---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-58131 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 18G 61G 23% / 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 721 10844 3 4422 14925 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:fd:98:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80017sec preferred_lft 80017sec inet6 fe80::f816:3eff:fefd:98f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:ed:13:c0:c0:e9 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 inet6 fe80::80ed:13ff:fec0:c0e9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-58131) 03/31/26 _x86_64_ (4 CPU) 11:05:31 LINUX RESTART (4 CPU) 11:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:07 101.24 2.79 78.41 20.04 526.28 30511.52 225388.65 11:30:06 54.85 23.78 29.44 1.64 297.02 1770.12 2105.48 11:40:01 14.62 0.22 13.75 0.66 10.49 599.45 884.85 11:50:03 16.29 0.06 15.54 0.70 1.82 435.45 917.68 12:00:16 5.52 0.00 5.28 0.23 0.16 127.21 104.64 12:10:01 4.69 0.02 4.52 0.15 1.38 126.43 87.88 12:20:06 16.89 11.97 4.88 0.05 143.85 141.00 634.35 12:30:06 4.30 0.12 4.05 0.13 5.40 72.30 39.11 12:40:01 11.62 0.04 11.00 0.58 3.94 669.20 766.83 12:50:16 4.79 0.03 4.57 0.19 0.78 148.49 90.41 Average: 23.53 3.90 17.17 2.45 99.47 3479.73 23256.58 11:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:07 2332128 6895544 9031344 55.16 256108 4192732 10588052 60.78 2146876 11210464 2516 11:30:06 5050236 8414420 7519584 45.93 265232 3084248 9849228 56.53 2195836 8542148 2344 11:40:01 11138156 14611496 1326992 8.10 269740 3188632 2110004 12.11 2244744 2443532 6196 11:50:03 10291804 13812280 2125796 12.98 272860 3232648 3507072 20.13 2251664 3279752 948 12:00:16 7850380 11384124 4552612 27.81 273912 3244868 5296220 30.40 2253244 5706060 92 12:10:01 6538756 10088076 5848144 35.72 274392 3259960 6669712 38.28 2255396 7000292 508 12:20:06 11214700 14836016 1102348 6.73 280112 3316412 1875576 10.77 2299408 2296824 544 12:30:06 11654504 15295572 642796 3.93 280668 3335568 1379980 7.92 2302712 1834716 15880 12:40:01 7453672 11220076 4716196 28.80 285336 3448932 5357220 30.75 2318272 6021148 464 12:50:16 6707328 10496720 5438916 33.22 286124 3470988 6079644 34.90 2329284 6754036 480 Average: 8023166 11705432 4230473 25.84 274448 3377499 5271271 30.26 2259744 5508897 2997 11:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:07 lo 5.60 5.60 7.00 7.00 0.00 0.00 0.00 0.00 11:20:07 ens3 41.69 28.84 766.64 3.36 0.00 0.00 0.00 0.00 11:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:06 lo 46.02 46.02 23.79 23.79 0.00 0.00 0.00 0.00 11:30:06 ens3 2.06 2.02 0.46 0.41 0.00 0.00 0.00 0.00 11:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 31.55 31.55 12.34 12.34 0.00 0.00 0.00 0.00 11:40:01 ens3 1.68 1.16 0.40 0.30 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:03 lo 17.13 17.13 8.43 8.43 0.00 0.00 0.00 0.00 11:50:03 ens3 1.06 0.72 0.23 0.17 0.00 0.00 0.00 0.00 11:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:16 lo 18.00 18.00 8.97 8.97 0.00 0.00 0.00 0.00 12:00:16 ens3 1.00 0.74 0.23 0.84 0.00 0.00 0.00 0.00 12:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 22.08 22.08 8.75 8.75 0.00 0.00 0.00 0.00 12:10:01 ens3 1.03 0.56 0.22 0.60 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:06 lo 14.68 14.68 6.26 6.26 0.00 0.00 0.00 0.00 12:20:06 ens3 0.78 0.45 0.18 0.13 0.00 0.00 0.00 0.00 12:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:06 lo 17.92 17.92 10.57 10.57 0.00 0.00 0.00 0.00 12:30:06 ens3 0.86 0.57 0.23 0.15 0.00 0.00 0.00 0.00 12:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 18.39 18.39 10.15 10.15 0.00 0.00 0.00 0.00 12:40:01 ens3 1.83 1.01 0.46 0.32 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:16 lo 25.05 25.05 9.68 9.68 0.00 0.00 0.00 0.00 12:50:16 ens3 0.77 0.56 0.16 0.12 0.00 0.00 0.00 0.00 12:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.61 21.61 10.58 10.58 0.00 0.00 0.00 0.00 Average: ens3 5.30 3.68 77.45 0.64 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-16g-58131) 03/31/26 _x86_64_ (4 CPU) 11:05:31 LINUX RESTART (4 CPU) 11:10:01 CPU %user %nice %system %iowait %steal %idle 11:20:07 all 43.76 0.00 2.22 8.80 0.12 45.10 11:20:07 0 43.42 0.00 2.24 7.66 0.13 46.56 11:20:07 1 45.13 0.00 2.32 11.35 0.11 41.09 11:20:07 2 44.04 0.00 2.14 8.21 0.11 45.49 11:20:07 3 42.47 0.00 2.18 8.00 0.11 47.25 11:30:06 all 61.07 0.00 2.42 2.32 0.17 34.02 11:30:06 0 61.40 0.00 2.39 2.71 0.16 33.34 11:30:06 1 60.81 0.00 2.25 2.23 0.17 34.53 11:30:06 2 61.06 0.00 2.67 2.89 0.17 33.20 11:30:06 3 61.02 0.00 2.37 1.46 0.16 34.99 11:40:01 all 23.05 0.00 0.99 1.14 0.10 74.72 11:40:01 0 23.42 0.00 0.95 2.98 0.10 72.55 11:40:01 1 22.80 0.00 1.15 1.22 0.10 74.74 11:40:01 2 23.53 0.00 0.93 0.22 0.11 75.21 11:40:01 3 22.46 0.00 0.95 0.13 0.10 76.37 11:50:03 all 26.45 0.00 0.89 0.12 0.09 72.46 11:50:03 0 26.85 0.00 0.84 0.12 0.09 72.10 11:50:03 1 26.80 0.00 0.91 0.15 0.09 72.05 11:50:03 2 26.78 0.00 0.88 0.13 0.09 72.13 11:50:03 3 25.36 0.00 0.92 0.08 0.09 73.55 12:00:16 all 11.58 0.00 0.55 0.22 0.07 87.58 12:00:16 0 11.92 0.00 0.51 0.00 0.06 87.51 12:00:16 1 11.11 0.00 0.62 0.69 0.08 87.50 12:00:16 2 11.83 0.00 0.56 0.09 0.07 87.45 12:00:16 3 11.45 0.00 0.52 0.08 0.07 87.87 12:10:01 all 9.95 0.00 0.54 1.09 0.07 88.35 12:10:01 0 9.80 0.00 0.48 0.63 0.06 89.03 12:10:01 1 9.87 0.00 0.57 3.10 0.07 86.39 12:10:01 2 10.05 0.00 0.58 0.24 0.08 89.04 12:10:01 3 10.09 0.00 0.54 0.37 0.07 88.92 12:20:06 all 4.33 0.08 0.36 0.21 0.06 94.96 12:20:06 0 4.06 0.00 0.28 0.06 0.05 95.54 12:20:06 1 4.28 0.00 0.34 0.33 0.07 94.98 12:20:06 2 4.65 0.05 0.44 0.14 0.07 94.66 12:20:06 3 4.34 0.27 0.38 0.30 0.06 94.66 12:30:06 all 9.67 0.00 0.41 0.08 0.07 89.76 12:30:06 0 9.79 0.00 0.40 0.24 0.07 89.50 12:30:06 1 9.24 0.00 0.44 0.03 0.07 90.22 12:30:06 2 10.02 0.00 0.37 0.03 0.07 89.51 12:30:06 3 9.64 0.00 0.43 0.04 0.07 89.83 12:40:01 all 21.64 0.00 0.86 0.14 0.09 77.28 12:40:01 0 21.33 0.00 0.88 0.20 0.09 77.50 12:40:01 1 22.49 0.00 0.96 0.08 0.09 76.37 12:40:01 2 21.85 0.00 0.85 0.14 0.09 77.07 12:40:01 3 20.87 0.00 0.74 0.14 0.08 78.18 12:50:16 all 10.27 0.00 0.54 0.17 0.07 88.95 12:50:16 0 10.34 0.00 0.45 0.13 0.07 89.01 12:50:16 1 10.54 0.00 0.62 0.14 0.07 88.63 12:50:16 2 9.96 0.00 0.59 0.16 0.08 89.22 12:50:16 3 10.22 0.00 0.51 0.27 0.07 88.93 Average: all 22.13 0.01 0.98 1.43 0.09 75.37 Average: 0 22.19 0.00 0.94 1.47 0.09 75.31 Average: 1 22.26 0.00 1.02 1.93 0.09 74.71 Average: 2 22.33 0.01 1.00 1.23 0.09 75.34 Average: 3 21.74 0.03 0.95 1.09 0.09 76.11