---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8122 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 11G 67G 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 643 10259 4 5086 15003 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:7f:3b:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84702sec preferred_lft 84702sec inet6 fe80::f816:3eff:fe7f:3b66/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:b1:cd:2a:d6:b6 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-8122) 08/10/26 _x86_64_ (4 CPU) 10:16:47 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:05 11.80 1.93 9.27 0.60 146.84 2909.16 4519.97 10:40:05 3.79 0.20 3.43 0.15 6.40 452.49 23.60 Average: 7.81 1.07 6.36 0.37 76.86 1685.11 2279.63 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:05 9070276 12380128 3581748 21.88 119484 3342360 3787064 21.74 517700 6431132 188 10:40:05 10226024 13687892 2273196 13.88 124932 3476592 2440136 14.01 554364 5227000 27836 Average: 9648150 13034010 2927472 17.88 122208 3409476 3113600 17.87 536032 5829066 14012 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:05 lo 0.71 0.71 0.38 0.38 0.00 0.00 0.00 0.00 10:30:05 ens3 56.47 42.03 717.16 5.43 0.00 0.00 0.00 0.00 10:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:05 lo 0.46 0.46 0.03 0.03 0.00 0.00 0.00 0.00 10:40:05 ens3 8.84 7.05 43.12 1.72 0.00 0.00 0.00 0.00 10:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.58 0.58 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 32.74 24.60 381.32 3.58 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-8122) 08/10/26 _x86_64_ (4 CPU) 10:16:47 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:05 all 51.49 0.00 1.03 0.05 0.09 47.33 10:30:05 0 57.75 0.00 1.01 0.05 0.09 41.09 10:30:05 1 58.64 0.00 1.12 0.04 0.10 40.10 10:30:05 2 45.15 0.00 1.07 0.07 0.09 53.62 10:30:05 3 44.41 0.00 0.92 0.05 0.09 54.53 10:40:05 all 49.50 0.00 0.76 0.18 0.08 49.48 10:40:05 0 54.38 0.00 0.54 0.01 0.09 44.98 10:40:05 1 59.53 0.00 0.93 0.02 0.08 39.43 10:40:05 2 44.50 0.00 0.77 0.61 0.08 54.04 10:40:05 3 39.63 0.00 0.79 0.08 0.07 59.43 Average: all 50.50 0.00 0.90 0.12 0.09 48.40 Average: 0 56.07 0.00 0.78 0.03 0.09 43.03 Average: 1 59.08 0.00 1.03 0.03 0.09 39.77 Average: 2 44.82 0.00 0.92 0.34 0.08 53.83 Average: 3 42.03 0.00 0.86 0.06 0.08 56.97