---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1169 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 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 660 10507 4 4821 14986 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:2e:7e:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83989sec preferred_lft 83989sec inet6 fe80::f816:3eff:fe2e:7e07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:b4:c4:d7:d9:b0 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-1169) 08/01/26 _x86_64_ (4 CPU) 10:30:23 LINUX RESTART (4 CPU) 10:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 9.55 1.92 7.28 0.36 124.07 1939.99 1076.27 11:00:01 9.89 0.46 8.36 1.07 18.04 2038.89 2812.59 11:10:01 28.38 0.58 23.49 4.30 24.40 3596.93 5484.91 Average: 15.94 0.99 13.04 1.91 55.50 2525.27 3124.59 10:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 10637036 13766208 2195900 13.41 120996 3150992 2584312 14.83 512848 4868648 57204 11:00:01 9916568 13608992 2347644 14.34 149572 3629040 2842664 16.32 660848 5378376 24400 11:10:01 10808536 15388804 561808 3.43 175608 4435180 1089820 6.26 910208 4156824 11676 Average: 10454047 14254668 1701784 10.39 148725 3738404 2172265 12.47 694635 4801283 31093 10:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 10:50:01 ens3 72.04 59.55 702.68 10.95 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 11:00:01 ens3 53.79 47.14 51.81 16.83 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 1820.62 1820.62 1723.10 1723.10 0.00 0.00 0.00 0.00 11:10:01 ens3 124.09 106.29 420.79 190.16 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 607.53 607.53 574.43 574.43 0.00 0.00 0.00 0.00 Average: ens3 83.31 70.99 391.76 72.65 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-1169) 08/01/26 _x86_64_ (4 CPU) 10:30:23 LINUX RESTART (4 CPU) 10:40:01 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 29.89 0.00 1.01 0.03 0.05 69.02 10:50:01 0 29.29 0.00 0.93 0.04 0.05 69.69 10:50:01 1 30.65 0.00 0.99 0.04 0.05 68.26 10:50:01 2 30.95 0.00 1.10 0.02 0.05 67.88 10:50:01 3 28.66 0.00 1.02 0.04 0.05 70.23 11:00:01 all 71.63 0.00 2.43 0.03 0.10 25.82 11:00:01 0 71.62 0.00 2.31 0.03 0.10 25.95 11:00:01 1 72.77 0.00 2.71 0.03 0.10 24.40 11:00:01 2 71.84 0.00 2.35 0.03 0.10 25.68 11:00:01 3 70.29 0.00 2.34 0.02 0.10 27.25 11:10:01 all 39.84 0.00 2.12 0.07 0.07 57.89 11:10:01 0 33.65 0.00 2.13 0.09 0.07 64.06 11:10:01 1 45.06 0.00 1.83 0.03 0.08 53.00 11:10:01 2 42.76 0.00 2.75 0.05 0.08 54.36 11:10:01 3 37.91 0.00 1.78 0.12 0.08 60.11 Average: all 47.11 0.00 1.85 0.04 0.07 50.92 Average: 0 44.84 0.00 1.79 0.05 0.07 53.24 Average: 1 49.48 0.00 1.84 0.03 0.08 48.56 Average: 2 48.50 0.00 2.07 0.03 0.07 49.33 Average: 3 45.60 0.00 1.71 0.06 0.08 52.55