---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2055 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 12G 66G 16% / 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 647 8902 4 6440 14999 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:4c:f6:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83948sec preferred_lft 83948sec inet6 fe80::f816:3eff:fe4c:f633/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:89:1c:c9:b2:ad 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 inet6 fe80::9889:1cff:fec9:b2ad/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-2055) 08/04/26 _x86_64_ (4 CPU) 10:52:58 LINUX RESTART (4 CPU) 11:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:13 37.32 0.44 31.06 5.82 14.44 4449.34 23928.35 11:20:01 46.88 0.00 38.22 8.67 0.01 3087.74 34672.81 11:30:00 30.31 1.88 26.53 1.90 318.39 5146.41 3025.91 Average: 38.12 0.78 31.90 5.44 112.20 4234.19 20430.64 11:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:13 9096272 13433944 2518076 15.38 183996 4197248 3028768 17.39 770916 6035628 116208 11:20:01 8296288 13038864 2908516 17.76 223812 4516572 3165480 18.17 892996 6655648 30920 11:30:00 9125896 15354680 586484 3.58 252780 5901892 1194488 6.86 1356736 5260320 5304 Average: 8839485 13942496 2004359 12.24 220196 4871904 2462912 14.14 1006883 5983865 50811 11:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:13 lo 2945.03 2945.03 2808.55 2808.55 0.00 0.00 0.00 0.00 11:10:13 ens3 64.96 51.20 325.85 12.53 0.00 0.00 0.00 0.00 11:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 5009.95 5009.95 4776.50 4776.50 0.00 0.00 0.00 0.00 11:20:01 ens3 37.79 31.93 11.50 10.59 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:00 lo 486.87 486.87 459.74 459.74 0.00 0.00 0.00 0.00 11:30:00 ens3 104.84 108.75 339.27 624.89 0.00 0.00 0.00 0.00 11:30:00 docker0 70.83 62.51 570.97 14.23 0.00 0.00 0.00 0.00 Average: lo 2798.70 2798.70 2667.04 2667.04 0.00 0.00 0.00 0.00 Average: ens3 69.43 64.24 226.42 218.45 0.00 0.00 0.00 0.00 Average: docker0 23.89 21.09 192.60 4.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-2055) 08/04/26 _x86_64_ (4 CPU) 10:52:58 LINUX RESTART (4 CPU) 11:00:23 CPU %user %nice %system %iowait %steal %idle 11:10:13 all 64.07 0.00 3.25 0.08 0.08 32.51 11:10:13 0 61.91 0.00 3.40 0.07 0.09 34.52 11:10:13 1 64.41 0.00 3.59 0.09 0.08 31.82 11:10:13 2 64.42 0.00 2.95 0.06 0.08 32.49 11:10:13 3 65.55 0.00 3.04 0.10 0.08 31.23 11:20:01 all 63.61 0.00 3.94 0.09 0.09 32.27 11:20:01 0 61.69 0.00 4.44 0.08 0.09 33.69 11:20:01 1 65.19 0.00 3.61 0.09 0.09 31.01 11:20:01 2 64.66 0.00 3.89 0.10 0.09 31.27 11:20:01 3 62.89 0.00 3.83 0.10 0.09 33.10 11:30:00 all 25.51 0.00 2.38 0.16 0.07 71.89 11:30:00 0 30.69 0.00 3.43 0.13 0.06 65.69 11:30:00 1 22.75 0.00 2.38 0.27 0.06 74.54 11:30:00 2 27.61 0.00 2.39 0.11 0.07 69.82 11:30:00 3 20.96 0.00 1.31 0.13 0.07 77.54 Average: all 50.89 0.00 3.18 0.11 0.08 45.74 Average: 0 51.29 0.00 3.76 0.09 0.08 44.78 Average: 1 50.59 0.00 3.19 0.15 0.08 45.99 Average: 2 52.06 0.00 3.07 0.09 0.08 44.70 Average: 3 49.61 0.00 2.72 0.11 0.08 47.49