---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3878 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 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 642 10325 4 5021 15004 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:d1:2b:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84734sec preferred_lft 84734sec inet6 fe80::f816:3eff:fed1:2b8d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:81:cc:fc:7c:c5 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-3878) 08/10/26 _x86_64_ (4 CPU) 00:27:17 LINUX RESTART (4 CPU) 00:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:02 8.04 1.70 6.13 0.20 118.80 1994.03 177.07 00:50:01 10.81 0.52 9.61 0.68 19.09 1758.22 2846.78 Average: 9.42 1.11 7.87 0.44 68.99 1876.23 1510.72 00:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:02 9282364 12383268 3580116 21.87 114568 3143148 3759268 21.58 495252 6238240 348 00:50:01 9437500 12992924 2967260 18.12 132324 3551868 3170680 18.20 675776 5880948 25364 Average: 9359932 12688096 3273688 19.99 123446 3347508 3464974 19.89 585514 6059594 12856 00:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:02 lo 0.66 0.66 0.38 0.38 0.00 0.00 0.00 0.00 00:40:02 ens3 31.42 24.46 272.41 4.45 0.00 0.00 0.00 0.00 00:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 231.06 231.06 220.18 220.18 0.00 0.00 0.00 0.00 00:50:01 ens3 39.07 26.21 437.35 3.87 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 115.76 115.76 110.18 110.18 0.00 0.00 0.00 0.00 Average: ens3 35.24 25.34 354.81 4.16 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-3878) 08/10/26 _x86_64_ (4 CPU) 00:27:17 LINUX RESTART (4 CPU) 00:30:02 CPU %user %nice %system %iowait %steal %idle 00:40:02 all 50.90 0.00 0.92 0.05 0.09 48.05 00:40:02 0 53.74 0.00 0.84 0.05 0.08 45.29 00:40:02 1 46.76 0.00 0.84 0.09 0.09 52.22 00:40:02 2 50.20 0.00 1.03 0.04 0.09 48.64 00:40:02 3 52.90 0.00 0.95 0.03 0.08 46.04 00:50:01 all 50.68 0.00 1.00 0.03 0.09 48.20 00:50:01 0 71.60 0.00 1.02 0.02 0.10 27.27 00:50:01 1 39.33 0.00 0.95 0.04 0.08 59.60 00:50:01 2 45.02 0.00 0.79 0.03 0.08 54.08 00:50:01 3 46.76 0.00 1.23 0.05 0.09 51.88 Average: all 50.79 0.00 0.96 0.04 0.09 48.13 Average: 0 62.66 0.00 0.93 0.04 0.09 36.29 Average: 1 43.05 0.00 0.90 0.06 0.08 55.90 Average: 2 47.62 0.00 0.91 0.03 0.09 51.35 Average: 3 49.83 0.00 1.09 0.04 0.08 48.96