---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36947 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: 5599.99 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 674 8189 4 7125 14972 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:f6:38:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83744sec preferred_lft 83744sec inet6 fe80::f816:3eff:fef6:3888/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:b2:61:76:c6:04 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-36947) 07/18/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:19 24.41 0.44 21.15 2.82 19.38 2276.58 6442.50 19:30:01 35.14 0.01 31.38 3.76 0.12 2697.49 18310.43 19:40:28 8.07 0.03 7.80 0.24 0.38 7023.35 1567.87 Average: 22.19 0.16 19.81 2.23 6.61 4057.38 8565.23 19:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:19 9302240 13075588 2880092 17.59 145840 3735136 3026896 17.37 735092 5918708 28552 19:30:01 8435772 12668256 3284460 20.06 166432 4142236 3486532 20.01 859932 6635736 56912 19:40:28 6412428 12883260 3062480 18.70 186440 6287836 3146516 18.06 1677600 7758436 188168 Average: 8050147 12875701 3075677 18.78 166237 4721736 3219981 18.48 1090875 6770960 91211 19:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:19 lo 1399.17 1399.17 1327.22 1327.22 0.00 0.00 0.00 0.00 19:20:19 ens3 55.84 45.17 75.33 14.35 0.00 0.00 0.00 0.00 19:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1470.03 1470.03 1399.42 1399.42 0.00 0.00 0.00 0.00 19:30:01 ens3 46.49 36.68 28.51 13.19 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:28 lo 2476.36 2476.36 8886.07 8886.07 0.00 0.00 0.00 0.00 19:40:28 ens3 25.21 19.42 90.48 5.33 0.00 0.00 0.00 0.00 19:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1795.37 1795.37 3970.87 3970.87 0.00 0.00 0.00 0.00 Average: ens3 42.22 33.52 65.54 10.85 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-36947) 07/18/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:17 CPU %user %nice %system %iowait %steal %idle 19:20:19 all 65.14 0.00 2.26 0.07 0.09 32.44 19:20:19 0 64.12 0.00 2.40 0.09 0.09 33.30 19:20:19 1 66.52 0.00 2.33 0.08 0.09 30.98 19:20:19 2 64.89 0.00 2.24 0.06 0.09 32.71 19:20:19 3 65.04 0.00 2.09 0.04 0.09 32.75 19:30:01 all 63.46 0.00 2.65 0.08 0.09 33.71 19:30:01 0 62.91 0.00 2.52 0.05 0.09 34.43 19:30:01 1 63.56 0.00 2.67 0.07 0.09 33.61 19:30:01 2 61.50 0.00 2.61 0.11 0.09 35.70 19:30:01 3 65.89 0.00 2.81 0.11 0.09 31.09 19:40:28 all 30.70 0.00 1.25 0.09 0.08 67.88 19:40:28 0 29.92 0.00 0.83 0.27 0.08 68.89 19:40:28 1 33.43 0.00 1.21 0.01 0.07 65.28 19:40:28 2 26.46 0.00 1.24 0.05 0.08 72.18 19:40:28 3 32.98 0.00 1.72 0.05 0.08 65.17 Average: all 52.64 0.00 2.04 0.08 0.09 45.15 Average: 0 51.86 0.00 1.89 0.14 0.09 46.02 Average: 1 54.08 0.00 2.05 0.05 0.09 43.74 Average: 2 50.44 0.00 2.01 0.07 0.09 47.39 Average: 3 54.18 0.00 2.19 0.06 0.09 43.47