---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28929 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 10G 68G 13% / 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 713 10898 4 4377 14933 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:4f:8b:83 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 84738sec preferred_lft 84738sec inet6 fe80::f816:3eff:fe4f:8b83/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:63:34:95:8a:17 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-28929) 06/20/26 _x86_64_ (4 CPU) 20:53:23 LINUX RESTART (4 CPU) 21:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 45.56 2.59 35.73 7.23 143.47 4306.30 7729.69 21:20:02 31.38 0.30 25.84 5.24 11.72 3400.05 4413.45 Average: 38.43 1.44 30.76 6.23 77.23 3850.66 6062.37 21:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10219380 13723488 2235504 13.65 159396 3453908 2466424 14.16 583312 5169968 139700 21:20:02 11287000 15406472 546796 3.34 200888 3974352 1107312 6.36 787864 3839552 2988 Average: 10753190 14564980 1391150 8.50 180142 3714130 1786868 10.26 685588 4504760 71344 21:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 4042.80 4042.80 3855.83 3855.83 0.00 0.00 0.00 0.00 21:10:01 ens3 154.36 119.80 793.19 31.29 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:02 lo 2306.72 2306.72 2179.83 2179.83 0.00 0.00 0.00 0.00 21:20:02 ens3 143.04 132.60 131.90 185.89 0.00 0.00 0.00 0.00 21:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3169.94 3169.94 3013.18 3013.18 0.00 0.00 0.00 0.00 Average: ens3 148.67 126.23 460.71 109.02 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-28929) 06/20/26 _x86_64_ (4 CPU) 20:53:23 LINUX RESTART (4 CPU) 21:00:07 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 59.30 0.00 3.48 0.27 0.09 36.85 21:10:01 0 58.80 0.00 3.25 0.27 0.09 37.59 21:10:01 1 60.24 0.00 3.58 0.25 0.09 35.84 21:10:01 2 59.96 0.00 3.53 0.23 0.09 36.19 21:10:01 3 58.19 0.00 3.58 0.36 0.09 37.78 21:20:02 all 42.23 0.00 2.44 0.14 0.08 55.11 21:20:02 0 39.67 0.00 2.41 0.16 0.08 57.69 21:20:02 1 40.15 0.00 2.75 0.23 0.08 56.80 21:20:02 2 49.74 0.00 2.37 0.08 0.08 47.73 21:20:02 3 39.38 0.00 2.25 0.07 0.08 58.21 Average: all 50.71 0.00 2.96 0.21 0.08 46.04 Average: 0 49.16 0.00 2.82 0.21 0.08 47.72 Average: 1 50.13 0.00 3.16 0.24 0.08 46.39 Average: 2 54.81 0.00 2.94 0.16 0.09 42.00 Average: 3 48.73 0.00 2.91 0.22 0.08 48.06