---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24387 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 13G 65G 17% / 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 678 8165 4 7145 14968 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:34:b5:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83683sec preferred_lft 83683sec inet6 fe80::f816:3eff:fe34:b5a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:d8:fd:42:6e:8b 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-24387) 06/05/26 _x86_64_ (4 CPU) 12:14:30 LINUX RESTART (4 CPU) 12:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:08 31.28 2.94 25.29 3.05 160.02 4134.94 7981.39 12:40:00 28.23 0.01 25.30 2.92 0.20 2304.77 19042.92 12:50:08 12.80 0.02 11.77 1.01 0.32 3186.42 6026.93 Average: 24.05 1.00 20.73 2.32 53.82 3215.57 10946.30 12:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:08 9586916 13310372 2647792 16.17 139796 3700516 2727740 15.66 749584 5645232 23072 12:40:00 8404612 12631356 3323152 20.30 159828 4147732 3286464 18.86 864688 6666080 134888 12:50:08 5182836 10097056 5854716 35.76 170372 4800244 5439768 31.22 1089260 9609796 160 Average: 7724788 12012928 3941887 24.08 156665 4216164 3817991 21.92 901177 7307036 52707 12:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:08 lo 1519.01 1519.01 1441.90 1441.90 0.00 0.00 0.00 0.00 12:30:08 ens3 128.68 94.04 949.13 20.85 0.00 0.00 0.00 0.00 12:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:00 lo 1297.64 1297.64 1236.40 1236.40 0.00 0.00 0.00 0.00 12:40:00 ens3 43.88 32.09 25.84 11.16 0.00 0.00 0.00 0.00 12:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:08 lo 443.98 443.98 4820.81 4820.81 0.00 0.00 0.00 0.00 12:50:08 ens3 17.74 13.53 10.13 5.33 0.00 0.00 0.00 0.00 12:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1084.04 1084.04 2513.77 2513.77 0.00 0.00 0.00 0.00 Average: ens3 63.50 46.60 330.07 12.44 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-24387) 06/05/26 _x86_64_ (4 CPU) 12:14:30 LINUX RESTART (4 CPU) 12:20:03 CPU %user %nice %system %iowait %steal %idle 12:30:08 all 67.85 0.00 2.56 0.24 0.11 29.25 12:30:08 0 66.19 0.00 2.62 0.32 0.11 30.76 12:30:08 1 67.98 0.00 2.91 0.22 0.11 28.78 12:30:08 2 68.37 0.00 2.33 0.11 0.11 29.08 12:30:08 3 68.85 0.00 2.38 0.29 0.11 28.37 12:40:00 all 62.71 0.00 2.33 0.14 0.10 34.71 12:40:00 0 63.43 0.00 2.26 0.13 0.10 34.07 12:40:00 1 62.39 0.00 2.30 0.11 0.10 35.10 12:40:00 2 63.49 0.00 2.48 0.12 0.11 33.80 12:40:00 3 61.53 0.00 2.30 0.19 0.10 35.87 12:50:08 all 34.34 0.00 1.24 0.09 0.10 64.24 12:50:08 0 31.19 0.00 1.32 0.04 0.10 67.34 12:50:08 1 34.86 0.00 1.15 0.09 0.10 63.80 12:50:08 2 39.37 0.00 1.35 0.07 0.10 59.12 12:50:08 3 31.93 0.00 1.14 0.15 0.09 66.70 Average: all 54.86 0.00 2.04 0.15 0.10 42.84 Average: 0 53.49 0.00 2.07 0.16 0.11 44.17 Average: 1 54.98 0.00 2.11 0.14 0.11 42.66 Average: 2 56.99 0.00 2.05 0.10 0.10 40.77 Average: 3 53.99 0.00 1.93 0.21 0.10 43.77