---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14288 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 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 671 8372 4 6945 14974 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:a6:3f:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84166sec preferred_lft 84166sec inet6 fe80::f816:3eff:fea6:3f0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:4a:2c:a9:5e:79 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-14288) 05/14/26 _x86_64_ (4 CPU) 05:35:08 LINUX RESTART (4 CPU) 05:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:50:06 24.75 0.11 21.81 2.84 8.82 2384.97 13062.76 06:00:10 33.56 0.04 30.09 3.44 0.85 4573.51 20597.06 06:10:10 11.24 0.30 9.66 1.28 11.55 7414.23 1373.00 Average: 23.21 0.15 20.54 2.52 7.05 4796.16 11695.69 05:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:50:06 9030476 12842860 3113824 19.02 144864 3772616 3276436 18.81 745508 6190560 184812 06:00:10 7863496 12535580 3416888 20.87 165052 4573536 3358232 19.28 1003640 7055764 2520 06:10:10 8616052 15363164 582288 3.56 184212 6562644 1115968 6.41 1756740 5446864 4 Average: 8503341 13580535 2371000 14.48 164709 4969599 2583545 14.83 1168629 6231063 62445 05:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:50:06 lo 1482.84 1482.84 1406.92 1406.92 0.00 0.00 0.00 0.00 05:50:06 ens3 41.63 34.70 47.50 12.41 0.00 0.00 0.00 0.00 05:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:10 lo 1351.03 1351.03 1286.13 1286.13 0.00 0.00 0.00 0.00 06:00:10 ens3 40.72 31.92 30.68 13.25 0.00 0.00 0.00 0.00 06:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:10 lo 2462.80 2462.80 9290.44 9290.44 0.00 0.00 0.00 0.00 06:10:10 ens3 65.33 78.22 138.97 1146.02 0.00 0.00 0.00 0.00 06:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1765.24 1765.24 3994.21 3994.21 0.00 0.00 0.00 0.00 Average: ens3 49.23 48.28 72.34 390.56 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-14288) 05/14/26 _x86_64_ (4 CPU) 05:35:08 LINUX RESTART (4 CPU) 05:40:10 CPU %user %nice %system %iowait %steal %idle 05:50:06 all 64.93 0.00 2.36 0.06 0.12 32.53 05:50:06 0 63.16 0.00 2.14 0.09 0.12 34.49 05:50:06 1 64.30 0.00 2.20 0.04 0.11 33.35 05:50:06 2 65.68 0.00 2.56 0.05 0.12 31.59 05:50:06 3 66.59 0.00 2.56 0.07 0.11 30.67 06:00:10 all 61.91 0.00 2.58 0.17 0.13 35.21 06:00:10 0 64.08 0.00 2.69 0.35 0.13 32.75 06:00:10 1 60.49 0.00 2.74 0.18 0.13 36.46 06:00:10 2 59.56 0.00 2.49 0.09 0.13 37.74 06:00:10 3 63.49 0.00 2.39 0.08 0.13 33.91 06:10:10 all 34.73 0.00 1.32 0.31 0.10 63.54 06:10:10 0 36.98 0.00 1.11 0.46 0.10 61.36 06:10:10 1 35.03 0.00 1.31 0.16 0.09 63.41 06:10:10 2 28.31 0.00 1.64 0.02 0.10 69.94 06:10:10 3 38.61 0.00 1.23 0.61 0.10 59.46 Average: all 53.83 0.00 2.09 0.18 0.11 43.79 Average: 0 54.73 0.00 1.98 0.30 0.11 42.88 Average: 1 53.24 0.00 2.08 0.12 0.11 44.44 Average: 2 51.14 0.00 2.23 0.05 0.12 46.46 Average: 3 56.21 0.00 2.06 0.25 0.11 41.37