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Figure 1. Where the microseconds live: from the rack, through the market feed, to Java code.
I’ve spent a decade helping banks, exchanges, and trading firms make Java fast enough to trade with, often down to a few tens of microseconds wire-to-wire. What that taught me: high-frequency trading isn’t a different discipline from yours. It’s the sam...
The CPU caches virtual-to-physical address mappings in the Translation Lookaside Buffer (TLB). When a mapping is not in the cache, the CPU takes a TLB miss and spends cycles looking it up. With normal pages, one TLB entry covers 4 KB. With huge pages, one entry covers 2 MB, or 512 ...
October was a rough month for maintaining maximum security in enterprise application runtimes.
On October 21, the PHP project shipped emergency fixes for two critical remote code execution (RCE) flaws in the interpreter itself. One project, one set of releases, one answer to the question “am I patched?”
Java’s week looked different. The scheduled October...
First published on InfoWorld, Oct 5, 2026
Every September, with metronomic regularity, we have a new version of the Java platform. One small point about timing is that the first release candidate of JDK 27 was delayed b...
The browser was patched in 3 hours. Is your Java estate patched?
On Friday evening, October 17, a researcher proved they controlled the private keys of eight eMudhra intermediate certificate authorities by signing the same short message with each one: “We have a problem here.”
Mozilla received the report at 20:06 UTC and had Fir...