---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8270 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 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 627 10379 4 4982 15019 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:35:be:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84761sec preferred_lft 84761sec inet6 fe80::f816:3eff:fe35:be13/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:0c:b1:c2:0d:b2 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-8270) 02/06/26 _x86_64_ (4 CPU) 17:23:09 LINUX RESTART (4 CPU) 17:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 3.54 0.07 3.32 0.16 6.96 512.19 20.35 17:50:09 25.37 0.69 22.18 2.51 31.45 5989.53 5113.27 Average: 14.66 0.38 12.92 1.35 19.43 3300.84 2613.28 17:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 9620052 12864780 3096572 18.91 116372 3292304 3200196 18.37 691812 5705996 244 17:50:09 10722640 15471456 483236 2.95 141684 4712424 1011252 5.80 1063004 4171664 12140 Average: 10171346 14168118 1789904 10.93 129028 4002364 2105724 12.09 877408 4938830 6192 17:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 0.60 0.60 0.39 0.39 0.00 0.00 0.00 0.00 17:40:01 ens3 7.82 6.89 38.12 1.66 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:09 lo 456.22 456.22 432.67 432.67 0.00 0.00 0.00 0.00 17:50:09 ens3 54.43 44.69 466.66 69.80 0.00 0.00 0.00 0.00 17:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 232.56 232.56 220.47 220.47 0.00 0.00 0.00 0.00 Average: ens3 31.55 26.13 256.30 36.35 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-8270) 02/06/26 _x86_64_ (4 CPU) 17:23:09 LINUX RESTART (4 CPU) 17:30:15 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 46.78 0.00 0.61 0.03 0.09 52.48 17:40:01 0 34.49 0.00 0.73 0.02 0.08 64.68 17:40:01 1 34.91 0.00 0.49 0.03 0.08 64.49 17:40:01 2 54.69 0.00 0.59 0.05 0.09 44.57 17:40:01 3 63.04 0.00 0.63 0.03 0.10 36.20 17:50:09 all 53.85 0.00 1.54 0.42 0.11 44.07 17:50:09 0 57.18 0.00 1.58 0.41 0.12 40.71 17:50:09 1 46.61 0.00 1.52 0.39 0.10 51.38 17:50:09 2 46.39 0.00 1.35 0.60 0.11 51.55 17:50:09 3 65.19 0.00 1.73 0.30 0.12 32.66 Average: all 50.37 0.00 1.08 0.23 0.10 48.21 Average: 0 46.02 0.00 1.16 0.22 0.10 52.49 Average: 1 40.87 0.00 1.02 0.21 0.09 57.82 Average: 2 50.47 0.00 0.98 0.33 0.10 48.12 Average: 3 64.14 0.00 1.19 0.17 0.11 34.40