---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32654 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 8.8G 69G 12% / 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 648 12324 4 3016 14998 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:43:2c:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82583sec preferred_lft 82583sec inet6 fe80::f816:3eff:fe43:2c25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:53:28:98:3f:d2 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-32654) 07/03/26 _x86_64_ (4 CPU) 12:42:06 LINUX RESTART (4 CPU) 12:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:01 1.20 0.01 1.19 0.00 0.04 13.72 0.15 13:10:00 1.16 0.00 1.16 0.00 0.00 13.13 0.00 13:20:12 1.22 0.00 1.22 0.00 0.01 13.69 0.00 13:30:01 14.25 0.00 1.24 13.00 0.15 14.20 247773.62 13:40:01 1.21 0.00 1.21 0.00 0.00 13.59 0.00 Average: 3.77 0.00 1.21 2.56 0.04 13.66 48740.86 12:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:01 13771380 15524352 495012 3.02 54084 1925800 1137544 6.53 193468 2170592 212 13:10:00 13771380 15524756 494472 3.02 54460 1925816 1137544 6.53 193840 2172320 8 13:20:12 13770624 15524564 494680 3.02 54856 1925956 1145736 6.58 194256 2175084 164 13:30:01 13764324 15523600 495576 3.03 55524 1930596 1145800 6.58 199656 2178004 256 13:40:01 13762312 15521944 497156 3.04 55908 1930604 1145800 6.58 200004 2177664 208 Average: 13768004 15523843 495379 3.03 54966 1927754 1142485 6.56 196245 2174733 170 12:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:01 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 13:00:01 ens3 0.40 0.10 0.09 0.04 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:00 ens3 0.40 0.15 0.11 0.07 0.00 0.00 0.00 0.00 13:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:12 ens3 0.34 0.14 0.09 0.05 0.00 0.00 0.00 0.00 13:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:01 ens3 0.46 0.49 0.05 0.54 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:40:01 ens3 0.30 0.11 0.08 0.04 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.38 0.20 0.08 0.14 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-32654) 07/03/26 _x86_64_ (4 CPU) 12:42:06 LINUX RESTART (4 CPU) 12:50:11 CPU %user %nice %system %iowait %steal %idle 13:00:01 all 0.11 0.00 0.02 0.01 0.01 99.85 13:00:01 0 0.28 0.00 0.02 0.02 0.01 99.67 13:00:01 1 0.09 0.00 0.02 0.00 0.01 99.88 13:00:01 2 0.04 0.00 0.04 0.00 0.03 99.89 13:00:01 3 0.03 0.00 0.02 0.00 0.01 99.94 13:10:00 all 0.21 0.00 0.02 0.04 0.01 99.72 13:10:00 0 0.03 0.00 0.01 0.01 0.01 99.94 13:10:00 1 0.03 0.00 0.02 0.00 0.01 99.94 13:10:00 2 0.74 0.00 0.03 0.02 0.03 99.18 13:10:00 3 0.03 0.00 0.02 0.11 0.01 99.83 13:20:12 all 0.18 0.00 0.02 0.09 0.01 99.70 13:20:12 0 0.63 0.00 0.02 0.00 0.01 99.34 13:20:12 1 0.02 0.00 0.03 0.03 0.01 99.91 13:20:12 2 0.02 0.00 0.03 0.02 0.02 99.91 13:20:12 3 0.03 0.00 0.02 0.31 0.01 99.64 13:30:01 all 0.11 0.00 0.04 0.03 0.01 99.81 13:30:01 0 0.23 0.00 0.03 0.09 0.00 99.64 13:30:01 1 0.03 0.00 0.04 0.01 0.01 99.92 13:30:01 2 0.13 0.00 0.03 0.01 0.01 99.82 13:30:01 3 0.05 0.00 0.07 0.02 0.01 99.84 13:40:01 all 0.04 0.00 0.03 0.01 0.01 99.91 13:40:01 0 0.06 0.00 0.02 0.00 0.01 99.91 13:40:01 1 0.04 0.00 0.03 0.00 0.01 99.92 13:40:01 2 0.03 0.00 0.03 0.03 0.02 99.89 13:40:01 3 0.02 0.00 0.02 0.00 0.01 99.94 Average: all 0.13 0.00 0.03 0.04 0.01 99.80 Average: 0 0.25 0.00 0.02 0.02 0.01 99.70 Average: 1 0.04 0.00 0.03 0.01 0.01 99.92 Average: 2 0.19 0.00 0.03 0.02 0.02 99.74 Average: 3 0.03 0.00 0.03 0.09 0.01 99.83