---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28348 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 669 10497 4 4822 14977 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:40:8b:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84526sec preferred_lft 84526sec inet6 fe80::f816:3eff:fe40:8b2d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:22:92:64:ec:fa 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-28348) 06/18/26 _x86_64_ (4 CPU) 12:39:51 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:16 60.21 10.84 35.48 13.88 1485.81 8479.04 235919.88 13:00:16 10.56 0.47 8.97 1.13 18.09 2107.89 2608.69 13:10:06 29.95 0.72 25.00 4.23 23.84 3652.06 11110.04 Average: 33.83 4.09 23.25 6.49 520.48 4785.30 84949.65 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:16 11132396 14248336 1713700 10.47 121708 3138708 2047784 11.75 511712 4364612 56780 13:00:16 9808748 13507480 2448268 14.95 150828 3635268 2617604 15.03 663756 5471104 25896 13:10:06 10826424 15405532 544964 3.33 173608 4436632 1056320 6.06 906932 4116784 148 Average: 10589189 14387116 1568977 9.58 148715 3736869 1907236 10.95 694133 4650833 27608 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:16 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 12:50:16 ens3 138.52 102.35 1012.62 20.16 0.00 0.00 0.00 0.00 12:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:16 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 13:00:16 ens3 68.29 53.70 54.55 18.46 0.00 0.00 0.00 0.00 13:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:06 lo 1810.68 1810.68 1713.15 1713.15 0.00 0.00 0.00 0.00 13:10:06 ens3 122.19 107.47 420.09 191.90 0.00 0.00 0.00 0.00 13:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 592.64 592.64 560.08 560.08 0.00 0.00 0.00 0.00 Average: ens3 109.86 87.87 500.75 75.73 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-28348) 06/18/26 _x86_64_ (4 CPU) 12:39:51 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:16 all 31.05 0.00 1.43 0.91 0.07 66.53 12:50:16 0 31.26 0.00 1.31 0.35 0.07 67.01 12:50:16 1 29.71 0.00 1.26 1.77 0.07 67.19 12:50:16 2 31.12 0.00 1.63 1.00 0.07 66.18 12:50:16 3 32.13 0.00 1.54 0.51 0.07 65.75 13:00:16 all 71.85 0.00 2.28 0.11 0.12 25.63 13:00:16 0 70.31 0.00 2.54 0.14 0.12 26.89 13:00:16 1 73.88 0.00 2.36 0.16 0.13 23.48 13:00:16 2 71.40 0.00 1.92 0.07 0.11 26.51 13:00:16 3 71.83 0.00 2.32 0.09 0.13 25.63 13:10:06 all 38.71 0.00 2.05 0.71 0.08 58.45 13:10:06 0 35.38 0.00 2.34 0.31 0.08 61.89 13:10:06 1 36.32 0.00 1.84 0.61 0.08 61.15 13:10:06 2 42.68 0.00 1.96 0.42 0.08 54.85 13:10:06 3 40.47 0.00 2.04 1.50 0.09 55.90 Average: all 47.10 0.00 1.92 0.58 0.09 50.32 Average: 0 45.56 0.00 2.05 0.27 0.09 52.03 Average: 1 46.52 0.00 1.81 0.85 0.09 50.72 Average: 2 48.27 0.00 1.83 0.50 0.09 49.30 Average: 3 48.03 0.00 1.96 0.70 0.09 49.21