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Rymvard released version 0.23 on October 4, 2026, adding SAP HANA host memory accounting, placement proposals and replication takeover checks to its data center capacity ledger. The company tested the early-access software against a simulated landscape of 200 hosts; it has not provided customer deployment results.
Rymvard released version 0.23 on October 4, adding SAP HANA memory accounting, system placement proposals and replication takeover checks to its data center capacity ledger, as described in the original analysis. The early-access release is aimed at SAP hosting providers and operations teams, but Rymvard’s reported testing used a simulated estate, not a customer deployment.
The ledger divides each HANA host’s physical memory among an operating-system reserve, memory used by HANA systems, allocated but unused capacity, capacity held for replicas from other sites, and memory still free. The default reserve is 10 percent of the first 64 GiB and 3 percent of memory above that amount, unless a host has a different reserve configured. System usage is based on its 30-day peak. If allocations exceed physical memory, the ledger shows overbooking rather than presenting negative free capacity as available.
For systems using HANA system replication, the software checks whether a secondary host could accommodate the primary system’s allocation after takeover. It can count named test or development systems as stoppable, but does not treat other customers’ production systems as available to stop. Results are reported as a fit, a fit after stopping named systems, a shortfall measured in GiB, or unknown. A replication status older than one hour or a memory figure older than 24 hours produces an unknown result. Scale-out systems are evaluated as a whole, using the weakest host pair.
Version 0.23 also proposes a host and replication-site partner for a new system and estimates memory runway by site and quarter, using planned go-lives weighted by probability. A new SAP Operations workspace highlights free HANA memory, production systems without replication, takeovers that would fail, and hosts above 90 percent utilization. Rymvard says its HANA instances are mirrored into its compute view for customer showback and lifecycle planning.
🔍 Read the full analysis: Rymvard Brings SAP HANA Memory Into The Data Center Capacity Ledger on Rymvard
Spotting HANA Memory Constraints
The release targets a specific capacity-planning problem: a data center can have room across its wider infrastructure while a particular HANA host or replication partner lacks memory for a deployment or failover. Separating overbooking, reserved replica capacity and takeover shortfalls could give operations teams a clearer view of those limits before placing a system or relying on a secondary site.
The stale-data rules matter because a passing takeover assessment is useful only if the information behind it is current. Rymvard’s approach returns unknown rather than a pass when key readings exceed its stated age thresholds. That is a cautious reporting rule, but it does not establish how frequently data is refreshed in each installation or how reliably the tool handles every environment.
Placement proposals and quarterly runway estimates could help providers compare expected demand with capacity by site. However, the release material does not establish cost savings, improved availability or other customer outcomes. Those benefits remain potential uses of the features, not results demonstrated by the supplied tests.
SAP HANA memory capacity planning tools
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Read-Only SAP Data Connections
Rymvard says its collector connects to the SAP Host Agent over HTTPS and uses four read operations: ListInstances, ListDatabases, GetDatabaseStatus and GetComputerSystem. A separate monitoring connection uses TLS and a fixed set of six SELECT queries, with a 60-second limit per system and no more than eight systems queried at once. The company says the software does not write to SAP.
Landscape information can also come from read-only connections to SAP Focused Run, ServiceNow, SAP Solution Manager through its System Landscape Directory, and SAP LaMa. Rymvard describes these as supported sources, not as tools that must all be installed together. The release presents version 0.23 as early-access software, with terms arranged directly with early-access partners rather than a published price list.
For its reported test, Rymvard used a simulated landscape of 200 HANA hosts, 161 systems and 39 replicated pairs. In that scenario, the software identified one production system without replication, a takeover short by 512 GiB, a host overbooked by 128 GiB, and a replication in an error state. The company says the screens use an illustrative estate and do not represent a customer, site or real-world outcome.
“Nothing is ever written to SAP.”
— Rymvard
data center capacity ledger software
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Customer Evidence Still Pending
Rymvard has not identified a customer deployment or supplied customer outcomes for version 0.23; its reported test results come from a simulated landscape. That means the test examples show how the company says the software behaves under the stated scenario, but do not establish performance across live customer systems, unusual configurations or changing workloads.
The release describes specific data-age limits and connection methods, but does not provide independent evaluations or explain how every possible SAP configuration is handled. It also does not state how quickly readings update in ordinary use beyond the thresholds that trigger an unknown result. Pricing and broader availability timing have not been published.
HANA system replication monitoring device
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Early-Access Partner Evaluations
The next stated step is evaluation by early-access partners, with commercial terms arranged directly with Rymvard. The company has not announced a general availability date, public pricing or a named customer deployment. Further evidence from live installations would be needed to show how the capacity checks perform across production landscapes and whether the proposed planning views lead to measurable operational outcomes.
server memory overbooking detection
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Key Questions
What does Rymvard version 0.23 add for SAP HANA?
It adds host-level memory accounting, system placement proposals, replication takeover checks and estimates of memory runway by site and quarter.
How does the software report whether a replication takeover can fit?
It reports a fit, a fit after stopping named test or development systems, a shortfall in GiB, or an unknown result. Stale replication or memory data also produces an unknown status.
Was version 0.23 tested in a customer environment?
No customer deployment is identified in the release material. Rymvard reports testing against a simulated landscape of 200 HANA hosts, 161 systems and 39 replicated pairs.
Does Rymvard write data to SAP?
Rymvard says its SAP connections are read-only and states, “Nothing is ever written to SAP.”
When will the product be generally available, and what will it cost?
Rymvard has not announced a broader availability date or public price list. It says early-access terms are arranged directly with partners.
Primary source: Rymvard · via ThorstenMeyerAI.com
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