---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26226 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 698 10467 4 4823 14948 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:a1:f5:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83343sec preferred_lft 83343sec inet6 fe80::f816:3eff:fea1:f575/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:73:c6:b1:6d:8f 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-26226) 06/09/26 _x86_64_ (4 CPU) 14:34:33 LINUX RESTART (4 CPU) 14:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:19 2.22 0.01 2.21 0.01 0.44 35.48 0.21 15:00:01 21.38 1.94 5.73 13.71 126.09 1325.38 248322.47 15:10:19 11.64 0.49 10.02 1.13 18.82 2272.84 2945.13 15:20:19 31.49 0.73 26.54 4.22 24.19 3887.83 11336.06 Average: 16.54 0.78 11.11 4.65 41.37 1878.02 63490.64 14:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:19 13024220 15491756 483544 2.95 98316 2558688 983972 5.65 337064 2680664 240 15:00:01 11528500 14440836 1523336 9.30 115184 2962248 1936564 11.12 467796 4048488 32196 15:10:19 9734320 13339172 2618328 15.99 146160 3554328 2915040 16.73 644432 5587352 33564 15:20:19 10798120 15376964 574184 3.51 172500 4437832 1084388 6.22 900372 4161456 12 Average: 11271290 14662182 1299848 7.94 133040 3378274 1729991 9.93 587416 4119490 16503 14:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:50:19 ens3 7.24 6.48 112.45 1.17 0.00 0.00 0.00 0.00 14:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 15:00:01 ens3 55.88 44.69 599.64 6.53 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:19 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 15:10:19 ens3 76.57 55.20 97.84 17.07 0.00 0.00 0.00 0.00 15:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:19 lo 1695.77 1695.77 1611.55 1611.55 0.00 0.00 0.00 0.00 15:20:19 ens3 83.82 68.25 399.93 72.74 0.00 0.00 0.00 0.00 15:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 422.22 422.22 400.88 400.88 0.00 0.00 0.00 0.00 Average: ens3 55.78 43.54 297.76 24.34 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-26226) 06/09/26 _x86_64_ (4 CPU) 14:34:33 LINUX RESTART (4 CPU) 14:40:06 CPU %user %nice %system %iowait %steal %idle 14:50:19 all 0.27 0.00 0.05 0.01 0.02 99.65 14:50:19 0 0.04 0.00 0.04 0.01 0.02 99.90 14:50:19 1 0.71 0.00 0.05 0.02 0.02 99.20 14:50:19 2 0.20 0.00 0.08 0.01 0.02 99.70 14:50:19 3 0.11 0.00 0.05 0.00 0.01 99.83 15:00:01 all 9.21 0.00 0.38 0.04 0.03 90.34 15:00:01 0 9.72 0.00 0.27 0.02 0.03 89.96 15:00:01 1 9.52 0.00 0.40 0.00 0.04 90.04 15:00:01 2 9.13 0.00 0.46 0.11 0.04 90.25 15:00:01 3 8.46 0.00 0.38 0.04 0.03 91.10 15:10:19 all 73.00 0.00 2.21 0.03 0.10 24.66 15:10:19 0 73.53 0.00 2.35 0.04 0.10 23.97 15:10:19 1 74.29 0.00 2.17 0.03 0.11 23.41 15:10:19 2 72.67 0.00 2.21 0.03 0.10 24.98 15:10:19 3 71.49 0.00 2.11 0.02 0.10 26.27 15:20:19 all 46.82 0.00 2.23 2.13 0.08 48.74 15:20:19 0 48.38 0.00 2.25 0.09 0.08 49.19 15:20:19 1 46.60 0.00 2.15 4.39 0.08 46.78 15:20:19 2 47.10 0.00 2.13 3.93 0.08 46.76 15:20:19 3 45.22 0.00 2.39 0.10 0.08 52.21 Average: all 32.61 0.00 1.22 0.55 0.06 65.56 Average: 0 33.20 0.00 1.24 0.04 0.06 65.46 Average: 1 33.07 0.00 1.20 1.11 0.06 64.56 Average: 2 32.56 0.00 1.23 1.01 0.06 65.14 Average: 3 31.61 0.00 1.24 0.04 0.05 67.05