---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16574 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 690 8263 4 7035 14955 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:60:8b:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84065sec preferred_lft 84065sec inet6 fe80::f816:3eff:fe60:8b47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:15:ff:16:ba:2d 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-16574) 05/18/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:09 24.45 0.06 21.77 2.62 6.27 2243.84 15427.01 19:30:01 28.67 0.03 25.73 2.91 0.66 4333.77 29374.76 19:40:09 15.75 0.32 13.44 2.00 13.98 7493.79 51350.86 Average: 22.90 0.14 20.26 2.50 7.03 4699.63 32115.42 19:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:09 8938692 12895812 3059940 18.69 148616 3909304 3270228 18.77 782952 6242240 190372 19:30:01 7781440 12554136 3397612 20.75 164096 4673112 3504588 20.12 1034660 7082888 1160 19:40:09 8503848 15352872 590952 3.61 178280 6667948 1081024 6.21 1798200 5522776 13408 Average: 8407993 13600940 2349501 14.35 163664 5083455 2618613 15.03 1205271 6282635 68313 19:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:09 lo 1343.13 1343.13 1273.41 1273.41 0.00 0.00 0.00 0.00 19:20:09 ens3 37.06 30.35 42.95 10.63 0.00 0.00 0.00 0.00 19:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1114.89 1114.89 1055.32 1055.32 0.00 0.00 0.00 0.00 19:30:01 ens3 40.37 31.76 28.65 11.20 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:09 lo 2396.86 2396.86 9156.88 9156.88 0.00 0.00 0.00 0.00 19:40:09 ens3 102.73 113.05 160.54 1236.51 0.00 0.00 0.00 0.00 19:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1623.54 1623.54 3859.96 3859.96 0.00 0.00 0.00 0.00 Average: ens3 60.29 58.70 77.91 424.15 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-16574) 05/18/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:05 CPU %user %nice %system %iowait %steal %idle 19:20:09 all 66.39 0.00 2.33 0.05 0.11 31.12 19:20:09 0 65.44 0.00 2.37 0.05 0.11 32.03 19:20:09 1 65.83 0.00 2.32 0.04 0.11 31.70 19:20:09 2 67.35 0.00 2.31 0.05 0.11 30.18 19:20:09 3 66.93 0.00 2.31 0.08 0.12 30.57 19:30:01 all 56.56 0.00 2.32 0.09 0.10 40.94 19:30:01 0 54.84 0.00 2.00 0.04 0.10 43.02 19:30:01 1 59.98 0.00 2.80 0.18 0.11 36.93 19:30:01 2 55.56 0.00 2.18 0.07 0.10 42.08 19:30:01 3 55.85 0.00 2.30 0.05 0.10 41.70 19:40:09 all 35.87 0.00 1.35 0.17 0.07 62.53 19:40:09 0 37.56 0.00 1.35 0.27 0.08 60.74 19:40:09 1 39.24 0.00 0.98 0.11 0.07 59.60 19:40:09 2 31.37 0.00 1.46 0.24 0.07 66.86 19:40:09 3 35.32 0.00 1.61 0.07 0.07 62.93 Average: all 52.85 0.00 1.99 0.10 0.10 44.96 Average: 0 52.54 0.00 1.90 0.12 0.10 45.34 Average: 1 54.93 0.00 2.02 0.11 0.10 42.84 Average: 2 51.31 0.00 1.98 0.12 0.10 46.49 Average: 3 52.61 0.00 2.07 0.06 0.10 45.16