---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23933 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 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 680 10505 4 4803 14966 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:21:1c:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83046sec preferred_lft 83046sec inet6 fe80::f816:3eff:fe21:1c8d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:cd:d3:b3:c5:50 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-23933) 06/05/26 _x86_64_ (4 CPU) 09:10:46 LINUX RESTART (4 CPU) 09:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:18 2.04 0.00 2.03 0.00 0.04 32.70 0.13 09:40:06 1.70 0.00 1.70 0.00 0.00 27.13 0.16 09:50:36 13.53 1.83 10.87 0.83 118.25 2663.95 1294.69 10:00:12 28.50 0.81 24.18 3.51 29.17 4271.77 4802.11 Average: 11.28 0.67 9.55 1.06 37.83 1730.67 1485.26 09:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:18 13049408 15509872 465896 2.85 98028 2552684 991512 5.69 335184 2653800 272 09:40:06 13037104 15498872 476860 2.91 99004 2552624 1006512 5.78 336188 2692300 176 09:50:36 10423536 13769904 2190108 13.38 132376 3336324 2528948 14.52 557940 5007716 28016 10:00:12 8738432 13184756 2766772 16.90 167308 4321560 3478416 19.97 858128 6285600 13776 Average: 11312120 14490851 1474909 9.01 124179 3190798 2001347 11.49 521860 4159854 10560 09:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:18 ens3 5.34 4.68 80.89 0.60 0.00 0.00 0.00 0.00 09:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:06 ens3 11.35 10.82 61.70 7.59 0.00 0.00 0.00 0.00 09:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:36 lo 1.08 1.08 0.11 0.11 0.00 0.00 0.00 0.00 09:50:36 ens3 88.01 69.93 553.05 16.76 0.00 0.00 0.00 0.00 09:50:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:12 lo 1625.23 1625.23 1549.56 1549.56 0.00 0.00 0.00 0.00 10:00:12 ens3 91.76 69.78 445.46 18.84 0.00 0.00 0.00 0.00 10:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 388.67 388.67 370.29 370.29 0.00 0.00 0.00 0.00 Average: ens3 49.02 38.75 286.49 10.88 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-23933) 06/05/26 _x86_64_ (4 CPU) 09:10:46 LINUX RESTART (4 CPU) 09:20:00 CPU %user %nice %system %iowait %steal %idle 09:30:18 all 0.26 0.00 0.05 0.05 0.01 99.63 09:30:18 0 0.79 0.00 0.05 0.05 0.02 99.10 09:30:18 1 0.04 0.00 0.02 0.08 0.01 99.84 09:30:18 2 0.16 0.00 0.09 0.05 0.01 99.69 09:30:18 3 0.05 0.00 0.03 0.00 0.01 99.91 09:40:06 all 0.21 0.00 0.04 0.10 0.01 99.64 09:40:06 0 0.12 0.00 0.02 0.02 0.01 99.83 09:40:06 1 0.26 0.00 0.05 0.00 0.02 99.67 09:40:06 2 0.22 0.00 0.08 0.05 0.02 99.62 09:40:06 3 0.22 0.00 0.01 0.33 0.01 99.43 09:50:36 all 54.95 0.00 1.81 0.72 0.10 42.41 09:50:36 0 54.69 0.00 1.59 0.29 0.10 43.35 09:50:36 1 56.19 0.00 1.94 1.08 0.11 40.67 09:50:36 2 53.69 0.00 1.74 1.10 0.10 43.37 09:50:36 3 55.24 0.00 1.98 0.44 0.11 42.24 10:00:12 all 68.30 0.00 2.85 0.21 0.13 28.51 10:00:12 0 68.36 0.00 3.30 0.20 0.13 28.01 10:00:12 1 67.40 0.00 2.68 0.28 0.13 29.51 10:00:12 2 68.00 0.00 2.96 0.17 0.13 28.74 10:00:12 3 69.44 0.00 2.46 0.19 0.13 27.78 Average: all 30.70 0.00 1.17 0.27 0.06 67.79 Average: 0 30.74 0.00 1.22 0.14 0.06 67.84 Average: 1 30.79 0.00 1.16 0.37 0.07 67.61 Average: 2 30.28 0.00 1.20 0.35 0.06 68.10 Average: 3 30.99 0.00 1.11 0.24 0.06 67.59