---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2443 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 641 10325 4 5022 15004 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:cc:dc:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84712sec preferred_lft 84712sec inet6 fe80::f816:3eff:fecc:dc1e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:5d:0a:53:dd:b5 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-2443) 08/06/26 _x86_64_ (4 CPU) 00:27:13 LINUX RESTART (4 CPU) 00:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:04 8.76 2.09 6.45 0.22 130.96 2021.38 148.79 00:50:05 11.08 0.52 9.90 0.67 19.22 1738.28 3684.38 Average: 9.92 1.30 8.18 0.44 74.98 1879.56 1920.01 00:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:04 9439396 12541312 3421548 20.90 114772 3144016 3590536 20.61 495148 6089228 1036 00:50:05 9437108 12993832 2965472 18.11 132444 3553224 3108184 17.84 677260 5865344 29736 Average: 9438252 12767572 3193510 19.50 123608 3348620 3349360 19.23 586204 5977286 15386 00:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:04 lo 0.67 0.67 0.38 0.38 0.00 0.00 0.00 0.00 00:40:04 ens3 47.29 37.79 510.09 6.40 0.00 0.00 0.00 0.00 00:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:05 lo 193.78 193.78 184.48 184.48 0.00 0.00 0.00 0.00 00:50:05 ens3 43.56 29.74 436.37 4.62 0.00 0.00 0.00 0.00 00:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 97.41 97.41 92.61 92.61 0.00 0.00 0.00 0.00 Average: ens3 45.42 33.76 473.16 5.51 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-2443) 08/06/26 _x86_64_ (4 CPU) 00:27:13 LINUX RESTART (4 CPU) 00:30:04 CPU %user %nice %system %iowait %steal %idle 00:40:04 all 50.54 0.00 0.92 0.04 0.08 48.42 00:40:04 0 53.72 0.00 0.82 0.02 0.08 45.37 00:40:04 1 49.62 0.00 0.84 0.03 0.08 49.44 00:40:04 2 42.46 0.00 1.03 0.07 0.08 56.36 00:40:04 3 56.37 0.00 0.99 0.06 0.08 42.49 00:50:05 all 49.11 0.00 0.99 0.03 0.09 49.78 00:50:05 0 38.76 0.00 1.04 0.04 0.08 60.08 00:50:05 1 49.67 0.00 1.07 0.05 0.10 49.11 00:50:05 2 37.93 0.00 0.92 0.02 0.09 61.04 00:50:05 3 70.07 0.00 0.93 0.02 0.09 28.89 Average: all 49.83 0.00 0.96 0.04 0.08 49.10 Average: 0 46.22 0.00 0.93 0.03 0.08 52.74 Average: 1 49.64 0.00 0.96 0.04 0.09 49.28 Average: 2 40.19 0.00 0.97 0.04 0.09 58.71 Average: 3 63.24 0.00 0.96 0.04 0.08 35.68