---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35688 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 12G 66G 16% / 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 643 8902 4 6443 15003 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:03:f7:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83875sec preferred_lft 83875sec inet6 fe80::f816:3eff:fe03:f7c3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:c9:14:ac:4d:0e 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-35688) 07/14/26 _x86_64_ (4 CPU) 05:26:54 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:00 32.14 3.88 25.87 2.38 199.20 5008.40 4167.50 05:50:06 25.10 0.01 22.06 3.03 0.18 2063.96 6182.02 06:00:01 22.53 0.03 20.50 2.01 0.36 3848.06 6903.81 Average: 26.60 1.31 22.81 2.48 66.49 3633.35 5749.94 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:00 10001240 13429252 2530376 15.45 130596 3429248 2740804 15.73 620168 5380884 29504 05:50:06 9163896 12946280 3010536 18.39 149160 3735972 2957924 16.98 727196 6081276 22112 06:00:01 5590424 10319248 5633684 34.41 162476 4627740 5447048 31.27 993376 9326504 28 Average: 8251853 12231593 3724865 22.75 147411 3930987 3715259 21.33 780247 6929555 17215 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:00 lo 1018.84 1018.84 965.00 965.00 0.00 0.00 0.00 0.00 05:40:00 ens3 119.04 91.94 1042.22 18.39 0.00 0.00 0.00 0.00 05:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:06 lo 1484.90 1484.90 1414.96 1414.96 0.00 0.00 0.00 0.00 05:50:06 ens3 35.53 29.28 14.25 10.06 0.00 0.00 0.00 0.00 05:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 849.88 849.88 2860.32 2860.32 0.00 0.00 0.00 0.00 06:00:01 ens3 31.21 25.95 36.17 8.92 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1120.00 1120.00 1742.65 1742.65 0.00 0.00 0.00 0.00 Average: ens3 61.90 49.04 363.64 12.46 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-35688) 07/14/26 _x86_64_ (4 CPU) 05:26:54 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:00 all 46.90 0.00 1.99 2.19 0.10 48.82 05:40:00 0 48.31 0.00 1.69 4.57 0.11 45.32 05:40:00 1 45.89 0.00 2.17 1.69 0.10 50.14 05:40:00 2 47.95 0.00 1.86 0.98 0.10 49.10 05:40:00 3 45.45 0.00 2.25 1.51 0.10 50.70 05:50:06 all 63.63 0.00 2.55 1.48 0.15 32.19 05:50:06 0 63.58 0.00 2.27 2.36 0.15 31.64 05:50:06 1 63.26 0.00 2.71 1.34 0.15 32.54 05:50:06 2 64.15 0.00 2.77 1.34 0.16 31.57 05:50:06 3 63.53 0.00 2.42 0.89 0.15 33.01 06:00:01 all 51.81 0.00 2.05 1.21 0.13 44.80 06:00:01 0 53.85 0.00 1.94 1.62 0.13 42.46 06:00:01 1 52.18 0.00 2.29 1.29 0.13 44.12 06:00:01 2 50.66 0.00 2.03 1.14 0.13 46.03 06:00:01 3 50.54 0.00 1.93 0.79 0.13 46.61 Average: all 54.15 0.00 2.20 1.63 0.13 41.90 Average: 0 55.28 0.00 1.97 2.85 0.13 39.78 Average: 1 53.81 0.00 2.39 1.44 0.13 42.23 Average: 2 54.29 0.00 2.23 1.15 0.13 42.19 Average: 3 53.21 0.00 2.20 1.06 0.13 43.40