---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37342 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 12G 67G 15% / 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 731 9413 4 5845 14915 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:df:92:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84378sec preferred_lft 84378sec inet6 fe80::f816:3eff:fedf:9285/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:ca:f6:af:48:96 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-37342) 08/13/26 _x86_64_ (4 CPU) 15:47:19 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:07 30.29 3.70 24.60 1.98 386.81 6287.83 7238.88 16:10:06 33.38 0.04 29.73 3.61 1.19 3243.17 24966.02 16:20:07 17.70 0.15 15.18 2.37 10.56 5772.44 2313.01 Average: 27.13 1.31 23.17 2.65 133.62 5105.84 11483.03 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:07 8886164 12876792 3079236 18.81 154284 3919396 3360992 19.29 766352 6296700 160304 16:10:06 8337412 12741376 3210312 19.61 186252 4259492 3399212 19.51 911128 6612324 13300 16:20:07 9642620 15270352 675368 4.12 207484 5394204 1169792 6.71 992568 5166832 13876 Average: 8955399 13629507 2321639 14.18 182673 4524364 2643332 15.17 890016 6025285 62493 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:07 lo 553.17 553.17 526.59 526.59 0.00 0.00 0.00 0.00 16:00:07 ens3 124.17 97.53 983.70 19.32 0.00 0.00 0.00 0.00 16:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:06 lo 1727.85 1727.85 1647.71 1647.71 0.00 0.00 0.00 0.00 16:10:06 ens3 44.61 35.93 137.97 10.57 0.00 0.00 0.00 0.00 16:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:07 lo 11.88 11.88 1.23 1.23 0.00 0.00 0.00 0.00 16:20:07 ens3 84.62 77.83 127.13 229.47 0.00 0.00 0.00 0.00 16:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 762.90 762.90 723.84 723.84 0.00 0.00 0.00 0.00 Average: ens3 84.61 70.53 417.96 86.35 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-37342) 08/13/26 _x86_64_ (4 CPU) 15:47:19 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:07 all 51.14 0.00 1.92 0.13 0.09 46.71 16:00:07 0 52.97 0.00 1.74 0.11 0.09 45.09 16:00:07 1 52.04 0.00 1.99 0.10 0.10 45.78 16:00:07 2 52.65 0.00 2.19 0.22 0.09 44.85 16:00:07 3 46.90 0.00 1.77 0.09 0.09 51.15 16:10:06 all 58.76 0.00 2.58 0.86 0.11 37.68 16:10:06 0 59.07 0.00 2.52 1.93 0.11 36.37 16:10:06 1 59.20 0.00 2.21 0.64 0.11 37.85 16:10:06 2 57.68 0.00 2.95 0.31 0.11 38.96 16:10:06 3 59.09 0.00 2.67 0.57 0.11 37.56 16:20:07 all 43.38 0.00 1.52 0.12 0.09 54.89 16:20:07 0 39.11 0.00 1.19 0.07 0.08 59.55 16:20:07 1 47.81 0.00 1.83 0.22 0.09 50.06 16:20:07 2 44.75 0.00 1.58 0.18 0.09 53.40 16:20:07 3 41.84 0.00 1.49 0.03 0.09 56.55 Average: all 51.08 0.00 2.01 0.37 0.10 46.45 Average: 0 50.37 0.00 1.81 0.70 0.09 47.02 Average: 1 53.00 0.00 2.01 0.32 0.10 44.57 Average: 2 51.68 0.00 2.24 0.23 0.10 45.74 Average: 3 49.25 0.00 1.98 0.23 0.10 48.45