---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30885 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 659 8177 4 7151 14987 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:13:88:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83861sec preferred_lft 83861sec inet6 fe80::f816:3eff:fe13:88b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:5f:89:a9:25:e9 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-30885) 06/26/26 _x86_64_ (4 CPU) 17:09:31 LINUX RESTART (4 CPU) 17:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 64.71 11.24 50.83 2.63 1637.14 7503.14 10611.46 17:30:06 27.81 0.02 24.68 3.12 0.21 2171.26 14587.65 17:40:06 36.31 0.03 20.38 15.90 0.56 3868.05 247553.28 17:50:06 13.49 0.29 11.73 1.47 11.64 7407.80 51438.88 Average: 35.56 2.89 26.90 5.77 411.31 5230.04 80893.11 17:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9989160 13567508 2391704 14.61 133724 3573228 2734624 15.70 697648 5308608 29596 17:30:06 9182240 13118632 2836904 17.33 152628 3882120 2881256 16.54 806740 5976728 18244 17:40:06 7382372 12275608 3675968 22.45 165204 4784896 3470720 19.92 1072944 7444172 444 17:50:06 8414552 15378460 565852 3.46 181532 6772224 1115432 6.40 1822812 5583160 4 Average: 8742081 13585052 2367607 14.46 158272 4753117 2550508 14.64 1100036 6078167 12072 17:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 909.23 909.23 864.52 864.52 0.00 0.00 0.00 0.00 17:20:01 ens3 187.03 136.99 1401.02 26.02 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:06 lo 1464.60 1464.60 1390.86 1390.86 0.00 0.00 0.00 0.00 17:30:06 ens3 39.48 31.24 14.70 10.30 0.00 0.00 0.00 0.00 17:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:06 lo 666.90 666.90 628.31 628.31 0.00 0.00 0.00 0.00 17:40:06 ens3 38.60 29.64 28.09 10.30 0.00 0.00 0.00 0.00 17:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:06 lo 2550.03 2550.03 9291.95 9291.95 0.00 0.00 0.00 0.00 17:50:06 ens3 74.78 86.73 141.66 1191.02 0.00 0.00 0.00 0.00 17:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1397.88 1397.88 3040.09 3040.09 0.00 0.00 0.00 0.00 Average: ens3 84.85 71.05 395.38 308.71 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-30885) 06/26/26 _x86_64_ (4 CPU) 17:09:31 LINUX RESTART (4 CPU) 17:10:01 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 46.77 0.00 2.08 0.50 0.08 50.56 17:20:01 0 46.71 0.00 2.20 0.74 0.08 50.26 17:20:01 1 44.68 0.00 1.70 0.26 0.08 53.28 17:20:01 2 48.03 0.00 2.24 0.74 0.08 48.91 17:20:01 3 47.67 0.00 2.20 0.26 0.09 49.78 17:30:06 all 64.98 0.00 2.40 0.11 0.11 32.40 17:30:06 0 64.06 0.00 2.29 0.07 0.11 33.46 17:30:06 1 65.94 0.00 2.51 0.16 0.11 31.28 17:30:06 2 65.83 0.00 2.32 0.09 0.12 31.65 17:30:06 3 64.08 0.00 2.49 0.11 0.11 33.20 17:40:06 all 47.42 0.00 1.89 0.14 0.10 50.45 17:40:06 0 46.47 0.00 2.06 0.10 0.09 51.28 17:40:06 1 48.35 0.00 2.05 0.24 0.10 49.26 17:40:06 2 47.98 0.00 1.53 0.07 0.10 50.32 17:40:06 3 46.90 0.00 1.92 0.14 0.10 50.94 17:50:06 all 34.49 0.00 1.33 0.29 0.08 63.81 17:50:06 0 30.49 0.00 1.24 0.62 0.07 67.58 17:50:06 1 37.37 0.00 1.42 0.29 0.08 60.83 17:50:06 2 34.98 0.00 1.62 0.13 0.08 63.19 17:50:06 3 35.11 0.00 1.05 0.11 0.08 63.65 Average: all 48.44 0.00 1.93 0.26 0.09 49.28 Average: 0 46.96 0.00 1.95 0.38 0.09 50.62 Average: 1 49.12 0.00 1.92 0.24 0.09 48.63 Average: 2 49.23 0.00 1.93 0.26 0.09 48.49 Average: 3 48.46 0.00 1.91 0.16 0.09 49.37