---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36122 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 668 10447 4 4874 14978 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:41:a1:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83527sec preferred_lft 83527sec inet6 fe80::f816:3eff:fe41:a1bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:4c:a5:d4:3a:ac 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-36122) 08/12/26 _x86_64_ (4 CPU) 06:57:04 LINUX RESTART (4 CPU) 07:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:03 1.86 0.03 1.82 0.01 0.80 36.30 0.74 07:20:01 1.60 0.01 1.59 0.00 0.05 35.27 0.00 07:30:01 13.44 1.97 10.55 0.92 129.90 2961.11 2071.58 07:40:03 28.38 0.81 23.34 4.23 24.65 4208.06 3814.33 Average: 11.33 0.71 9.33 1.29 38.84 1811.24 1472.69 07:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:03 13025040 15519672 455692 2.78 98048 2585772 988944 5.68 338196 2690284 244 07:20:01 13016700 15513908 461012 2.82 99944 2586128 989700 5.68 340108 2699916 340 07:30:01 10434304 13853532 2106252 12.86 135736 3399816 2430852 13.95 567236 4984168 18188 07:40:03 10784056 15414296 537244 3.28 176304 4482008 1058144 6.07 902500 4179412 100304 Average: 11815025 15075352 890050 5.44 127508 3263431 1366910 7.85 537010 3638445 29769 07:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 07:10:03 ens3 7.36 6.04 80.70 0.92 0.00 0.00 0.00 0.00 07:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:20:01 ens3 9.98 8.22 117.98 1.17 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 07:30:01 ens3 105.59 81.18 601.87 19.25 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:03 lo 1732.95 1732.95 1652.13 1652.13 0.00 0.00 0.00 0.00 07:40:03 ens3 83.47 65.53 450.98 17.36 0.00 0.00 0.00 0.00 07:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 434.16 434.16 413.60 413.60 0.00 0.00 0.00 0.00 Average: ens3 51.61 40.25 312.92 9.68 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-36122) 08/12/26 _x86_64_ (4 CPU) 06:57:04 LINUX RESTART (4 CPU) 07:00:01 CPU %user %nice %system %iowait %steal %idle 07:10:03 all 0.16 0.00 0.05 0.01 0.01 99.77 07:10:03 0 0.13 0.00 0.06 0.01 0.01 99.79 07:10:03 1 0.09 0.00 0.05 0.03 0.01 99.82 07:10:03 2 0.07 0.00 0.05 0.00 0.02 99.86 07:10:03 3 0.37 0.00 0.03 0.00 0.01 99.59 07:20:01 all 0.13 0.00 0.04 0.01 0.02 99.80 07:20:01 0 0.29 0.00 0.08 0.03 0.01 99.59 07:20:01 1 0.03 0.00 0.03 0.00 0.02 99.92 07:20:01 2 0.13 0.00 0.02 0.00 0.02 99.83 07:20:01 3 0.08 0.00 0.04 0.00 0.02 99.86 07:30:01 all 60.83 0.00 2.04 0.05 0.10 36.98 07:30:01 0 61.94 0.00 2.03 0.04 0.10 35.89 07:30:01 1 60.97 0.00 1.82 0.03 0.10 37.07 07:30:01 2 58.60 0.00 2.31 0.11 0.11 38.87 07:30:01 3 61.79 0.00 1.99 0.03 0.10 36.10 07:40:03 all 68.84 0.00 2.84 0.05 0.13 28.14 07:40:03 0 66.22 0.00 3.12 0.06 0.12 30.47 07:40:03 1 69.02 0.00 2.59 0.05 0.13 28.22 07:40:03 2 71.44 0.00 2.77 0.04 0.12 25.63 07:40:03 3 68.68 0.00 2.89 0.06 0.13 28.24 Average: all 32.49 0.00 1.24 0.03 0.06 66.17 Average: 0 32.16 0.00 1.32 0.03 0.06 66.42 Average: 1 32.52 0.00 1.12 0.03 0.06 66.27 Average: 2 32.60 0.00 1.29 0.04 0.07 66.00 Average: 3 32.70 0.00 1.24 0.02 0.06 65.98