---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10893 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 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 699 8515 4 6775 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:67:02:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84087sec preferred_lft 84087sec inet6 fe80::f816:3eff:fe67:2be/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:6a:a2:e9:3f:ae 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-10893) 05/04/26 _x86_64_ (4 CPU) 19:03:21 LINUX RESTART (4 CPU) 19:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 23.21 0.07 20.27 2.87 6.58 2303.69 9120.92 19:30:09 34.22 0.02 30.71 3.49 0.39 2753.21 37648.27 19:40:09 28.19 0.32 12.52 15.34 12.15 8569.79 287326.46 Average: 28.59 0.14 21.22 7.24 6.35 4543.32 111452.92 19:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 9079780 12816408 3140660 19.18 144360 3705516 3098436 17.78 766716 6120952 22196 19:30:09 7808388 12602880 3349172 20.46 165924 4692988 3206324 18.40 1065272 7051704 594952 19:40:09 8749724 15327488 617736 3.77 186216 6396524 1112500 6.39 1725996 5344196 16 Average: 8545964 13582259 2369189 14.47 165500 4931676 2472420 14.19 1185995 6172284 205721 19:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1348.62 1348.62 1278.81 1278.81 0.00 0.00 0.00 0.00 19:20:01 ens3 51.71 41.27 54.95 13.72 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:09 lo 1415.17 1415.17 1348.08 1348.08 0.00 0.00 0.00 0.00 19:30:09 ens3 53.82 39.60 51.04 13.35 0.00 0.00 0.00 0.00 19:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:09 lo 2439.51 2439.51 9288.48 9288.48 0.00 0.00 0.00 0.00 19:40:09 ens3 74.92 82.58 166.69 998.28 0.00 0.00 0.00 0.00 19:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1734.57 1734.57 3970.88 3970.88 0.00 0.00 0.00 0.00 Average: ens3 60.15 54.47 90.86 341.63 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-10893) 05/04/26 _x86_64_ (4 CPU) 19:03:21 LINUX RESTART (4 CPU) 19:10:09 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 69.06 0.00 2.38 0.04 0.11 28.41 19:20:01 0 68.82 0.00 2.53 0.03 0.11 28.52 19:20:01 1 70.43 0.00 2.31 0.06 0.11 27.09 19:20:01 2 68.71 0.00 2.27 0.04 0.11 28.88 19:20:01 3 68.29 0.00 2.41 0.04 0.10 29.16 19:30:09 all 63.39 0.00 2.67 0.07 0.09 33.78 19:30:09 0 62.42 0.00 2.98 0.10 0.09 34.41 19:30:09 1 62.93 0.00 2.42 0.03 0.09 34.53 19:30:09 2 66.21 0.00 2.57 0.04 0.09 31.10 19:30:09 3 62.00 0.00 2.72 0.11 0.09 35.08 19:40:09 all 34.31 0.00 1.32 0.13 0.08 64.16 19:40:09 0 31.17 0.00 1.93 0.26 0.08 66.56 19:40:09 1 36.15 0.00 1.34 0.10 0.08 62.33 19:40:09 2 33.83 0.00 0.71 0.05 0.07 65.35 19:40:09 3 36.11 0.00 1.30 0.11 0.08 62.40 Average: all 55.56 0.00 2.12 0.08 0.09 42.15 Average: 0 54.10 0.00 2.48 0.13 0.09 43.20 Average: 1 56.47 0.00 2.02 0.06 0.09 41.35 Average: 2 56.24 0.00 1.85 0.04 0.09 41.78 Average: 3 55.43 0.00 2.14 0.09 0.09 42.25