---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8806 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: 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 11G 67G 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 668 9912 4 5408 14978 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:24:db:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84617sec preferred_lft 84617sec inet6 fe80::f816:3eff:fe24:dbbd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:1b:9d:ec:60:28 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-8806) 02/09/26 _x86_64_ (4 CPU) 00:37:59 LINUX RESTART (4 CPU) 00:40:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 46.20 2.84 38.23 5.12 567.74 3741.42 105870.79 01:00:16 15.90 0.20 14.03 1.67 6.12 1727.98 12474.14 Average: 30.54 1.48 25.72 3.34 277.42 2700.64 57592.40 00:40:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 10028064 13397456 2563040 15.65 144768 3366932 2817028 16.17 778780 5192712 35288 01:00:16 9815336 13582788 2373804 14.50 162600 3716792 2516680 14.45 904292 5232904 12036 Average: 9921700 13490122 2468422 15.08 153684 3541862 2666854 15.31 841536 5212808 23662 00:40:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 19.81 19.81 4.28 4.28 0.00 0.00 0.00 0.00 00:50:01 ens3 74.34 52.78 633.61 10.20 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:16 lo 965.21 965.21 888.02 888.02 0.00 0.00 0.00 0.00 01:00:16 ens3 44.86 30.21 271.80 6.35 0.00 0.00 0.00 0.00 01:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 508.51 508.51 461.10 461.10 0.00 0.00 0.00 0.00 Average: ens3 59.10 41.11 446.58 8.21 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-8806) 02/09/26 _x86_64_ (4 CPU) 00:37:59 LINUX RESTART (4 CPU) 00:40:27 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 36.62 0.00 1.45 0.35 0.09 61.51 00:50:01 0 33.69 0.00 1.38 0.21 0.09 64.63 00:50:01 1 39.05 0.00 1.41 0.53 0.09 58.92 00:50:01 2 38.04 0.00 1.16 0.29 0.08 60.42 00:50:01 3 35.69 0.00 1.82 0.35 0.09 62.05 01:00:16 all 26.95 0.00 1.36 0.09 0.09 71.51 01:00:16 0 27.43 0.00 1.44 0.05 0.09 70.99 01:00:16 1 27.24 0.00 1.40 0.05 0.09 71.22 01:00:16 2 27.37 0.00 1.35 0.06 0.09 71.13 01:00:16 3 25.75 0.00 1.28 0.19 0.09 72.69 Average: all 31.62 0.00 1.40 0.21 0.09 66.68 Average: 0 30.45 0.00 1.41 0.13 0.09 67.92 Average: 1 32.94 0.00 1.41 0.28 0.09 65.28 Average: 2 32.53 0.00 1.26 0.17 0.09 65.96 Average: 3 30.55 0.00 1.54 0.27 0.09 67.55