---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28343 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 13G 65G 17% / 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 648 8098 4 7242 14998 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:7d:f6:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83771sec preferred_lft 83771sec inet6 fe80::f816:3eff:fe7d:f65a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:79:48:4a:39:6a 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-28343) 06/18/26 _x86_64_ (4 CPU) 11:41:51 LINUX RESTART (4 CPU) 11:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:14 21.40 0.03 18.95 2.42 0.56 1996.09 11710.30 12:10:18 45.89 0.03 28.90 16.96 0.60 4456.77 252853.22 12:20:18 10.84 0.02 9.52 1.30 0.55 6235.07 52707.31 Average: 26.09 0.03 19.14 6.92 0.57 4234.13 106229.85 11:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:14 9347732 13306360 2649376 16.18 149368 3910604 2639108 15.15 862076 5746088 25332 12:10:18 7567344 12549204 3401740 20.78 169044 4868972 3274664 18.80 1148880 7192332 1768 12:20:18 8320436 15371916 573256 3.50 187940 6853268 1105552 6.35 1900652 5607928 333704 Average: 8411837 13742493 2208124 13.49 168784 5210948 2339775 13.43 1303869 6182116 120268 11:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:14 lo 1373.99 1373.99 1304.11 1304.11 0.00 0.00 0.00 0.00 12:00:14 ens3 35.82 29.81 21.42 10.21 0.00 0.00 0.00 0.00 12:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:18 lo 1304.49 1304.49 1239.60 1239.60 0.00 0.00 0.00 0.00 12:10:18 ens3 48.03 35.21 28.93 11.52 0.00 0.00 0.00 0.00 12:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:18 lo 2565.10 2565.10 9296.07 9296.07 0.00 0.00 0.00 0.00 12:20:18 ens3 24.73 20.50 126.67 4.71 0.00 0.00 0.00 0.00 12:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1747.72 1747.72 3946.47 3946.47 0.00 0.00 0.00 0.00 Average: ens3 36.22 28.52 59.02 8.81 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-28343) 06/18/26 _x86_64_ (4 CPU) 11:41:51 LINUX RESTART (4 CPU) 11:50:18 CPU %user %nice %system %iowait %steal %idle 12:00:14 all 61.94 0.00 2.15 1.87 0.11 33.93 12:00:14 0 63.24 0.00 2.25 2.48 0.12 31.91 12:00:14 1 59.87 0.00 2.47 1.61 0.11 35.94 12:00:14 2 63.23 0.00 2.13 2.16 0.12 32.36 12:00:14 3 61.41 0.00 1.74 1.24 0.11 35.50 12:10:18 all 61.46 0.00 2.45 0.15 0.11 35.83 12:10:18 0 62.86 0.00 2.40 0.06 0.11 34.56 12:10:18 1 59.77 0.00 2.50 0.28 0.11 37.34 12:10:18 2 63.28 0.00 2.44 0.12 0.11 34.04 12:10:18 3 59.92 0.00 2.45 0.14 0.11 37.38 12:20:18 all 32.88 0.00 1.30 0.13 0.08 65.61 12:20:18 0 28.00 0.00 1.53 0.07 0.08 70.33 12:20:18 1 36.07 0.00 1.00 0.04 0.08 62.82 12:20:18 2 31.26 0.00 1.29 0.25 0.09 67.11 12:20:18 3 36.17 0.00 1.39 0.18 0.08 62.17 Average: all 52.08 0.00 1.97 0.72 0.10 45.14 Average: 0 51.35 0.00 2.06 0.86 0.10 45.63 Average: 1 51.89 0.00 1.99 0.64 0.10 45.38 Average: 2 52.58 0.00 1.96 0.84 0.10 44.52 Average: 3 52.49 0.00 1.86 0.52 0.10 45.03