---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26505 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: 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 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 657 7938 4 7392 14989 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:20:d1:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83496sec preferred_lft 83496sec inet6 fe80::f816:3eff:fe20:d1ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:05:a8:c7:d1:31 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-26505) 06/10/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:19 22.54 0.43 19.27 2.85 19.38 2146.15 3955.96 19:30:01 25.62 0.01 22.93 2.68 0.18 2077.63 29706.47 19:40:19 15.62 0.02 14.30 1.30 0.38 3200.38 24671.94 Average: 21.17 0.16 18.75 2.26 6.65 2485.71 19393.37 19:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:19 9460264 13425780 2531232 15.46 143256 3935372 2573456 14.77 894868 5612288 26604 19:30:01 8572896 13006424 2947188 18.00 161360 4350492 2982576 17.12 997812 6371980 142560 19:40:19 5408888 10556300 5394644 32.95 168148 5031844 5155192 29.59 1228760 9257660 29748 Average: 7814016 12329501 3624355 22.14 157588 4439236 3570408 20.49 1040480 7080643 66304 19:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:19 lo 1788.79 1788.79 1699.71 1699.71 0.00 0.00 0.00 0.00 19:20:19 ens3 46.23 40.07 74.22 12.93 0.00 0.00 0.00 0.00 19:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1290.32 1290.32 1229.47 1229.47 0.00 0.00 0.00 0.00 19:30:01 ens3 39.48 32.04 25.06 10.56 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 19:40:19 lo 540.92 540.92 4428.52 4428.52 0.00 0.00 0.00 0.00 19:40:19 ens3 19.54 14.83 10.08 5.21 0.00 0.00 0.00 0.00 19:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1199.38 1199.38 2483.91 2483.91 0.00 0.00 0.00 0.00 Average: ens3 34.89 28.82 36.31 9.51 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-26505) 06/10/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:20 CPU %user %nice %system %iowait %steal %idle 19:20:19 all 63.08 0.00 2.41 3.82 0.11 30.58 19:20:19 0 62.19 0.00 2.41 3.66 0.11 31.63 19:20:19 1 63.11 0.00 2.63 5.10 0.11 29.05 19:20:19 2 63.29 0.00 2.44 2.04 0.12 32.12 19:20:19 3 63.73 0.00 2.15 4.47 0.11 29.54 19:30:01 all 64.05 0.00 2.35 0.13 0.12 33.34 19:30:01 0 61.71 0.00 2.02 0.08 0.12 36.07 19:30:01 1 64.62 0.00 2.81 0.09 0.12 32.35 19:30:01 2 63.83 0.00 2.15 0.10 0.12 33.80 19:30:01 3 66.05 0.00 2.44 0.26 0.12 31.13 19:40:19 all 36.67 0.00 1.53 0.25 0.09 61.46 19:40:19 0 40.47 0.00 1.35 0.21 0.09 57.87 19:40:19 1 33.31 0.00 1.57 0.53 0.09 64.50 19:40:19 2 35.86 0.00 1.77 0.09 0.09 62.18 19:40:19 3 37.03 0.00 1.43 0.18 0.09 61.27 Average: all 54.33 0.00 2.09 1.40 0.11 42.07 Average: 0 54.57 0.00 1.92 1.32 0.11 42.08 Average: 1 53.36 0.00 2.33 1.91 0.11 42.29 Average: 2 54.05 0.00 2.12 0.74 0.11 42.98 Average: 3 55.33 0.00 2.00 1.64 0.11 40.93