---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7973 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: 5600.00 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 12G 67G 15% / 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 741 9515 4 5732 14905 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:56:32:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84589sec preferred_lft 84589sec inet6 fe80::f816:3eff:fe56:3283/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:b1:8c:76:34:94 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-7973) 04/25/26 _x86_64_ (4 CPU) 12:35:28 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 28.63 0.91 24.97 2.75 232.95 4381.37 6858.94 13:00:10 29.17 0.04 26.02 3.11 1.53 5958.42 9437.88 Average: 28.90 0.47 25.50 2.93 116.59 5174.32 8155.66 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 9392132 13240320 2714688 16.58 159320 3775316 2879048 16.53 786140 5749044 15188 13:00:10 7578956 12846124 3102712 18.95 187560 5093468 3342568 19.19 1088088 7197836 25460 Average: 8485544 13043222 2908700 17.77 173440 4434392 3110808 17.86 937114 6473440 20324 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 1197.62 1197.62 1141.33 1141.33 0.00 0.00 0.00 0.00 12:50:02 ens3 73.76 55.34 392.94 15.55 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:10 lo 972.16 972.16 926.13 926.13 0.00 0.00 0.00 0.00 13:00:10 ens3 57.54 43.05 231.18 12.55 0.00 0.00 0.00 0.00 13:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1084.26 1084.26 1033.12 1033.12 0.00 0.00 0.00 0.00 Average: ens3 65.61 49.16 311.60 14.04 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-7973) 04/25/26 _x86_64_ (4 CPU) 12:35:28 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 64.18 0.00 2.28 0.09 0.09 33.37 12:50:02 0 65.24 0.00 2.20 0.06 0.08 32.42 12:50:02 1 63.55 0.00 2.13 0.08 0.09 34.15 12:50:02 2 62.91 0.00 2.40 0.13 0.09 34.48 12:50:02 3 65.03 0.00 2.39 0.09 0.09 32.41 13:00:10 all 58.57 0.00 2.17 0.09 0.08 39.09 13:00:10 0 58.81 0.00 2.24 0.07 0.08 38.80 13:00:10 1 60.81 0.00 2.27 0.05 0.08 36.79 13:00:10 2 59.26 0.00 2.22 0.12 0.08 38.33 13:00:10 3 55.39 0.00 1.96 0.12 0.08 42.44 Average: all 61.36 0.00 2.22 0.09 0.08 36.25 Average: 0 62.00 0.00 2.22 0.06 0.08 35.63 Average: 1 62.17 0.00 2.20 0.07 0.08 35.48 Average: 2 61.07 0.00 2.31 0.12 0.08 36.42 Average: 3 60.18 0.00 2.17 0.11 0.08 37.46