---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5976 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: 5599.86 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 660 10451 4 4877 14986 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:57:d7:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84452sec preferred_lft 84452sec inet6 fe80::f816:3eff:fe57:d776/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:6e:c4:d8:10:66 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-5976) 08/10/26 _x86_64_ (4 CPU) 09:16:43 LINUX RESTART (4 CPU) 09:20:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:21 9.19 1.90 6.84 0.45 123.72 2234.73 1045.87 09:40:21 9.98 0.53 8.44 1.01 20.72 1926.99 2819.12 Average: 9.58 1.21 7.64 0.73 72.22 2080.86 1932.49 09:20:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:21 9998836 13215228 2746584 16.78 126196 3226052 3122632 17.92 525960 5471768 27760 09:40:21 9267448 13392392 2561824 15.65 158576 4023524 2815136 16.16 712580 5921128 358960 Average: 9633142 13303810 2654204 16.21 142386 3624788 2968884 17.04 619270 5696448 193360 09:20:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:21 lo 0.64 0.64 0.06 0.06 0.00 0.00 0.00 0.00 09:30:21 ens3 75.49 62.80 707.68 12.53 0.00 0.00 0.00 0.00 09:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:21 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 09:40:21 ens3 78.92 59.56 325.30 17.67 0.00 0.00 0.00 0.00 09:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 77.20 61.18 516.49 15.10 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-5976) 08/10/26 _x86_64_ (4 CPU) 09:16:43 LINUX RESTART (4 CPU) 09:20:21 CPU %user %nice %system %iowait %steal %idle 09:30:21 all 36.26 0.00 1.36 0.04 0.07 62.28 09:30:21 0 35.05 0.00 1.12 0.01 0.07 63.75 09:30:21 1 35.71 0.00 1.48 0.06 0.07 62.67 09:30:21 2 38.48 0.00 1.49 0.06 0.07 59.90 09:30:21 3 35.79 0.00 1.33 0.02 0.06 62.80 09:40:21 all 69.72 0.00 2.40 0.43 0.11 27.34 09:40:21 0 71.07 0.00 2.53 0.03 0.11 26.26 09:40:21 1 69.29 0.00 2.07 0.88 0.11 27.65 09:40:21 2 67.44 0.00 2.41 0.04 0.11 30.00 09:40:21 3 71.07 0.00 2.60 0.75 0.11 25.47 Average: all 52.98 0.00 1.88 0.23 0.09 44.82 Average: 0 53.05 0.00 1.83 0.02 0.09 45.02 Average: 1 52.51 0.00 1.78 0.47 0.09 45.15 Average: 2 52.95 0.00 1.95 0.05 0.09 44.96 Average: 3 53.42 0.00 1.96 0.39 0.09 44.14