---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32657 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 624 9764 4 5600 15022 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:cf:40:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82393sec preferred_lft 82393sec inet6 fe80::f816:3eff:fecf:4029/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:eb:77:9e:c7:cf 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-32657) 07/03/26 _x86_64_ (4 CPU) 12:42:11 LINUX RESTART (4 CPU) 12:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:16 14.20 0.01 1.34 12.85 0.19 15.59 244919.26 13:10:21 1.23 0.00 1.23 0.00 0.00 13.97 0.00 13:20:22 1.26 0.00 1.26 0.00 0.01 14.21 0.00 13:30:04 1.19 0.00 1.19 0.00 0.00 13.56 0.00 13:40:04 1.28 0.00 1.28 0.00 0.00 14.43 0.00 Average: 3.83 0.00 1.26 2.56 0.04 14.35 48862.85 12:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:16 13778056 15531368 487656 2.98 54356 1926044 1139356 6.54 198672 2166448 24 13:10:21 13774780 15528460 490548 3.00 54724 1926040 1139292 6.54 199036 2166708 12 13:20:22 13771756 15525944 492996 3.01 55096 1926176 1139420 6.54 199408 2170476 140 13:30:04 13771252 15525804 493180 3.01 55456 1926196 1139420 6.54 199760 2170536 192 13:40:04 13770248 15525224 493808 3.02 55864 1926200 1139484 6.54 200176 2170528 204 Average: 13773218 15527360 491638 3.00 55099 1926131 1139394 6.54 199410 2168939 114 12:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:16 ens3 0.44 0.15 0.11 0.06 0.00 0.00 0.00 0.00 13:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:21 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:21 ens3 0.37 0.12 0.08 0.05 0.00 0.00 0.00 0.00 13:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:22 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:22 ens3 0.49 0.35 0.10 0.53 0.00 0.00 0.00 0.00 13:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:04 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 13:30:04 ens3 0.22 0.06 0.04 0.02 0.00 0.00 0.00 0.00 13:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:40:04 ens3 0.31 0.11 0.08 0.04 0.00 0.00 0.00 0.00 13:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.37 0.16 0.08 0.14 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-32657) 07/03/26 _x86_64_ (4 CPU) 12:42:11 LINUX RESTART (4 CPU) 12:50:21 CPU %user %nice %system %iowait %steal %idle 13:00:16 all 0.08 0.00 0.03 0.03 0.01 99.84 13:00:16 0 0.04 0.00 0.03 0.01 0.01 99.92 13:00:16 1 0.20 0.00 0.03 0.03 0.02 99.72 13:00:16 2 0.06 0.00 0.05 0.08 0.01 99.81 13:00:16 3 0.04 0.00 0.03 0.00 0.01 99.92 13:10:21 all 0.04 0.00 0.03 0.01 0.01 99.91 13:10:21 0 0.01 0.00 0.02 0.00 0.00 99.97 13:10:21 1 0.09 0.00 0.03 0.03 0.02 99.82 13:10:21 2 0.01 0.00 0.01 0.01 0.01 99.96 13:10:21 3 0.05 0.00 0.04 0.00 0.01 99.90 13:20:22 all 0.22 0.00 0.02 0.03 0.01 99.72 13:20:22 0 0.01 0.00 0.01 0.00 0.00 99.97 13:20:22 1 0.59 0.00 0.04 0.08 0.03 99.26 13:20:22 2 0.02 0.00 0.02 0.02 0.01 99.94 13:20:22 3 0.26 0.00 0.01 0.00 0.00 99.72 13:30:04 all 0.15 0.00 0.02 0.01 0.01 99.80 13:30:04 0 0.14 0.00 0.01 0.00 0.01 99.84 13:30:04 1 0.17 0.00 0.03 0.01 0.02 99.77 13:30:04 2 0.27 0.00 0.03 0.01 0.01 99.68 13:30:04 3 0.03 0.00 0.02 0.02 0.01 99.92 13:40:04 all 0.18 0.00 0.03 0.01 0.01 99.77 13:40:04 0 0.01 0.00 0.01 0.00 0.00 99.98 13:40:04 1 0.05 0.00 0.04 0.01 0.02 99.88 13:40:04 2 0.64 0.00 0.04 0.00 0.01 99.31 13:40:04 3 0.02 0.00 0.02 0.02 0.01 99.93 Average: all 0.13 0.00 0.03 0.02 0.01 99.81 Average: 0 0.04 0.00 0.02 0.00 0.01 99.94 Average: 1 0.22 0.00 0.04 0.03 0.02 99.69 Average: 2 0.20 0.00 0.03 0.02 0.01 99.74 Average: 3 0.08 0.00 0.02 0.01 0.01 99.88