---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41423 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 691 8564 4 6733 14954 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:2d:83:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83861sec preferred_lft 83861sec inet6 fe80::f816:3eff:fe2d:8392/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:72:35:45:ec:91 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-41423) 08/27/26 _x86_64_ (4 CPU) 08:37:17 LINUX RESTART (4 CPU) 08:40:45 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:30 28.25 3.06 22.50 2.70 166.49 4102.93 5753.88 09:00:30 26.06 0.02 23.26 2.79 0.40 2227.12 8682.40 09:10:20 16.58 0.03 15.13 1.42 0.66 3471.74 4996.92 Average: 23.63 1.02 20.30 2.30 55.22 3259.13 6491.75 08:40:45 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:30 9560216 13154940 2802256 17.12 140988 3574820 2890672 16.59 667340 5738680 18228 09:00:30 8816412 12819424 3134744 19.15 160804 3928544 3062640 17.58 778568 6324544 18932 09:10:20 5387440 10234376 5716912 34.92 168740 4733148 5456804 31.32 1024504 9482924 148 Average: 7921356 12069580 3884637 23.73 156844 4078837 3803372 21.83 823471 7182049 12436 08:40:45 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:30 lo 1513.65 1513.65 1436.85 1436.85 0.00 0.00 0.00 0.00 08:50:30 ens3 126.67 105.82 1089.07 21.83 0.00 0.00 0.00 0.00 08:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:30 lo 1099.04 1099.04 1046.76 1046.76 0.00 0.00 0.00 0.00 09:00:30 ens3 31.73 24.17 23.08 10.93 0.00 0.00 0.00 0.00 09:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:20 lo 579.49 579.49 2838.55 2838.55 0.00 0.00 0.00 0.00 09:10:20 ens3 15.71 12.71 14.33 5.01 0.00 0.00 0.00 0.00 09:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1062.87 1062.87 1771.19 1771.19 0.00 0.00 0.00 0.00 Average: ens3 57.69 47.26 371.42 12.55 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-41423) 08/27/26 _x86_64_ (4 CPU) 08:37:17 LINUX RESTART (4 CPU) 08:40:45 CPU %user %nice %system %iowait %steal %idle 08:50:30 all 52.41 0.00 2.46 0.15 0.03 44.95 08:50:30 0 51.56 0.00 2.28 0.08 0.03 46.05 08:50:30 1 52.05 0.00 2.70 0.28 0.03 44.93 08:50:30 2 53.71 0.00 2.64 0.18 0.03 43.44 08:50:30 3 52.32 0.00 2.23 0.07 0.03 45.36 09:00:30 all 60.96 0.00 2.49 0.10 0.03 36.42 09:00:30 0 60.70 0.00 2.46 0.09 0.03 36.71 09:00:30 1 59.89 0.00 2.46 0.11 0.03 37.51 09:00:30 2 61.56 0.00 2.52 0.09 0.04 35.80 09:00:30 3 61.71 0.00 2.52 0.10 0.03 35.64 09:10:20 all 34.91 0.00 1.54 0.18 0.03 63.34 09:10:20 0 37.26 0.00 1.51 0.07 0.04 61.12 09:10:20 1 33.20 0.00 1.37 0.06 0.03 65.33 09:10:20 2 34.06 0.00 1.48 0.21 0.03 64.23 09:10:20 3 35.10 0.00 1.80 0.37 0.03 62.70 Average: all 49.48 0.00 2.16 0.14 0.03 48.18 Average: 0 49.90 0.00 2.09 0.08 0.03 47.91 Average: 1 48.43 0.00 2.18 0.15 0.03 49.21 Average: 2 49.83 0.00 2.21 0.16 0.03 47.77 Average: 3 49.77 0.00 2.18 0.18 0.03 47.84