---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39422 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 13G 65G 17% / 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 690 8251 4 7047 14956 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:14:9a:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83929sec preferred_lft 83929sec inet6 fe80::f816:3eff:fe14:9a97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:56:4f:69:0b:b2 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-39422) 07/27/26 _x86_64_ (4 CPU) 19:03:19 LINUX RESTART (4 CPU) 19:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 19.98 0.07 17.47 2.44 6.73 2058.43 4587.66 19:30:09 34.64 0.01 31.12 3.51 0.20 4554.98 13116.37 19:40:10 7.99 0.02 7.79 0.18 0.25 6187.42 1215.31 Average: 20.93 0.03 18.85 2.05 2.36 4278.88 6343.10 19:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 8158828 11879224 4078204 24.91 143256 3683552 4055272 23.28 714400 7096992 17440 19:30:09 7348996 12115024 3837608 23.44 168876 4655980 3655756 20.98 1008284 7560984 2440 19:40:10 5956364 12530328 3415980 20.86 181572 6390888 3284988 18.86 1659436 8225092 67200 Average: 7154729 12174859 3777264 23.07 164568 4910140 3665339 21.04 1127373 7627689 29027 19:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1193.69 1193.69 1131.05 1131.05 0.00 0.00 0.00 0.00 19:20:01 ens3 45.43 35.97 46.40 12.00 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:09 lo 1563.47 1563.47 1490.08 1490.08 0.00 0.00 0.00 0.00 19:30:09 ens3 46.79 37.21 26.87 13.22 0.00 0.00 0.00 0.00 19:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:10 lo 2568.85 2568.85 9288.79 9288.79 0.00 0.00 0.00 0.00 19:40:10 ens3 21.78 18.30 125.92 4.15 0.00 0.00 0.00 0.00 19:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1777.29 1777.29 3973.49 3973.49 0.00 0.00 0.00 0.00 Average: ens3 38.00 30.49 66.33 9.79 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-39422) 07/27/26 _x86_64_ (4 CPU) 19:03:19 LINUX RESTART (4 CPU) 19:10:09 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 66.05 0.00 2.09 0.04 0.09 31.72 19:20:01 0 64.88 0.00 2.15 0.03 0.09 32.84 19:20:01 1 66.09 0.00 2.29 0.07 0.09 31.45 19:20:01 2 67.29 0.00 2.03 0.04 0.09 30.55 19:20:01 3 65.94 0.00 1.90 0.03 0.09 32.04 19:30:09 all 61.37 0.00 2.53 0.12 0.09 35.90 19:30:09 0 59.81 0.00 2.18 0.10 0.08 37.83 19:30:09 1 64.10 0.00 2.76 0.08 0.09 32.98 19:30:09 2 60.78 0.00 2.79 0.17 0.08 36.18 19:30:09 3 60.79 0.00 2.38 0.14 0.09 36.60 19:40:10 all 31.32 0.00 1.20 0.10 0.08 67.30 19:40:10 0 34.74 0.00 1.26 0.05 0.08 63.87 19:40:10 1 24.75 0.00 0.79 0.03 0.09 74.34 19:40:10 2 27.48 0.00 0.76 0.25 0.08 71.43 19:40:10 3 38.32 0.00 1.98 0.07 0.08 59.55 Average: all 52.88 0.00 1.94 0.09 0.09 45.01 Average: 0 53.09 0.00 1.86 0.06 0.09 44.90 Average: 1 51.62 0.00 1.95 0.06 0.09 46.28 Average: 2 51.80 0.00 1.86 0.15 0.09 46.09 Average: 3 54.99 0.00 2.09 0.08 0.09 42.76