---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1030 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 68G 13% / 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 681 10819 4 4488 14965 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:dd:cf:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85110sec preferred_lft 85110sec inet6 fe80::f816:3eff:fedd:cf11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:0a:97:d7:f2:07 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-1030) 08/01/26 _x86_64_ (4 CPU) 01:39:49 LINUX RESTART (4 CPU) 01:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:13 53.06 10.90 27.70 14.46 1490.09 10886.99 237456.18 02:00:14 30.99 0.94 26.06 3.99 28.49 4082.68 67329.65 Average: 42.14 5.97 26.89 9.28 767.11 7521.23 153303.06 01:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:13 10610056 13945128 2015352 12.31 124148 3339884 2620988 15.04 538900 4841004 17336 02:00:14 11197600 15423580 529512 3.23 162048 4116524 1046308 6.01 764368 3950120 75956 Average: 10903828 14684354 1272432 7.77 143098 3728204 1833648 10.53 651634 4395562 46646 01:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:13 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 01:50:13 ens3 140.32 102.85 931.93 23.77 0.00 0.00 0.00 0.00 01:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:14 lo 1696.42 1696.42 1617.04 1617.04 0.00 0.00 0.00 0.00 02:00:14 ens3 110.76 78.49 490.04 20.54 0.00 0.00 0.00 0.00 02:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 839.86 839.86 799.94 799.94 0.00 0.00 0.00 0.00 Average: ens3 125.70 90.80 713.35 22.17 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-1030) 08/01/26 _x86_64_ (4 CPU) 01:39:49 LINUX RESTART (4 CPU) 01:40:00 CPU %user %nice %system %iowait %steal %idle 01:50:13 all 60.80 0.00 2.21 1.67 0.11 35.22 01:50:13 0 62.06 0.00 2.02 0.80 0.11 35.01 01:50:13 1 60.46 0.00 2.07 1.61 0.11 35.75 01:50:13 2 61.75 0.00 2.32 2.95 0.11 32.87 01:50:13 3 58.90 0.00 2.42 1.30 0.11 37.27 02:00:14 all 67.75 0.00 2.76 0.37 0.12 29.00 02:00:14 0 67.74 0.00 2.53 0.21 0.12 29.40 02:00:14 1 68.60 0.00 2.93 0.35 0.12 28.01 02:00:14 2 68.87 0.00 3.21 0.49 0.12 27.31 02:00:14 3 65.78 0.00 2.38 0.43 0.12 31.29 Average: all 64.23 0.00 2.48 1.02 0.11 32.15 Average: 0 64.87 0.00 2.27 0.51 0.11 32.24 Average: 1 64.49 0.00 2.50 0.99 0.11 31.92 Average: 2 65.27 0.00 2.76 1.73 0.11 30.12 Average: 3 62.30 0.00 2.40 0.87 0.11 34.31