---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3754 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 67G 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 667 10446 4 4875 14979 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:4e:fc:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83471sec preferred_lft 83471sec inet6 fe80::f816:3eff:fe4e:fc52/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:aa:01:28:1e:95 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3754) 08/09/26 _x86_64_ (4 CPU) 08:05:36 LINUX RESTART (4 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:07 15.17 0.04 2.03 13.10 1.16 39.67 238153.04 08:30:03 7.79 1.86 5.81 0.13 121.98 1399.33 5.03 08:40:01 11.42 0.45 9.93 1.05 18.00 2254.94 2608.95 08:50:07 29.36 0.63 24.47 4.26 24.42 3948.16 3974.87 Average: 15.99 0.74 10.58 4.67 41.12 1911.28 61664.97 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:07 13005812 15506368 468532 2.86 98872 2590744 1006176 5.78 343536 2700000 148 08:30:03 11405676 14376292 1587476 9.70 118176 3012924 2295224 13.17 477528 4142976 35336 08:40:01 9711560 13337888 2619592 16.00 147936 3572724 3126488 17.95 640900 5597380 26944 08:50:07 10726088 15359188 591848 3.61 175084 4486796 1114704 6.40 906216 4227192 240 Average: 11212284 14644934 1316862 8.04 135017 3415797 1885648 10.82 592045 4166887 15667 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:07 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 08:20:07 ens3 14.24 11.01 165.72 1.28 0.00 0.00 0.00 0.00 08:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:03 lo 0.28 0.28 0.02 0.02 0.00 0.00 0.00 0.00 08:30:03 ens3 63.88 52.86 705.15 8.35 0.00 0.00 0.00 0.00 08:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 1.35 1.35 0.13 0.13 0.00 0.00 0.00 0.00 08:40:01 ens3 68.44 52.19 96.18 17.37 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:07 lo 1819.79 1819.79 1728.48 1728.48 0.00 0.00 0.00 0.00 08:50:07 ens3 92.67 77.83 427.29 86.46 0.00 0.00 0.00 0.00 08:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 458.80 458.80 435.41 435.41 0.00 0.00 0.00 0.00 Average: ens3 59.76 48.44 347.92 28.48 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3754) 08/09/26 _x86_64_ (4 CPU) 08:05:36 LINUX RESTART (4 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:07 all 0.33 0.00 0.07 0.03 0.02 99.55 08:20:07 0 0.08 0.00 0.04 0.00 0.01 99.87 08:20:07 1 0.67 0.00 0.06 0.00 0.01 99.26 08:20:07 2 0.33 0.00 0.10 0.05 0.04 99.48 08:20:07 3 0.23 0.00 0.08 0.08 0.02 99.59 08:30:03 all 11.50 0.00 0.47 0.04 0.04 87.96 08:30:03 0 11.86 0.00 0.56 0.01 0.04 87.53 08:30:03 1 11.55 0.00 0.36 0.02 0.03 88.05 08:30:03 2 11.07 0.00 0.49 0.08 0.04 88.32 08:30:03 3 11.51 0.00 0.46 0.06 0.03 87.94 08:40:01 all 69.03 0.00 2.17 0.03 0.10 28.67 08:40:01 0 69.50 0.00 2.32 0.02 0.10 28.05 08:40:01 1 68.73 0.00 2.07 0.03 0.10 29.07 08:40:01 2 68.36 0.00 2.32 0.03 0.10 29.18 08:40:01 3 69.53 0.00 1.97 0.03 0.10 28.37 08:50:07 all 48.98 0.00 2.23 0.08 0.08 48.63 08:50:07 0 43.51 0.00 2.26 0.07 0.08 54.09 08:50:07 1 52.65 0.00 2.40 0.07 0.07 44.81 08:50:07 2 52.04 0.00 2.26 0.12 0.09 45.49 08:50:07 3 47.71 0.00 1.99 0.08 0.08 50.14 Average: all 32.39 0.00 1.23 0.05 0.06 66.27 Average: 0 31.16 0.00 1.29 0.02 0.06 67.46 Average: 1 33.30 0.00 1.22 0.03 0.05 65.39 Average: 2 32.91 0.00 1.29 0.07 0.07 65.66 Average: 3 32.19 0.00 1.12 0.06 0.06 66.56