 0.93 26.05 17.95 33.12 4281.09 246343.72 Average: 20.92 0.99 13.36 6.56 55.54 2587.65 85886.95 18:40:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:44 11792032 14803156 1160720 7.09 120292 3054692 1633668 9.38 451292 3793544 152988 19:00:01 10216628 13844268 2113344 12.91 145716 3587192 2348532 13.48 632460 5111148 40436 19:10:13 10626016 15355656 594304 3.63 178760 4578364 1105204 6.34 933980 4303428 196 Average: 10878225 14667693 1289456 7.88 148256 3740083 1695801 9.73 672577 4402707 64540 18:40:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:44 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 18:50:44 ens3 65.15 52.82 735.38 7.47 0.00 0.00 0.00 0.00 18:50:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 lo 1.46 1.46 0.14 0.14 0.00 0.00 0.00 0.00 19:00:01 ens3 73.75 56.55 96.92 17.74 0.00 0.00 0.00 0.00 19:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:13 lo 1764.46 1764.46 1676.59 1676.59 0.00 0.00 0.00 0.00 19:10:13 ens3 102.37 83.25 428.71 79.90 0.00 0.00 0.00 0.00 19:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 609.96 609.96 579.15 579.15 0.00 0.00 0.00 0.00 Average: ens3 80.71 64.50 428.61 35.72 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-2402) 08/05/26 _x86_64_ (4 CPU) 18:33:05 LINUX RESTART (4 CPU) 18:40:42 CPU %user %nice %system %iowait %steal %idle 18:50:44 all 4.28 0.00 0.26 0.03 0.03 95.39 18:50:44 0 4.00 0.00 0.27 0.04 0.02 95.68 18:50:44 1 4.34 0.00 0.36 0.01 0.04 95.25 18:50:44 2 4.62 0.00 0.26 0.05 0.06 95.02 18:50:44 3 4.16 0.00 0.17 0.04 0.02 95.61 19:00:01 all 72.85 0.00 2.29 0.03 0.10 24.74 19:00:01 0 74.67 0.00 2.50 0.02 0.10 22.70 19:00:01 1 74.32 0.00 2.40 0.04 0.10 23.14 19:00:01 2 70.66 0.00 2.13 0.03 0.11 27.08 19:00:01 3 71.74 0.00 2.12 0.03 0.10 26.02 19:10:13 all 56.08 0.00 2.45 0.09 0.09 41.30 19:10:13 0 55.31 0.00 2.37 0.08 0.09 42.16 19:10:13 1 55.58 0.00 2.29 0.10 0.09 41.93 19:10:13 2 54.53 0.00 2.38 0.05 0.08 42.95 19:10:13 3 58.88 0.00 2.76 0.11 0.09 38.15 Average: all 43.73 0.00 1.66 0.05 0.07 54.48 Average: 0 43.93 0.00 1.70 0.05 0.07 54.26 Average: 1 44.06 0.00 1.67 0.05 0.08 54.14 Average: 2 42.63 0.00 1.58 0.04 0.08 55.66 Average: 3 44.32 0.00 1.68 0.06 0.07 53.87