---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34052 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 699 10410 4 4878 14946 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:16:2a:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84310sec preferred_lft 84310sec inet6 fe80::f816:3eff:fe16:2a8d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:7a:0e:fc:0e:81 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-34052) 08/10/26 _x86_64_ (4 CPU) 21:45:18 LINUX RESTART (4 CPU) 21:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:00:07 9.72 1.88 7.41 0.42 122.68 2158.04 650.77 22:10:08 9.61 0.48 8.11 1.02 18.85 1836.20 2942.95 22:20:01 30.80 0.62 25.27 4.91 25.42 3808.68 9558.97 Average: 16.62 1.00 13.52 2.10 55.99 2594.25 4349.94 21:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:00:07 11065224 14261460 1700592 10.39 123912 3211504 2057396 11.81 518168 4428004 25960 22:10:08 9697832 13428184 2528488 15.44 151380 3663372 2831452 16.25 660384 5586712 23420 22:20:01 10750424 15392216 558576 3.41 179576 4490272 1051812 6.04 922648 4184396 10344 Average: 10504493 14360620 1595885 9.75 151623 3788383 1980220 11.37 700400 4733037 19908 21:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:00:07 lo 0.61 0.61 0.06 0.06 0.00 0.00 0.00 0.00 22:00:07 ens3 73.86 58.86 696.01 11.77 0.00 0.00 0.00 0.00 22:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:08 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 22:10:08 ens3 51.21 40.75 49.12 15.19 0.00 0.00 0.00 0.00 22:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 1823.06 1823.06 1725.46 1725.46 0.00 0.00 0.00 0.00 22:20:01 ens3 124.24 106.16 451.00 191.01 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 601.10 601.10 568.36 568.36 0.00 0.00 0.00 0.00 Average: ens3 82.89 68.39 399.37 71.94 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-34052) 08/10/26 _x86_64_ (4 CPU) 21:45:18 LINUX RESTART (4 CPU) 21:50:01 CPU %user %nice %system %iowait %steal %idle 22:00:07 all 33.89 0.00 1.16 0.05 0.08 64.81 22:00:07 0 33.77 0.00 1.31 0.07 0.07 64.78 22:00:07 1 35.07 0.00 1.16 0.02 0.09 63.65 22:00:07 2 32.97 0.00 1.03 0.07 0.08 65.85 22:00:07 3 33.75 0.00 1.15 0.04 0.08 64.97 22:10:08 all 69.04 0.00 2.29 0.42 0.20 28.05 22:10:08 0 71.08 0.00 2.58 0.91 0.19 25.24 22:10:08 1 70.95 0.00 2.30 0.31 0.22 26.22 22:10:08 2 66.59 0.00 2.02 0.41 0.22 30.76 22:10:08 3 67.55 0.00 2.25 0.03 0.19 29.98 22:20:01 all 40.80 0.00 2.18 0.10 0.09 56.82 22:20:01 0 40.14 0.00 2.34 0.08 0.10 57.34 22:20:01 1 41.68 0.00 1.95 0.08 0.10 56.20 22:20:01 2 41.63 0.00 2.06 0.15 0.09 56.07 22:20:01 3 39.76 0.00 2.37 0.09 0.09 57.68 Average: all 47.88 0.00 1.87 0.19 0.13 49.93 Average: 0 48.30 0.00 2.07 0.35 0.12 49.15 Average: 1 49.23 0.00 1.80 0.13 0.14 48.70 Average: 2 47.02 0.00 1.70 0.21 0.13 50.94 Average: 3 46.99 0.00 1.92 0.05 0.12 50.92