---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16338 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: 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 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 691 9675 4 5622 14955 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:2e:61:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83814sec preferred_lft 83814sec inet6 fe80::f816:3eff:fe2e:61fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:60:90:63:b2:b4 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-16338) 05/18/26 _x86_64_ (4 CPU) 12:22:25 LINUX RESTART (4 CPU) 12:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:25 39.59 4.52 34.35 0.73 262.96 3806.39 899.08 12:50:08 28.57 0.16 25.53 2.88 6.32 3855.11 15352.63 13:00:01 42.19 0.05 25.51 16.63 1.72 5983.26 249588.98 Average: 36.87 1.63 28.58 6.66 93.71 4538.92 87467.38 12:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:25 10952212 14011096 1952112 11.92 122124 3090508 2323800 13.34 480508 4575016 180492 12:50:08 9127248 13039120 2916672 17.81 159084 3833436 3166084 18.17 747004 6072120 177464 13:00:01 7747300 12899760 3049836 18.63 187128 4981052 3251256 18.66 1031264 7086964 22236 Average: 9275587 13316659 2639540 16.12 156112 3968332 2913713 16.72 752925 5911367 126731 12:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:25 lo 102.75 102.75 97.39 97.39 0.00 0.00 0.00 0.00 12:40:25 ens3 93.69 69.88 947.15 13.95 0.00 0.00 0.00 0.00 12:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:08 lo 1345.68 1345.68 1283.06 1283.06 0.00 0.00 0.00 0.00 12:50:08 ens3 51.62 40.62 101.08 13.63 0.00 0.00 0.00 0.00 12:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 775.86 775.86 738.39 738.39 0.00 0.00 0.00 0.00 13:00:01 ens3 63.33 45.53 237.80 13.13 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 727.47 727.47 692.97 692.97 0.00 0.00 0.00 0.00 Average: ens3 70.05 52.37 439.20 13.58 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-16338) 05/18/26 _x86_64_ (4 CPU) 12:22:25 LINUX RESTART (4 CPU) 12:30:01 CPU %user %nice %system %iowait %steal %idle 12:40:25 all 17.05 0.00 0.80 0.26 0.04 81.85 12:40:25 0 16.73 0.00 0.81 0.46 0.05 81.96 12:40:25 1 19.93 0.00 1.02 0.31 0.05 78.69 12:40:25 2 15.56 0.00 0.74 0.26 0.04 83.40 12:40:25 3 15.98 0.00 0.63 0.03 0.04 83.32 12:50:08 all 66.12 0.00 2.47 0.06 0.11 31.24 12:50:08 0 67.44 0.00 2.18 0.05 0.11 30.22 12:50:08 1 67.00 0.00 2.81 0.07 0.11 30.01 12:50:08 2 66.22 0.00 2.63 0.10 0.11 30.95 12:50:08 3 63.82 0.00 2.25 0.05 0.11 33.77 13:00:01 all 59.19 0.00 2.22 0.20 0.12 38.28 13:00:01 0 58.47 0.00 2.30 0.14 0.12 38.98 13:00:01 1 60.92 0.00 2.28 0.35 0.13 36.33 13:00:01 2 59.06 0.00 2.11 0.16 0.12 38.55 13:00:01 3 58.30 0.00 2.18 0.14 0.12 39.26 Average: all 46.83 0.00 1.81 0.18 0.09 51.10 Average: 0 46.91 0.00 1.74 0.22 0.09 51.04 Average: 1 48.69 0.00 2.02 0.24 0.09 48.96 Average: 2 46.30 0.00 1.80 0.17 0.09 51.63 Average: 3 45.40 0.00 1.67 0.07 0.09 52.77