---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24365 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 12G 66G 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 699 8994 4 6295 14947 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:98:36:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84319sec preferred_lft 84319sec inet6 fe80::f816:3eff:fe98:3675/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:4a:54:99:48:15 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-24365) 06/05/26 _x86_64_ (4 CPU) 11:51:43 LINUX RESTART (4 CPU) 12:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:00 8.29 0.01 7.06 1.22 0.22 550.13 16848.54 12:20:01 37.64 0.31 31.93 5.40 8.87 8201.77 27096.96 Average: 23.14 0.17 19.64 3.34 4.60 4421.70 22034.03 12:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:00 9449808 13023668 2934724 17.92 133432 3550820 3219084 18.48 689404 5824184 47912 12:20:01 9606260 15338128 609528 3.72 172520 5568392 1111204 6.38 1567508 4672920 26080 Average: 9528034 14180898 1772126 10.82 152976 4559606 2165144 12.43 1128456 5248552 36996 12:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:00 lo 58.75 58.75 14.78 14.78 0.00 0.00 0.00 0.00 12:10:00 ens3 9.25 6.09 4.90 2.09 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 2520.57 2520.57 2424.02 2424.02 0.00 0.00 0.00 0.00 12:20:01 ens3 88.40 64.89 469.40 16.79 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1304.38 1304.38 1233.80 1233.80 0.00 0.00 0.00 0.00 Average: ens3 49.30 35.84 239.93 9.53 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-24365) 06/05/26 _x86_64_ (4 CPU) 11:51:43 LINUX RESTART (4 CPU) 12:00:14 CPU %user %nice %system %iowait %steal %idle 12:10:00 all 15.88 0.00 0.78 0.07 0.09 83.18 12:10:00 0 16.31 0.00 0.89 0.07 0.09 82.64 12:10:00 1 15.23 0.00 0.71 0.02 0.09 83.96 12:10:00 2 15.28 0.00 0.71 0.14 0.09 83.79 12:10:00 3 16.72 0.00 0.80 0.07 0.09 82.32 12:20:01 all 49.58 0.00 2.71 2.06 0.09 45.56 12:20:01 0 51.21 0.00 2.80 0.63 0.09 45.26 12:20:01 1 47.29 0.00 2.73 0.71 0.09 49.17 12:20:01 2 49.72 0.00 2.74 5.59 0.10 41.85 12:20:01 3 50.08 0.00 2.58 1.31 0.09 45.94 Average: all 32.92 0.00 1.76 1.08 0.09 64.15 Average: 0 33.97 0.00 1.86 0.35 0.09 63.73 Average: 1 31.44 0.00 1.73 0.37 0.09 66.37 Average: 2 32.69 0.00 1.74 2.90 0.09 62.59 Average: 3 33.59 0.00 1.70 0.70 0.09 63.92