---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39162 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 11G 68G 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 679 10471 4 4837 14967 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:a3:b2:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82967sec preferred_lft 82967sec inet6 fe80::f816:3eff:fea3:b265/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:f9:fd:5f:4d:45 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-39162) 07/26/26 _x86_64_ (4 CPU) 21:18:26 LINUX RESTART (4 CPU) 21:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:02 1.14 0.04 1.09 0.01 2.28 15.61 221.45 21:40:02 0.80 0.01 0.80 0.00 0.04 11.16 0.00 21:50:02 30.30 2.22 27.47 0.60 133.69 1759.05 1287.47 22:00:02 14.38 1.92 11.71 0.75 124.07 3559.92 1874.43 22:10:02 40.31 0.78 22.10 17.44 28.08 3258.37 246223.11 Average: 17.38 0.99 12.63 3.76 57.61 1720.24 49904.40 21:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:02 13777988 15535556 483748 2.95 53852 1930552 1144456 6.57 194012 2159788 148 21:40:02 13777496 15535472 483776 2.95 54216 1930564 1144456 6.57 194380 2161028 144 21:50:02 13045108 15531236 443724 2.71 97656 2577492 994356 5.71 336860 2685988 276064 22:00:02 10804668 14118280 1842352 11.25 129844 3310152 2154900 12.37 546228 4641076 24128 22:10:02 8648128 13117024 2834544 17.31 166496 4344164 3428484 19.68 859212 6393992 305016 Average: 12010678 14767514 1217629 7.44 100413 2818585 1773330 10.18 426138 3608374 121100 21:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:02 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 21:30:02 ens3 0.28 0.15 0.19 0.04 0.00 0.00 0.00 0.00 21:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:40:02 ens3 0.24 0.12 0.06 0.04 0.00 0.00 0.00 0.00 21:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:02 lo 0.32 0.32 0.03 0.03 0.00 0.00 0.00 0.00 21:50:02 ens3 44.33 30.77 321.18 6.96 0.00 0.00 0.00 0.00 21:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:02 lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 22:00:02 ens3 98.13 77.73 655.79 17.38 0.00 0.00 0.00 0.00 22:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:02 lo 1585.86 1585.86 1511.73 1511.73 0.00 0.00 0.00 0.00 22:10:02 ens3 99.13 73.27 416.36 19.21 0.00 0.00 0.00 0.00 22:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 317.36 317.36 302.27 302.27 0.00 0.00 0.00 0.00 Average: ens3 48.41 36.40 278.62 8.72 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-39162) 07/26/26 _x86_64_ (4 CPU) 21:18:26 LINUX RESTART (4 CPU) 21:20:01 CPU %user %nice %system %iowait %steal %idle 21:30:02 all 0.14 0.00 0.03 0.02 0.01 99.79 21:30:02 0 0.32 0.00 0.04 0.00 0.01 99.62 21:30:02 1 0.05 0.00 0.03 0.02 0.02 99.88 21:30:02 2 0.18 0.00 0.03 0.05 0.01 99.72 21:30:02 3 0.02 0.00 0.02 0.02 0.01 99.93 21:40:02 all 0.12 0.00 0.02 0.03 0.01 99.82 21:40:02 0 0.02 0.00 0.02 0.01 0.01 99.95 21:40:02 1 0.02 0.00 0.02 0.01 0.01 99.94 21:40:02 2 0.41 0.00 0.03 0.08 0.02 99.46 21:40:02 3 0.03 0.00 0.02 0.00 0.01 99.95 21:50:02 all 2.78 0.00 0.31 0.42 0.02 96.47 21:50:02 0 4.52 0.00 0.41 0.18 0.02 94.88 21:50:02 1 2.77 0.00 0.36 0.45 0.03 96.41 21:50:02 2 1.61 0.00 0.21 0.95 0.02 97.21 21:50:02 3 2.23 0.00 0.28 0.09 0.01 97.39 22:00:02 all 48.62 0.00 1.60 0.14 0.08 49.55 22:00:02 0 49.68 0.00 1.82 0.19 0.09 48.23 22:00:02 1 47.80 0.00 1.39 0.06 0.08 50.67 22:00:02 2 47.72 0.00 1.52 0.19 0.08 50.49 22:00:02 3 49.29 0.00 1.67 0.12 0.08 48.83 22:10:02 all 68.42 0.00 2.73 0.17 0.11 28.57 22:10:02 0 66.35 0.00 2.63 0.15 0.11 30.76 22:10:02 1 70.68 0.00 2.97 0.27 0.11 25.97 22:10:02 2 68.21 0.00 2.83 0.16 0.11 28.68 22:10:02 3 68.43 0.00 2.50 0.10 0.11 28.85 Average: all 23.98 0.00 0.94 0.16 0.05 74.88 Average: 0 24.16 0.00 0.98 0.11 0.05 74.71 Average: 1 24.23 0.00 0.95 0.16 0.05 74.61 Average: 2 23.58 0.00 0.92 0.29 0.05 75.16 Average: 3 23.95 0.00 0.89 0.07 0.04 75.05