---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1220 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 669 10494 4 4825 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:03:1b:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83884sec preferred_lft 83884sec inet6 fe80::f816:3eff:fe03:1b90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:7b:61:91:d5:d3 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-1220) 08/01/26 _x86_64_ (4 CPU) 15:47:55 LINUX RESTART (4 CPU) 15:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:00 16.03 0.05 2.55 13.43 2.41 330.65 244812.35 16:10:20 12.69 1.87 10.13 0.69 120.17 2538.50 1557.12 16:20:17 32.50 0.77 28.17 3.56 28.06 3255.34 12670.14 Average: 20.32 0.91 13.61 5.80 51.27 2053.76 84719.25 15:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:00 13037892 15509836 464960 2.84 98564 2562484 984640 5.65 342252 2653872 44 16:10:20 10779140 14079012 1881532 11.49 129832 3295760 2297820 13.19 552004 4667672 20960 16:20:17 8732240 13187540 2763948 16.88 166256 4330776 3534916 20.29 860040 6308420 314524 Average: 10849757 14258796 1703480 10.40 131551 3396340 2272459 13.04 584765 4543321 111843 15:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 16:00:00 ens3 13.36 11.23 202.33 1.27 0.00 0.00 0.00 0.00 16:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:20 lo 0.94 0.94 0.09 0.09 0.00 0.00 0.00 0.00 16:10:20 ens3 92.92 74.41 629.32 16.00 0.00 0.00 0.00 0.00 16:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:17 lo 1632.42 1632.42 1556.43 1556.43 0.00 0.00 0.00 0.00 16:20:17 ens3 109.12 76.52 420.26 20.52 0.00 0.00 0.00 0.00 16:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 539.50 539.50 514.08 514.08 0.00 0.00 0.00 0.00 Average: ens3 72.27 54.46 420.74 12.68 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-1220) 08/01/26 _x86_64_ (4 CPU) 15:47:55 LINUX RESTART (4 CPU) 15:50:10 CPU %user %nice %system %iowait %steal %idle 16:00:00 all 0.25 0.00 0.06 0.04 0.01 99.63 16:00:00 0 0.03 0.00 0.04 0.02 0.01 99.91 16:00:00 1 0.41 0.00 0.06 0.10 0.01 99.41 16:00:00 2 0.36 0.00 0.09 0.03 0.01 99.51 16:00:00 3 0.20 0.00 0.07 0.01 0.02 99.71 16:10:20 all 47.50 0.00 1.84 0.09 0.11 50.45 16:10:20 0 47.37 0.00 2.28 0.26 0.08 50.02 16:10:20 1 46.96 0.00 1.66 0.03 0.09 51.26 16:10:20 2 47.63 0.00 2.07 0.03 0.09 50.18 16:10:20 3 48.05 0.00 1.36 0.03 0.20 50.36 16:20:17 all 68.27 0.00 2.73 0.06 0.11 28.83 16:20:17 0 68.19 0.00 2.74 0.07 0.11 28.90 16:20:17 1 69.29 0.00 2.84 0.08 0.11 27.68 16:20:17 2 68.31 0.00 2.72 0.07 0.11 28.80 16:20:17 3 67.29 0.00 2.63 0.03 0.10 29.94 Average: all 38.88 0.00 1.55 0.06 0.08 59.42 Average: 0 38.73 0.00 1.70 0.12 0.07 59.39 Average: 1 39.08 0.00 1.52 0.07 0.07 59.26 Average: 2 38.98 0.00 1.64 0.04 0.07 59.27 Average: 3 38.73 0.00 1.36 0.02 0.11 59.78