---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30442 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 662 10236 4 5090 14984 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:d8:0e:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84642sec preferred_lft 84642sec inet6 fe80::f816:3eff:fed8:eb2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:b1:0d:55:be:42 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30442) 06/25/26 _x86_64_ (4 CPU) 08:43:06 LINUX RESTART (4 CPU) 08:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:01 23.44 12.55 9.79 1.11 151.60 2193.30 2579.86 09:10:01 31.20 0.73 26.18 4.29 24.18 3903.43 6678.42 Average: 27.36 6.58 18.06 2.71 87.30 3056.33 4648.24 08:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:01 9284452 13156484 2799096 17.10 151880 3797452 3060484 17.57 817940 5839512 29040 09:10:01 10533472 15385332 563660 3.44 178364 4686916 1117216 6.41 1076412 4239136 284 Average: 9908962 14270908 1681378 10.27 165122 4242184 2088850 11.99 947176 5039324 14662 08:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 09:00:01 ens3 58.34 48.29 100.03 16.10 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 1749.12 1749.12 1659.48 1659.48 0.00 0.00 0.00 0.00 09:10:01 ens3 99.08 82.25 405.56 100.90 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 883.40 883.40 837.54 837.54 0.00 0.00 0.00 0.00 Average: ens3 78.90 65.42 254.22 58.90 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30442) 06/25/26 _x86_64_ (4 CPU) 08:43:06 LINUX RESTART (4 CPU) 08:50:12 CPU %user %nice %system %iowait %steal %idle 09:00:01 all 72.57 0.08 2.33 0.08 0.14 24.80 09:00:01 0 72.58 0.00 2.17 0.04 0.14 25.07 09:00:01 1 73.35 0.32 2.68 0.15 0.14 23.35 09:00:01 2 74.15 0.00 2.46 0.07 0.14 23.18 09:00:01 3 70.19 0.00 2.00 0.06 0.14 27.61 09:10:01 all 52.97 0.00 2.39 0.11 0.10 44.43 09:10:01 0 50.12 0.00 2.24 0.12 0.10 47.41 09:10:01 1 55.27 0.00 2.50 0.14 0.11 41.99 09:10:01 2 53.69 0.00 2.42 0.09 0.11 43.70 09:10:01 3 52.78 0.00 2.39 0.09 0.10 44.63 Average: all 62.67 0.04 2.36 0.09 0.12 34.71 Average: 0 61.25 0.00 2.21 0.08 0.12 36.34 Average: 1 64.22 0.16 2.59 0.14 0.12 32.76 Average: 2 63.82 0.00 2.44 0.08 0.12 33.53 Average: 3 61.41 0.00 2.20 0.08 0.12 36.20