---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26439 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 66G 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 685 9203 4 6101 14961 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:09:e2:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84376sec preferred_lft 84376sec inet6 fe80::f816:3eff:fe09:e2c2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:82:4c:10:09:3e 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-26439) 06/10/26 _x86_64_ (4 CPU) 12:18:24 LINUX RESTART (4 CPU) 12:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:02 36.32 3.65 29.45 3.22 388.84 5409.90 36672.84 12:40:16 9.72 0.01 8.27 1.44 0.05 658.56 26448.84 12:50:01 37.72 0.60 32.35 4.77 20.50 8307.22 8449.81 Average: 27.70 1.42 23.16 3.12 136.46 4730.05 24011.82 12:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:02 9561164 13139516 2819092 17.22 127704 3571508 3280508 18.83 722148 5688080 2772 12:40:16 9686192 13430280 2527132 15.43 139044 3711136 2848212 16.35 758476 5520196 9288 12:50:01 9468744 15358480 587584 3.59 175076 5719856 1103560 6.33 1624504 4722420 276 Average: 9572033 13976092 1977936 12.08 147275 4334167 2410760 13.84 1035043 5310232 4112 12:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:02 lo 8.68 8.68 1.95 1.95 0.00 0.00 0.00 0.00 12:30:02 ens3 105.74 78.90 811.90 14.54 0.00 0.00 0.00 0.00 12:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:16 lo 57.34 57.34 14.38 14.38 0.00 0.00 0.00 0.00 12:40:16 ens3 8.13 6.34 4.61 1.93 0.00 0.00 0.00 0.00 12:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 lo 2477.19 2477.19 2383.75 2383.75 0.00 0.00 0.00 0.00 12:50:01 ens3 110.36 98.42 495.85 591.76 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 827.51 827.51 780.23 780.23 0.00 0.00 0.00 0.00 Average: ens3 73.93 60.49 433.70 197.83 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-26439) 06/10/26 _x86_64_ (4 CPU) 12:18:24 LINUX RESTART (4 CPU) 12:20:01 CPU %user %nice %system %iowait %steal %idle 12:30:02 all 32.99 0.00 1.32 0.53 0.08 65.08 12:30:02 0 31.84 0.00 1.28 0.30 0.08 66.50 12:30:02 1 32.35 0.00 1.63 0.86 0.08 65.07 12:30:02 2 32.83 0.00 1.14 0.19 0.08 65.76 12:30:02 3 34.94 0.00 1.22 0.75 0.08 63.01 12:40:16 all 16.62 0.00 0.88 0.06 0.08 82.37 12:40:16 0 15.99 0.00 0.83 0.04 0.08 83.07 12:40:16 1 16.42 0.00 0.81 0.10 0.08 82.58 12:40:16 2 16.41 0.00 0.93 0.03 0.08 82.55 12:40:16 3 17.64 0.00 0.93 0.06 0.08 81.29 12:50:01 all 51.97 0.00 2.73 0.18 0.10 45.03 12:50:01 0 53.61 0.00 2.55 0.11 0.10 43.63 12:50:01 1 50.85 0.00 2.50 0.36 0.10 46.19 12:50:01 2 50.18 0.00 2.70 0.13 0.10 46.89 12:50:01 3 53.21 0.00 3.17 0.12 0.10 43.40 Average: all 33.56 0.00 1.63 0.25 0.09 64.48 Average: 0 33.50 0.00 1.54 0.15 0.09 64.73 Average: 1 32.91 0.00 1.63 0.44 0.09 64.92 Average: 2 32.86 0.00 1.58 0.11 0.09 65.36 Average: 3 34.96 0.00 1.75 0.31 0.09 62.89