---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23821 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 729 10503 4 4756 14917 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:aa:2d:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84648sec preferred_lft 84648sec inet6 fe80::f816:3eff:feaa:2dfc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:3b:e4:b3:1a:c9 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23821) 02/27/26 _x86_64_ (4 CPU) 12:03:01 LINUX RESTART (4 CPU) 12:10:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:16 12.22 0.53 10.56 1.13 18.18 2710.37 2098.34 12:30:01 28.06 0.62 23.19 4.26 22.14 4018.48 3227.18 Average: 20.14 0.57 16.88 2.69 20.16 3364.70 2663.00 12:10:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:16 10074688 13579320 2378360 14.53 145612 3459108 2590840 14.87 643720 5241048 17368 12:30:01 10860532 15370656 580200 3.54 171732 4371804 1117840 6.42 911268 4103760 236 Average: 10467610 14474988 1479280 9.03 158672 3915456 1854340 10.64 777494 4672404 8802 12:10:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:16 lo 1.40 1.40 0.15 0.15 0.00 0.00 0.00 0.00 12:20:16 ens3 77.38 59.10 140.45 18.22 0.00 0.00 0.00 0.00 12:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 1645.42 1645.42 1559.38 1559.38 0.00 0.00 0.00 0.00 12:30:01 ens3 107.00 92.83 423.43 123.78 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 823.76 823.76 780.10 780.10 0.00 0.00 0.00 0.00 Average: ens3 92.20 75.97 282.00 71.02 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23821) 02/27/26 _x86_64_ (4 CPU) 12:03:01 LINUX RESTART (4 CPU) 12:10:31 CPU %user %nice %system %iowait %steal %idle 12:20:16 all 73.39 0.00 2.31 0.03 0.10 24.19 12:20:16 0 72.61 0.00 2.21 0.02 0.10 25.06 12:20:16 1 73.43 0.00 2.45 0.04 0.10 23.99 12:20:16 2 74.31 0.00 2.36 0.02 0.10 23.22 12:20:16 3 73.19 0.00 2.21 0.03 0.10 24.48 12:30:01 all 52.06 0.00 2.27 0.07 0.08 45.52 12:30:01 0 47.10 0.00 2.23 0.07 0.08 50.52 12:30:01 1 53.85 0.00 2.26 0.13 0.08 43.68 12:30:01 2 53.82 0.00 2.36 0.03 0.08 43.70 12:30:01 3 53.48 0.00 2.24 0.04 0.08 44.16 Average: all 62.72 0.00 2.29 0.05 0.09 34.86 Average: 0 59.85 0.00 2.22 0.05 0.09 37.80 Average: 1 63.63 0.00 2.35 0.08 0.09 33.84 Average: 2 64.06 0.00 2.36 0.02 0.09 33.47 Average: 3 63.33 0.00 2.23 0.03 0.09 34.33