---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25990 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 12G 66G 16% / 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 645 8891 4 6452 15001 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:7c:8c:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84352sec preferred_lft 84352sec inet6 fe80::f816:3eff:fe7c:8cd1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:9b:8d:dc:28:d2 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-25990) 03/03/26 _x86_64_ (4 CPU) 10:37:29 LINUX RESTART (4 CPU) 10:40:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:10 35.55 15.08 18.55 1.92 298.80 3371.56 2740.02 11:00:01 26.80 0.04 23.75 3.01 0.72 2256.99 5934.39 11:10:04 29.51 0.14 26.28 3.09 6.66 9115.87 12871.07 Average: 30.62 5.06 22.88 2.68 101.54 4943.55 7218.82 10:40:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:10 9950404 13369528 2590208 15.82 130408 3415820 2732056 15.68 655468 5391860 122568 11:00:01 9227640 12953140 3002836 18.34 148964 3673704 2958968 16.98 770576 5960580 23248 11:10:04 9177000 15423476 522976 3.19 177308 6078108 976212 5.60 1635016 5010564 184 Average: 9451681 13915381 2038673 12.45 152227 4389211 2222412 12.76 1020353 5454335 48667 10:40:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:10 lo 791.41 791.41 750.80 750.80 0.00 0.00 0.00 0.00 10:50:10 ens3 120.38 94.86 1093.31 17.42 0.00 0.00 0.00 0.00 10:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 1351.30 1351.30 1282.63 1282.63 0.00 0.00 0.00 0.00 11:00:01 ens3 38.18 30.95 18.72 11.55 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:04 lo 765.09 765.09 717.66 717.66 0.00 0.00 0.00 0.00 11:10:04 ens3 100.12 106.73 161.72 1029.58 0.00 0.00 0.00 0.00 11:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 967.66 967.66 915.47 915.47 0.00 0.00 0.00 0.00 Average: ens3 86.36 77.74 423.25 357.41 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-25990) 03/03/26 _x86_64_ (4 CPU) 10:37:29 LINUX RESTART (4 CPU) 10:40:18 CPU %user %nice %system %iowait %steal %idle 10:50:10 all 35.92 0.07 1.62 0.12 0.08 62.18 10:50:10 0 35.84 0.08 1.75 0.08 0.08 62.17 10:50:10 1 35.45 0.01 1.99 0.18 0.08 62.29 10:50:10 2 35.82 0.05 1.23 0.10 0.09 62.71 10:50:10 3 36.57 0.14 1.53 0.12 0.09 61.57 11:00:01 all 64.99 0.00 2.49 0.07 0.14 32.31 11:00:01 0 65.06 0.00 2.68 0.06 0.13 32.06 11:00:01 1 65.13 0.00 2.48 0.11 0.14 32.13 11:00:01 2 65.55 0.00 2.60 0.05 0.14 31.66 11:00:01 3 64.24 0.00 2.20 0.05 0.13 33.38 11:10:04 all 44.24 0.00 1.99 0.17 0.11 53.49 11:10:04 0 44.18 0.00 1.97 0.23 0.10 53.53 11:10:04 1 43.14 0.00 1.79 0.17 0.11 54.79 11:10:04 2 41.11 0.00 1.93 0.14 0.10 56.73 11:10:04 3 48.54 0.00 2.29 0.13 0.11 48.93 Average: all 48.34 0.02 2.03 0.12 0.11 49.38 Average: 0 48.31 0.03 2.13 0.12 0.10 49.31 Average: 1 47.85 0.00 2.08 0.16 0.11 49.80 Average: 2 47.43 0.02 1.92 0.10 0.11 50.43 Average: 3 49.75 0.05 2.01 0.10 0.11 47.99