---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1502 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 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 676 10484 4 4828 14970 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:aa:47:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83415sec preferred_lft 83415sec inet6 fe80::f816:3eff:feaa:4748/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:09:de:09:53:14 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-1502) 08/02/26 _x86_64_ (4 CPU) 07:10:37 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 1.58 0.00 1.57 0.00 0.04 27.69 0.13 07:40:20 9.64 1.86 7.35 0.44 120.11 2084.14 1178.52 07:50:01 13.92 0.82 11.82 1.29 29.27 2482.65 3109.16 08:00:01 24.66 0.27 19.98 4.42 14.42 3060.05 5476.98 Average: 12.42 0.75 10.14 1.53 41.70 1910.40 2425.54 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 13026148 15500412 474136 2.90 99124 2564196 991500 5.69 340132 2665388 4 07:40:20 10178232 13351736 2609832 15.94 124028 3188292 3039988 17.45 524096 5306852 30436 07:50:01 8974200 13188944 2763588 16.88 164076 4101552 3021632 17.34 765328 6158484 353540 08:00:01 10761880 15350860 599884 3.66 176580 4442304 1106840 6.35 918564 4188576 10140 Average: 10735115 14347988 1611860 9.84 140952 3574086 2039990 11.71 637030 4579825 98530 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:30:01 ens3 9.05 7.50 121.92 0.77 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:20 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 07:40:20 ens3 71.90 57.92 632.72 11.23 0.00 0.00 0.00 0.00 07:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 173.94 173.94 164.54 164.54 0.00 0.00 0.00 0.00 07:50:01 ens3 93.74 68.99 341.59 19.39 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 1491.84 1491.84 1409.15 1409.15 0.00 0.00 0.00 0.00 08:00:01 ens3 104.75 96.67 144.02 189.39 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 415.22 415.22 392.11 392.11 0.00 0.00 0.00 0.00 Average: ens3 69.68 57.68 312.42 55.13 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-1502) 08/02/26 _x86_64_ (4 CPU) 07:10:37 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 0.20 0.00 0.04 0.01 0.02 99.73 07:30:01 0 0.41 0.00 0.03 0.00 0.02 99.53 07:30:01 1 0.33 0.00 0.10 0.01 0.03 99.54 07:30:01 2 0.02 0.00 0.02 0.00 0.02 99.94 07:30:01 3 0.03 0.00 0.02 0.02 0.02 99.91 07:40:20 all 31.69 0.00 0.99 0.04 0.05 67.22 07:40:20 0 31.16 0.00 0.98 0.03 0.05 67.78 07:40:20 1 33.74 0.00 1.23 0.06 0.05 64.92 07:40:20 2 31.35 0.00 0.89 0.03 0.06 67.67 07:40:20 3 30.52 0.00 0.87 0.03 0.06 68.53 07:50:01 all 70.85 0.00 2.34 0.07 0.09 26.65 07:50:01 0 67.42 0.00 2.07 0.06 0.10 30.36 07:50:01 1 72.08 0.00 2.49 0.12 0.09 25.22 07:50:01 2 72.05 0.00 2.32 0.03 0.09 25.51 07:50:01 3 71.85 0.00 2.47 0.06 0.10 25.52 08:00:01 all 32.75 0.00 1.69 0.10 0.06 65.40 08:00:01 0 33.04 0.00 1.51 0.11 0.07 65.28 08:00:01 1 31.59 0.00 1.61 0.06 0.06 66.67 08:00:01 2 32.00 0.00 1.63 0.17 0.07 66.13 08:00:01 3 34.38 0.00 2.00 0.05 0.06 63.51 Average: all 33.53 0.00 1.25 0.05 0.06 65.10 Average: 0 32.69 0.00 1.14 0.05 0.06 66.07 Average: 1 34.10 0.00 1.35 0.06 0.06 64.43 Average: 2 33.52 0.00 1.20 0.06 0.06 65.16 Average: 3 33.83 0.00 1.33 0.04 0.06 64.74