---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37390 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 12G 67G 15% / 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 697 9590 4 5701 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:95:d6:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84562sec preferred_lft 84562sec inet6 fe80::f816:3eff:fe95:d62c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:80:86:83:b9:25 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-37390) 07/20/26 _x86_64_ (4 CPU) 15:47:08 LINUX RESTART (4 CPU) 15:50:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:33 27.45 2.60 22.75 2.10 145.47 4933.64 12592.16 16:10:33 32.55 0.06 29.31 3.19 1.65 6118.31 19703.84 Average: 29.99 1.33 26.02 2.64 73.81 5523.89 16135.48 15:50:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:33 9528196 13313088 2642564 16.14 157560 3709624 2847744 16.35 715552 5708452 12280 16:10:33 7580452 12816252 3132788 19.13 185512 5059120 3262008 18.72 1025352 7255908 29256 Average: 8554324 13064670 2887676 17.64 171536 4384372 3054876 17.53 870452 6482180 20768 15:50:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:33 lo 864.87 864.87 824.03 824.03 0.00 0.00 0.00 0.00 16:00:33 ens3 101.72 79.47 800.12 17.73 0.00 0.00 0.00 0.00 16:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:33 lo 1337.37 1337.37 1274.43 1274.43 0.00 0.00 0.00 0.00 16:10:33 ens3 63.76 48.45 234.87 13.27 0.00 0.00 0.00 0.00 16:10:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1100.29 1100.29 1048.43 1048.43 0.00 0.00 0.00 0.00 Average: ens3 82.81 64.02 518.49 15.51 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-37390) 07/20/26 _x86_64_ (4 CPU) 15:47:08 LINUX RESTART (4 CPU) 15:50:29 CPU %user %nice %system %iowait %steal %idle 16:00:33 all 65.53 0.00 2.22 0.07 0.10 32.08 16:00:33 0 63.85 0.00 2.12 0.07 0.10 33.87 16:00:33 1 64.12 0.00 2.27 0.05 0.10 33.46 16:00:33 2 67.78 0.00 2.29 0.10 0.10 29.73 16:00:33 3 66.40 0.00 2.18 0.07 0.09 31.26 16:10:33 all 57.31 0.00 2.38 0.40 0.21 39.69 16:10:33 0 57.03 0.00 2.21 0.21 0.17 40.37 16:10:33 1 57.40 0.00 2.76 0.75 0.18 38.91 16:10:33 2 58.43 0.00 2.37 0.42 0.24 38.53 16:10:33 3 56.39 0.00 2.18 0.23 0.26 40.95 Average: all 61.44 0.00 2.30 0.24 0.15 35.87 Average: 0 60.45 0.00 2.16 0.14 0.13 37.11 Average: 1 60.77 0.00 2.52 0.40 0.14 36.18 Average: 2 63.12 0.00 2.33 0.26 0.17 34.12 Average: 3 61.41 0.00 2.18 0.15 0.18 36.08